--- loncom/interface/domainprefs.pm	2022/01/16 19:04:04	1.160.6.119
+++ loncom/interface/domainprefs.pm	2019/01/27 14:39:48	1.346
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.119 2022/01/16 19:04:04 raeburn Exp $
+# $Id: domainprefs.pm,v 1.346 2019/01/27 14:39:48 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -27,7 +27,7 @@
 #
 #
 ###############################################################
-##############################################################
+###############################################################
 
 =pod
 
@@ -104,8 +104,8 @@ $datatable  - HTML containing form eleme
 
 In the case of course requests, radio buttons are displayed for each institutional
 affiliate type (and also default, and _LC_adv) for each of the course types 
-(official, unofficial, community, and textbook).  In each case the radio buttons 
-allow the selection of one of four values:
+(official, unofficial, community, textbook, placement, and lti).  
+In each case the radio buttons allow the selection of one of four values:  
 
 0, approval, validate, autolimit=N (where N is blank, or a positive integer).
 which have the following effects:
@@ -170,11 +170,12 @@ use Apache::loncoursequeueadmin();
 use LONCAPA qw(:DEFAULT :match);
 use LONCAPA::Enrollment;
 use LONCAPA::lonauthcgi();
+use LONCAPA::SSL;
 use File::Copy;
 use Locale::Language;
 use DateTime::TimeZone;
 use DateTime::Locale;
-use Net::CIDR;
+use Time::HiRes qw( sleep );
 
 my $registered_cleanup;
 my $modified_urls;
@@ -218,13 +219,39 @@ sub handler {
                 'serverstatuses','requestcourses','helpsettings',
                 'coursedefaults','usersessions','loadbalancing',
                 'requestauthor','selfenrollment','inststatus',
-                'passwords','wafproxy','ipaccess'],$dom);
-    my @prefs_order = ('rolecolors','login','ipaccess','defaults','wafproxy','passwords',
-                       'quotas','autoenroll','autoupdate','autocreate','directorysrch',
-                       'contacts','usercreation','selfcreation','usermodification',
-                       'scantron','requestcourses','requestauthor','coursecategories',
+                'ltitools','ssl','trust','lti'],$dom);
+    my %encconfig =
+        &Apache::lonnet::get_dom('encconfig',['ltitools','lti'],$dom);
+    if (ref($domconfig{'ltitools'}) eq 'HASH') {
+        if (ref($encconfig{'ltitools'}) eq 'HASH') {
+            foreach my $id (keys(%{$domconfig{'ltitools'}})) {
+                if ((ref($domconfig{'ltitools'}{$id}) eq 'HASH') &&
+                    (ref($encconfig{'ltitools'}{$id}) eq 'HASH')) {
+                    foreach my $item ('key','secret') {
+                        $domconfig{'ltitools'}{$id}{$item} = $encconfig{'ltitools'}{$id}{$item};
+                    }
+                }
+            }
+        }
+    }
+    if (ref($domconfig{'lti'}) eq 'HASH') {
+        if (ref($encconfig{'lti'}) eq 'HASH') {
+            foreach my $id (keys(%{$domconfig{'lti'}})) {
+                if ((ref($domconfig{'lti'}{$id}) eq 'HASH') &&
+                    (ref($encconfig{'lti'}{$id}) eq 'HASH')) {
+                    foreach my $item ('key','secret') {
+                        $domconfig{'lti'}{$id}{$item} = $encconfig{'lti'}{$id}{$item};
+                    }
+                }
+            }
+        }
+    }
+    my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
+                       'autoupdate','autocreate','directorysrch','contacts',
+                       'usercreation','selfcreation','usermodification','scantron',
+                       'requestcourses','requestauthor','coursecategories',
                        'serverstatuses','helpsettings','coursedefaults',
-                       'selfenrollment','usersessions');
+                       'ltitools','selfenrollment','usersessions','ssl','trust','lti');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -255,10 +282,7 @@ sub handler {
                                  {col1 => 'Log-in Help',
                                   col2 => 'Value'},
                                  {col1 => 'Custom HTML in document head',
-                                  col2 => 'Value'},
-                                 {col1 => 'SSO',
-                                  col2 => 'Dual login: SSO and non-SSO options'},
-                                ],
+                                  col2 => 'Value'}],
                       print => \&print_login,
                       modify => \&modify_login,
                     },
@@ -267,36 +291,13 @@ sub handler {
                       help => 'Domain_Configuration_LangTZAuth',
                       header => [{col1 => 'Setting',
                                   col2 => 'Value'},
+                                 {col1 => 'Internal Authentication',
+                                  col2 => 'Value'},
                                  {col1 => 'Institutional user types',
                                   col2 => 'Name displayed'}],
                       print => \&print_defaults,
                       modify => \&modify_defaults,
                     },
-        'wafproxy' =>
-                    { text => 'Web Application Firewall/Reverse Proxy',
-                      help => 'Domain_Configuration_WAF_Proxy',
-                      header => [{col1 => 'Domain(s)',
-                                  col2 => 'Servers and WAF/Reverse Proxy alias(es)',
-                                 },
-                                 {col1 => 'Domain(s)',
-                                  col2 => 'WAF Configuration',}],
-                      print => \&print_wafproxy,
-                      modify => \&modify_wafproxy,
-                    },
-        'passwords' =>
-                    { text => 'Passwords (Internal authentication)',
-                      help => 'Domain_Configuration_Passwords',
-                      header => [{col1 => 'Resetting Forgotten Password',
-                                  col2 => 'Settings'},
-                                 {col1 => 'Encryption of Stored Passwords (Internal Auth)',
-                                  col2 => 'Settings'},
-                                 {col1 => 'Rules for LON-CAPA Passwords',
-                                  col2 => 'Settings'},
-                                 {col1 => 'Course Owner Changing Student Passwords',
-                                  col2 => 'Settings'}],
-                      print => \&print_passwords,
-                      modify => \&modify_passwords,
-                    },
         'quotas' => 
                     { text => 'Blogs, personal web pages, webDAV/quotas, portfolios',
                       help => 'Domain_Configuration_Quotas',
@@ -483,6 +484,14 @@ sub handler {
                   print => \&print_selfenrollment,
                   modify => \&modify_selfenrollment,
                  },
+        'privacy' => 
+                 {text   => 'User Privacy',
+                  help   => 'Domain_Configuration_User_Privacy',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                  print => \&print_privacy,
+                  modify => \&modify_privacy,
+                 },
         'usersessions' =>
                  {text  => 'User session hosting/offloading',
                   help  => 'Domain_Configuration_User_Sessions',
@@ -506,14 +515,60 @@ sub handler {
                   print => \&print_loadbalancing,
                   modify => \&modify_loadbalancing,
                  },
-         'ipaccess' =>
-                       {text => 'IP-based access control',
-                        help => 'Domain_Configuration_IP_Access',
-                        header => [{col1 => 'Setting',
-                                    col2 => 'Value'},],
-                        print  => \&print_ipaccess,
-                        modify => \&modify_ipaccess,
-                       },
+        'ltitools' => 
+                 {text => 'External Tools (LTI)',
+                  help => 'Domain_Configuration_LTI_Tools',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                  print => \&print_ltitools,
+                  modify => \&modify_ltitools,
+                 },
+        'ssl' =>
+                 {text  => 'LON-CAPA Network (SSL)',
+                  help  => 'Domain_Configuration_Network_SSL',
+                  header => [{col1 => 'Server',
+                              col2 => 'Certificate Status'},
+                             {col1 => 'Connections to other servers',
+                              col2 => 'Rules'},
+                             {col1 => 'Connections from other servers',
+                              col2 => 'Rules'},
+                             {col1 => "Replicating domain's published content",
+                              col2 => 'Rules'}],
+                  print => \&print_ssl,
+                  modify => \&modify_ssl,
+                 },
+        'trust' =>
+                 {text   => 'Trust Settings',
+                  help   => 'Domain_Configuration_Trust',
+                  header => [{col1 => "Access to this domain's content by others",
+                              col2 => 'Rules'},
+                             {col1 => "Access to other domain's content by this domain",
+                              col2 => 'Rules'},
+                             {col1 => "Enrollment in this domain's courses by others",
+                              col2 => 'Rules',},
+                             {col1 => "Co-author roles in this domain for others",
+                              col2 => 'Rules',},
+                             {col1 => "Co-author roles for this domain's users elsewhere",
+                              col2 => 'Rules',},
+                             {col1 => "Domain roles in this domain assignable to others",
+                              col2 => 'Rules'},
+                             {col1 => "Course catalog for this domain displayed elsewhere",
+                              col2 => 'Rules'},
+                             {col1 => "Requests for creation of courses in this domain by others",
+                              col2 => 'Rules'},
+                             {col1 => "Users in other domains can send messages to this domain",
+                              col2 => 'Rules'},],
+                  print => \&print_trust,
+                  modify => \&modify_trust,
+                 },
+          'lti' =>
+                 {text => 'LTI Provider',
+                  help => 'Domain_Configuration_LTI_Provider',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                  print => \&print_lti,
+                  modify => \&modify_lti,
+                 },
     );
     if (keys(%servers) > 1) {
         $prefs{'login'}  = { text   => 'Log-in page options',
@@ -525,10 +580,7 @@ sub handler {
                                        {col1 => 'Log-in Help',
                                         col2 => 'Value'},
                                        {col1 => 'Custom HTML in document head',
-                                        col2 => 'Value'},
-                                       {col1 => 'SSO',
-                                        col2 => 'Dual login: SSO and non-SSO options'},
-                                      ],
+                                        col2 => 'Value'}],
                             print => \&print_login,
                             modify => \&modify_login,
                            };
@@ -569,8 +621,6 @@ $javascript_validations
 </script>
 $coursebrowserjs
 END
-        } elsif (grep(/^ipaccess$/,@actions)) {
-            $js .= &Apache::loncommon::coursebrowser_javascript($env{'request.role.domain'});
         }
         if (grep(/^selfcreation$/,@actions)) {
             $js .= &selfcreate_javascript();
@@ -701,12 +751,14 @@ sub process_changes {
         $output = &modify_usersessions($dom,$lastactref,%domconfig);
     } elsif ($action eq 'loadbalancing') {
         $output = &modify_loadbalancing($dom,%domconfig);
-    } elsif ($action eq 'passwords') {
-        $output = &modify_passwords($r,$dom,$confname,$lastactref,%domconfig);
-    } elsif ($action eq 'wafproxy') {
-        $output = &modify_wafproxy($dom,$action,$lastactref,%domconfig);
-    } elsif ($action eq 'ipaccess') {
-        $output = &modify_ipaccess($dom,$lastactref,%domconfig);
+    } elsif ($action eq 'ltitools') {
+        $output = &modify_ltitools($r,$dom,$action,$lastactref,%domconfig);
+    } elsif ($action eq 'ssl') {
+        $output = &modify_ssl($dom,$lastactref,%domconfig);
+    } elsif ($action eq 'trust') {
+        $output = &modify_trust($dom,$lastactref,%domconfig);
+    } elsif ($action eq 'lti') {
+        $output = &modify_lti($r,$dom,$action,$lastactref,%domconfig);
     }
     return $output;
 }
@@ -719,8 +771,6 @@ sub print_config_box {
         $output = &coursecategories_javascript($settings);
     } elsif ($action eq 'defaults') {
         $output = &defaults_javascript($settings); 
-    } elsif ($action eq 'passwords') {
-        $output = &passwords_javascript();
     } elsif ($action eq 'helpsettings') {
         my (%privs,%levelscurrent);
         my %full=();
@@ -735,18 +785,12 @@ sub print_config_box {
         &Apache::lonuserutils::custom_role_privs(\%privs,\%full,\%levels,\%levelscurrent);
         my @templateroles = &Apache::lonuserutils::custom_template_roles($context,$crstype);
         $output =
-            &Apache::lonuserutils::custom_roledefs_js($context,$crstype,$formname,\%full,
+            &Apache::lonuserutils::custom_roledefs_js($context,$crstype,$formname,\%full, 
                                                       \@templateroles);
-    } elsif ($action eq 'wafproxy') {
-        $output .= &wafproxy_javascript($dom);
-    } elsif ($action eq 'autoupdate') {
-        $output .= &autoupdate_javascript();
-    } elsif ($action eq 'autoenroll') {
-        $output .= &autoenroll_javascript();
-    } elsif ($action eq 'login') {
-        $output .= &saml_javascript();
-    } elsif ($action eq 'ipaccess') {
-        $output .= &ipaccess_javascript($settings);
+    } elsif ($action eq 'ltitools') {
+        $output .= &ltitools_javascript($settings);
+    } elsif ($action eq 'lti') {
+        $output .= &lti_javascript($settings);
     }
     $output .=
          '<table class="LC_nested_outer">
@@ -763,40 +807,35 @@ sub print_config_box {
     if ($numheaders > 1) {
         my $colspan = '';
         my $rightcolspan = '';
-        my $leftnobr = '';  
         if (($action eq 'rolecolors') || ($action eq 'defaults') ||
             ($action eq 'directorysrch') ||
-            (($action eq 'login') && ($numheaders < 5))) {
+            (($action eq 'login') && ($numheaders < 4))) {
             $colspan = ' colspan="2"';
         }
         if ($action eq 'usersessions') {
             $rightcolspan = ' colspan="3"'; 
         }
-        if ($action eq 'passwords') {
-            $leftnobr = ' LC_nobreak';
-        }
         $output .= '
           <tr>
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item'.$leftnobr.'"'.$colspan.'>'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[0]->{'col1'}).'</td>
               <td class="LC_right_item"'.$rightcolspan.'>'.&mt($item->{'header'}->[0]->{'col2'}).'</td>
              </tr>';
         $rowtotal ++;
         if (($action eq 'autoupdate') || ($action eq 'usercreation') || ($action eq 'selfcreation') ||
             ($action eq 'usermodification') || ($action eq 'defaults') || ($action eq 'coursedefaults') ||
-            ($action eq 'selfenrollment') || ($action eq 'usersessions') || ($action eq 'directorysrch') ||
-            ($action eq 'helpsettings') || ($action eq 'contacts') || ($action eq 'wafproxy')) {
+            ($action eq 'selfenrollment') || ($action eq 'usersessions') || ($action eq 'ssl') ||
+            ($action eq 'directorysrch') || ($action eq 'trust') || ($action eq 'helpsettings') ||
+            ($action eq 'contacts')) {
             $output .= $item->{'print'}->('top',$dom,$settings,\$rowtotal);
-        } elsif ($action eq 'passwords') {
-            $output .= $item->{'print'}->('top',$dom,$confname,$settings,\$rowtotal);
         } elsif ($action eq 'coursecategories') {
             $output .= $item->{'print'}->('top',$dom,$item,$settings,\$rowtotal);
         } elsif ($action eq 'scantron') {
             $output .= $item->{'print'}->($r,'top',$dom,$confname,$settings,\$rowtotal);
         } elsif ($action eq 'login') {
-            if ($numheaders == 5) {
+            if ($numheaders == 4) {
                 $colspan = ' colspan="2"';
                 $output .= &print_login('service',$dom,$confname,$phase,$settings,\$rowtotal);
             } else {
@@ -821,17 +860,46 @@ sub print_config_box {
             $rowtotal ++;
         if (($action eq 'autoupdate') || ($action eq 'usercreation') ||
             ($action eq 'selfcreation') || ($action eq 'selfenrollment') ||
-            ($action eq 'usersessions') || ($action eq 'coursecategories') ||
-            ($action eq 'contacts') || ($action eq 'passwords')) {
+            ($action eq 'usersessions') || ($action eq 'coursecategories') || 
+            ($action eq 'trust') || ($action eq 'contacts') || ($action eq 'defaults')) {
             if ($action eq 'coursecategories') {
                 $output .= &print_coursecategories('middle',$dom,$item,$settings,\$rowtotal);
                 $colspan = ' colspan="2"';
-            } elsif ($action eq 'passwords') {
-                $output .= $item->{'print'}->('middle',$dom,$confname,$settings,\$rowtotal);
+            } elsif ($action eq 'trust') {
+                $output .= $item->{'print'}->('shared',$dom,$settings,\$rowtotal);
             } else {
                 $output .= $item->{'print'}->('middle',$dom,$settings,\$rowtotal);
             }
-            $output .= '
+            if ($action eq 'trust') {
+                $output .= '
+            </table>
+          </td>
+         </tr>';
+                my @trusthdrs = qw(2 3 4 5 6 7);
+                my @prefixes = qw(enroll othcoau coaurem domroles catalog reqcrs);
+                for (my $i=0; $i<@trusthdrs; $i++) {
+                    $output .= '
+         <tr>
+           <td>
+            <table class="LC_nested">
+             <tr class="LC_info_row">
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[$trusthdrs[$i]]->{'col1'}).'</td>
+              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[$trusthdrs[$i]]->{'col2'}).'</td></tr>'.
+                           $item->{'print'}->($prefixes[$i],$dom,$settings,\$rowtotal).'
+            </table>
+          </td>
+         </tr>';
+                }
+                $output .= '
+         <tr>
+           <td>
+            <table class="LC_nested">
+             <tr class="LC_info_row">
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[8]->{'col1'}).'</td>
+              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[8]->{'col2'}).'</td></tr>'.
+                           $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
+            } else {
+                $output .= '
            </table>
           </td>
          </tr>
@@ -842,15 +910,10 @@ sub print_config_box {
               <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
               <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>
              </tr>'."\n";
-            if ($action eq 'coursecategories') {
-                $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
-            } elsif (($action eq 'contacts') || ($action eq 'passwords')) {
-                if ($action eq 'passwords') {
-                    $output .= $item->{'print'}->('lower',$dom,$confname,$settings,\$rowtotal);
-                } else {
-                    $output .= $item->{'print'}->('lower',$dom,$settings,\$rowtotal);
-                }
-                $output .= '
+                if ($action eq 'coursecategories') {
+                    $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
+                } elsif ($action eq 'contacts') {
+                    $output .= $item->{'print'}->('lower',$dom,$settings,\$rowtotal).'
              </tr>
             </table>
            </td>
@@ -859,30 +922,48 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item'.$leftnobr.'"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
-              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col2'}).'</td></tr>'."\n";
-                if ($action eq 'passwords') {
-                    $output .= $item->{'print'}->('bottom',$dom,$confname,$settings,\$rowtotal);
-                } else {
-                    $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
-                }
-                $output .= '
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
+              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col2'}).'</td></tr>'.
+                           $item->{'print'}->('bottom',$dom,$settings,\$rowtotal).'
             </table>
           </td>
          </tr>
          <tr>';
-            } else {
-                $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
+                } else {
+                    $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
+                }
             }
             $rowtotal ++;
         } elsif (($action eq 'usermodification') || ($action eq 'coursedefaults') ||
                  ($action eq 'defaults') || ($action eq 'directorysrch') ||
-                 ($action eq 'helpsettings') || ($action eq 'wafproxy')) {
+                 ($action eq 'helpsettings')) {
             $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'scantron') {
             $output .= $item->{'print'}->($r,'bottom',$dom,$confname,$settings,\$rowtotal);
+        } elsif ($action eq 'ssl') {
+            $output .= $item->{'print'}->('connto',$dom,$settings,\$rowtotal).'
+            </table>
+          </td>
+         </tr>
+         <tr>
+           <td>
+            <table class="LC_nested">
+             <tr class="LC_info_row">
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
+              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col2'}).'</td></tr>'.
+                           $item->{'print'}->('connfrom',$dom,$settings,\$rowtotal).'
+            </table>
+          </td>
+         </tr>
+         <tr>
+           <td>
+            <table class="LC_nested">
+             <tr class="LC_info_row">
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
+              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col2'}).'</td></tr>'.
+                           $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'login') {
-            if ($numheaders == 5) {
+            if ($numheaders == 4) {
                 $output .= &print_login('page',$dom,$confname,$phase,$settings,\$rowtotal).'
            </table>
           </td>
@@ -906,7 +987,7 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">';
-            if ($numheaders == 5) {
+            if ($numheaders == 4) {
                 $output .= '
               <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
               <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col2'}).'</td>
@@ -918,27 +999,7 @@ sub print_config_box {
              </tr>';
             }
             $rowtotal ++;
-            $output .= &print_login('headtag',$dom,$confname,$phase,$settings,\$rowtotal).'
-           </table>
-          </td>
-         </tr>
-         <tr>
-           <td>
-            <table class="LC_nested">
-             <tr class="LC_info_row">';
-            if ($numheaders == 5) {
-                $output .= '
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[4]->{'col1'}).'</td>
-              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[4]->{'col2'}).'</td>
-             </tr>';
-            } else {
-                $output .= '
-              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
-              <td class="LC_right_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col2'}).'</td>
-             </tr>';
-            }
-            $rowtotal ++;
-            $output .= &print_login('saml',$dom,$confname,$phase,$settings,\$rowtotal);
+            $output .= &print_login('headtag',$dom,$confname,$phase,$settings,\$rowtotal);
         } elsif ($action eq 'requestcourses') {
             $output .= &print_requestmail($dom,$action,$settings,\$rowtotal);
             $rowtotal ++;
@@ -971,8 +1032,8 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.' valign="top">'.&mt($item->{'header'}->[4]->{'col1'}).'</td>
-              <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[4]->{'col2'}).'</td>
+              <td class="LC_left_item"'.$colspan.' style="vertical-align: top">'.&mt($item->{'header'}->[4]->{'col1'}).'</td>
+              <td class="LC_right_item" style="vertical-align: top">'.&mt($item->{'header'}->[4]->{'col2'}).'</td>
              </tr>'.
             &print_validation_rows('requestcourses',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'requestauthor') {
@@ -987,9 +1048,9 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.' valign="top">'.
+              <td class="LC_left_item"'.$colspan.' style="vertical-align: top">'.
                &mt($item->{'header'}->[2]->{'col1'}).'</td>
-              <td class="LC_right_item" valign="top">'.
+              <td class="LC_right_item" style="vertical-align: top">'.
                &mt($item->{'header'}->[2]->{'col2'}).'</td>
              </tr>'.
             &print_rolecolors($phase,'author',$dom,$confname,$settings,\$rowtotal).'
@@ -1017,30 +1078,30 @@ sub print_config_box {
               <td class="LC_left_item" colspan="2">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>';
         } elsif ($action eq 'serverstatuses') {
             $output .= '
-              <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[0]->{'col1'}).
+              <td class="LC_left_item" style="vertical-align: top">'.&mt($item->{'header'}->[0]->{'col1'}).
               '<br />('.&mt('Automatic access for Dom. Coords.').')</td>';
 
         } else {
             $output .= '
-              <td class="LC_left_item" valign="top">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>';
+              <td class="LC_left_item" style="vertical-align: top">'.&mt($item->{'header'}->[0]->{'col1'}).'</td>';
         }
         if (defined($item->{'header'}->[0]->{'col3'})) {
-            $output .= '<td class="LC_left_item" valign="top">'.
+            $output .= '<td class="LC_left_item" style="vertical-align: top">'.
                        &mt($item->{'header'}->[0]->{'col2'});
             if ($action eq 'serverstatuses') {
                 $output .= '<br />(<tt>'.&mt('user1:domain1,user2:domain2 etc.').'</tt>)';
             } 
         } else {
-            $output .= '<td class="LC_right_item" valign="top">'.
+            $output .= '<td class="LC_right_item" style="vertical-align: top">'.
                        &mt($item->{'header'}->[0]->{'col2'});
         }
         $output .= '</td>';
         if ($item->{'header'}->[0]->{'col3'}) {
             if (defined($item->{'header'}->[0]->{'col4'})) {
-                $output .= '<td class="LC_left_item" valign="top">'.
+                $output .= '<td class="LC_left_item" style="vertical-align: top">'.
                             &mt($item->{'header'}->[0]->{'col3'});
             } else {
-                $output .= '<td class="LC_right_item" valign="top">'.
+                $output .= '<td class="LC_right_item" style="vertical-align: top">'.
                            &mt($item->{'header'}->[0]->{'col3'});
             }
             if ($action eq 'serverstatuses') {
@@ -1049,7 +1110,7 @@ sub print_config_box {
             $output .= '</td>';
         }
         if ($item->{'header'}->[0]->{'col4'}) {
-            $output .= '<td class="LC_right_item" valign="top">'.
+            $output .= '<td class="LC_right_item" style="vertical-align: top">'.
                        &mt($item->{'header'}->[0]->{'col4'});
         }
         $output .= '</tr>';
@@ -1057,8 +1118,8 @@ sub print_config_box {
         if ($action eq 'quotas') {
             $output .= &print_quotas($dom,$settings,\$rowtotal,$action);
         } elsif (($action eq 'autoenroll') || ($action eq 'autocreate') || 
-                 ($action eq 'serverstatuses') || ($action eq 'loadbalancing') ||
-                 ($action eq 'ipaccess')) {
+                 ($action eq 'serverstatuses') || ($action eq 'loadbalancing') || 
+                 ($action eq 'ltitools') || ($action eq 'lti')) {
             $output .= $item->{'print'}->($dom,$settings,\$rowtotal);
         }
     }
@@ -1072,19 +1133,15 @@ sub print_config_box {
 
 sub print_login {
     my ($caller,$dom,$confname,$phase,$settings,$rowtotal) = @_;
-    my ($css_class,$datatable,$switchserver,%lt);
+    my ($css_class,$datatable);
     my %choices = &login_choices();
-    if (($caller eq 'help') || ($caller eq 'headtag') || ($caller eq 'saml')) {
-        %lt = &login_file_options();
-        $switchserver = &check_switchserver($dom,$confname);
-    }
 
     if ($caller eq 'service') {
         my %servers = &Apache::lonnet::internet_dom_servers($dom);
         my $choice = $choices{'disallowlogin'};
         $css_class = ' class="LC_odd_row"';
         $datatable .= '<tr'.$css_class.'><td>'.$choice.'</td>'.
-                      '<td align="right"><table><tr><th>'.$choices{'hostid'}.'</th>'.
+                      '<td style="text-align: right"><table><tr><th>'.$choices{'hostid'}.'</th>'.
                       '<th>'.$choices{'server'}.'</th>'.
                       '<th>'.$choices{'serverpath'}.'</th>'.
                       '<th>'.$choices{'custompath'}.'</th>'.
@@ -1165,7 +1222,6 @@ sub print_login {
             }
         }
         my @images = ('img','logo','domlogo','login');
-        my @alttext = ('img','logo','domlogo');
         my @logintext = ('textcol','bgcol');
         my @bgs = ('pgbg','mainbg','sidebg');
         my @links = ('link','alink','vlink');
@@ -1207,13 +1263,6 @@ sub print_login {
                     $designs{'showlogo'}{$item} = $settings->{'showlogo'}{$item};
                 }
             }
-            foreach my $item (@alttext) {
-                if (ref($settings->{'alttext'}) eq 'HASH') {
-                    if ($settings->{'alttext'}->{$item} ne '') {
-                        $designs{'alttext'}{$item} = $settings->{'alttext'}{$item};
-                    }
-                }
-            }
             foreach my $item (@logintext) {
                 if ($settings->{$item} ne '') {
                     $designs{'logintext'}{$item} = $settings->{$item};
@@ -1280,10 +1329,18 @@ sub print_login {
         $datatable .= &display_color_options($dom,$confname,$phase,'login',$itemcount,\%choices,\%is_custom,\%defaults,\%designs,\@images,\@bgs,\@links,\%alt_text,$rowtotal,\@logintext);
         $datatable .= '</tr></table></td></tr>';
     } elsif ($caller eq 'help') {
-        my ($defaulturl,$defaulttype,%url,%type,%langchoices);
+        my ($defaulturl,$defaulttype,%url,%type,%lt,%langchoices);
+        my $switchserver = &check_switchserver($dom,$confname);
         my $itemcount = 1;
         $defaulturl = '/adm/loginproblems.html';
         $defaulttype = 'default';
+        %lt = &Apache::lonlocal::texthash (
+                     del     => 'Delete?',
+                     rep     => 'Replace:',
+                     upl     => 'Upload:',
+                     default => 'Default',
+                     custom  => 'Custom',
+                                             );
         %langchoices = &Apache::lonlocal::texthash(&get_languages_hash());
         my @currlangs;
         if (ref($settings) eq 'HASH') {
@@ -1365,7 +1422,7 @@ sub print_login {
         my $choice = $choices{'headtag'};
         $css_class = ' class="LC_odd_row"';
         $datatable .= '<tr'.$css_class.'><td colspan="2">'.$choice.'</td>'.
-                      '<td align="left"><table><tr><th>'.$choices{'hostid'}.'</th>'.
+                      '<td style="text-align: left"><table><tr><th>'.$choices{'hostid'}.'</th>'.
                       '<th>'.$choices{'current'}.'</th>'.
                       '<th>'.$choices{'action'}.'</th>'.
                       '<th>'.$choices{'exempt'}.'</th></tr>'."\n";
@@ -1380,6 +1437,14 @@ sub print_login {
                 }
             }
         }
+        my %lt = &Apache::lonlocal::texthash(
+                                               del  => 'Delete?',
+                                               rep  => 'Replace:',
+                                               upl  => 'Upload:',
+                                               curr => 'View contents',
+                                               none => 'None',
+        );
+        my $switchserver = &check_switchserver($dom,$confname);
         foreach my $lonhost (sort(keys(%domservers))) {
             my $exempt = &check_exempt_addresses($currexempt{$lonhost});
             $datatable .= '<tr><td>'.$domservers{$lonhost}.'</td>';
@@ -1403,88 +1468,6 @@ sub print_login {
             $datatable .= '</td><td><input type="text" name="loginheadtagexempt_'.$lonhost.'" value="'.$exempt.'" /></td></tr>';
         }
         $datatable .= '</table></td></tr>';
-    } elsif ($caller eq 'saml') {
-        my %domservers = &Apache::lonnet::get_servers($dom);
-        $datatable .= '<tr><td colspan="3" style="text-align: left">'.
-                      '<table><tr><th>'.$choices{'hostid'}.'</th>'.
-                      '<th>'.$choices{'samllanding'}.'</th>'.
-                      '<th>'.$choices{'samloptions'}.'</th></tr>'."\n";
-        my (%saml,%samltext,%samlimg,%samlalt,%samlurl,%samltitle,%samlnotsso,%styleon,%styleoff);
-        foreach my $lonhost (keys(%domservers)) {
-            $samlurl{$lonhost} = '/adm/sso';
-            $styleon{$lonhost} = 'display:none';
-            $styleoff{$lonhost} = '';
-        }
-        if (ref($settings->{'saml'}) eq 'HASH') {
-            foreach my $lonhost (keys(%{$settings->{'saml'}})) {
-                if (ref($settings->{'saml'}{$lonhost}) eq 'HASH') {
-                    $saml{$lonhost} = 1;
-                    $samltext{$lonhost} = $settings->{'saml'}{$lonhost}{'text'};
-                    $samlimg{$lonhost} = $settings->{'saml'}{$lonhost}{'img'};
-                    $samlalt{$lonhost} = $settings->{'saml'}{$lonhost}{'alt'};
-                    $samlurl{$lonhost} = $settings->{'saml'}{$lonhost}{'url'};
-                    $samltitle{$lonhost} = $settings->{'saml'}{$lonhost}{'title'};
-                    $samlnotsso{$lonhost} = $settings->{'saml'}{$lonhost}{'notsso'};
-                    $styleon{$lonhost} = '';
-                    $styleoff{$lonhost} = 'display:none';
-                } else {
-                    $styleon{$lonhost} = 'display:none';
-                    $styleoff{$lonhost} = '';
-                }
-            }
-        }
-        my $itemcount = 1;
-        foreach my $lonhost (sort(keys(%domservers))) {
-            my $samlon = ' ';
-            my $samloff = ' checked="checked" ';
-            if ($saml{$lonhost}) {
-                $samlon = $samloff;
-                $samloff = ' ';
-            }
-            my $css_class = $itemcount%2?' class="LC_odd_row"':'';
-            $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.$domservers{$lonhost}.'</span></td>'.
-                          '<td><span class="LC_nobreak"><label><input type="radio" name="saml_'.$lonhost.'"'.$samloff.
-                          'onclick="toggleSamlOptions(this.form,'."'$lonhost'".');" value="0" />'.
-                          &mt('No').'</label>'.('&nbsp;'x2).
-                          '<label><input type="radio" name="saml_'.$lonhost.'"'.$samlon.
-                          'onclick="toggleSamlOptions(this.form,'."'$lonhost'".');" value="1" />'.
-                          &mt('Yes').'</label></span></td>'.
-                          '<td id="samloptionson_'.$lonhost.'" style="'.$styleon{$lonhost}.'" width="100%">'.
-                          '<table><tr><th colspan="5" align="center">'.&mt('SSO').'</th><th align="center">'.
-                          '<span class="LC_nobreak">'.&mt('Non-SSO').'</span></th></tr>'.
-                          '<tr><th>'.&mt('Text').'</th><th>'.&mt('Image').'</th>'.
-                          '<th>'.&mt('Alt Text').'</th><th>'.&mt('URL').'</th>'.
-                          '<th>'.&mt('Tool Tip').'</th><th>'.&mt('Text').'</th></tr>'.
-                          '<tr'.$css_class.'><td><input type="text" name="saml_text_'.$lonhost.'" size="8" value="'.
-                          $samltext{$lonhost}.'" /></td><td>';
-            if ($samlimg{$lonhost}) {
-                $datatable .= '<img src="'.$samlimg{$lonhost}.'" /><br />'.
-                              '<span class="LC_nobreak"><label>'.
-                              '<input type="checkbox" name="saml_img_del" value="'.$lonhost.'" />'.
-                              $lt{'del'}.'</label>&nbsp;'.$lt{'rep'}.'</span>';
-            } else {
-                $datatable .= $lt{'upl'};
-            }
-            $datatable .='<br />';
-            if ($switchserver) {
-                $datatable .= &mt('Upload to library server: [_1]',$switchserver);
-            } else {
-                $datatable .= '<input type="file" name="saml_img_'.$lonhost.'" />';
-            }
-            $datatable .= '</td>'.
-                          '<td><input type="text" name="saml_alt_'.$lonhost.'" size="20" '.
-                          'value="'.$samlalt{$lonhost}.'" /></td>'.
-                          '<td><input type="text" name="saml_url_'.$lonhost.'" size="8" '.
-                          'value="'.$samlurl{$lonhost}.'" /></td>'.
-                          '<td><textarea name="saml_title_'.$lonhost.'" rows="3" cols="15">'.
-                          $samltitle{$lonhost}.'</textarea></td>'.
-                          '<td><input type="text" name="saml_notsso_'.$lonhost.'" size="8" '.
-                          'value="'.$samlnotsso{$lonhost}.'" /></td></tr>'.
-                          '</table></td>'.
-                          '<td id="samloptionsoff_'.$lonhost.'" style="'.$styleoff{$lonhost}.'" width="100%">&nbsp;</td></tr>';
-           $itemcount ++;
-        }
-        $datatable .= '</table></td></tr>';
     }
     return $datatable;
 }
@@ -1521,205 +1504,10 @@ sub login_choices {
             headtag       => "Custom markup",
             action        => "Action",
             current       => "Current",
-            samllanding   => "Dual login?",
-            samloptions   => "Options",
-            alttext       => "Alt text",
         );
     return %choices;
 }
 
-sub login_file_options {
-      return &Apache::lonlocal::texthash(
-                                           del     => 'Delete?',
-                                           rep     => 'Replace:',
-                                           upl     => 'Upload:',
-                                           curr    => 'View contents',
-                                           default => 'Default',
-                                           custom  => 'Custom',
-                                           none    => 'None',
-      );
-}
-
-sub print_ipaccess {
-    my ($dom,$settings,$rowtotal) = @_;
-    my $css_class;
-    my $itemcount = 0;
-    my $datatable;
-    my %ordered;
-    if (ref($settings) eq 'HASH') {
-        foreach my $item (keys(%{$settings})) {
-            if (ref($settings->{$item}) eq 'HASH') {
-                my $num = $settings->{$item}{'order'};
-                if ($num eq '') {
-                    $num = scalar(keys(%{$settings}));
-                }
-                $ordered{$num} = $item;
-            }
-        }
-    }
-    my $maxnum = scalar(keys(%ordered));
-    if (keys(%ordered)) {
-        my @items = sort { $a <=> $b } keys(%ordered);
-        for (my $i=0; $i<@items; $i++) {
-            $css_class = $itemcount%2?' class="LC_odd_row"':'';
-            my $item = $ordered{$items[$i]};
-            my ($name,$ipranges,%commblocks,%courses);
-            if (ref($settings->{$item}) eq 'HASH') {
-                $name = $settings->{$item}->{'name'};
-                $ipranges = $settings->{$item}->{'ip'};
-                if (ref($settings->{$item}->{'commblocks'}) eq 'HASH') {
-                    %commblocks = %{$settings->{$item}->{'commblocks'}};
-                }
-                if (ref($settings->{$item}->{'courses'}) eq 'HASH') {
-                    %courses = %{$settings->{$item}->{'courses'}};
-                }
-            }
-            my $chgstr = ' onchange="javascript:reorderIPaccess(this.form,'."'ipaccess_pos_".$item."'".');"';
-            $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
-                         .'<select name="ipaccess_pos_'.$item.'"'.$chgstr.'>';
-            for (my $k=0; $k<=$maxnum; $k++) {
-                my $vpos = $k+1;
-                my $selstr;
-                if ($k == $i) {
-                    $selstr = ' selected="selected" ';
-                }
-                $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
-            }
-            $datatable .= '</select>'.('&nbsp;'x2).
-                '<label><input type="checkbox" name="ipaccess_del" value="'.$item.'" />'.
-                &mt('Delete?').'</label></span></td>'.
-                '<td colspan="2"><input type="hidden" name="ipaccess_id_'.$i.'" value="'.$item.'" />'.
-                &ipaccess_options($i,$itemcount,$dom,$name,$ipranges,\%commblocks,\%courses).
-                '</td></tr>';
-            $itemcount ++;
-        }
-    }
-    $css_class = $itemcount%2?' class="LC_odd_row"':'';
-    my $chgstr = ' onchange="javascript:reorderIPaccess(this.form,'."'ipaccess_pos_add'".');"';
-    $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
-                  '<input type="hidden" name="ipaccess_maxnum" value="'.$maxnum.'" />'."\n".
-                  '<select name="ipaccess_pos_add"'.$chgstr.'>';
-    for (my $k=0; $k<$maxnum+1; $k++) {
-        my $vpos = $k+1;
-        my $selstr;
-        if ($k == $maxnum) {
-            $selstr = ' selected="selected" ';
-        }
-        $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
-    }
-    $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="ipaccess_add" value="1" />'.&mt('Add').'</span></td>'."\n".
-                  '<td colspan="2">'.
-                  &ipaccess_options('add',$itemcount,$dom).
-                  '</td>'."\n".
-                  '</tr>'."\n";
-    $$rowtotal ++;
-    return $datatable;
-}
-
-sub ipaccess_options {
-    my ($num,$itemcount,$dom,$name,$ipranges,$blocksref,$coursesref) = @_;
-    my (%currblocks,%currcourses,$output);
-    if (ref($blocksref) eq 'HASH') {
-        %currblocks = %{$blocksref};
-    }
-    if (ref($coursesref) eq 'HASH') {
-        %currcourses = %{$coursesref};
-    }
-    $output = '<fieldset><legend>'.&mt('Location(s)').'</legend>'.
-              '<span class="LC_nobreak">'.&mt('Name').':&nbsp;'.
-              '<input type="text" name="ipaccess_name_'.$num.'" value="'.$name.'" />'.
-              '</span></fieldset>'.
-              '<fieldset><legend>'.&mt('IP Range(s)').'</legend>'.
-              &mt('Format for each IP range').': '.&mt('A.B.C.D/N or A.B.C.D-E.F.G.H').'<br />'.
-              &mt('Range(s) will be stored as IP netblock(s) in CIDR notation (comma separated)').'<br />'.
-              '<textarea name="ipaccess_range_'.$num.'" rows="3" cols="80">'.
-              $ipranges.'</textarea></fieldset>'.
-              '<fieldset><legend>'.&mt('Functionality Blocked?').'</legend>'.
-              &blocker_checkboxes($num,$blocksref).'</fieldset>'.
-              '<fieldset><legend>'.&mt('Courses/Communities allowed').'</legend>'.
-              '<table>';
-    foreach my $cid (sort(keys(%currcourses))) {
-        my %courseinfo = &Apache::lonnet::coursedescription($cid,{'one_time' => 1});
-        $output .= '<tr><td><span class="LC_nobreak">'.
-                   '<label><input type="checkbox" name="ipaccess_course_delete_'.$num.'" value="'.$cid.'" />'.
-                   &mt('Delete?').'&nbsp;<span class="LC_cusr_emph">'.$courseinfo{'description'}.'</span></label></span>'.
-                   ' <span class="LC_fontsize_medium">('.$cid.')</span></td></tr>';
-    }
-    $output .= '<tr><td><span class="LC_nobreak">'.&mt('Add').':&nbsp;'.
-               '<input type="text" name="ipaccess_cdesc_'.$num.'" value="" onfocus="this.blur();opencrsbrowser('."'display','ipaccess_cnum_$num','ipaccess_cdom_$num','ipaccess_cdesc_$num'".');" />'.
-                &Apache::loncommon::selectcourse_link('display','ipaccess_cnum_'.$num,'ipaccess_cdom_'.$num,'ipaccess_cdesc_'.$num,$dom,undef,'Course/Community').
-               '<input type="hidden" name="ipaccess_cnum_'.$num.'" value="" />'.
-               '<input type="hidden" name="ipaccess_cdom_'.$num.'" value="" />'.
-               '</span></td></tr></table>'."\n".
-               '</fieldset>';
-    return $output;
-}
-
-sub blocker_checkboxes {
-    my ($num,$blocks) = @_;
-    my ($typeorder,$types) = &commblocktype_text();
-    my $numinrow = 6;
-    my $output = '<table>';
-    for (my $i=0; $i<@{$typeorder}; $i++) {
-        my $block = $typeorder->[$i];
-        my $blockstatus;
-        if (ref($blocks) eq 'HASH') {
-            if ($blocks->{$block} eq 'on') {
-                $blockstatus = 'checked="checked"';
-            }
-        }
-        my $rem = $i%($numinrow);
-        if ($rem == 0) {
-            if ($i > 0) {
-                $output .= '</tr>';
-            }
-            $output .= '<tr>';
-        }
-        if ($i == scalar(@{$typeorder})-1) {
-            my $colsleft = $numinrow-$rem;
-            if ($colsleft > 1) {
-                $output .= '<td colspan="'.$colsleft.'">';
-            } else {
-                $output .= '<td>';
-            }
-        } else {
-            $output .= '<td>';
-        }
-        my $item = 'ipaccess_block_'.$num;
-        if ($blockstatus) {
-            $blockstatus = ' '.$blockstatus;
-        }
-        $output .= '<span class="LC_nobreak"><label>'."\n".
-                   '<input type="checkbox" name="'.$item.'"'.
-                   $blockstatus.' value="'.$block.'"'.' />'.
-                   $types->{$block}.'</label></span>'."\n".
-                   '<br /></td>';
-    }
-    $output .= '</tr></table>';
-    return $output;
-}
-
-sub commblocktype_text {
-    my %types = &Apache::lonlocal::texthash(
-        'com' => 'Messaging',
-        'chat' => 'Chat Room',
-        'boards' => 'Discussion',
-        'port' => 'Portfolio',
-        'groups' => 'Groups',
-        'blogs' => 'Blogs',
-        'about' => 'User Information',
-        'printout' => 'Printouts',
-        'passwd' => 'Change Password',
-        'grades' => 'Gradebook',
-        'search' => 'Course search',
-        'wishlist' => 'Stored links',
-        'annotate' => 'Annotations',
-    );
-    my $typeorder = ['com','chat','boards','port','groups','blogs','about','wishlist','printout','grades','search','annotate','passwd'];
-    return ($typeorder,\%types);
-}
-
 sub print_rolecolors {
     my ($phase,$role,$dom,$confname,$settings,$rowtotal) = @_;
     my %choices = &color_font_choices();
@@ -1869,7 +1657,7 @@ sub display_color_options {
         $css_class = $itemcount%2?' class="LC_odd_row"':'';
         $datatable .= '<tr'.$css_class.'>'.
                       '<td>'.$choices->{$img};
-        my ($imgfile,$img_import,$login_hdr_pick,$logincolors,$alttext);
+        my ($imgfile,$img_import,$login_hdr_pick,$logincolors);
         if ($role eq 'login') {
             if ($img eq 'login') {
                 $login_hdr_pick =
@@ -1877,13 +1665,8 @@ sub display_color_options {
                 $logincolors =
                     &login_text_colors($img,$role,$logintext,$phase,$choices,
                                        $designs,$defaults);
-            } else 
-                if ($img ne 'domlogo') {
-                    $datatable.= &logo_display_options($img,$defaults,$designs);
-                }
-                if (ref($designs->{'alttext'}) eq 'HASH') {
-                    $alttext = $designs->{'alttext'}{$img};
-                }
+            } elsif ($img ne 'domlogo') {
+                $datatable.= &logo_display_options($img,$defaults,$designs);
             }
         }
         $datatable .= '</td>';
@@ -1975,11 +1758,6 @@ sub display_color_options {
                 $datatable .='&nbsp;<input type="file" name="'.$role.'_'.$img.'" />';
             }
         }
-        if (($role eq 'login') && ($img ne 'login')) {
-            $datatable .= ('&nbsp;' x2).' <span class="LC_nobreak"><label>'.$choices->{'alttext'}.':'.
-                          '<input type="text" name="'.$role.'_alt_'.$img.'" size="10" value="'.$alttext.'" />'.
-                          '</label></span>';
-        }
         $datatable .= '</td></tr>';
     }
     $itemcount ++;
@@ -2001,7 +1779,7 @@ sub display_color_options {
                   '<table border="0"><tr>';
 
     foreach my $item (@{$bgs}) {
-        $datatable .= '<td align="center">'.$choices->{$item};
+        $datatable .= '<td style="text-align: center">'.$choices->{$item};
 	my $color = $designs->{'bgs'}{$item} ? $designs->{'bgs'}{$item} : $defaults->{'bgs'}{$item};
         if ($designs->{'bgs'}{$item}) {
             $datatable .= '&nbsp;';
@@ -2029,7 +1807,7 @@ sub display_color_options {
                   '<table border="0"><tr>';
     foreach my $item (@{$links}) {
 	my $color = $designs->{'links'}{$item} ? $designs->{'links'}{$item} : $defaults->{'links'}{$item};
-        $datatable .= '<td align="center">'.$choices->{$item}."\n";
+        $datatable .= '<td style="text-align: center">'.$choices->{$item}."\n";
         if ($designs->{'links'}{$item}) {
             $datatable.='&nbsp;';
         }
@@ -2090,7 +1868,7 @@ sub login_text_colors {
     my ($img,$role,$logintext,$phase,$choices,$designs,$defaults) = @_;
     my $color_menu = '<table border="0"><tr>';
     foreach my $item (@{$logintext}) {
-        $color_menu .= '<td align="center">'.$choices->{$item};
+        $color_menu .= '<td style="text-align: center">'.$choices->{$item};
         my $color = $designs->{'logintext'}{$item} ? $designs->{'logintext'}{$item} : $defaults->{'logintext'}{$item};
         $color_menu .= '<br /><input type="text" class="colorchooser" size="8" name="'.$role.'_'.$item.'" value="'.$color.
                       '" onblur = "javascript:colchg_span('."'css_".$role.'_'.$item."'".',this);" /></td>';
@@ -2123,7 +1901,7 @@ sub image_changes {
                        $role.'_del_'.$img.'" value="1" />'.&mt('Delete?').
                        '</label>&nbsp;'.&mt('Replace:').'</span><br />';
         } else {
-            $output .= '<td valign="middle">'.$logincolors.&mt('Upload:').'<br />';
+            $output .= '<td class="LC_middle">'.$logincolors.&mt('Upload:').'<br />';
         }
     }
     return $output;
@@ -2142,7 +1920,7 @@ sub print_quotas {
     my $typecount = 0;
     my ($css_class,%titles);
     if ($context eq 'requestcourses') {
-        @usertools = ('official','unofficial','community','textbook');
+        @usertools = ('official','unofficial','community','textbook','placement','lti');
         @options =('norequest','approval','validate','autolimit');
         %validations = &Apache::lonnet::auto_courserequest_checks($dom);
         %titles = &courserequest_titles();
@@ -2606,7 +2384,7 @@ sub print_studentcode {
     my ($settings,$rowtotal) = @_;
     my $rownum = 0; 
     my ($output,%current);
-    my @crstypes = ('official','unofficial','community','textbook');
+    my @crstypes = ('official','unofficial','community','textbook','placement','lti');
     if (ref($settings) eq 'HASH') {
         if (ref($settings->{'uniquecode'}) eq 'HASH') {
             foreach my $type (@crstypes) {
@@ -2856,175 +2634,103 @@ $jstext{'templates'};
 ENDSCRIPT
 }
 
-sub wafproxy_javascript {
-    my ($dom) = @_;
+sub ltitools_javascript {
+    my ($settings) = @_;
+    my $togglejs = &ltitools_toggle_js();
+    unless (ref($settings) eq 'HASH') {
+        return $togglejs;
+    }
+    my (%ordered,$total,%jstext);
+    $total = 0;
+    foreach my $item (keys(%{$settings})) {
+        if (ref($settings->{$item}) eq 'HASH') {
+            my $num = $settings->{$item}{'order'};
+            $ordered{$num} = $item;
+        }
+    }
+    $total = scalar(keys(%{$settings}));
+    my @jsarray = ();
+    foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
+        push(@jsarray,$ordered{$item});
+    }
+    my $jstext = '    var ltitools = Array('."'".join("','",@jsarray)."'".');'."\n";
     return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
-function updateWAF() {
-    if (document.getElementById('wafproxy_remoteip')) {
-        var wafremote = 0;
-        if (document.display.wafproxy_remoteip.options[document.display.wafproxy_remoteip.selectedIndex].value == 'h') {
-            wafremote = 1;
-        }
-        var fields = new Array('header','trust');
-        for (var i=0; i<fields.length; i++) {
-            if (document.getElementById('wafproxy_'+fields[i])) {
-                if (wafremote == 1) {
-                    document.getElementById('wafproxy_'+fields[i]).style.display = 'table-row';
-                }
-                else {
-                    document.getElementById('wafproxy_'+fields[i]).style.display = 'none';
-                }
-            }
-        }
-        if (document.getElementById('wafproxyranges_$dom')) {
-            if (wafremote == 1) {
-                document.getElementById('wafproxyranges_$dom').style.display = 'inline-block';
-            } else {
-                for (var i=0; i<document.display.wafproxy_vpnaccess.length; i++) {
-                    if (document.display.wafproxy_vpnaccess[i].checked) {
-                        if (document.display.wafproxy_vpnaccess[i].value == 0) {
-                            document.getElementById('wafproxyranges_$dom').style.display = 'none';
-                        }
-                    }
-                }
-            }
-        }
+function reorderLTITools(form,item) {
+    var changedVal;
+$jstext
+    var newpos = 'ltitools_add_pos';
+    var maxh = 1 + $total;
+    var current = new Array;
+    var newitemVal = form.elements[newpos].options[form.elements[newpos].selectedIndex].value;
+    if (item == newpos) {
+        changedVal = newitemVal;
+    } else {
+        changedVal = form.elements[item].options[form.elements[item].selectedIndex].value;
+        current[newitemVal] = newpos;
     }
-    return;
-}
-
-function checkWAF() {
-    if (document.getElementById('wafproxy_remoteip')) {
-        var wafvpn = 0;
-        for (var i=0; i<document.display.wafproxy_vpnaccess.length; i++) {
-            if (document.display.wafproxy_vpnaccess[i].checked) {
-                if (document.display.wafproxy_vpnaccess[i].value == 1) {
-                    wafvpn = 1;
-                }
-                break;
-            }
-        }
-        var vpn = new Array('vpnint','vpnext');
-        for (var i=0; i<vpn.length; i++) {
-            if (document.getElementById('wafproxy_show_'+vpn[i])) {
-                if (wafvpn == 1) {
-                    document.getElementById('wafproxy_show_'+vpn[i]).style.display = 'table-row';
-                }
-                else {
-                    document.getElementById('wafproxy_show_'+vpn[i]).style.display = 'none';
-                }
-            }
-        }
-        if (document.getElementById('wafproxyranges_$dom')) {
-            if (wafvpn == 1) {
-                document.getElementById('wafproxyranges_$dom').style.display = 'inline-block';
-            }
-            else if (document.display.wafproxy_remoteip.options[document.display.wafproxy_remoteip.selectedIndex].value != 'h') {
-                document.getElementById('wafproxyranges_$dom').style.display = 'none';
+    for (var i=0; i<ltitools.length; i++) {
+        var elementName = 'ltitools_'+ltitools[i];
+        if (elementName != item) {
+            if (form.elements[elementName]) {
+                var currVal = form.elements[elementName].options[form.elements[elementName].selectedIndex].value;
+                current[currVal] = elementName;
             }
         }
     }
-    return;
-}
-
-function toggleWAF() {
-    if (document.getElementById('wafproxy_table')) {
-        var wafproxy = 0;
-        for (var i=0; i<document.display.wafproxy_${dom}.length; i++) {
-             if (document.display.wafproxy_${dom}[i].checked) {
-                 if (document.display.wafproxy_${dom}[i].value == 1) {
-                     wafproxy = 1;
-                     break;
-                }
-            }
-        }
-        if (wafproxy == 1) {
-            document.getElementById('wafproxy_table').style.display='inline';
-        }
-        else {
-           document.getElementById('wafproxy_table').style.display='none';
-        }
-        if (document.getElementById('wafproxyrow_${dom}')) {
-            if (wafproxy == 1) {
-                document.getElementById('wafproxyrow_${dom}').style.display = 'table-row';
-            }
-            else {
-                document.getElementById('wafproxyrow_${dom}').style.display = 'none';
-            }
-        }
-        if (document.getElementById('nowafproxyrow_$dom')) {
-            if (wafproxy == 1) {
-                document.getElementById('nowafproxyrow_${dom}').style.display = 'none';
-            }
-            else {
-                document.getElementById('nowafproxyrow_${dom}').style.display = 'table-row';
-            }
+    var oldVal;
+    for (var j=0; j<maxh; j++) {
+        if (current[j] == undefined) {
+            oldVal = j;
         }
     }
-    return;
-}
-// ]]>
-</script>
-
-ENDSCRIPT
-}
-
-sub autoupdate_javascript {
-    return <<"ENDSCRIPT";
-<script type="text/javascript">
-// <![CDATA[
-function toggleLastActiveDays(form) {
-    var radioname = 'lastactive';
-    var divid = 'lastactive_div';
-    var num = form.elements[radioname].length;
-    if (num) {
-        var setvis = '';
-        for (var i=0; i<num; i++) {
-            if (form.elements[radioname][i].checked) {
-                if (form.elements[radioname][i].value == '1') {
-                    if (document.getElementById(divid)) {
-                        document.getElementById(divid).style.display = 'inline-block';
-                    }
-                    setvis = 1;
-                }
-                break;
-            }
+    if (oldVal < changedVal) {
+        for (var k=oldVal+1; k<=changedVal ; k++) {
+           var elementName = current[k];
+           form.elements[elementName].selectedIndex = form.elements[elementName].selectedIndex - 1;
         }
-        if (!setvis) {
-            if (document.getElementById(divid)) {
-                document.getElementById(divid).style.display = 'none';
-            }
+    } else {
+        for (var k=changedVal; k<oldVal; k++) {
+            var elementName = current[k];
+            form.elements[elementName].selectedIndex = form.elements[elementName].selectedIndex + 1;
         }
     }
     return;
 }
+
 // ]]>
 </script>
 
+$togglejs
+
 ENDSCRIPT
 }
 
-sub autoenroll_javascript {
+sub ltitools_toggle_js {
     return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
-function toggleFailsafe(form) {
-    var radioname = 'autoenroll_failsafe';
-    var divid = 'autoenroll_failsafe_div';
-    var num = form.elements[radioname].length;
-    if (num) {
-        var setvis = '';
-        for (var i=0; i<num; i++) {
-            if (form.elements[radioname][i].checked) {
-                if ((form.elements[radioname][i].value == 'zero') || (form.elements[radioname][i].value == 'any')) {
-                    if (document.getElementById(divid)) {
-                        document.getElementById(divid).style.display = 'inline-block';
+
+function toggleLTITools(form,setting,item) {
+    var radioname = '';
+    var divid = '';
+    if ((setting == 'passback') || (setting == 'roster')) {
+        radioname = 'ltitools_'+setting+'_'+item;
+        divid = 'ltitools_'+setting+'time_'+item;
+        var num = form.elements[radioname].length;
+        if (num) {
+            var setvis = '';
+            for (var i=0; i<num; i++) {
+                if (form.elements[radioname][i].checked) {
+                    if (form.elements[radioname][i].value == '1') {
+                        if (document.getElementById(divid)) {
+                            document.getElementById(divid).style.display = 'inline-block';
+                        }
+                        setvis = 1;
                     }
-                    setvis = 1;
+                    break;
                 }
-                break;
             }
         }
         if (!setvis) {
@@ -3033,45 +2739,16 @@ function toggleFailsafe(form) {
             }
         }
     }
-    return;
-}
-// ]]>
-</script>
-
-ENDSCRIPT
-}
-
-sub saml_javascript {
-    return <<"ENDSCRIPT";
-<script type="text/javascript">
-// <![CDATA[
-function toggleSamlOptions(form,hostid) {
-    var radioname = 'saml_'+hostid;
-    var tablecellon = 'samloptionson_'+hostid;
-    var tablecelloff = 'samloptionsoff_'+hostid;
-    var num = form.elements[radioname].length;
-    if (num) {
-        var setvis = '';
-        for (var i=0; i<num; i++) {
-            if (form.elements[radioname][i].checked) {
-                if (form.elements[radioname][i].value == '1') {
-                    if (document.getElementById(tablecellon)) {
-                        document.getElementById(tablecellon).style.display='';
-                    }
-                    if (document.getElementById(tablecelloff)) {
-                        document.getElementById(tablecelloff).style.display='none';
-                    }
-                    setvis = 1;
+    if (setting == 'user') {
+        divid = 'ltitools_'+setting+'_div_'+item;
+        var checkid = 'ltitools_'+setting+'_field_'+item;
+        if (document.getElementById(divid)) {
+            if (document.getElementById(checkid)) {
+                if (document.getElementById(checkid).checked) {
+                    document.getElementById(divid).style.display = 'inline-block';
+                } else {
+                    document.getElementById(divid).style.display = 'none';
                 }
-                break;
-            }
-        }
-        if (!setvis) {
-            if (document.getElementById(tablecellon)) {
-                document.getElementById(tablecellon).style.display='none';
-            }
-            if (document.getElementById(tablecelloff)) {
-                document.getElementById(tablecelloff).style.display='';
             }
         }
     }
@@ -3083,31 +2760,33 @@ function toggleSamlOptions(form,hostid)
 ENDSCRIPT
 }
 
-sub ipaccess_javascript {
+sub lti_javascript {
     my ($settings) = @_;
+    my $togglejs = &lti_toggle_js();
+    unless (ref($settings) eq 'HASH') {
+        return $togglejs;
+    }
     my (%ordered,$total,%jstext);
     $total = 0;
-    if (ref($settings) eq 'HASH') {
-        foreach my $item (keys(%{$settings})) {
-            if (ref($settings->{$item}) eq 'HASH') {
-                my $num = $settings->{$item}{'order'};
-                $ordered{$num} = $item;
-            }
+    foreach my $item (keys(%{$settings})) {
+        if (ref($settings->{$item}) eq 'HASH') {
+            my $num = $settings->{$item}{'order'};
+            $ordered{$num} = $item;
         }
-        $total = scalar(keys(%{$settings}));
     }
+    $total = scalar(keys(%{$settings}));
     my @jsarray = ();
     foreach my $item (sort {$a <=> $b } (keys(%ordered))) {
         push(@jsarray,$ordered{$item});
     }
-    my $jstext = '    var ipaccess = Array('."'".join("','",@jsarray)."'".');'."\n";
+    my $jstext = '    var lti = Array('."'".join("','",@jsarray)."'".');'."\n";
     return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
-function reorderIPaccess(form,item) {
+function reorderLTI(form,item) {
     var changedVal;
 $jstext
-    var newpos = 'ipaccess_pos_add';
+    var newpos = 'lti_pos_add';
     var maxh = 1 + $total;
     var current = new Array;
     var newitemVal = form.elements[newpos].options[form.elements[newpos].selectedIndex].value;
@@ -3117,8 +2796,8 @@ $jstext
         changedVal = form.elements[item].options[form.elements[item].selectedIndex].value;
         current[newitemVal] = newpos;
     }
-    for (var i=0; i<ipaccess.length; i++) {
-        var elementName = 'ipaccess_pos_'+ipaccess[i];
+    for (var i=0; i<lti.length; i++) {
+        var elementName = 'lti_pos_'+lti[i];
         if (elementName != item) {
             if (form.elements[elementName]) {
                 var currVal = form.elements[elementName].options[form.elements[elementName].selectedIndex].value;
@@ -3148,18 +2827,194 @@ $jstext
 // ]]>
 </script>
 
+$togglejs
+
+ENDSCRIPT
+}
+
+sub lti_toggle_js {
+    my %lcauthparmtext = &Apache::lonlocal::texthash (
+                            localauth => 'Local auth argument',
+                            krb       => 'Kerberos domain',
+                         );
+    return <<"ENDSCRIPT";
+<script type="text/javascript">
+// <![CDATA[
+
+function toggleLTI(form,setting,item) {
+    if (setting == 'requser') {
+        var fieldsets = document.getElementsByClassName('ltioption_'+item);
+        if (fieldsets.length) {
+            var radioname = 'lti_'+setting+'_'+item;
+            var num = form.elements[radioname].length;
+            if (num) {
+                var setvis = '';
+                for (var i=0; i<num; i++) {
+                    if (form.elements[radioname][i].checked) {
+                        if (form.elements[radioname][i].value == '1') {
+                           setvis = 1;
+                           break;
+                        }
+                    }
+                }
+                for (var j=0; j<fieldsets.length; j++) { 
+                    if (setvis) {
+                        fieldsets[j].style.display = 'block';
+                    } else {
+                        fieldsets[j].style.display = 'none';
+                    }
+                }
+            }
+        }
+    } else if ((setting == 'user') || (setting == 'crs') || (setting == 'passback')) {
+        var radioname = '';
+        var divid = '';
+        if (setting == 'user') {
+            radioname = 'lti_mapuser_'+item;
+            divid = 'lti_userfield_'+item;
+        } else if (setting == 'crs') {
+            radioname = 'lti_mapcrs_'+item;
+            divid = 'lti_crsfield_'+item;
+        } else {
+            radioname = 'lti_passbackformat_'+item;
+            divid =  'lti_passback_'+item;
+        }
+        var num = form.elements[radioname].length;
+        if (num) {
+            var setvis = '';
+            for (var i=0; i<num; i++) {
+               if (form.elements[radioname][i].checked) {
+                   if (setting == 'passback') {
+                       if (form.elements[radioname][i].value == '1') {
+                           if (document.getElementById(divid)) {
+                               document.getElementById(divid).style.display = 'inline-block';
+                           }
+                           setvis = 1;
+                           break;
+                       }
+                   } else {
+                       if (form.elements[radioname][i].value == 'other') {
+                           if (document.getElementById(divid)) {
+                               document.getElementById(divid).style.display = 'inline-block';
+                           }
+                           setvis = 1;
+                           break;
+                       }
+                   }
+               } 
+            }
+            if (!setvis) {
+                if (document.getElementById(divid)) {
+                    document.getElementById(divid).style.display = 'none';
+                }
+            }
+        }
+    } else if ((setting == 'sec') || (setting == 'secsrc')) {
+        var numsec = form.elements['lti_crssec_'+item].length;
+        if (numsec) {
+            var setvis = '';
+            for (var i=0; i<numsec; i++) {
+                if (form.elements['lti_crssec_'+item][i].checked) {
+                    if (form.elements['lti_crssec_'+item][i].value == '1') {
+                        if (document.getElementById('lti_crssecfield_'+item)) {
+                            document.getElementById('lti_crssecfield_'+item).style.display = 'inline-block';
+                            setvis = 1;
+                            var numsrcsec = form.elements['lti_crssecsrc_'+item].length;
+                            if (numsrcsec) {
+                                var setsrcvis = '';
+                                for (var j=0; j<numsrcsec; j++) {
+                                    if (form.elements['lti_crssecsrc_'+item][j].checked) {
+                                        if (form.elements['lti_crssecsrc_'+item][j].value == 'other') {
+                                            if (document.getElementById('lti_secsrcfield_'+item)) {
+                                                document.getElementById('lti_secsrcfield_'+item).style.display = 'inline-block';
+                                                setsrcvis = 1;
+                                            }
+                                        }
+                                    }
+                                }
+                                if (!setsrcvis) {
+                                    if (document.getElementById('lti_secsrcfield_'+item)) {
+                                        document.getElementById('lti_secsrcfield_'+item).style.display = 'none';
+                                    }
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+            if (!setvis) {
+                if (document.getElementById('lti_crssecfield_'+item)) {
+                    document.getElementById('lti_crssecfield_'+item).style.display = 'none';
+                }
+                if (document.getElementById('lti_secsrcfield_'+item)) {
+                    document.getElementById('lti_secsrcfield_'+item).style.display = 'none';
+                }
+            }
+        }
+    } else if (setting == 'lcauth') {
+        var numauth = form.elements['lti_lcauth_'+item].length;
+        if (numauth) {
+            for (var i=0; i<numauth; i++) {
+                if (form.elements['lti_lcauth_'+item][i].checked) {
+                    if (document.getElementById('lti_'+setting+'_parmrow_'+item)) {
+                        if ((form.elements['lti_'+setting+'_'+item][i].value == 'internal') || (form.elements['lti_'+setting+'_'+item][i].value == 'lti')) {
+                            document.getElementById('lti_'+setting+'_parmrow_'+item).style.display = 'none';
+                        } else {
+                            document.getElementById('lti_'+setting+'_parmrow_'+item).style.display = 'table-row';
+                            if (document.getElementById('lti_'+setting+'_parmtext_'+item)) {
+                                if (form.elements['lti_'+setting+'_'+item][i].value == 'localauth') {
+                                    document.getElementById('lti_'+setting+'_parmtext_'+item).innerHTML = "$lcauthparmtext{'localauth'}";
+                                } else {
+                                    document.getElementById('lti_'+setting+'_parmtext_'+item).innerHTML = "$lcauthparmtext{'krb'}";
+                                }
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    } else if (setting == 'lcmenu') {
+        var menus = new Array('lti_topmenu_'+item,'lti_inlinemenu_'+item);
+        var divid = 'lti_menufield_'+item;
+        var setvis = '';
+        for (var i=0; i<menus.length; i++) {
+            var radioname = menus[i];  
+            var num = form.elements[radioname].length;
+            if (num) {
+                for (var j=0; j<num; j++) {
+                    if (form.elements[radioname][j].checked) {
+                        if (form.elements[radioname][j].value == '1') {
+                            if (document.getElementById(divid)) {
+                                document.getElementById(divid).style.display = 'inline-block';
+                            }
+                            setvis = 1;
+                            break;
+                        }
+                    }
+                }
+            }
+            if (setvis == 1) {
+                break;
+            }
+        }
+        if (!setvis) {
+            if (document.getElementById(divid)) {
+                document.getElementById(divid).style.display = 'none';
+            }
+        }
+    }
+    return;
+}
+// ]]>
+</script>
+
 ENDSCRIPT
 }
 
 sub print_autoenroll {
     my ($dom,$settings,$rowtotal) = @_;
     my $autorun = &Apache::lonnet::auto_run(undef,$dom),
-    my ($defdom,$runon,$runoff,$coownerson,$coownersoff,
-        $failsafe,$autofailsafe,$failsafesty,%failsafechecked);
-    $failsafesty = 'none';
-    %failsafechecked = (
-        off => ' checked="checked"',
-    );
+    my ($defdom,$runon,$runoff,$coownerson,$coownersoff,$failsafe);
     if (ref($settings) eq 'HASH') {
         if (exists($settings->{'run'})) {
             if ($settings->{'run'} eq '0') {
@@ -3193,24 +3048,8 @@ sub print_autoenroll {
         if (exists($settings->{'sender_domain'})) {
             $defdom = $settings->{'sender_domain'};
         }
-        if (exists($settings->{'failsafe'})) {
-            $failsafe = $settings->{'failsafe'};
-            if ($failsafe eq 'zero') {
-                $failsafechecked{'zero'} = ' checked="checked"';
-                $failsafechecked{'off'} = '';
-                $failsafesty = 'inline-block';
-            } elsif ($failsafe eq 'any') {
-                $failsafechecked{'any'} = ' checked="checked"';
-                $failsafechecked{'off'} = '';
-            }
-            $autofailsafe = $settings->{'autofailsafe'};
-        } elsif (exists($settings->{'autofailsafe'})) {
-            $autofailsafe = $settings->{'autofailsafe'};
-            if ($autofailsafe ne '') {
-                $failsafechecked{'zero'} = ' checked="checked"';
-                $failsafe = 'zero';
-                $failsafechecked{'off'} = '';
-            }
+        if (exists($settings->{'autofailsafe'})) {
+            $failsafe = $settings->{'autofailsafe'};
         }
     } else {
         if ($autorun) {
@@ -3249,84 +3088,51 @@ sub print_autoenroll {
                   $coownersoff.' value="0" />'.&mt('No').'</label></span></td>'.
                   '</tr><tr>'.
                   '<td>'.&mt('Failsafe for no drops when institutional data missing').'</td>'.
-                  '<td class="LC_left_item"><span class="LC_nobreak">'.
-                  '<span class="LC_nobreak"><label><input type="radio" name="autoenroll_failsafe" value="off" onclick="toggleFailsafe(this.form)"'.$failsafechecked{'off'}.' />'.&mt('Not in use').'</label></span>&nbsp;&nbsp;&nbsp; '.
-                  '<span class="LC_nobreak"><label><input type="radio" name="autoenroll_failsafe" value="zero" onclick="toggleFailsafe(this.form)"'.$failsafechecked{'zero'}.' />'.&mt('Retrieved section enrollment is zero').'</label></span><br />'.
-                  '<span class="LC_nobreak"><label><input type="radio" name="autoenroll_failsafe" value="any" onclick="toggleFailsafe(this.form)"'.$failsafechecked{'any'}.' />'.&mt('Retrieved section enrollment is zero or greater').'</label></span>'.
-                  '<div class="LC_floatleft" style="display:'.$failsafesty.';" id="autoenroll_failsafe_div">'.
-                  '<span class="LC_nobreak">'.
-                  &mt('Threshold for number of students in section to drop: [_1]',
-                      '<input type="text" name="autoenroll_autofailsafe" value="'.$autofailsafe.'" size="4" />').
-                  '</span></div></td></tr>';
+                  '<td class="LC_right_item"><span class="LC_nobreak">'.
+                  '<input type="text" name="autoenroll_failsafe"'.
+                  ' value="'.$failsafe.'" size="4" /></span></td></tr>';
     $$rowtotal += 4;
     return $datatable;
 }
 
 sub print_autoupdate {
     my ($position,$dom,$settings,$rowtotal) = @_;
-    my ($enable,$datatable);
+    my $datatable;
     if ($position eq 'top') {
-        my %choices = &Apache::lonlocal::texthash (
-                          run        => 'Auto-update active?',
-                          classlists => 'Update information in classlists?',
-                          unexpired  => 'Skip updates for users without active or future roles?',
-                          lastactive => 'Skip updates for inactive users?',
-        );
-        my $itemcount = 0;
         my $updateon = ' ';
         my $updateoff = ' checked="checked" ';
+        my $classlistson = ' ';
+        my $classlistsoff = ' checked="checked" ';
         if (ref($settings) eq 'HASH') {
             if ($settings->{'run'} eq '1') {
                 $updateon = $updateoff;
                 $updateoff = ' ';
             }
+            if ($settings->{'classlists'} eq '1') {
+                $classlistson = $classlistsoff;
+                $classlistsoff = ' ';
+            }
         }
-        $enable = '<tr class="LC_odd_row">'. 
-                  '<td>'.&mt($choices{'run'}).'</td>'.
-                  '<td class="LC_left_item"><span class="LC_nobreak"><label>'.
+        my %title = (
+                   run => 'Auto-update active?',
+                   classlists => 'Update information in classlists?',
+                    );
+        $datatable = '<tr class="LC_odd_row">'. 
+                  '<td>'.&mt($title{'run'}).'</td>'.
+                  '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
                   '<input type="radio" name="autoupdate_run"'.
-                  $updateoff.'value="0" />'.&mt('No').'</label>&nbsp;'.
+                  $updateon.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                   '<label><input type="radio" name="autoupdate_run"'.
-                  $updateon.'value="1" />'.&mt('Yes').'</label></span></td>'.
+                  $updateoff.'value="0" />'.&mt('No').'</label></span></td>'.
+                  '</tr><tr>'.
+                  '<td>'.&mt($title{'classlists'}).'</td>'.
+                  '<td class="LC_right_item"><span class="LC_nobreak">'.
+                  '<label><input type="radio" name="classlists"'.
+                  $classlistson.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
+                  '<label><input type="radio" name="classlists"'.
+                  $classlistsoff.'value="0" />'.&mt('No').'</label></span></td>'.
                   '</tr>';
-        my @toggles = ('classlists','unexpired');
-        my %defaultchecked = ('classlists' => 'off',
-                              'unexpired'  => 'off'
-                              );
-        $$rowtotal ++;
-        ($datatable,$itemcount) = &radiobutton_prefs($settings,\@toggles,\%defaultchecked,
-                                                     \%choices,$itemcount,'','','left','no');
-        $datatable = $enable.$datatable;
-        $$rowtotal += $itemcount;
-        my $lastactiveon = ' ';
-        my $lastactiveoff = ' checked="checked" ';
-        my $lastactivestyle = 'none';
-        my $lastactivedays;
-        my $onclick = ' onclick="javascript:toggleLastActiveDays(this.form);"';
-        if (ref($settings) eq 'HASH') {
-            if ($settings->{'lastactive'} =~ /^\d+$/) {
-                $lastactiveon = $lastactiveoff;
-                $lastactiveoff = ' ';
-                $lastactivestyle = 'inline-block';
-                $lastactivedays = $settings->{'lastactive'};
-            }
-        }
-        my $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'>'.
-                      '<td>'.$choices{'lastactive'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak"><label>'.
-                      '<input type="radio" name="lastactive"'.
-                      $lastactiveoff.'value="0"'.$onclick.' />'.&mt('No').'</label>'.
-                      '&nbsp;<label>'.
-                      '<input type="radio" name="lastactive"'.
-                      $lastactiveon.' value="1"'.$onclick.' />'.&mt('Yes').'</label>'.
-                      '<div id="lastactive_div" style="display:'.$lastactivestyle.';">'.
-                      ':&nbsp;'.&mt('inactive = no activity in last [_1] days',
-                          '<input type="text" size="5" name="lastactivedays" value="'.
-                          $lastactivedays.'" />').
-                      '</span></td>'.
-                      '</tr>';
-        $$rowtotal ++;
+        $$rowtotal += 2;
     } elsif ($position eq 'middle') {
         my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
         my $numinrow = 3;
@@ -3577,7 +3383,7 @@ sub print_contacts {
         }
     } elsif ($position eq 'middle') {
         @mailings = ('errormail','packagesmail','lonstatusmail','requestsmail',
-                     'updatesmail','idconflictsmail','hostipmail');
+                     'updatesmail','idconflictsmail');
         foreach my $type (@mailings) {
             $otheremails{$type} = '';
         }
@@ -3660,7 +3466,6 @@ sub print_contacts {
             $checked{'requestsmail'}{'adminemail'} = ' checked="checked" ';
             $checked{'updatesmail'}{'adminemail'} = ' checked="checked" ';
             $checked{'idconflictsmail'}{'adminemail'} = ' checked="checked" ';
-            $checked{'hostipmail'}{'adminemail'} = ' checked="checked" ';
         } elsif ($position eq 'bottom') {
             $checked{'helpdeskmail'}{'supportemail'} = ' checked="checked" ';
             $checked{'otherdomsmail'}{'supportemail'} = ' checked="checked" ';
@@ -3792,17 +3597,18 @@ sub print_contacts {
                                                    \%choices,$rownum);
         $datatable .= $reports;
     } elsif ($position eq 'lower') {
-        my (%current,%excluded,%weights);
+        $css_class = $rownum%2?' class="LC_odd_row"':'';
+        my ($threshold,$sysmail,%excluded,%weights);
         my ($defaults,$names) = &Apache::loncommon::lon_status_items();
         if ($lonstatus{'threshold'} =~ /^\d+$/) {
-            $current{'errorthreshold'} = $lonstatus{'threshold'};
+            $threshold = $lonstatus{'threshold'};
         } else {
-            $current{'errorthreshold'} = $defaults->{'threshold'};
+            $threshold = $defaults->{'threshold'};
         }
         if ($lonstatus{'sysmail'} =~ /^\d+$/) {
-            $current{'errorsysmail'} = $lonstatus{'sysmail'};
+            $sysmail = $lonstatus{'sysmail'};
         } else {
-            $current{'errorsysmail'} = $defaults->{'sysmail'};
+            $sysmail = $defaults->{'sysmail'};
         }
         if (ref($lonstatus{'weights'}) eq 'HASH') {
             foreach my $type ('E','W','N','U') {
@@ -3822,16 +3628,13 @@ sub print_contacts {
                 map {$excluded{$_} = 1; } @{$lonstatus{'excluded'}};
             }
         }
-        foreach my $item ('errorthreshold','errorsysmail') {
-            $css_class = $rownum%2?' class="LC_odd_row"':'';
-            $datatable .= '<tr'.$css_class.'>'.
-                          '<td class="LC_left_item"><span class="LC_nobreak">'.
-                          $titles->{$item}.
-                          '</span></td><td class="LC_left_item">'.
-                          '<input type="text" name="'.$item.'" value="'.
-                          $current{$item}.'" size="5" /></td></tr>';
-            $rownum ++;
-        }
+        $datatable .= '<tr'.$css_class.'>'.
+                      '<td class="LC_left_item"><span class="LC_nobreak">'.
+                      $titles->{'errorthreshold'}.
+                      '</span></td><td class="LC_left_item">'.
+                      '<input type="text" name="errorthreshold" value="'.
+                      $threshold.'" size="5" /></td></tr>';
+        $rownum ++;
         $css_class = $rownum%2?' class="LC_odd_row"':'';
         $datatable .= '<tr'.$css_class.'>'.
                       '<td class="LC_left_item">'.
@@ -3877,6 +3680,14 @@ sub print_contacts {
         }
         $datatable .= '</tr></table></td></tr>';
         $rownum ++;
+        $css_class = $rownum%2?' class="LC_odd_row"':'';
+        $datatable .= '<tr'.$css_class.'>'.
+                      '<td class="LC_left_item"><span class="LC_nobreak">'.
+                      $titles->{'errorsysmail'}.
+                      '</span></td><td class="LC_left_item">'.
+                      '<input type="text" name="errorsysmail" value="'.
+                      $sysmail.'" size="5" /></td></tr>';
+        $rownum ++;
     } elsif ($position eq 'bottom') {
         my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
         my (@posstypes,%usertypeshash);
@@ -3904,7 +3715,7 @@ sub print_contacts {
                             $includeloc{'override_'.$key} = '';
                             $includestr{'override_'.$key} = '';
                             if ($settings->{'overrides'}{$key}{'include'} ne '') {
-                                ($includeloc{'override_'.$key},$includestr{'override_'.$key}) =
+                                ($includeloc{'override_'.$key},$includestr{'override_'.$key}) = 
                                     split(/:/,$settings->{'overrides'}{$key}{'include'},2);
                                 $includestr{'override_'.$key} = &unescape($includestr{'override_'.$key});
                             }
@@ -3916,7 +3727,7 @@ sub print_contacts {
             my $optionsprefix = 'LC_options_helpdesk_';
 
             my $onclicktypes = "toggleHelpdeskRow(this.form,'overrides','$customclass','$optionsprefix');";
-
+ 
             $datatable .= &insttypes_row($settings,$types,$usertypes,$dom,
                                          $numinrow,$othertitle,'overrides',
                                          \$rownum,$onclicktypes,$customclass);
@@ -3983,7 +3794,7 @@ sub overridden_helpdesk {
             }
             my $title;
             if (ref($short_titles) eq 'HASH') {
-                $title = $short_titles->{$item};
+                $title = $short_titles->{$item}; 
             }
             $output .= '<label>'.
                        '<input type="checkbox" name="override_'.$type.'"'.$check.
@@ -4062,6 +3873,7 @@ function toggleHelpdeskRow(form,checkbox
     return;
 }
 
+
 // ]]>
 </script>
 
@@ -4133,7 +3945,6 @@ sub print_helpsettings {
             push(@jsarray,('notinc','notexc'));
         }
         my $hiddenstr = join("','",@jsarray);
-        $datatable .= &helpsettings_javascript(\@roles_by_num,$maxnum,$hiddenstr,$formname);
         my $context = 'domprefs';
         my $crstype = 'Course';
         my $prefix = 'helproles_';
@@ -4167,7 +3978,7 @@ sub print_helpsettings {
             my @templateroles = &Apache::lonuserutils::custom_template_roles($context,$crstype);
             $css_class = $itemcount%2?' class="LC_odd_row"':'';
             my $chgstr = ' onchange="javascript:reorderHelpRoles(this.form,'."'helproles_".$num."_pos'".');"';
-            $datatable .= '<tr '.$css_class.'><td valign="top"><b>'.$role.'</b><br />'.
+            $datatable .= '<tr '.$css_class.'><td style="vertical-align: top"><b>'.$role.'</b><br />'.
                           '<select name="helproles_'.$num.'_pos"'.$chgstr.'>';
             for (my $k=0; $k<=$maxnum; $k++) {
                 my $vpos = $k+1;
@@ -4206,7 +4017,7 @@ sub print_helpsettings {
         &Apache::lonuserutils::custom_role_privs(\%privs,\%full,\%levels,\%levelscurrent);
         my @templateroles = &Apache::lonuserutils::custom_template_roles($context,$crstype);
         my $chgstr = ' onchange="javascript:reorderHelpRoles(this.form,'."'helproles_".$count."_pos'".');"';
-        $datatable .= '<tr '.$css_class.'><td valign="top"><span class="LC_nobreak"><label>'.
+        $datatable .= '<tr '.$css_class.'><td style="vertical-align: top"><span class="LC_nobreak"><label>'.
                       '<input type="hidden" name="helproles_maxnum" value="'.$maxnum.'" />'."\n".
                       '<select name="helproles_'.$count.'_pos"'.$chgstr.'>';
         for (my $k=0; $k<$maxnum+1; $k++) {
@@ -4455,7 +4266,7 @@ sub helpdeskroles_access {
 
 sub radiobutton_prefs {
     my ($settings,$toggles,$defaultchecked,$choices,$itemcount,$onclick,
-        $additional,$align,$firstval) = @_;
+        $additional,$align) = @_;
     return unless ((ref($toggles) eq 'ARRAY') && (ref($defaultchecked) eq 'HASH') &&
                    (ref($choices) eq 'HASH'));
 
@@ -4487,7 +4298,7 @@ sub radiobutton_prefs {
     foreach my $item (@{$toggles}) {
         $css_class = $itemcount%2?' class="LC_odd_row"':'';
         $datatable .=
-            '<tr'.$css_class.'><td valign="top">'.
+            '<tr'.$css_class.'><td style="vertical-align: top">'.
             '<span class="LC_nobreak">'.$choices->{$item}.
             '</span></td>';
         if ($align eq 'left') {
@@ -4495,43 +4306,973 @@ sub radiobutton_prefs {
         } else {
             $datatable .= '<td class="LC_right_item">';
         }
-        $datatable .= '<span class="LC_nobreak">';
-        if ($firstval eq 'no') {
-            $datatable .=
-                '<label><input type="radio" name="'.
-                $item.'" '.$checkedoff{$item}.' value="0"'.$onclick.' />'.&mt('No').
-                '</label>&nbsp;<label><input type="radio" name="'.$item.'" '.
-                $checkedon{$item}.' value="1"'.$onclick.' />'.&mt('Yes').'</label>';
-        } else {
-            $datatable .=
+        $datatable .=
+            '<span class="LC_nobreak">'.
             '<label><input type="radio" name="'.
             $item.'" '.$checkedon{$item}.' value="1"'.$onclick.' />'.&mt('Yes').
             '</label>&nbsp;<label><input type="radio" name="'.$item.'" '.
-            $checkedoff{$item}.' value="0"'.$onclick.' />'.&mt('No').'</label>';
-        }
-        $datatable .= '</span>'.$additional.'</td></tr>';
+            $checkedoff{$item}.' value="0"'.$onclick.' />'.&mt('No').'</label>'.
+            '</span>'.$additional.
+            '</td>'.
+            '</tr>';
         $itemcount ++;
     }
     return ($datatable,$itemcount);
 }
 
+sub print_ltitools {
+    my ($dom,$settings,$rowtotal) = @_;
+    my $rownum = 0;
+    my $css_class;
+    my $itemcount = 1;
+    my $maxnum = 0;
+    my %ordered;
+    if (ref($settings) eq 'HASH') {
+        foreach my $item (keys(%{$settings})) {
+            if (ref($settings->{$item}) eq 'HASH') {
+                my $num = $settings->{$item}{'order'};
+                $ordered{$num} = $item;
+            }
+        }
+    }
+    my $confname = $dom.'-domainconfig';
+    my $switchserver = &check_switchserver($dom,$confname);
+    my $maxnum = scalar(keys(%ordered));
+    my $datatable;
+    my %lt = &ltitools_names();
+    my @courseroles = ('cc','in','ta','ep','st');
+    my @ltiroles = qw(Instructor ContentDeveloper TeachingAssistant Learner);
+    my @fields = ('fullname','firstname','lastname','email','roles','user');
+    if (keys(%ordered)) {
+        my @items = sort { $a <=> $b } keys(%ordered);
+        for (my $i=0; $i<@items; $i++) {
+            $css_class = $itemcount%2?' class="LC_odd_row"':'';
+            my $item = $ordered{$items[$i]};
+            my ($title,$key,$secret,$url,$lifetime,$imgsrc,%sigsel);
+            if (ref($settings->{$item}) eq 'HASH') {
+                $title = $settings->{$item}->{'title'};
+                $url = $settings->{$item}->{'url'};
+                $key = $settings->{$item}->{'key'};
+                $secret = $settings->{$item}->{'secret'};
+                $lifetime = $settings->{$item}->{'lifetime'};
+                my $image = $settings->{$item}->{'image'};
+                if ($image ne '') {
+                    $imgsrc = '<img src="'.$image.'" alt="'.&mt('Tool Provider icon').'" />';
+                }
+                if ($settings->{$item}->{'sigmethod'} eq 'HMAC-256') {
+                    $sigsel{'HMAC-256'} = ' selected="selected"';
+                } else {
+                    $sigsel{'HMAC-SHA1'} = ' selected="selected"';
+                }
+            }
+            my $chgstr = ' onchange="javascript:reorderLTITools(this.form,'."'ltitools_".$item."'".');"';
+            $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
+                         .'<select name="ltitools_'.$item.'"'.$chgstr.'>';
+            for (my $k=0; $k<=$maxnum; $k++) {
+                my $vpos = $k+1;
+                my $selstr;
+                if ($k == $i) {
+                    $selstr = ' selected="selected" ';
+                }
+                $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+            }
+            $datatable .= '</select>'.('&nbsp;'x2).
+                '<label><input type="checkbox" name="ltitools_del" value="'.$item.'" />'.
+                &mt('Delete?').'</label></span></td>'.
+                '<td colspan="2">'.
+                '<fieldset><legend>'.&mt('Required settings').'</legend>'.
+                '<span class="LC_nobreak">'.$lt{'title'}.':<input type="text" size="20" name="ltitools_title_'.$i.'" value="'.$title.'" /></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'version'}.':<select name="ltitools_version_'.$i.'">'.
+                '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'msgtype'}.':<select name="ltitools_msgtype_'.$i.'">'.
+                '<option value="basic-lti-launch-request" selected="selected">Launch</option></select></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'sigmethod'}.':<select name="ltitools_sigmethod_'.$i.'">'.
+                '<option value="HMAC-SHA1"'.$sigsel{'HMAC-SHA1'}.'>HMAC-SHA1</option>'.
+                '<option value="HMAC-SHA256"'.$sigsel{'HMAC-SHA256'}.'>HMAC-SHA256</option></select></span>'.
+                '<br /><br />'.
+                '<span class="LC_nobreak">'.$lt{'url'}.':<input type="text" size="40" name="ltitools_url_'.$i.'"'.
+                ' value="'.$url.'" /></span>'.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'key'}.':'.
+                '<input type="text" size="25" name="ltitools_key_'.$i.'" value="'.$key.'" /></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'lifetime'}.':'.
+                '<input type="text" size="5" name="ltitools_lifetime_'.$i.'" value="'.$lifetime.'" /></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'secret'}.':'.
+                '<input type="password" size="20" name="ltitools_secret_'.$i.'" value="'.$secret.'" />'.
+                '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.ltitools_secret_'.$i.'.type='."'text'".' } else { this.form.ltitools_secret_'.$i.'.type='."'password'".' }" />'.&mt('Visible input').'</label>'.
+                '<input type="hidden" name="ltitools_id_'.$i.'" value="'.$item.'" /></span>'.
+                '</fieldset>'.
+                '<fieldset><legend>'.&mt('Optional settings').'</legend>'.
+                '<span class="LC_nobreak">'.&mt('Display target:');
+            my %currdisp;
+            if (ref($settings->{$item}->{'display'}) eq 'HASH') {
+                if ($settings->{$item}->{'display'}->{'target'} eq 'window') {
+                    $currdisp{'window'} = ' checked="checked"';
+                } elsif ($settings->{$item}->{'display'}->{'target'} eq 'tab') {
+                    $currdisp{'tab'} = ' checked="checked"';
+                } else {
+                    $currdisp{'iframe'} = ' checked="checked"';
+                }
+                if ($settings->{$item}->{'display'}->{'width'} =~ /^(\d+)$/) {
+                    $currdisp{'width'} = $1;
+                }
+                if ($settings->{$item}->{'display'}->{'height'} =~ /^(\d+)$/) {
+                     $currdisp{'height'} = $1;
+                }
+                $currdisp{'linktext'} = $settings->{$item}->{'display'}->{'linktext'};
+                $currdisp{'explanation'} = $settings->{$item}->{'display'}->{'explanation'};
+            } else {
+                $currdisp{'iframe'} = ' checked="checked"';
+            }
+            foreach my $disp ('iframe','tab','window') {
+                $datatable .= '<label><input type="radio" name="ltitools_target_'.$i.'" value="'.$disp.'"'.$currdisp{$disp}.' />'.
+                              $lt{$disp}.'</label>'.('&nbsp;'x2);
+            }
+            $datatable .= ('&nbsp;'x4);
+            foreach my $dimen ('width','height') {
+                $datatable .= '<label>'.$lt{$dimen}.'&nbsp;'.
+                              '<input type="text" name="ltitools_'.$dimen.'_'.$i.'" size="5" value="'.$currdisp{$dimen}.'" /></label>'.
+                              ('&nbsp;'x2);
+            }
+            $datatable .= '</span><br />'.
+                          '<div class="LC_left_float">'.$lt{'linktext'}.'<br />'.
+                          '<input type="text" name="ltitools_linktext_'.$i.'" size="25" value="'.$currdisp{'linktext'}.'" /></div>'.
+                          '<div class="LC_left_float">'.$lt{'explanation'}.'<br />'.
+                          '<textarea name="ltitools_explanation_'.$i.'" rows="5" cols="40">'.$currdisp{'explanation'}.
+                          '</textarea></div><div style=""></div><br />';
+            my %units = (
+                          'passback' => 'days',
+                          'roster'   => 'seconds',
+                        );
+            foreach my $extra ('passback','roster') {
+                my $validsty = 'none';
+                my $currvalid;
+                my $checkedon = '';
+                my $checkedoff = ' checked="checked"';
+                if ($settings->{$item}->{$extra}) {
+                    $checkedon = $checkedoff;
+                    $checkedoff = '';
+                    $validsty = 'inline-block';
+                    if ($settings->{$item}->{$extra.'valid'} =~ /^\d+\.?\d*$/) {
+                        $currvalid = $settings->{$item}->{$extra.'valid'};
+                    }
+                }
+                my $onclick = ' onclick="toggleLTITools(this.form,'."'$extra','$i'".');"';
+                $datatable .= '<div class="LC_floatleft"><span class="LC_nobreak">'.$lt{$extra}.'&nbsp;'.
+                              '<label><input type="radio" name="ltitools_'.$extra.'_'.$i.'" value="0"'.$checkedoff.$onclick.' />'.
+                              &mt('No').'</label>'.('&nbsp;'x2).
+                              '<label><input type="radio" name="ltitools_'.$extra.'_'.$i.'" value="1"'.$checkedon.$onclick.' />'.
+                              &mt('Yes').'</label></span></div>'.
+                              '<div class="LC_floatleft" style="display:'.$validsty.';" id="ltitools_'.$extra.'time_'.$i.'">'.
+                              '<span class="LC_nobreak">'.
+                              &mt("at least [_1] $units{$extra} after launch",
+                                  '<input type="text" name="ltitools_'.$extra.'valid_'.$i.'" value="'.$currvalid.'" />').
+                              '</span></div><div style="padding:0;clear:both;margin:0;border:0"></div>';
+            }
+            $datatable .= '<span class="LC_nobreak">'.$lt{'icon'}.':&nbsp;';
+            if ($imgsrc) {
+                $datatable .= $imgsrc.
+                              '<label><input type="checkbox" name="ltitools_image_del"'.
+                              ' value="'.$item.'" />'.&mt('Delete?').'</label></span> '.
+                              '<span class="LC_nobreak">&nbsp;'.&mt('Replace:').'&nbsp;';
+            } else {
+                $datatable .= '('.&mt('if larger than 21x21 pixels, image will be scaled').')&nbsp;';
+            }
+            if ($switchserver) {
+                $datatable .= &mt('Upload to library server: [_1]',$switchserver);
+            } else {
+                $datatable .= '<input type="file" name="ltitools_image_'.$i.'" value="" />';
+            }
+            $datatable .= '</span></fieldset>';
+            my (%checkedfields,%rolemaps,$userincdom);
+            if (ref($settings->{$item}) eq 'HASH') {
+                if (ref($settings->{$item}->{'fields'}) eq 'HASH') {
+                    %checkedfields = %{$settings->{$item}->{'fields'}};
+                }
+                $userincdom = $settings->{$item}->{'incdom'};
+                if (ref($settings->{$item}->{'roles'}) eq 'HASH') {
+                    %rolemaps = %{$settings->{$item}->{'roles'}};
+                    $checkedfields{'roles'} = 1;
+                }
+            }
+            $datatable .= '<fieldset><legend>'.&mt('User data sent on launch').'</legend>'.
+                          '<span class="LC_nobreak">';
+            my $userfieldstyle = 'display:none;';
+            my $seluserdom = '';
+            my $unseluserdom = ' selected="selected"';
+            foreach my $field (@fields) {
+                my ($checked,$onclick,$id,$spacer);
+                if ($checkedfields{$field}) {
+                    $checked = ' checked="checked"';
+                }
+                if ($field eq 'user') {
+                    $id = ' id="ltitools_user_field_'.$i.'"';
+                    $onclick = ' onclick="toggleLTITools(this.form,'."'$field','$i'".')"';
+                    if ($checked) {
+                        $userfieldstyle = 'display:inline-block';
+                        if ($userincdom) {
+                            $seluserdom = $unseluserdom;
+                            $unseluserdom = '';
+                        }
+                    }
+                } else {
+                    $spacer = ('&nbsp;' x2);
+                }
+                $datatable .= '<label>'.
+                              '<input type="checkbox" name="ltitools_fields_'.$i.'" value="'.$field.'"'.$id.$checked.$onclick.' />'.
+                              $lt{$field}.'</label>'.$spacer;
+            }
+            $datatable .= '</span>';
+            $datatable .= '<div style="'.$userfieldstyle.'" id="ltitools_user_div_'.$i.'">'.
+                          '<span class="LC_nobreak"> : '.
+                          '<select name="ltitools_userincdom_'.$i.'">'.
+                          '<option value="">'.&mt('Select').'</option>'.
+                          '<option value="0"'.$unseluserdom.'>'.&mt('username').'</option>'.
+                          '<option value="1"'.$seluserdom.'>'.&mt('username:domain').'</option>'.
+                          '</select></span></div>';
+            $datatable .= '</fieldset>'.
+                          '<fieldset><legend>'.&mt('Role mapping').'</legend><table><tr>';
+            foreach my $role (@courseroles) {
+                my ($selected,$selectnone);
+                if (!$rolemaps{$role}) {
+                    $selectnone = ' selected="selected"';
+                }
+                $datatable .= '<td style="text-align: center">'. 
+                              &Apache::lonnet::plaintext($role,'Course').'<br />'.
+                              '<select name="ltitools_roles_'.$role.'_'.$i.'">'.
+                              '<option value=""'.$selectnone.'>'.&mt('Select').'</option>';
+                foreach my $ltirole (@ltiroles) {
+                    unless ($selectnone) {
+                        if ($rolemaps{$role} eq $ltirole) {
+                            $selected = ' selected="selected"';
+                        } else {
+                            $selected = '';
+                        }
+                    }
+                    $datatable .= '<option value="'.$ltirole.'"'.$selected.'>'.$ltirole.'</option>';
+                }
+                $datatable .= '</select></td>';
+            }
+            $datatable .= '</tr></table></fieldset>';
+            my %courseconfig;
+            if (ref($settings->{$item}) eq 'HASH') {
+                if (ref($settings->{$item}->{'crsconf'}) eq 'HASH') {
+                    %courseconfig = %{$settings->{$item}->{'crsconf'}};
+                }
+            }
+            $datatable .= '<fieldset><legend>'.&mt('Configurable in course').'</legend><span class="LC_nobreak">';
+            foreach my $item ('label','title','target','linktext','explanation','append') {
+                my $checked;
+                if ($courseconfig{$item}) {
+                    $checked = ' checked="checked"';
+                }
+                $datatable .= '<label>'.
+                       '<input type="checkbox" name="ltitools_courseconfig_'.$i.'" value="'.$item.'"'.$checked.' />'.
+                       $lt{'crs'.$item}.'</label>'.('&nbsp;' x2)."\n";
+            }
+            $datatable .= '</span></fieldset>'.
+                          '<fieldset><legend>'.&mt('Custom items sent on launch').'</legend>'.
+                          '<table><tr><th>'.&mt('Action').'</th><th>'.&mt('Name').'</th><th>'.&mt('Value').'</th></tr>';
+            if (ref($settings->{$item}->{'custom'}) eq 'HASH') {
+                my %custom = %{$settings->{$item}->{'custom'}};
+                if (keys(%custom) > 0) {
+                    foreach my $key (sort(keys(%custom))) {
+                        $datatable .= '<tr><td><span class="LC_nobreak">'.
+                                      '<label><input type="checkbox" name="ltitools_customdel_'.$i.'" value="'.
+                                      $key.'" />'.&mt('Delete').'</label></span></td><td>'.$key.'</td>'.
+                                      '<td><input type="text" name="ltitools_customval_'.$key.'_'.$i.'"'.
+                                      ' value="'.$custom{$key}.'" /></td></tr>';
+                    }
+                }
+            }
+            $datatable .= '<tr><td><span class="LC_nobreak">'.
+                          '<label><input type="checkbox" name="ltitools_customadd" value="'.$i.'" />'.
+                          &mt('Add').'</label></span></td><td><input type="text" name="ltitools_custom_name_'.$i.'" />'.
+                          '</td><td><input type="text" name="ltitools_custom_value_'.$i.'" /></td></tr>';
+            $datatable .= '</table></fieldset></td></tr>'."\n";
+            $itemcount ++;
+        }
+    }
+    $css_class = $itemcount%2?' class="LC_odd_row"':'';
+    my $chgstr = ' onchange="javascript:reorderLTITools(this.form,'."'ltitools_add_pos'".');"';
+    $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
+                  '<input type="hidden" name="ltitools_maxnum" value="'.$maxnum.'" />'."\n".
+                  '<select name="ltitools_add_pos"'.$chgstr.'>';
+    for (my $k=0; $k<$maxnum+1; $k++) {
+        my $vpos = $k+1;
+        my $selstr;
+        if ($k == $maxnum) {
+            $selstr = ' selected="selected" ';
+        }
+        $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+    }
+    $datatable .= '</select>&nbsp;'."\n".
+                  '<input type="checkbox" name="ltitools_add" value="1" />'.&mt('Add').'</span></td>'."\n".
+                  '<td colspan="2">'.
+                  '<fieldset><legend>'.&mt('Required settings').'</legend>'.
+                  '<span class="LC_nobreak">'.$lt{'title'}.':<input type="text" size="20" name="ltitools_add_title" value="" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'version'}.':<select name="ltitools_add_version">'.
+                  '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'msgtype'}.':<select name="ltitools_add_msgtype">'.
+                  '<option value="basic-lti-launch-request" selected="selected">Launch</option></select></span> '.
+                  '<span class="LC_nobreak">'.$lt{'sigmethod'}.':<select name="ltitools_add_sigmethod">'.
+                  '<option value="HMAC-SHA1" selected="selected">HMAC-SHA1</option>'.
+                  '<option value="HMAC-SHA256">HMAC-SHA256</option></select></span>'.
+                  '<br />'.
+                  '<span class="LC_nobreak">'.$lt{'url'}.':<input type="text" size="40" name="ltitools_add_url" value="" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'key'}.':<input type="text" size="25" name="ltitools_add_key" value="" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" size="5" name="ltitools_add_lifetime" value="300" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'secret'}.':<input type="password" size="20" name="ltitools_add_secret" value="" />'.
+                  '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.ltitools_add_secret.type='."'text'".' } else { this.form.ltitools_add_secret.type='."'password'".' }" />'.&mt('Visible input').'</label></span> '."\n".
+                  '</fieldset>'.
+                  '<fieldset><legend>'.&mt('Optional settings').'</legend>'.
+                  '<span class="LC_nobreak">'.&mt('Display target:');
+    my %defaultdisp;
+    $defaultdisp{'iframe'} = ' checked="checked"';
+    foreach my $disp ('iframe','tab','window') {
+        $datatable .= '<label><input type="radio" name="ltitools_add_target" value="'.$disp.'"'.$defaultdisp{$disp}.' />'.
+                      $lt{$disp}.'</label>'.('&nbsp;'x2);
+    }
+    $datatable .= ('&nbsp;'x4);
+    foreach my $dimen ('width','height') {
+        $datatable .= '<label>'.$lt{$dimen}.'&nbsp;'.
+                      '<input type="text" name="ltitools_add_'.$dimen.'" size="5" /></label>'.
+                      ('&nbsp;'x2);
+    }
+    $datatable .= '</span><br />'.
+                  '<div class="LC_left_float">'.$lt{'linktext'}.'<br />'.
+                  '<input type="text" name="ltitools_add_linktext" size="5" /></div>'.
+                  '<div class="LC_left_float">'.$lt{'explanation'}.'<br />'.
+                  '<textarea name="ltitools_add_explanation" rows="5" cols="40"></textarea>'.
+                  '</div><div style=""></div><br />';
+    my %units = (
+                  'passback' => 'days',
+                  'roster'   => 'seconds',
+                );
+    my %defaulttimes = (
+                     'passback' => '7',
+                     'roster'   => '300',
+                   );
+    foreach my $extra ('passback','roster') {
+        my $onclick = ' onclick="toggleLTITools(this.form,'."'$extra','add'".');"';
+        $datatable .= '<div class="LC_floatleft"><span class="LC_nobreak">'.$lt{$extra}.'&nbsp;'.
+                      '<label><input type="radio" name="ltitools_'.$extra.'_add" value="0" checked="checked"'.$onclick.' />'.
+                      &mt('No').'</label></span>'.('&nbsp;'x2).'<span class="LC_nobreak">'.
+                      '<label><input type="radio" name="ltitools_'.$extra.'_add" value="1"'.$onclick.' />'.
+                      &mt('Yes').'</label></span></div>'.
+                      '<div class="LC_floatleft" style="display:none;" id="ltitools_'.$extra.'time_add">'.
+                      '<span class="LC_nobreak">'.
+                      &mt("at least [_1] $units{$extra} after launch",
+                          '<input type="text" name="ltitools_'.$extra.'valid_add" value="'.$defaulttimes{$extra}.'" />').
+                      '</span></div><div style="padding:0;clear:both;margin:0;border:0"></div>';
+    }
+    $datatable .= '<span class="LC_nobreak">'.$lt{'icon'}.':&nbsp;'.
+                  '('.&mt('if larger than 21x21 pixels, image will be scaled').')&nbsp;';
+    if ($switchserver) {
+        $datatable .= &mt('Upload to library server: [_1]',$switchserver);
+    } else {
+        $datatable .= '<input type="file" name="ltitools_add_image" value="" />';
+    }
+    $datatable .= '</span></fieldset>'.
+                  '<fieldset><legend>'.&mt('User data sent on launch').'</legend>'.
+                  '<span class="LC_nobreak">';
+    foreach my $field (@fields) {
+        my ($id,$onclick,$spacer);
+        if ($field eq 'user') {
+            $id = ' id="ltitools_user_field_add"';
+            $onclick = ' onclick="toggleLTITools(this.form,'."'$field','add'".')"';
+        } else {
+            $spacer = ('&nbsp;' x2);
+        }
+        $datatable .= '<label>'.
+                      '<input type="checkbox" name="ltitools_add_fields" value="'.$field.'"'.$id.$onclick.' />'.
+                      $lt{$field}.'</label>'.$spacer;
+    }
+    $datatable .= '</span>'.
+                  '<div style="display:none;" id="ltitools_user_div_add">'.
+                  '<span class="LC_nobreak"> : '.
+                  '<select name="ltitools_userincdom_add">'.
+                  '<option value="" selected="selected">'.&mt('Select').'</option>'.
+                  '<option value="0">'.&mt('username').'</option>'.
+                  '<option value="1">'.&mt('username:domain').'</option>'.
+                  '</select></span></div></fieldset>';
+    $datatable .= '<fieldset><legend>'.&mt('Role mapping').'</legend><table><tr>';
+    foreach my $role (@courseroles) {
+        my ($checked,$checkednone);
+        $datatable .= '<td style="text-align: center">'.
+                      &Apache::lonnet::plaintext($role,'Course').'<br />'.
+                      '<select name="ltitools_add_roles_'.$role.'">'.
+                      '<option value="" selected="selected">'.&mt('Select').'</option>';
+        foreach my $ltirole (@ltiroles) {
+            $datatable .= '<option value="'.$ltirole.'">'.$ltirole.'</option>';
+        }
+        $datatable .= '</select></td>';
+    }
+    $datatable .= '</tr></table></fieldset>'.
+                  '<fieldset><legend>'.&mt('Configurable in course').'</legend><span class="LC_nobreak">';
+    foreach my $item ('label','title','target','linktext','explanation','append') {
+        $datatable .= '<label>'.
+                      '<input type="checkbox" name="ltitools_courseconfig" value="'.$item.'" checked="checked" />'.
+                      $lt{'crs'.$item}.'</label>'.('&nbsp;' x2)."\n";
+    }
+    $datatable .= '</span></fieldset>'.
+                  '<fieldset><legend>'.&mt('Custom items sent on launch').'</legend>'.
+                  '<table><tr><th>'.&mt('Action').'</th><th>'.&mt('Name').'</th><th>'.&mt('Value').'</th></tr>'.
+                  '<tr><td><span class="LC_nobreak">'.
+                  '<label><input type="checkbox" name="ltitools_add_custom" value="1" />'.
+                  &mt('Add').'</label></span></td><td><input type="text" name="ltitools_add_custom_name" />'.
+                  '</td><td><input type="text" name="ltitools_add_custom_value" /></td></tr>'.
+                  '</table></fieldset>'."\n".
+                  '</td>'."\n".
+                  '</tr>'."\n";
+    $itemcount ++;
+    return $datatable;
+}
+
+sub ltitools_names {
+    my %lt = &Apache::lonlocal::texthash(
+                                          'title'          => 'Title',
+                                          'version'        => 'Version',
+                                          'msgtype'        => 'Message Type',
+                                          'sigmethod'      => 'Signature Method',
+                                          'url'            => 'URL',
+                                          'key'            => 'Key',
+                                          'lifetime'       => 'Nonce lifetime (s)',
+                                          'secret'         => 'Secret',
+                                          'icon'           => 'Icon',   
+                                          'user'           => 'User',
+                                          'fullname'       => 'Full Name',
+                                          'firstname'      => 'First Name',
+                                          'lastname'       => 'Last Name',
+                                          'email'          => 'E-mail',
+                                          'roles'          => 'Role',
+                                          'window'         => 'Window',
+                                          'tab'            => 'Tab',
+                                          'iframe'         => 'iFrame',
+                                          'height'         => 'Height',
+                                          'width'          => 'Width',
+                                          'linktext'       => 'Default Link Text',
+                                          'explanation'    => 'Default Explanation',
+                                          'passback'       => 'Tool can return grades:',
+                                          'roster'         => 'Tool can retrieve roster:',
+                                          'crstarget'      => 'Display target',
+                                          'crslabel'       => 'Course label',
+                                          'crstitle'       => 'Course title', 
+                                          'crslinktext'    => 'Link Text',
+                                          'crsexplanation' => 'Explanation',
+                                          'crsappend'      => 'Provider URL',
+                                        );
+    return %lt;
+}
+
+sub print_lti {
+    my ($dom,$settings,$rowtotal) = @_;
+    my $itemcount = 1;
+    my $maxnum = 0;
+    my $css_class;
+    my %ordered;
+    if (ref($settings) eq 'HASH') {
+        foreach my $item (keys(%{$settings})) {
+            if (ref($settings->{$item}) eq 'HASH') {
+                my $num = $settings->{$item}{'order'};
+                $ordered{$num} = $item;
+            }
+        }
+    }
+    my $maxnum = scalar(keys(%ordered));
+    my $datatable;
+    my %lt = &lti_names();
+    if (keys(%ordered)) {
+        my @items = sort { $a <=> $b } keys(%ordered);
+        for (my $i=0; $i<@items; $i++) {
+            $css_class = $itemcount%2?' class="LC_odd_row"':'';
+            my $item = $ordered{$items[$i]};
+            my ($key,$secret,$lifetime,$consumer,$requser,$current);
+            if (ref($settings->{$item}) eq 'HASH') {
+                $key = $settings->{$item}->{'key'};
+                $secret = $settings->{$item}->{'secret'};
+                $lifetime = $settings->{$item}->{'lifetime'};
+                $consumer = $settings->{$item}->{'consumer'};
+                $requser = $settings->{$item}->{'requser'};
+                $current = $settings->{$item};
+            }
+            my $onclickrequser = ' onclick="toggleLTI(this.form,'."'requser','$i'".');"';
+            my %checkedrequser = (
+                                   yes => ' checked="checked"',
+                                   no  => '',
+                                 );
+            if (!$requser) {
+                $checkedrequser{'no'} = $checkedrequser{'yes'};
+                $checkedrequser{'yes'} = '';
+            } 
+            my $chgstr = ' onchange="javascript:reorderLTI(this.form,'."'lti_pos_".$item."'".');"';
+            $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
+                         .'<select name="lti_pos_'.$item.'"'.$chgstr.'>';
+            for (my $k=0; $k<=$maxnum; $k++) {
+                my $vpos = $k+1;
+                my $selstr;
+                if ($k == $i) {
+                    $selstr = ' selected="selected" ';
+                }
+                $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+            }
+            $datatable .= '</select>'.('&nbsp;'x2).
+                '<label><input type="checkbox" name="lti_del" value="'.$item.'" />'.
+                &mt('Delete?').'</label></span></td>'.
+                '<td colspan="2">'.
+                '<fieldset><legend>'.&mt('Required settings').'</legend>'.
+                '<span class="LC_nobreak">'.$lt{'consumer'}.
+                ':<input type="text" size="15" name="lti_consumer_'.$i.'" value="'.$consumer.'" /></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'version'}.':<select name="lti_version_'.$i.'">'.
+                '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" name="lti_lifetime_'.$i.'"'.
+                'value="'.$lifetime.'" size="3" /></span>'.
+                ('&nbsp;'x2).
+                 '<span class="LC_nobreak">'.$lt{'requser'}.':'.
+                 '<label><input type="radio" name="lti_requser_'.$i.'" value="1"'.$onclickrequser.$checkedrequser{yes}.' />'.&mt('Yes').'</label>&nbsp;'."\n".
+                 '<label><input type="radio" name="lti_requser_'.$i.'" value="0"'.$onclickrequser.$checkedrequser{no}.' />'.&mt('No').'</label></span>'."\n".
+                '<br /><br />'.
+                '<span class="LC_nobreak">'.$lt{'key'}.
+                ':<input type="text" size="25" name="lti_key_'.$i.'" value="'.$key.'" /></span> '.
+                ('&nbsp;'x2).
+                '<span class="LC_nobreak">'.$lt{'secret'}.':'.
+                '<input type="password" size="20" name="lti_secret_'.$i.'" value="'.$secret.'" />'.
+                '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.lti_secret_'.$i.'.type='."'text'".' } else { this.form.lti_secret_'.$i.'.type='."'password'".' }" />'.&mt('Visible input').'</label>'.
+                '<input type="hidden" name="lti_id_'.$i.'" value="'.$item.'" /></span>'.
+                '</fieldset>'.&lti_options($i,$current,$itemcount,%lt).'</td></tr>';
+            $itemcount ++;
+        }
+    }
+    $css_class = $itemcount%2?' class="LC_odd_row"':'';
+    my $chgstr = ' onchange="javascript:reorderLTI(this.form,'."'lti_pos_add'".');"';
+    $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
+                  '<input type="hidden" name="lti_maxnum" value="'.$maxnum.'" />'."\n".
+                  '<select name="lti_pos_add"'.$chgstr.'>';
+    for (my $k=0; $k<$maxnum+1; $k++) {
+        my $vpos = $k+1;
+        my $selstr;
+        if ($k == $maxnum) {
+            $selstr = ' selected="selected" ';
+        }
+        $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
+    }
+    $datatable .= '</select>&nbsp;'."\n".
+                  '<input type="checkbox" name="lti_add" value="1" />'.&mt('Add').'</span></td>'."\n".
+                  '<td colspan="2">'.
+                  '<fieldset><legend>'.&mt('Required settings').'</legend>'.
+                  '<span class="LC_nobreak">'.$lt{'consumer'}.
+                  ':<input type="text" size="15" name="lti_consumer_add" value="" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'version'}.':<select name="lti_version_add">'.
+                  '<option value="LTI-1p0" selected="selected">1.1</option></select></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'lifetime'}.':<input type="text" size="3" name="lti_lifetime_add" value="300" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'requser'}.':'.
+                  '<label><input type="radio" name="lti_requser_add" value="1" onclick="toggleLTI(this.form,'."'requser','add'".');" checked="checked" />'.&mt('Yes').'</label>&nbsp;'."\n".
+                  '<label><input type="radio" name="lti_requser_add" value="0" onclick="toggleLTI(this.form,'."'requser','add'".');" />'.&mt('No').'</label></span>'."\n".
+                  '<br /><br />'.
+                  '<span class="LC_nobreak">'.$lt{'key'}.':<input type="text" size="25" name="lti_key_add" value="" /></span> '."\n".
+                  ('&nbsp;'x2).
+                  '<span class="LC_nobreak">'.$lt{'secret'}.':<input type="password" size="20" name="lti_secret_add" value="" />'.
+                  '<label><input type="checkbox" name="visible" onclick="if (this.checked) { this.form.lti_secret_add.type='."'text'".' } else { this.form.lti_secret_add.type='."'password'".' }" />'.&mt('Visible input').'</label></span> '."\n".
+                  '</fieldset>'.&lti_options('add',undef,$itemcount,%lt).
+                  '</td>'."\n".
+                  '</tr>'."\n";
+    $$rowtotal ++;
+    return $datatable;;
+}
+
+sub lti_names {
+    my %lt = &Apache::lonlocal::texthash(
+                                          'version'   => 'LTI Version',
+                                          'url'       => 'URL',
+                                          'key'       => 'Key',
+                                          'lifetime'  => 'Nonce lifetime (s)',
+                                          'consumer'  => 'Consumer',
+                                          'secret'    => 'Secret',
+                                          'requser'   => "User's identity sent",
+                                          'email'     => 'Email address',
+                                          'sourcedid' => 'User ID',
+                                          'other'     => 'Other',
+                                          'passback'  => 'Can return grades to Consumer:',
+                                          'roster'    => 'Can retrieve roster from Consumer:',
+                                          'topmenu'   => 'Display LON-CAPA page header',
+                                          'inlinemenu'=> 'Display LON-CAPA inline menu',
+                                        );
+    return %lt;
+}
+
+sub lti_options {
+    my ($num,$current,$itemcount,%lt) = @_;
+    my (%checked,%rolemaps,$crssecsrc,$userfield,$cidfield);
+    $checked{'mapuser'}{'sourcedid'} = ' checked="checked"';
+    $checked{'mapcrs'}{'course_offering_sourcedid'} = ' checked="checked"';
+    $checked{'makecrs'}{'N'} = '  checked="checked"';
+    $checked{'mapcrstype'} = {};
+    $checked{'makeuser'} = {};
+    $checked{'selfenroll'} = {};
+    $checked{'crssec'} = {};
+    $checked{'crssecsrc'} = {};
+    $checked{'lcauth'} = {};
+    $checked{'menuitem'} = {};
+    if ($num eq 'add') {
+        $checked{'lcauth'}{'lti'} = ' checked="checked"';
+    }
+    my $userfieldsty = 'none';
+    my $crsfieldsty = 'none';
+    my $crssecfieldsty = 'none';
+    my $secsrcfieldsty = 'none';
+    my $passbacksty = 'none';
+    my $optionsty = 'block';
+    my $lcauthparm;
+    my $lcauthparmstyle = 'display:none';
+    my $lcauthparmtext;
+    my $menusty;
+    my $numinrow = 4;
+    my %menutitles = &ltimenu_titles();
+
+    if (ref($current) eq 'HASH') {
+        if (!$current->{'requser'}) {
+            $optionsty = 'none';
+        }
+        if (($current->{'mapuser'} ne '') && ($current->{'mapuser'} ne 'lis_person_sourcedid')) {
+            $checked{'mapuser'}{'sourcedid'} = '';
+            if ($current->{'mapuser'} eq 'lis_person_contact_email_primary') {
+                $checked{'mapuser'}{'email'} = ' checked="checked"'; 
+            } else {
+                $checked{'mapuser'}{'other'} = ' checked="checked"';
+                $userfield = $current->{'mapuser'};
+                $userfieldsty = 'inline-block';
+            }
+        }
+        if (($current->{'mapcrs'} ne '') && ($current->{'mapcrs'} ne 'course_offering_sourcedid')) {
+            $checked{'mapcrs'}{'course_offering_sourcedid'} = '';
+            if ($current->{'mapcrs'} eq 'context_id') {
+                $checked{'mapcrs'}{'context_id'} = ' checked="checked"'; 
+            } else {
+                $checked{'mapcrs'}{'other'} = ' checked="checked"';
+                $cidfield = $current->{'mapcrs'};
+                $crsfieldsty = 'inline-block';
+            }
+        }
+        if (ref($current->{'mapcrstype'}) eq 'ARRAY') {
+            foreach my $type (@{$current->{'mapcrstype'}}) {
+                $checked{'mapcrstype'}{$type} = ' checked="checked"';
+            }
+        }
+        if ($current->{'makecrs'}) {
+            $checked{'makecrs'}{'Y'} = '  checked="checked"';
+        }
+        if (ref($current->{'makeuser'}) eq 'ARRAY') {
+            foreach my $role (@{$current->{'makeuser'}}) {
+                $checked{'makeuser'}{$role} = ' checked="checked"';
+            }
+        }
+        if ($current->{'lcauth'} =~ /^(internal|localauth|krb4|krb5|lti)$/) {
+            $checked{'lcauth'}{$1} = ' checked="checked"';
+            unless (($current->{'lcauth'} eq 'lti') || ($current->{'lcauth'} eq 'internal')) {
+                $lcauthparm = $current->{'lcauthparm'};
+                $lcauthparmstyle = 'display:table-row'; 
+                if ($current->{'lcauth'} eq 'localauth') {
+                    $lcauthparmtext = &mt('Local auth argument');
+                } else {
+                    $lcauthparmtext = &mt('Kerberos domain');
+                }
+            }
+        }
+        if (ref($current->{'selfenroll'}) eq 'ARRAY') {
+            foreach my $role (@{$current->{'selfenroll'}}) {
+                $checked{'selfenroll'}{$role} = ' checked="checked"';
+            }
+        }
+        if (ref($current->{'maproles'}) eq 'HASH') {
+            %rolemaps = %{$current->{'maproles'}};
+        }
+        if ($current->{'section'} ne '') {
+            $checked{'crssec'}{'Y'} = '  checked="checked"'; 
+            $crssecfieldsty = 'inline-block';
+            if ($current->{'section'} eq 'course_section_sourcedid') {
+                $checked{'crssecsrc'}{'sourcedid'} = ' checked="checked"';
+            } else {
+                $checked{'crssecsrc'}{'other'} = ' checked="checked"';
+                $crssecsrc = $current->{'section'};
+                $secsrcfieldsty = 'inline-block';
+            }
+        } else {
+            $checked{'crssec'}{'N'} = ' checked="checked"';
+        }
+        if ($current->{'topmenu'}) {
+            $checked{'topmenu'}{'Y'} = ' checked="checked"';
+        } else {
+            $checked{'topmenu'}{'N'} = ' checked="checked"';
+        }
+        if ($current->{'inlinemenu'}) {
+            $checked{'inlinemenu'}{'Y'} = ' checked="checked"';
+        } else {
+            $checked{'inlinemenu'}{'N'} = ' checked="checked"';
+        }
+        if (($current->{'topmenu'}) || ($current->{'inlinemenu'})) {
+            $menusty = 'inline-block';
+            if (ref($current->{'lcmenu'}) eq 'ARRAY') {
+                foreach my $item (@{$current->{'lcmenu'}}) {
+                    if (exists($menutitles{$item})) {
+                        $checked{'menuitem'}{$item} = ' checked="checked"';
+                    }
+                }
+            }
+        } else {
+            $menusty = 'none';
+        }
+    } else {
+        $checked{'makecrs'}{'N'} = ' checked="checked"';
+        $checked{'crssec'}{'N'} = ' checked="checked"';
+        $checked{'topmenu'}{'N'} = ' checked="checked"';
+        $checked{'inlinemenu'}{'Y'} = ' checked="checked"'; 
+        $checked{'menuitem'}{'grades'} = ' checked="checked"';
+        $menusty = 'inline-block'; 
+    }
+    my @coursetypes = ('official','unofficial','community','textbook','placement','lti');
+    my %coursetypetitles = &Apache::lonlocal::texthash (
+                               official   => 'Official',
+                               unofficial => 'Unofficial',
+                               community  => 'Community',
+                               textbook   => 'Textbook',
+                               placement  => 'Placement Test',
+                               lti        => 'LTI Provider',
+    );
+    my @authtypes = ('internal','krb4','krb5','localauth');
+    my %shortauth = (
+                     internal => 'int',
+                     krb4 => 'krb4',
+                     krb5 => 'krb5',
+                     localauth  => 'loc'
+                    );
+    my %authnames = &authtype_names();
+    my @ltiroles = qw(Learner Instructor ContentDeveloper TeachingAssistant Mentor Member Manager Administrator);
+    my @lticourseroles = qw(Learner Instructor TeachingAssistant Mentor);
+    my @courseroles = ('cc','in','ta','ep','st');
+    my $onclickuser = ' onclick="toggleLTI(this.form,'."'user','$num'".');"';
+    my $onclickcrs = ' onclick="toggleLTI(this.form,'."'crs','$num'".');"';
+    my $onclicksec = ' onclick="toggleLTI(this.form,'."'sec','$num'".');"';
+    my $onclicksecsrc = ' onclick="toggleLTI(this.form,'."'secsrc','$num'".')"';
+    my $onclicklcauth = ' onclick="toggleLTI(this.form,'."'lcauth','$num'".')"';
+    my $onclickmenu = ' onclick="toggleLTI(this.form,'."'lcmenu','$num'".');"';
+    my $output = '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Mapping users').'</legend>'.
+                 '<div class="LC_floatleft"><span class="LC_nobreak">'.&mt('LON-CAPA username').':&nbsp;';
+    foreach my $option ('sourcedid','email','other') {
+        $output .= '<label><input type="radio" name="lti_mapuser_'.$num.'" value="'.$option.'"'.
+                   $checked{'mapuser'}{$option}.$onclickuser.' />'.$lt{$option}.'</label>'.
+                   ($option eq 'other' ? '' : ('&nbsp;'x2) );
+    }
+    $output .= '</span></div>'.
+               '<div class="LC_floatleft" style="display:'.$userfieldsty.';" id="lti_userfield_'.$num.'">'.
+               '<input type="text" name="lti_customuser_'.$num.'" '.
+               'value="'.$userfield.'" /></div></fieldset>'. 
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Mapping course roles').'</legend><table><tr>';
+    foreach my $ltirole (@lticourseroles) {
+        my ($selected,$selectnone);
+        if ($rolemaps{$ltirole} eq '') {
+            $selectnone = ' selected="selected"';
+        }
+        $output .= '<td style="text-align: center">'.$ltirole.'<br />'.
+                   '<select name="lti_maprole_'.$ltirole.'_'.$num.'">'.
+                   '<option value=""'.$selectnone.'>'.&mt('Select').'</option>';
+        foreach my $role (@courseroles) {
+            unless ($selectnone) {
+                if ($rolemaps{$ltirole} eq $role) {
+                    $selected = ' selected="selected"';
+                } else {
+                    $selected = '';
+                }
+            }
+            $output .= '<option value="'.$role.'"'.$selected.'>'.
+                       &Apache::lonnet::plaintext($role,'Course').
+                       '</option>';
+        }
+        $output .= '</select></td>';
+    }
+    $output .= '</tr></table></fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Roles which may create user accounts').'</legend>';
+    foreach my $ltirole (@ltiroles) {
+        $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="lti_makeuser_'.$num.'" value="'.$ltirole.'"'.
+                   $checked{'makeuser'}{$ltirole}.' />'.$ltirole.'</label>&nbsp;</span> ';     
+    }
+    $output .= '</fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('New user accounts created for LTI users').'</legend>'.
+               '<table>'.
+               &modifiable_userdata_row('lti','instdata_'.$num,$current,$numinrow,$itemcount).
+               '</table>'.
+               '<table class="LC_nested"><tr><td class="LC_left_item">LON-CAPA Authentication</td>'.
+               '<td class="LC_left_item">';
+    foreach my $auth ('lti',@authtypes) {
+        my $authtext;
+        if ($auth eq 'lti') {
+            $authtext = &mt('None');
+        } else {
+            $authtext = $authnames{$shortauth{$auth}};
+        }
+        $output .= '<span class="LC_nobreak"><label><input type="radio" name="lti_lcauth_'.$num.
+                   '" value="'.$auth.'"'.$checked{'lcauth'}{$auth}.$onclicklcauth.' />'.
+                   $authtext.'</label></span> &nbsp;';
+    }
+    $output .= '</td></tr>'.
+               '<tr id="lti_lcauth_parmrow_'.$num.'" style="'.$lcauthparmstyle.'">'.
+               '<td class="LC_right_item" colspan="2"><span class="LC_nobreak">'.
+               '<span id="lti_lcauth_parmtext_'.$num.'">'.$lcauthparmtext.'</span>'.
+               '<input type="text" name="lti_lcauthparm_'.$num.'" value="" /></span></td></tr>'.
+               '</table></fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Mapping courses').'</legend>'.
+               '<div class="LC_floatleft"><span class="LC_nobreak">'.
+               &mt('Unique course identifier').':&nbsp;';
+    foreach my $option ('course_offering_sourcedid','context_id','other') {
+        $output .= '<label><input type="radio" name="lti_mapcrs_'.$num.'" value="'.$option.'"'.
+                   $checked{'mapcrs'}{$option}.$onclickcrs.' />'.$option.'</label>'.
+                   ($option eq 'other' ? '' : ('&nbsp;'x2) );
+    }
+    $output .= '</span></div><div class="LC_floatleft" style="display:'.$crsfieldsty.';" id="lti_crsfield_'.$num.'">'.
+               '<input type="text" name="lti_mapcrsfield_'.$num.'" value="'.$cidfield.'" />'.
+               '</div><div style="padding:0;clear:both;margin:0;border:0"></div>'.
+               '<span class="LC_nobreak">'.&mt('LON-CAPA course type(s)').':&nbsp;';
+    foreach my $type (@coursetypes) {
+        $output .= '<label><input type="checkbox" name="lti_mapcrstype_'.$num.'" value="'.$type.'"'.
+                   $checked{'mapcrstype'}{$type}.' />'.$coursetypetitles{$type}.'</label>'.
+                   ('&nbsp;'x2);
+    }
+    $output .= '</span></fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Creating courses').'</legend>'.
+               '<span class="LC_nobreak">'.&mt('Course created (if absent) on Instructor access').':&nbsp;'.
+               '<label><input type="radio" name="lti_makecrs_'.$num.'" value="0"'.
+               $checked{'makecrs'}{'N'}.' />'.&mt('No').'</label>'.('&nbsp;'x2).
+               '<label><input type="radio" name="lti_makecrs_'.$num.'" value="1"'.
+               $checked{'makecrs'}{'Y'}.' />'.&mt('Yes').'</label></span>'.
+               '</fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Roles which may self-enroll').'</legend>';
+    foreach my $lticrsrole (@lticourseroles) {
+        $output .= '<span class="LC_nobreak"><label><input type="checkbox" name="lti_selfenroll_'.$num.'" value="'.$lticrsrole.'"'.
+                   $checked{'selfenroll'}{$lticrsrole}.' />'.$lticrsrole.'</label>&nbsp;</span> ';
+    }
+    $output .= '</fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Course options').'</legend>'.
+               '<div class="LC_floatleft"><span class="LC_nobreak">'.&mt('Assign users to sections').':&nbsp;'.
+               '<label><input type="radio" name="lti_crssec_'.$num.'" value="0"'.
+               $checked{'crssec'}{'N'}.$onclicksec.' />'.&mt('No').'</label>'.('&nbsp;'x2).
+               '<label><input type="radio" name="lti_crssec_'.$num.'" value="1"'.
+               $checked{'crssec'}{'Y'}.$onclicksec.' />'.&mt('Yes').'</label></span></div>'.
+               '<div class="LC_floatleft" style="display:'.$crssecfieldsty.';" id="lti_crssecfield_'.$num.'">'.
+               '<span class="LC_nobreak">'.&mt('From').':<label>'.
+               '<input type="radio" name="lti_crssecsrc_'.$num.'" value="course_section_sourcedid"'.
+               $checked{'crssecsrc'}{'sourcedid'}.$onclicksecsrc.' />'.
+               &mt('Standard field').'</label>'.('&nbsp;'x2).
+               '<label><input type="radio" name="lti_crssecsrc_'.$num.'" value="other"'.
+               $checked{'crssecsrc'}{'other'}.$onclicksecsrc.' />'.&mt('Other').
+               '</label></span></div><div class="LC_floatleft" style="display:'.$secsrcfieldsty.';" id="lti_secsrcfield_'.$num.'">'.
+               '<input type="text" name="lti_customsection_'.$num.'" value="'.$crssecsrc.'" />'.
+               '</div><div style="padding:0;clear:both;margin:0;border:0"></div>';
+    my ($pb1p1chk,$pb1p0chk,$onclickpb);
+    foreach my $extra ('roster','passback') {
+        my $checkedon = '';
+        my $checkedoff = ' checked="checked"';
+        if ($extra eq 'passback') {
+            $pb1p1chk = ' checked="checked"';
+            $pb1p0chk = '';
+            $onclickpb = ' onclick="toggleLTI(this.form,'."'passback','$num'".');"'; 
+        } else {
+            $onclickpb = ''; 
+        }
+        if (ref($current) eq 'HASH') {
+            if (($current->{$extra})) {
+                $checkedon = $checkedoff;
+                $checkedoff = '';
+                if ($extra eq 'passback') {
+                    $passbacksty = 'inline-block';
+                }
+                if ($current->{'passbackformat'} eq '1.0') {
+                    $pb1p0chk =  ' checked="checked"';
+                    $pb1p1chk = '';
+                }
+            }
+        }
+        $output .= $lt{$extra}.'&nbsp;'.
+                   '<label><input type="radio" name="lti_'.$extra.'_'.$num.'" value="0"'.$checkedoff.$onclickpb.' />'.
+                   &mt('No').'</label>'.('&nbsp;'x2).
+                   '<label><input type="radio" name="lti_'.$extra.'_'.$num.'" value="1"'.$checkedon.$onclickpb.' />'.
+                   &mt('Yes').'</label><br />';
+    }
+    $output .= '<div class="LC_floatleft" style="display:'.$passbacksty.';" id="lti_passback_'.$num.'">'.
+               '<span class="LC_nobreak">'.&mt('Grade format').
+               '<label><input type="radio" name="lti_passbackformat_'.$num.'" value="1.1"'.$pb1p1chk.' />'.
+               &mt('Outcomes Service (1.1)').'</label>'.('&nbsp;'x2).
+               '<label><input type="radio" name="lti_passbackformat_'.$num.'" value="1.0"'.$pb1p0chk.'/>'.
+               &mt('Outcomes Extension (1.0)').'</label></span></div></fieldset>'.
+               '<fieldset class="ltioption_'.$num.'" style="display:'.$optionsty.'"><legend>'.&mt('Course defaults (Course Coordinator can override)').'</legend>'.
+               '<div class="LC_floatleft"><span class="LC_nobreak">'.$lt{'topmenu'}.':&nbsp;'.
+               '<label><input type="radio" name="lti_topmenu_'.$num.'" value="0"'.
+               $checked{'topmenu'}{'N'}.$onclickmenu.' />'.&mt('No').'</label>'.('&nbsp;'x2).
+               '<label><input type="radio" name="lti_topmenu_'.$num.'" value="1"'.
+               $checked{'topmenu'}{'Y'}.$onclickmenu.' />'.&mt('Yes').'</label></span></div>'.
+               '<div style="padding:0;clear:both;margin:0;border:0"></div>'.
+               '<div class="LC_floatleft"><span class="LC_nobreak">'.$lt{'inlinemenu'}.':&nbsp;'.
+               '<label><input type="radio" name="lti_inlinemenu_'.$num.'" value="0"'.
+               $checked{'inlinemenu'}{'N'}.$onclickmenu.' />'.&mt('No').'</label>'.('&nbsp;'x2).
+               '<label><input type="radio" name="lti_inlinemenu_'.$num.'" value="1"'.
+               $checked{'inlinemenu'}{'Y'}.$onclickmenu.' />'.&mt('Yes').'</label></span></div>';
+     $output .='<div style="padding:0;clear:both;margin:0;border:0"></div>'. 
+               '<div class="LC_floatleft" style="display:'.$menusty.';" id="lti_menufield_'.$num.'">'.
+               '<span class="LC_nobreak">'.&mt('Menu items').':&nbsp;';
+    foreach my $type ('fullname','coursetitle','role','logout','grades') {
+        $output .= '<label><input type="checkbox" name="lti_menuitem_'.$num.'" value="'.$type.'"'.
+                   $checked{'menuitem'}{$type}.' />'.$menutitles{$type}.'</label>'.
+                   ('&nbsp;'x2);
+    }
+    $output .= '</span></div></fieldset>';
+#        '<fieldset><legend>'.&mt('Assigning author roles').'</legend>';
+#
+#    $output .= '</fieldset>'.
+#        '<fieldset><legend>'.&mt('Assigning domain roles').'</legend>';
+    return $output;
+}
+
+sub ltimenu_titles {
+    return &Apache::lonlocal::texthash(
+                                        fullname    => 'Full name',
+                                        coursetitle => 'Course title',
+                                        role        => 'Role',
+                                        logout      => 'Logout',
+                                        grades      => 'Grades',
+    );
+}
+
 sub print_coursedefaults {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my ($css_class,$datatable,%checkedon,%checkedoff,%defaultchecked,@toggles);
     my $itemcount = 1;
     my %choices =  &Apache::lonlocal::texthash (
+        canuse_pdfforms      => 'Course/Community users can create/upload PDF forms',
         uploadquota          => 'Default quota for files uploaded directly to course/community using Course Editor (MB)',
         anonsurvey_threshold => 'Responder count needed before showing submissions for anonymous surveys',
         coursecredits        => 'Credits can be specified for courses',
         uselcmath            => 'Math preview uses LON-CAPA previewer (javascript) in place of DragMath (Java)',
         usejsme              => 'Molecule editor uses JSME (HTML5) in place of JME (Java)',
-        inline_chem          => 'Use inline previewer for chemical reaction response in place of pop-up',
         texengine            => 'Default method to display mathematics',
         postsubmit           => 'Disable submit button/keypress following student submission',
         canclone             => "People who may clone a course (besides course's owner and coordinators)",
         mysqltables          => 'Lifetime (s) of "Temporary" MySQL tables (student performance data) on homeserver',
     );
     my %staticdefaults = (
+                           texengine            => 'MathJax',
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
                            postsubmit           => 60,
@@ -4539,13 +5280,13 @@ sub print_coursedefaults {
                          );
     if ($position eq 'top') {
         %defaultchecked = (
+                            'canuse_pdfforms' => 'off',
                             'uselcmath'       => 'on',
                             'usejsme'         => 'on',
-                            'inline_chem'     => 'on',
                             'canclone'        => 'none',
                           );
-        @toggles = ('uselcmath','usejsme','inline_chem');
-        my $deftex = $Apache::lonnet::deftex;
+        @toggles = ('canuse_pdfforms','uselcmath','usejsme');
+        my $deftex = $staticdefaults{'texengine'};
         if (ref($settings) eq 'HASH') {
             if ($settings->{'texengine'}) {
                 if ($settings->{'texengine'} =~ /^(MathJax|mimetex|tth)$/) {
@@ -4577,13 +5318,13 @@ sub print_coursedefaults {
         $datatable = $mathdisp.$datatable;
         $css_class = $itemcount%2?' class="LC_odd_row"':'';
         $datatable .=
-            '<tr'.$css_class.'><td valign="top">'.
+            '<tr'.$css_class.'><td style="vertical-align: top">'.
             '<span class="LC_nobreak">'.$choices{'canclone'}.
             '</span></td><td class="LC_left_item">';
         my $currcanclone = 'none';
         my $onclick;
         my @cloneoptions = ('none','domain');
-        my %clonetitles = &Apache::lonlocal::texthash (
+        my %clonetitles = (
                              none     => 'No additional course requesters',
                              domain   => "Any course requester in course's domain",
                              instcode => 'Course requests for official courses ...',
@@ -4621,7 +5362,7 @@ sub print_coursedefaults {
                     if ($checked) {
                         $show = 'block';
                     }
-                    $additional = '<div id="cloneinstcode" style="display:'.$show.'" />'.
+                    $additional = '<div id="cloneinstcode" style="display:'.$show.';" />'.
                                   &mt('Institutional codes for new and cloned course have identical:').
                                   '<br />';
                     foreach my $item (@code_order) {
@@ -4651,7 +5392,7 @@ sub print_coursedefaults {
         my ($currdefresponder,%defcredits,%curruploadquota,%deftimeout,%currmysql);
         my $currusecredits = 0;
         my $postsubmitclient = 1;
-        my @types = ('official','unofficial','community','textbook');
+        my @types = ('official','unofficial','community','textbook','placement');
         if (ref($settings) eq 'HASH') {
             $currdefresponder = $settings->{'anonsurvey_threshold'};
             if (ref($settings->{'uploadquota'}) eq 'HASH') {
@@ -4729,10 +5470,10 @@ sub print_coursedefaults {
         $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
                       $choices{'uploadquota'}.
                       '</span></td>'.
-                      '<td align="right" class="LC_right_item">'.
+                      '<td style="text-align: right" class="LC_right_item">'.
                       '<table><tr>';
         foreach my $type (@types) {
-            $datatable .= '<td align="center">'.&mt($type).'<br />'.
+            $datatable .= '<td style="text-align: center">'.&mt($type).'<br />'.
                            '<input type="text" name="uploadquota_'.$type.'"'.
                            ' value="'.$curruploadquota{$type}.'" size="5" /></td>';
         }
@@ -4747,7 +5488,7 @@ sub print_coursedefaults {
                          '<i>'.&mt('Default credits').'</i><br /><table><tr>';
         foreach my $type (@types) {
             next if ($type eq 'community');
-            $additional .= '<td align="center">'.&mt($type).'<br />'.
+            $additional .= '<td style="text-align: center">'.&mt($type).'<br />'.
                            '<input type="text" name="'.$type.'_credits"'.
                            ' value="'.$defcredits{$type}.'" size="3" /></td>';
         }
@@ -4771,7 +5512,7 @@ sub print_coursedefaults {
                       '<i>'.&mt('Enter 0 to remain disabled until page reload.').'</i><br />'.
                       '<table><tr>';
         foreach my $type (@types) {
-            $additional .= '<td align="center">'.&mt($type).'<br />'.
+            $additional .= '<td style="text-align: center">'.&mt($type).'<br />'.
                            '<input type="text" name="'.$type.'_timeout" value="'.
                            $deftimeout{$type}.'" size="5" /></td>';
         }
@@ -4789,10 +5530,10 @@ sub print_coursedefaults {
         $datatable .= '<tr'.$css_class.'><td><span class="LC_nobreak">'.
                       $choices{'mysqltables'}.
                       '</span></td>'.
-                      '<td align="right" class="LC_right_item">'.
+                      '<td style="text-align: right" class="LC_right_item">'.
                       '<table><tr>';
         foreach my $type (@types) {
-            $datatable .= '<td align="center">'.&mt($type).'<br />'.
+            $datatable .= '<td style="text-align: center">'.&mt($type).'<br />'.
                            '<input type="text" name="mysqltables_'.$type.'"'.
                            ' value="'.$currmysql{$type}.'" size="8" /></td>';
         }
@@ -4808,7 +5549,7 @@ sub print_selfenrollment {
     my ($position,$dom,$settings,$rowtotal) = @_;
     my ($css_class,$datatable);
     my $itemcount = 1;
-    my @types = ('official','unofficial','community','textbook');
+    my @types = ('official','unofficial','community','textbook','placement');
     if (($position eq 'top') || ($position eq 'middle')) {
         my ($rowsref,$titlesref) = &Apache::lonuserutils::get_selfenroll_titles();
         my %descs = &Apache::lonuserutils::selfenroll_default_descs();
@@ -5029,875 +5770,278 @@ sub print_validation_rows {
     return $datatable;
 }
 
-sub print_passwords {
-    my ($position,$dom,$confname,$settings,$rowtotal) = @_;
-    my ($datatable,$css_class);
-    my $itemcount = 0;
-    my %titles = &Apache::lonlocal::texthash (
-        captcha        => '"Forgot Password" CAPTCHA validation',
-        link           => 'Reset link expiration (hours)',
-        case           => 'Case-sensitive usernames/e-mail',
-        prelink        => 'Information required (form 1)',
-        postlink       => 'Information required (form 2)',
-        emailsrc       => 'LON-CAPA e-mail address type(s)',
-        customtext     => 'Domain specific text (HTML)',
-        intauth_cost   => 'Encryption cost for bcrypt (positive integer)',
-        intauth_check  => 'Check bcrypt cost if authenticated',
-        intauth_switch => 'Existing crypt-based switched to bcrypt on authentication',
-        permanent      => 'Permanent e-mail address',
-        critical       => 'Critical notification address',
-        notify         => 'Notification address',
-        min            => 'Minimum password length',
-        max            => 'Maximum password length',
-        chars          => 'Required characters',
-        numsaved       => 'Number of previous passwords to save and disallow reuse',
-    );
+sub print_usersessions {
+    my ($position,$dom,$settings,$rowtotal) = @_;
+    my ($css_class,$datatable,$itemcount,%checked,%choices);
+    my (%by_ip,%by_location,@intdoms,@instdoms);
+    &build_location_hashes(\@intdoms,\%by_ip,\%by_location,\@instdoms);
+
+    my @alldoms = &Apache::lonnet::all_domains();
+    my %serverhomes = %Apache::lonnet::serverhomeIDs;
+    my %servers = &Apache::lonnet::internet_dom_servers($dom);
+    my %altids = &id_for_thisdom(%servers);
     if ($position eq 'top') {
-        my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
-        my $shownlinklife = 2;
-        my $prelink = 'both';
-        my (%casesens,%postlink,%emailsrc,$nostdtext,$customurl);
-        if (ref($settings) eq 'HASH') {
-            if ($settings->{resetlink} =~ /^\d+(|\.\d*)$/) {
-                $shownlinklife = $settings->{resetlink};
-            }
-            if (ref($settings->{resetcase}) eq 'ARRAY') {
-                map { $casesens{$_} = 1; } (@{$settings->{resetcase}});
-            }
-            if ($settings->{resetprelink} =~ /^(both|either)$/) {
-                $prelink = $settings->{resetprelink};
-            }
-            if (ref($settings->{resetpostlink}) eq 'HASH') {
-                %postlink = %{$settings->{resetpostlink}};
-            }
-            if (ref($settings->{resetemail}) eq 'ARRAY') {
-                map { $emailsrc{$_} = 1; } (@{$settings->{resetemail}});
-            }
-            if ($settings->{resetremove}) {
-                $nostdtext = 1;
-            }
-            if ($settings->{resetcustom}) {
-                $customurl = $settings->{resetcustom};
-            }
-        } else {
-            if (ref($types) eq 'ARRAY') {
-                foreach my $item (@{$types}) {
-                    $casesens{$item} = 1;
-                    $postlink{$item} = ['username','email'];
-                }
-            }
-            $casesens{'default'} = 1;
-            $postlink{'default'} = ['username','email'];
-            $prelink = 'both';
-            %emailsrc = (
-                          permanent => 1,
-                          critical  => 1,
-                          notify    => 1,
-            );
-        }
-        $datatable = &captcha_choice('passwords',$settings,$$rowtotal);
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'link'}.'</td>'.
-                      '<td class="LC_left_item">'.
-                      '<input type="textbox" value="'.$shownlinklife.'" '.
-                      'name="passwords_link" size="3" /></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'case'}.'</td>'.
-                      '<td class="LC_left_item">';
-        if ((ref($types) eq 'ARRAY') && (ref($usertypes) eq 'HASH')) {
-            foreach my $item (@{$types}) {
-                my $checkedcase;
-                if ($casesens{$item}) {
-                    $checkedcase = ' checked="checked"';
-                }
-                $datatable .= '<span class="LC_nobreak"><label>'.
-                              '<input type="checkbox" name="passwords_case_sensitive" value="'.
-                              $item.'"'.$checkedcase.' />'.$usertypes->{$item}.'</label>'.
-                              '</span>&nbsp;&nbsp; ';
-            }
-        }
-        my $checkedcase;
-        if ($casesens{'default'}) {
-            $checkedcase = ' checked="checked"';
-        }
-        $datatable .= '<span class="LC_nobreak"><label><input type="checkbox" '.
-                      'name="passwords_case_sensitive" value="default"'.$checkedcase.' />'.
-                      $othertitle.'</label></span></td>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        my %checkedpre = (
-                             both => ' checked="checked"',
-                             either => '',
-                         );
-        if ($prelink eq 'either') {
-            $checkedpre{either} = ' checked="checked"';
-            $checkedpre{both} = '';
-        }
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'prelink'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<label><input type="radio" name="passwords_prelink" value="both"'.$checkedpre{'both'}.' />'.
-                      &mt('Both username and e-mail address').'</label></span>&nbsp;&nbsp; '.
-                      '<span class="LC_nobreak"><label>'.
-                      '<input type="radio" name="passwords_prelink" value="either"'.$checkedpre{'either'}.' />'.
-                      &mt('Either username or e-mail address').'</label></span></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'postlink'}.'</td>'.
-                      '<td class="LC_left_item">';
-        my %postlinked;
-        if ((ref($types) eq 'ARRAY') && (ref($usertypes) eq 'HASH')) {
-            foreach my $item (@{$types}) {
-                undef(%postlinked);
-                $datatable .= '<fieldset style="display: inline-block;">'.
-                              '<legend>'.$usertypes->{$item}.'</legend>';
-                if (ref($postlink{$item}) eq 'ARRAY') {
-                    map { $postlinked{$_} = 1; } (@{$postlink{$item}});
-                }
-                foreach my $field ('email','username') {
-                    my $checked;
-                    if ($postlinked{$field}) {
-                        $checked = ' checked="checked"';
-                    }
-                    $datatable .= '<span class="LC_nobreak"><label>'.
-                                  '<input type="checkbox" name="passwords_postlink_'.$item.'" value="'.
-                                  $field.'"'.$checked.' />'.$field.'</label>'.
-                                  '<span>&nbsp;&nbsp; ';
+        if (keys(%serverhomes) > 1) {
+            my %spareid = &current_offloads_to($dom,$settings,\%servers);
+            my $curroffloadnow;
+            if (ref($settings) eq 'HASH') {
+                if (ref($settings->{'offloadnow'}) eq 'HASH') {
+                    $curroffloadnow = $settings->{'offloadnow'};
                 }
-                $datatable .= '</fieldset>';
-            }
-        }
-        if (ref($postlink{'default'}) eq 'ARRAY') {
-            map { $postlinked{$_} = 1; } (@{$postlink{'default'}});
-        }
-        $datatable .= '<fieldset style="display: inline-block;">'.
-                      '<legend>'.$othertitle.'</legend>';
-        foreach my $field ('email','username') {
-            my $checked;
-            if ($postlinked{$field}) {
-                $checked = ' checked="checked"';
-            }
-            $datatable .= '<span class="LC_nobreak"><label>'.
-                          '<input type="checkbox" name="passwords_postlink_default" value="'.
-                          $field.'"'.$checked.' />'.$field.'</label>'.
-                          '<span>&nbsp;&nbsp; ';
-        }
-        $datatable .= '</fieldset></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'emailsrc'}.'</td>'.
-                      '<td class="LC_left_item">';
-        foreach my $type ('permanent','critical','notify') {
-            my $checkedemail;
-            if ($emailsrc{$type}) {
-                $checkedemail = ' checked="checked"';
-            }
-            $datatable .= '<span class="LC_nobreak"><label>'.
-                          '<input type="checkbox" name="passwords_emailsrc" value="'.
-                          $type.'"'.$checkedemail.' />'.$titles{$type}.'</label>'.
-                          '<span>&nbsp;&nbsp; ';
-        }
-        $datatable .= '</td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        my $switchserver = &check_switchserver($dom,$confname);
-        my ($showstd,$noshowstd);
-        if ($nostdtext) {
-            $noshowstd = ' checked="checked"';
-        } else {
-            $showstd = ' checked="checked"';
-        }
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'customtext'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      &mt('Retain standard text:').
-                      '<label><input type="radio" name="passwords_stdtext" value="1"'.$showstd.' />'.
-                      &mt('Yes').'</label>'.'&nbsp;'.
-                      '<label><input type="radio" name="passwords_stdtext" value="0"'.$noshowstd.' />'.
-                      &mt('No').'</label></span><br />'.
-                      '<span class="LC_fontsize_small">'.
-                      &mt('(If you use the same account ...  reset a password from this page.)').'</span><br /><br />'.
-                      &mt('Include custom text:');
-        if ($customurl) {
-            my $link =  &Apache::loncommon::modal_link($customurl,&mt('custom text'),600,500,
-                                                       undef,undef,undef,undef,'background-color:#ffffff');
-            $datatable .= '<span class="LC_nobreak">&nbsp;'.$link.
-                          '<label><input type="checkbox" name="passwords_custom_del"'.
-                          ' value="1" />'.&mt('Delete?').'</label></span>'.
-                          ' <span class="LC_nobreak">&nbsp;'.&mt('Replace:').'</span>';
-        }
-        if ($switchserver) {
-            $datatable .= '<span class="LC_nobreak">&nbsp;'.&mt('Upload to library server: [_1]',$switchserver).'</span>';
-        } else {
-            $datatable .='<span class="LC_nobreak">&nbsp;'.
-                         '<input type="file" name="passwords_customfile" /></span>';
-        }
-        $datatable .= '</td></tr>';
-    } elsif ($position eq 'middle') {
-        my %domconf = &Apache::lonnet::get_dom('configuration',['defaults'],$dom);
-        my @items = ('intauth_cost','intauth_check','intauth_switch');
-        my %defaults;
-        if (ref($domconf{'defaults'}) eq 'HASH') {
-            %defaults = %{$domconf{'defaults'}};
-            if ($defaults{'intauth_cost'} !~ /^\d+$/) {
-                $defaults{'intauth_cost'} = 10;
-            }
-            if ($defaults{'intauth_check'} !~ /^(0|1|2)$/) {
-                $defaults{'intauth_check'} = 0;
-            }
-            if ($defaults{'intauth_switch'} !~ /^(0|1|2)$/) {
-                $defaults{'intauth_switch'} = 0;
             }
+            $datatable .= &spares_row($dom,\%servers,\%spareid,\%serverhomes,\%altids,$curroffloadnow,$rowtotal);
         } else {
-            %defaults = (
-                          'intauth_cost'   => 10,
-                          'intauth_check'  => 0,
-                          'intauth_switch' => 0,
-                        );
-        }
-        foreach my $item (@items) {
-            if ($itemcount%2) {
-                $css_class = '';
-            } else {
-                $css_class = ' class="LC_odd_row" ';
-            }
-            $datatable .= '<tr'.$css_class.'>'.
-                          '<td><span class="LC_nobreak">'.$titles{$item}.
-                          '</span></td><td class="LC_left_item" colspan="3">';
-            if ($item eq 'intauth_switch') {
-                my @options = (0,1,2);
-                my %optiondesc = &Apache::lonlocal::texthash (
-                                   0 => 'No',
-                                   1 => 'Yes',
-                                   2 => 'Yes, and copy existing passwd file to passwd.bak file',
-                                 );
-                $datatable .= '<table width="100%">';
-                foreach my $option (@options) {
-                    my $checked = ' ';
-                    if ($defaults{$item} eq $option) {
-                        $checked = ' checked="checked"';
-                    }
-                    $datatable .= '<tr><td class="LC_left_item"><span class="LC_nobreak">'.
-                                  '<label><input type="radio" name="'.$item.
-                                  '" value="'.$option.'"'.$checked.' />'.
-                                  $optiondesc{$option}.'</label></span></td></tr>';
-                }
-                $datatable .= '</table>';
-            } elsif ($item eq 'intauth_check') {
-                my @options = (0,1,2);
-                my %optiondesc = &Apache::lonlocal::texthash (
-                                   0 => 'No',
-                                   1 => 'Yes, allow login then update passwd file using default cost (if higher)',
-                                   2 => 'Yes, disallow login if stored cost is less than domain default',
-                                 );
-                $datatable .= '<table width="100%">';
-                foreach my $option (@options) {
-                    my $checked = ' ';
-                    my $onclick;
-                    if ($defaults{$item} eq $option) {
-                        $checked = ' checked="checked"';
-                    }
-                    if ($option == 2) {
-                        $onclick = ' onclick="javascript:warnIntAuth(this);"';
-                    }
-                    $datatable .= '<tr><td class="LC_left_item"><span class="LC_nobreak">'.
-                                  '<label><input type="radio" name="'.$item.
-                                  '" value="'.$option.'"'.$checked.$onclick.' />'.
-                                  $optiondesc{$option}.'</label></span></td></tr>';
-                }
-                $datatable .= '</table>';
-            } else {
-                $datatable .= '<input type="text" name="'.$item.'" value="'.
-                              $defaults{$item}.'" size="3" onblur="javascript:warnIntAuth(this);" />';
-            }
-            $datatable .= '</td></tr>';
-            $itemcount ++;
-        }
-    } elsif ($position eq 'lower') {
-        my ($min,$max,%chars,$numsaved);
-        $min = $Apache::lonnet::passwdmin;
-        if (ref($settings) eq 'HASH') {
-            if ($settings->{min}) {
-                $min = $settings->{min};
-            }
-            if ($settings->{max}) {
-                $max = $settings->{max};
-            }
-            if (ref($settings->{chars}) eq 'ARRAY') {
-                map { $chars{$_} = 1; } (@{$settings->{chars}});
-            }
-            if ($settings->{numsaved}) {
-                $numsaved = $settings->{numsaved};
-            }
-        }
-        my %rulenames = &Apache::lonlocal::texthash(
-                                                     uc => 'At least one upper case letter',
-                                                     lc => 'At least one lower case letter',
-                                                     num => 'At least one number',
-                                                     spec => 'At least one non-alphanumeric',
-                                                   );
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'min'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_min" value="'.$min.'" size="3" '.
-                      'onblur="javascript:warnIntPass(this);" />'.
-                      '<span class="LC_fontsize_small"> '.&mt('(Enter an integer: 7 or larger)').'</span>'.
-                      '</span></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'max'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_max" value="'.$max.'" size="3" '.
-                      'onblur="javascript:warnIntPass(this);" />'.
-                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank for no maximum)').'</span>'.
-                      '</span></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'chars'}.'<br />'.
-                      '<span class="LC_nobreak LC_fontsize_small">'.&mt('(Leave unchecked if not required)').
-                      '</span></td>';
-        my $numinrow = 2;
-        my @possrules = ('uc','lc','num','spec');
-        $datatable .= '<td class="LC_left_item"><table>';
-        for (my $i=0; $i<@possrules; $i++) {
-            my ($rem,$checked);
-            if ($chars{$possrules[$i]}) {
-                $checked = ' checked="checked"';
-            }
-            $rem = $i%($numinrow);
-            if ($rem == 0) {
-                if ($i > 0) {
-                    $datatable .= '</tr>';
-                }
-                $datatable .= '<tr>';
-            }
-            $datatable .= '<td><span class="LC_nobreak"><label>'.
-                          '<input type="checkbox" name="passwords_chars" value="'.$possrules[$i].'"'.$checked.' />'.
-                          $rulenames{$possrules[$i]}.'</label></span></td>';
-        }
-        my $rem = @possrules%($numinrow);
-        my $colsleft = $numinrow - $rem;
-        if ($colsleft > 1 ) {
-            $datatable .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
-                          '&nbsp;</td>';
-        } elsif ($colsleft == 1) {
-            $datatable .= '<td class="LC_left_item">&nbsp;</td>';
+            $datatable .= '<tr'.$css_class.'><td colspan="2">'.
+                          &mt('Nothing to set here, as the cluster to which this domain belongs only contains one server.').
+                          '</td></tr>';
         }
-        $datatable .='</table></td></tr>';
-        $itemcount ++;
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr'.$css_class.'><td>'.$titles{'numsaved'}.'</td>'.
-                      '<td class="LC_left_item"><span class="LC_nobreak">'.
-                      '<input type="text" name="passwords_numsaved" value="'.$numsaved.'" size="3" '.
-                      'onblur="javascript:warnIntPass(this);" />'.
-                      '<span class="LC_fontsize_small"> '.&mt('(Leave blank to not save previous passwords)').'</span>'.
-                      '</span></td></tr>';
     } else {
-        my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
-        my %ownerchg = (
-                          by  => {},
-                          for => {},
-                       );
-        my %ownertitles = &Apache::lonlocal::texthash (
-                            by  => 'Course owner status(es) allowed',
-                            for => 'Student status(es) allowed',
-                          );
-        if (ref($settings) eq 'HASH') {
-            if (ref($settings->{crsownerchg}) eq 'HASH') {
-                if (ref($settings->{crsownerchg}{'by'}) eq 'ARRAY') {
-                    map { $ownerchg{by}{$_} = 1; } (@{$settings->{crsownerchg}{'by'}});
-                }
-                if (ref($settings->{crsownerchg}{'for'}) eq 'ARRAY') {
-                    map { $ownerchg{for}{$_} = 1; } (@{$settings->{crsownerchg}{'for'}});
-                }
-            }
-        }
-        $css_class = $itemcount%2?' class="LC_odd_row"':'';
-        $datatable .= '<tr '.$css_class.'>'.
-                      '<td>'.
-                      &mt('Requirements').'<ul>'.
-                      '<li>'.&mt("Course 'type' is not a Community").'</li>'.
-                      '<li>'.&mt('User is Course Coordinator and also course owner').'</li>'.
-                      '<li>'.&mt("Student's only active roles are student role(s) in course(s) owned by this user").'</li>'.
-                      '<li>'.&mt('User, course, and student share same domain').'</li>'.
-                      '</ul>'.
-                      '</td>'.
-                      '<td class="LC_left_item">';
-        foreach my $item ('by','for') {
-            $datatable .= '<fieldset style="display: inline-block;">'.
-                          '<legend>'.$ownertitles{$item}.'</legend>';
-            if ((ref($types) eq 'ARRAY') && (ref($usertypes) eq 'HASH')) {
-                foreach my $type (@{$types}) {
-                    my $checked;
-                    if ($ownerchg{$item}{$type}) {
-                        $checked = ' checked="checked"';
-                    }
-                    $datatable .= '<span class="LC_nobreak"><label>'.
-                                  '<input type="checkbox" name="passwords_crsowner_'.$item.'" value="'.
-                                  $type.'"'.$checked.' />'.$usertypes->{$type}.'</label>'.
-                                  '</span>&nbsp;&nbsp; ';
-                }
-            }
-            my $checked;
-            if ($ownerchg{$item}{'default'}) {
-                $checked = ' checked="checked"';
-            }
-            $datatable .= '<span class="LC_nobreak"><label><input type="checkbox" '.
-                          'name="passwords_crsowner_'.$item.'" value="default"'.$checked.' />'.
-                          $othertitle.'</label></span></fieldset>';
+        my %titles = &usersession_titles();
+        my ($prefix,@types);
+        if ($position eq 'bottom') {
+            $prefix = 'remote';
+            @types = ('version','excludedomain','includedomain');
+        } else {
+            $prefix = 'hosted';
+            @types = ('excludedomain','includedomain');
         }
-        $datatable .= '</td></tr>';
+        ($datatable,$itemcount) = &rules_by_location($settings,$prefix,\%by_location,\%by_ip,\@types,\%titles);
     }
+    $$rowtotal += $itemcount;
     return $datatable;
 }
 
-sub print_wafproxy {
-    my ($position,$dom,$settings,$rowtotal) = @_;
-    my $css_class;
-    my $itemcount = 0;
-    my $datatable;
-    my %servers = &Apache::lonnet::internet_dom_servers($dom);
-    my (%othercontrol,%otherdoms,%aliases,%saml,%values,$setdom,$showdom);
-    my %lt = &wafproxy_titles();
-    foreach my $server (sort(keys(%servers))) {
-        my $serverhome = &Apache::lonnet::get_server_homeID($servers{$server});
-        next if ($serverhome eq '');
-        my $serverdom;
-        if ($serverhome ne $server) {
-            $serverdom = &Apache::lonnet::host_domain($serverhome);
-            if (($serverdom ne '') && (&Apache::lonnet::domain($serverdom) ne '')) {
-                $othercontrol{$server} = $serverdom;
-            }
-        } else {
-            $serverdom = &Apache::lonnet::host_domain($server);
-            next if (($serverdom eq '') || (&Apache::lonnet::domain($serverdom) eq ''));
-            if ($serverdom ne $dom) {
-                $othercontrol{$server} = $serverdom;
-            } else {
-                $setdom = 1;
-                if (ref($settings) eq 'HASH') {
-                    if (ref($settings->{'alias'}) eq 'HASH') {
-                        $aliases{$dom} = $settings->{'alias'};
-                        if ($aliases{$dom} ne '') {
-                            $showdom = 1;
-                        }
-                    }
-                    if (ref($settings->{'saml'}) eq 'HASH') {
-                        $saml{$dom} = $settings->{'saml'};
-                    }
-                }
-            }
+sub rules_by_location {
+    my ($settings,$prefix,$by_location,$by_ip,$types,$titles) = @_; 
+    my ($datatable,$itemcount,$css_class);
+    if (keys(%{$by_location}) == 0) {
+        $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
+        $datatable = '<tr'.$css_class.'><td colspan="2">'.
+                     &mt('Nothing to set here, as the cluster to which this domain belongs only contains one institution.').
+                     '</td></tr>';
+        $itemcount = 1;
+    } else {
+        $itemcount = 0;
+        my $numinrow = 5;
+        my (%current,%checkedon,%checkedoff);
+        my @locations = sort(keys(%{$by_location}));
+        foreach my $type (@{$types}) {
+            $checkedon{$type} = '';
+            $checkedoff{$type} = ' checked="checked"';
         }
-    }
-    if ($setdom) {
-        %{$values{$dom}} = ();
         if (ref($settings) eq 'HASH') {
-            foreach my $item ('remoteip','ipheader','trusted','vpnint','vpnext') {
-                $values{$dom}{$item} = $settings->{$item};
-            }
-        }
-    }
-    if (keys(%othercontrol)) {
-        %otherdoms = reverse(%othercontrol);
-        foreach my $domain (keys(%otherdoms)) {
-            %{$values{$domain}} = ();
-            my %config = &Apache::lonnet::get_dom('configuration',['wafproxy'],$domain);
-            if (ref($config{'wafproxy'}) eq 'HASH') {
-                $aliases{$domain} = $config{'wafproxy'}{'alias'};
-                if (exists($config{'wafproxy'}{'saml'})) {
-                    $saml{$domain} = $config{'wafproxy'}{'saml'};
-                }
-                foreach my $item ('remoteip','ipheader','trusted','vpnint','vpnext') {
-                    $values{$domain}{$item} = $config{'wafproxy'}{$item};
+            if (ref($settings->{$prefix}) eq 'HASH') {
+                foreach my $key (keys(%{$settings->{$prefix}})) {
+                    $current{$key} = $settings->{$prefix}{$key};
+                    if ($key eq 'version') {
+                        if ($current{$key} ne '') {
+                            $checkedon{$key} = ' checked="checked"';
+                            $checkedoff{$key} = '';
+                        }
+                    } elsif (ref($current{$key}) eq 'ARRAY') {
+                        $checkedon{$key} = ' checked="checked"';
+                        $checkedoff{$key} = '';
+                    }
                 }
             }
         }
-    }
-    if ($position eq 'top') {
-        my %servers = &Apache::lonnet::internet_dom_servers($dom);
-        my %aliasinfo;
-        foreach my $server (sort(keys(%servers))) {
-            $itemcount ++;
-            my $dom_in_effect;
-            my $aliasrows = '<tr>'.
-                            '<td class="LC_left_item" style="vertical-align: baseline;">'.
-                            &mt('Hostname').':&nbsp;'.
-                            '<i>'.&Apache::lonnet::hostname($server).'</i></td><td>&nbsp;</td>';
-            if ($othercontrol{$server}) {
-                $dom_in_effect = $othercontrol{$server};
-                my ($current,$forsaml);
-                if (ref($aliases{$dom_in_effect}) eq 'HASH') {
-                    $current = $aliases{$dom_in_effect}{$server};
-                }
-                if (ref($saml{$dom_in_effect}) eq 'HASH') {
-                    if ($saml{$dom_in_effect}{$server}) {
-                        $forsaml = 1;
-                    }
-                }
-                $aliasrows .= '<td class="LC_left_item" style="vertical-align: baseline;">'.
-                              &mt('Alias').':&nbsp';
-                if ($current) {
-                    $aliasrows .= $current;
-                    if ($forsaml) {
-                         $aliasrows .= '&nbsp;('.&mt('also for SSO Auth').')';
-                    }
-                } else {
-                    $aliasrows .= &mt('None');
-                }
-                $aliasrows .= '&nbsp;<span class="LC_small">('.
-                              &mt('controlled by domain: [_1]',
-                                  '<b>'.$dom_in_effect.'</b>').')</span></td>';
-            } else {
-                $dom_in_effect = $dom;
-                my ($current,$samlon,$samloff);
-                $samloff = ' checked="checked"';
-                if (ref($aliases{$dom}) eq 'HASH') {
-                    if ($aliases{$dom}{$server}) {
-                        $current = $aliases{$dom}{$server};
-                    }
-                }
-                if (ref($saml{$dom}) eq 'HASH') {
-                    if ($saml{$dom}{$server}) {
-                        $samlon = $samloff;
-                        undef($samloff);
-                    }
-                }
-                $aliasrows .= '<td class="LC_left_item" style="vertical-align: baseline;">'.
-                              &mt('Alias').':&nbsp;'.
-                              '<input type="text" name="wafproxy_alias_'.$server.'" '.
-                              'value="'.$current.'" size="30" />'.
-                              ('&nbsp;'x2).'<span class="LC_nobreak">'.
-                              &mt('Alias used for SSO Auth').':&nbsp;<label>'.
-                              '<input type="radio" value="0"'.$samloff.' name="wafproxy_alias_saml_'.$server.'" />'.
-                              &mt('No').'</label>&nbsp;<label>'.
-                              '<input type="radio" value="1"'.$samlon.' name="wafproxy_alias_saml_'.$server.'" />'.
-                              &mt('Yes').'</label></span>'.
-                              '</td>';
-            }
-            $aliasrows .= '</tr>';
-            $aliasinfo{$dom_in_effect} .= $aliasrows;
-        }
-        if ($aliasinfo{$dom}) {
-            my ($onclick,$wafon,$wafoff,$showtable);
-            $onclick = ' onclick="javascript:toggleWAF();"';
-            $wafoff = ' checked="checked"';
-            $showtable = ' style="display:none";';
-            if ($showdom) {
-                $wafon = $wafoff;
-                $wafoff = '';
-                $showtable = ' style="display:inline;"';
-            }
-            $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-            $datatable = '<tr'.$css_class.'>'.
-                         '<td class="LC_left_item">'.&mt('Domain: [_1]','<b>'.$dom.'</b>').'<br />'.
-                         '<span class="LC_nobreak">'.&mt('WAF in use?').'&nbsp;<label>'.
-                         '<input type="radio" name="wafproxy_'.$dom.'" value="1"'.$wafon.$onclick.' />'.
-                         &mt('Yes').'</label>'.('&nbsp;'x2).'<label>'.
-                         '<input type="radio" name="wafproxy_'.$dom.'" value="0"'.$wafoff.$onclick.' />'.
-                         &mt('No').'</label></span></td>'.
-                         '<td class="LC_left_item">'.
-                         '<table id="wafproxy_table"'.$showtable.'>'.$aliasinfo{$dom}.
-                         '</table></td></tr>';
-            $itemcount++;
-        }
-        if (keys(%otherdoms)) {
-            foreach my $key (sort(keys(%otherdoms))) {
-                $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-                $datatable .= '<tr'.$css_class.'>'.
-                              '<td class="LC_left_item">'.&mt('Domain: [_1]','<b>'.$key.'</b>').'</td>'.
-                              '<td class="LC_left_item"><table>'.$aliasinfo{$key}.
-                              '</table></td></tr>';
-                $itemcount++;
-            }
-        }
-    } else {
-        my %ip_methods = &remoteip_methods();
-        if ($setdom) {
-            $itemcount ++;
+        foreach my $type (@{$types}) {
+            next if ($type ne 'version' && !@locations);
             $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-            my ($nowafstyle,$wafstyle,$curr_remotip,$currwafdisplay,$vpndircheck,$vpnaliascheck,
-                $currwafvpn,$wafrangestyle,$alltossl,$ssltossl);
-            $wafstyle = ' style="display:none;"';
-            $nowafstyle = ' style="display:table-row;"';
-            $currwafdisplay = ' style="display: none"';
-            $wafrangestyle = ' style="display: none"';
-            $curr_remotip = 'n';
-            $ssltossl = ' checked="checked"';
-            if ($showdom) {
-                $wafstyle = ' style="display:table-row;"';
-                $nowafstyle =  ' style="display:none;"';
-                if (keys(%{$values{$dom}})) {
-                    if ($values{$dom}{remoteip} =~ /^[nmh]$/) {
-                        $curr_remotip = $values{$dom}{remoteip};
-                    }
-                    if ($curr_remotip eq 'h') {
-                        $currwafdisplay = ' style="display:table-row"';
-                        $wafrangestyle = ' style="display:inline-block;"';
-                    }
-                    if ($values{$dom}{'sslopt'}) {
-                        $alltossl = ' checked="checked"';
-                        $ssltossl = '';
-                    }
-                }
-                if (($values{$dom}{'vpnint'} ne '') || ($values{$dom}{'vpnext'} ne '')) {
-                    $vpndircheck = ' checked="checked"';
-                    $currwafvpn = ' style="display:table-row;"';
-                    $wafrangestyle = ' style="display:inline-block;"';
-                } else {
-                    $vpnaliascheck = ' checked="checked"';
-                    $currwafvpn = ' style="display:none;"';
-                }
-            }
-            $datatable .= '<tr'.$css_class.' id="nowafproxyrow_'.$dom.'"'.$wafstyle.'>'.
-                          '<td class="LC_left_item">'.&mt('Domain: [_1]','<b>'.$dom.'</b>').'</td>'.
-                          '<td class="LC_right_item">'.&mt('WAF not in use, nothing to set').'</td>'.
-                          '</tr>'.
-                          '<tr'.$css_class.' id="wafproxyrow_'.$dom.'"'.$wafstyle.'>'.
-                          '<td class="LC_left_item">'.&mt('Domain: [_1]','<b>'.$dom.'</b>').'<br /><br />'.
-                          '<div id="wafproxyranges_'.$dom.'">'.&mt('Format for comma separated IP ranges').':<br />'.
-                          &mt('A.B.C.D/N or A.B.C.D-E.F.G.H').'<br />'.
-                          &mt('Range(s) stored in CIDR notation').'</div></td>'.
-                          '<td class="LC_left_item"><table>'.
-                          '<tr>'.
-                          '<td valign="top">'.$lt{'remoteip'}.':&nbsp;'.
-                          '<select name="wafproxy_remoteip" id="wafproxy_remoteip" onchange="javascript:updateWAF();">';
-            foreach my $option ('m','h','n') {
-                my $sel;
-                if ($option eq $curr_remotip) {
-                   $sel = ' selected="selected"';
-                }
-                $datatable .= '<option value="'.$option.'"'.$sel.'>'.
-                              $ip_methods{$option}.'</option>';
-            }
-            $datatable .= '</select></td></tr>'."\n".
-                          '<tr id="wafproxy_header"'.$currwafdisplay.'><td>'.
-                          $lt{'ipheader'}.':&nbsp;'.
-                          '<input type="text" value="'.$values{$dom}{'ipheader'}.'" '.
-                          'name="wafproxy_ipheader" />'.
-                          '</td></tr>'."\n".
-                          '<tr id="wafproxy_trust"'.$currwafdisplay.'><td>'.
-                          $lt{'trusted'}.':<br />'.
-                          '<textarea name="wafproxy_trusted" rows="3" cols="80">'.
-                          $values{$dom}{'trusted'}.'</textarea>'.
-                          '</td></tr>'."\n".
-                          '<tr><td><hr /></td></tr>'."\n".
-                          '<tr>'.
-                          '<td valign="top">'.$lt{'vpnaccess'}.':<br /><span class="LC_nobreak">'.
-                          '<label><input type="radio" name="wafproxy_vpnaccess"'.$vpndircheck.' value="1" onclick="javascript:checkWAF();" />'.
-                          $lt{'vpndirect'}.'</label>'.('&nbsp;'x2).
-                          '<label><input type="radio" name="wafproxy_vpnaccess"'.$vpnaliascheck.' value="0" onclick="javascript:checkWAF();" />'.
-                          $lt{'vpnaliased'}.'</label></span></td></tr>';
-            foreach my $item ('vpnint','vpnext') {
-                $datatable .= '<tr id="wafproxy_show_'.$item.'"'.$currwafvpn.'>'.
-                              '<td valign="top">'.$lt{$item}.':<br />'.
-                              '<textarea name="wafproxy_'.$item.'" rows="3" cols="80">'.
-                              $values{$dom}{$item}.'</textarea>'.
-                              '</td></tr>'."\n";
-            }
-            $datatable .= '<tr><td><hr /></td></tr>'."\n".
-                          '<tr>'.
-                          '<td valign="top">'.$lt{'sslopt'}.':<br /><span class="LC_nobreak">'.
-                          '<label><input type="radio" name="wafproxy_sslopt"'.$alltossl.' value="1" />'.
-                          $lt{'alltossl'}.'</label>'.('&nbsp;'x2).
-                          '<label><input type="radio" name="wafproxy_sslopt"'.$ssltossl.' value="0" />'.
-                          $lt{'ssltossl'}.'</label></span></td></tr>'."\n".
-                          '</table></td></tr>';
-        }
-        if (keys(%otherdoms)) {
-            foreach my $domain (sort(keys(%otherdoms))) {
-                $itemcount ++;
-                $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-                $datatable .= '<tr'.$css_class.'>'.
-                              '<td class="LC_left_item">'.&mt('Domain: [_1]','<b>'.$domain.'</b>').'</td>'.
-                              '<td class="LC_left_item"><table>';
-                foreach my $item ('remoteip','ipheader','trusted','vpnint','vpnext','sslopt') {
-                    my $showval = &mt('None');
-                    if ($item eq 'ssl') {
-                        $showval = $lt{'ssltossl'};
-                    }
-                    if ($values{$domain}{$item}) {
-                        $showval = $values{$domain}{$item};
-                        if ($item eq 'ssl') {
-                            $showval = $lt{'alltossl'};
-                        } elsif ($item eq 'remoteip') {
-                            $showval = $ip_methods{$values{$domain}{$item}};
+            $datatable .= '<tr'.$css_class.'>
+                           <td><span class="LC_nobreak">'.$titles->{$type}.'</span><br />
+                           <span class="LC_nobreak">&nbsp;
+                           <label><input type="radio" name="'.$prefix.'_'.$type.'_inuse" '.$checkedoff{$type}.' value="0" />'.&mt('Not in use').'</label>&nbsp;
+                           <label><input type="radio" name="'.$prefix.'_'.$type.'_inuse" '.$checkedon{$type}.' value="1" />'.&mt('In use').'</label></span></td><td>';
+            if ($type eq 'version') {
+                my @lcversions = &Apache::lonnet::all_loncaparevs();
+                my $selector = '<select name="'.$prefix.'_version">';
+                foreach my $version (@lcversions) {
+                    my $selected = '';
+                    if ($current{'version'} eq $version) {
+                        $selected = ' selected="selected"';
+                    }
+                    $selector .= ' <option value="'.$version.'"'.
+                                 $selected.'>'.$version.'</option>';
+                }
+                $selector .= '</select> ';
+                $datatable .= &mt('remote server must be version: [_1] or later',$selector);
+            } else {
+                $datatable.= '<div><input type="button" value="'.&mt('check all').'" '.
+                             'onclick="javascript:checkAll(document.display.'.$prefix.'_'.$type.')"'.
+                             ' />'.('&nbsp;'x2).
+                             '<input type="button" value="'.&mt('uncheck all').'" '.
+                             'onclick="javascript:uncheckAll(document.display.'.$prefix.'_'.$type.')" />'.
+                             "\n".
+                             '</div><div><table>';
+                my $rem;
+                for (my $i=0; $i<@locations; $i++) {
+                    my ($showloc,$value,$checkedtype);
+                    if (ref($by_location->{$locations[$i]}) eq 'ARRAY') {
+                        my $ip = $by_location->{$locations[$i]}->[0];
+                        if (ref($by_ip->{$ip}) eq 'ARRAY') {
+                            $value = join(':',@{$by_ip->{$ip}});
+                            $showloc = join(', ',@{$by_ip->{$ip}});
+                            if (ref($current{$type}) eq 'ARRAY') {
+                                foreach my $loc (@{$by_ip->{$ip}}) {
+                                    if (grep(/^\Q$loc\E$/,@{$current{$type}})) {
+                                        $checkedtype = ' checked="checked"';
+                                        last;
+                                    }
+                                }
+                            }
                         }
                     }
-                    $datatable .= '<tr>'.
-                                  '<td>'.$lt{$item}.':&nbsp;'.$showval.'</td></tr>';
+                    $rem = $i%($numinrow);
+                    if ($rem == 0) {
+                        if ($i > 0) {
+                            $datatable .= '</tr>';
+                        }
+                        $datatable .= '<tr>';
+                    }
+                    $datatable .= '<td class="LC_left_item">'.
+                                  '<span class="LC_nobreak"><label>'.
+                                  '<input type="checkbox" name="'.$prefix.'_'.$type.
+                                  '" value="'.$value.'"'.$checkedtype.' />'.$showloc.
+                                  '</label></span></td>';
+                }
+                $rem = @locations%($numinrow);
+                my $colsleft = $numinrow - $rem;
+                if ($colsleft > 1 ) {
+                    $datatable .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
+                                  '&nbsp;</td>';
+                } elsif ($colsleft == 1) {
+                    $datatable .= '<td class="LC_left_item">&nbsp;</td>';
                 }
-                $datatable .= '</table></td></tr>';
+                $datatable .= '</tr></table>';
             }
+            $datatable .= '</td></tr>';
+            $itemcount ++;
         }
     }
-    $$rowtotal += $itemcount;
-    return $datatable;
-}
-
-sub wafproxy_titles {
-    return &Apache::lonlocal::texthash(
-               remoteip   => "Method for determining user's IP",
-               ipheader   => 'Request header containing remote IP',
-               trusted    => 'Trusted IP range(s)',
-               vpnaccess  => 'Access from institutional VPN',
-               vpndirect  => 'via regular hostname (no WAF)',
-               vpnaliased => 'via aliased hostname (WAF)',
-               vpnint     => 'Internal IP Range(s) for VPN sessions',
-               vpnext     => 'IP Range(s) for backend WAF connections',
-               sslopt     => 'Forwarding http/https',
-               alltossl   => 'WAF forwards both http and https requests to https',
-               ssltossl   => 'WAF forwards http requests to http and https to https',
-           );
-}
-
-sub remoteip_methods {
-    return &Apache::lonlocal::texthash(
-              m => 'Use Apache mod_remoteip',
-              h => 'Use headers parsed by LON-CAPA',
-              n => 'Not in use',
-           );
+    return ($datatable,$itemcount);
 }
 
-sub print_usersessions {
+sub print_ssl {
     my ($position,$dom,$settings,$rowtotal) = @_;
-    my ($css_class,$datatable,%checked,%choices);
-    my (%by_ip,%by_location,@intdoms);
-    &build_location_hashes(\@intdoms,\%by_ip,\%by_location);
-
-    my @alldoms = &Apache::lonnet::all_domains();
-    my %serverhomes = %Apache::lonnet::serverhomeIDs;
-    my %servers = &Apache::lonnet::internet_dom_servers($dom);
-    my %altids = &id_for_thisdom(%servers);
+    my ($css_class,$datatable);
     my $itemcount = 1;
     if ($position eq 'top') {
-        if (keys(%serverhomes) > 1) {
-            my %spareid = &current_offloads_to($dom,$settings,\%servers);
-            my ($curroffloadnow,$curroffloadoth);
-            if (ref($settings) eq 'HASH') {
-                if (ref($settings->{'offloadnow'}) eq 'HASH') {
-                    $curroffloadnow = $settings->{'offloadnow'};
-                }
-                if (ref($settings->{'offloadoth'}) eq 'HASH') {
-                    $curroffloadoth = $settings->{'offloadoth'};
+        my $primary_id = &Apache::lonnet::domain($dom,'primary');
+        my $intdom = &Apache::lonnet::internet_dom($primary_id);
+        my $same_institution;
+        if ($intdom ne '') {
+            my $internet_names = &Apache::lonnet::get_internet_names($Apache::lonnet::perlvar{'lonHostID'});
+            if (ref($internet_names) eq 'ARRAY') {
+                if (grep(/^\Q$intdom\E$/,@{$internet_names})) {
+                    $same_institution = 1;
                 }
             }
-            my $other_insts = scalar(keys(%by_location));
-            $datatable .= &spares_row($dom,\%servers,\%spareid,\%serverhomes,\%altids,
-                                      $other_insts,$curroffloadnow,$curroffloadoth,$rowtotal);
+        }
+        $css_class = $itemcount%2?' class="LC_odd_row"':'';
+        $datatable = '<tr'.$css_class.'><td colspan="2">';
+        if ($same_institution) {
+            my %domservers = &Apache::lonnet::get_servers($dom);
+            $datatable .= &LONCAPA::SSL::print_certstatus(\%domservers,'web','domprefs');
         } else {
-            $datatable .= '<tr'.$css_class.'><td colspan="2">'.
-                          &mt('Nothing to set here, as the cluster to which this domain belongs only contains one server.');
+            $datatable .= &mt("You need to be logged into one of your own domain's servers to display information about the status of LON-CAPA SSL certificates.");
         }
+        $datatable .= '</td></tr>';
+        $itemcount ++;
     } else {
-        if (keys(%by_location) == 0) {
-            $datatable .= '<tr'.$css_class.'><td colspan="2">'.
-                          &mt('Nothing to set here, as the cluster to which this domain belongs only contains one institution.');
-        } else {
-            my %lt = &usersession_titles();
-            my $numinrow = 5;
-            my $prefix;
-            my @types;
-            if ($position eq 'bottom') {
-                $prefix = 'remote';
-                @types = ('version','excludedomain','includedomain');
-            } else {
-                $prefix = 'hosted';
-                @types = ('excludedomain','includedomain');
-            }
-            my (%current,%checkedon,%checkedoff);
-            my @lcversions = &Apache::lonnet::all_loncaparevs();
-            my @locations = sort(keys(%by_location));
-            foreach my $type (@types) {
-                $checkedon{$type} = '';
-                $checkedoff{$type} = ' checked="checked"';
-            }
-            if (ref($settings) eq 'HASH') {
-                if (ref($settings->{$prefix}) eq 'HASH') {
-                    foreach my $key (keys(%{$settings->{$prefix}})) {
-                        $current{$key} = $settings->{$prefix}{$key};
-                        if ($key eq 'version') {
-                            if ($current{$key} ne '') {
-                                $checkedon{$key} = ' checked="checked"';
-                                $checkedoff{$key} = '';
-                            }
-                        } elsif (ref($current{$key}) eq 'ARRAY') {
-                            $checkedon{$key} = ' checked="checked"';
-                            $checkedoff{$key} = '';
+        my %titles = &ssl_titles();
+        my (%by_ip,%by_location,@intdoms,@instdoms);
+        &build_location_hashes(\@intdoms,\%by_ip,\%by_location,\@instdoms);
+        my @alldoms = &Apache::lonnet::all_domains();
+        my %serverhomes = %Apache::lonnet::serverhomeIDs;
+        my @domservers = &Apache::lonnet::get_servers($dom);
+        my %servers = &Apache::lonnet::internet_dom_servers($dom);
+        my %altids = &id_for_thisdom(%servers);
+        if (($position eq 'connto') || ($position eq 'connfrom')) {
+            my $legacy;
+            unless (ref($settings) eq 'HASH') {
+                my $name;
+                if ($position eq 'connto') {
+                    $name = 'loncAllowInsecure';
+                } else {
+                    $name = 'londAllowInsecure';
+                }
+                my $primarylibserv = &Apache::lonnet::domain($dom,'primary');
+                my @ids=&Apache::lonnet::current_machine_ids();
+                if (($primarylibserv ne '') && (!grep(/^\Q$primarylibserv\E$/,@ids))) {
+                    my %what = (
+                                   $name => 1,
+                               );
+                    my ($result,$returnhash) =
+                        &Apache::lonnet::get_remote_globals($primarylibserv,\%what);
+                    if ($result eq 'ok') {
+                        if (ref($returnhash) eq 'HASH') {
+                            $legacy = $returnhash->{$name};
                         }
                     }
+                } else {
+                    $legacy = $Apache::lonnet::perlvar{$name};
                 }
             }
-            foreach my $type (@types) {
-                next if ($type ne 'version' && !@locations);
-                $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-                $datatable .= '<tr'.$css_class.'>
-                               <td><span class="LC_nobreak">'.$lt{$type}.'</span><br />
-                               <span class="LC_nobreak">&nbsp;
-                               <label><input type="radio" name="'.$prefix.'_'.$type.'_inuse" '.$checkedoff{$type}.' value="0" />'.&mt('Not in use').'</label>&nbsp;
-                               <label><input type="radio" name="'.$prefix.'_'.$type.'_inuse" '.$checkedon{$type}.' value="1" />'.&mt('In use').'</label></span></td><td>';
-                if ($type eq 'version') {
-                    my $selector = '<select name="'.$prefix.'_version">';
-                    foreach my $version (@lcversions) {
-                        my $selected = '';
-                        if ($current{'version'} eq $version) {
-                            $selected = ' selected="selected"';
-                        }
-                        $selector .= ' <option value="'.$version.'"'.
-                                     $selected.'>'.$version.'</option>';
+            foreach my $type ('dom','intdom','other') {
+                my %checked;
+                $css_class = $itemcount%2?' class="LC_odd_row"':'';
+                $datatable .= '<tr'.$css_class.'><td>'.$titles{$type}.'</td>'.
+                              '<td class="LC_right_item">';
+                my $skip; 
+                if ($type eq 'dom') {
+                    unless (keys(%servers) > 1) {
+                        $datatable .= &mt('Nothing to set here, as there are no other servers/VMs');    
+                        $skip = 1;
                     }
-                    $selector .= '</select> ';
-                    $datatable .= &mt('remote server must be version: [_1] or later',$selector);
-                } else {
-                    $datatable.= '<div><input type="button" value="'.&mt('check all').'" '.
-                                 'onclick="javascript:checkAll(document.display.'.$prefix.'_'.$type.')"'.
-                                 ' />'.('&nbsp;'x2).
-                                 '<input type="button" value="'.&mt('uncheck all').'" '.
-                                 'onclick="javascript:uncheckAll(document.display.'.$prefix.'_'.$type.')" />'.
-                                 "\n".
-                                 '</div><div><table>';
-                    my $rem;
-                    for (my $i=0; $i<@locations; $i++) {
-                        my ($showloc,$value,$checkedtype);
-                        if (ref($by_location{$locations[$i]}) eq 'ARRAY') {
-                            my $ip = $by_location{$locations[$i]}->[0];
-                            if (ref($by_ip{$ip}) eq 'ARRAY') {
-                                 $value = join(':',@{$by_ip{$ip}});
-                                $showloc = join(', ',@{$by_ip{$ip}});
-                                if (ref($current{$type}) eq 'ARRAY') {
-                                    foreach my $loc (@{$by_ip{$ip}}) {  
-                                        if (grep(/^\Q$loc\E$/,@{$current{$type}})) {
-                                            $checkedtype = ' checked="checked"';
-                                            last;
-                                        }
-                                    }
-                                }
+                }
+                if ($type eq 'intdom') {
+                    unless (@instdoms > 1) {
+                        $datatable .= &mt('Nothing to set here, as there are no other domains for this institution');
+                        $skip = 1;
+                    } 
+                } elsif ($type eq 'other') {
+                    if (keys(%by_location) == 0) {
+                        $datatable .= &mt('Nothing to set here, as there are no other institutions');
+                        $skip = 1;
+                    }
+                }
+                unless ($skip) {
+                    $checked{'yes'} = ' checked="checked"'; 
+                    if (ref($settings) eq 'HASH') {
+                        if (ref($settings->{$position}) eq 'HASH') {
+                            if ($settings->{$position}->{$type} =~ /^(no|req)$/) {
+                                $checked{$1} = $checked{'yes'};
+                                delete($checked{'yes'}); 
                             }
                         }
-                        $rem = $i%($numinrow);
-                        if ($rem == 0) {
-                            if ($i > 0) {
-                                $datatable .= '</tr>';
-                            }
-                            $datatable .= '<tr>';
-                        }
-                        $datatable .= '<td class="LC_left_item">'.
-                                      '<span class="LC_nobreak"><label>'.
-                                      '<input type="checkbox" name="'.$prefix.'_'.$type.
-                                      '" value="'.$value.'"'.$checkedtype.' />'.$showloc.
-                                      '</label></span></td>';
+                    } else {
+                        if ($legacy == 0) {
+                            $checked{'req'} = $checked{'yes'};
+                            delete($checked{'yes'});    
+                        }
                     }
-                    $rem = @locations%($numinrow);
-                    my $colsleft = $numinrow - $rem;
-                    if ($colsleft > 1 ) {
-                        $datatable .= '<td colspan="'.$colsleft.'" class="LC_left_item">'.
-                                      '&nbsp;</td>';
-                    } elsif ($colsleft == 1) {
-                        $datatable .= '<td class="LC_left_item">&nbsp;</td>';
+                    foreach my $option ('no','yes','req') {
+                        $datatable .= '<span class="LC_nobreak"><label>'.
+                                      '<input type="radio" name="'.$position.'_'.$type.'" '.
+                                      'value="'.$option.'"'.$checked{$option}.' />'.$titles{$option}.
+                                      '</label></span>'.('&nbsp;'x2);
                     }
-                    $datatable .= '</tr></table>';
                 }
                 $datatable .= '</td></tr>';
+                $itemcount ++; 
+            }
+        } else {
+            my $prefix = 'replication';
+            my @types = ('certreq','nocertreq');
+            if (keys(%by_location) == 0) {
+                $datatable .= '<tr'.$css_class.'><td>'.
+                              &mt('Nothing to set here, as there are no other institutions').
+                              '</td></tr>';
                 $itemcount ++;
+            } else {
+                ($datatable,$itemcount) = 
+                    &rules_by_location($settings,$prefix,\%by_location,\%by_ip,\@types,\%titles);
             }
         }
     }
@@ -5905,10 +6049,60 @@ sub print_usersessions {
     return $datatable;
 }
 
+sub ssl_titles {
+    return &Apache::lonlocal::texthash (
+               dom           => 'LON-CAPA servers/VMs from same domain',
+               intdom        => 'LON-CAPA servers/VMs from same "internet" domain',
+               other         => 'External LON-CAPA servers/VMs',
+               connto        => 'Connections to other servers',
+               connfrom      => 'Connections from other servers',
+               replication   => 'Replicating content to other institutions',
+               certreq       => 'Client certificate required, but specific domains exempt',
+               nocertreq     => 'No client certificate required, except for specific domains',
+               no            => 'SSL not used',
+               yes           => 'SSL Optional (used if available)',
+               req           => 'SSL Required',
+    );
+}
+
+sub print_trust {
+    my ($prefix,$dom,$settings,$rowtotal) = @_;
+    my ($css_class,$datatable,%checked,%choices);
+    my (%by_ip,%by_location,@intdoms,@instdoms);
+    &build_location_hashes(\@intdoms,\%by_ip,\%by_location,\@instdoms);
+    my $itemcount = 1;
+    my %titles = &trust_titles();
+    my @types = ('exc','inc');
+    if ($prefix eq 'top') {
+        $prefix = 'content';
+    } elsif ($prefix eq 'bottom') {
+        $prefix = 'msg';
+    }
+    ($datatable,$itemcount) = &rules_by_location($settings,$prefix,\%by_location,\%by_ip,\@types,\%titles);
+    $$rowtotal += $itemcount;
+    return $datatable;
+}
+
+sub trust_titles {
+    return &Apache::lonlocal::texthash(
+               content  => "Access to this domain's content by others",
+               shared   => "Access to other domain's content by this domain",
+               enroll   => "Enrollment in this domain's courses by others", 
+               othcoau  => "Co-author roles in this domain for others",
+               coaurem  => "Co-author roles for this domain's users elsewhere", 
+               domroles => "Domain roles in this domain assignable to others",
+               catalog  => "Course Catalog for this domain displayed elsewhere",
+               reqcrs   => "Requests for creation of courses in this domain by others",
+               msg      => "Users in other domains can send messages to this domain",
+               exc      => "Allow all, but exclude specific domains",
+               inc      => "Deny all, but include specific domains",
+           );
+} 
+
 sub build_location_hashes {
-    my ($intdoms,$by_ip,$by_location) = @_;
+    my ($intdoms,$by_ip,$by_location,$instdoms) = @_;
     return unless((ref($intdoms) eq 'ARRAY') && (ref($by_ip) eq 'HASH') &&
-                  (ref($by_location) eq 'HASH')); 
+                  (ref($by_location) eq 'HASH') && (ref($instdoms) eq 'ARRAY'));
     my %iphost = &Apache::lonnet::get_iphost();
     my $primary_id = &Apache::lonnet::domain($env{'request.role.domain'},'primary');
     my $primary_ip = &Apache::lonnet::get_host_ip($primary_id);
@@ -5925,7 +6119,13 @@ sub build_location_hashes {
             foreach my $id (@{$iphost{$ip}}) {
                 my $location = &Apache::lonnet::internet_dom($id);
                 if ($location) {
-                    next if (grep(/^\Q$location\E$/,@{$intdoms}));
+                    if (grep(/^\Q$location\E$/,@{$intdoms})) {
+                        my $dom = &Apache::lonnet::host_domain($id);
+                        unless (grep(/^\Q$dom\E/,@{$instdoms})) {
+                            push(@{$instdoms},$dom);
+                        }
+                        next;
+                    }
                     if (ref($by_ip->{$ip}) eq 'ARRAY') {
                         unless(grep(/^\Q$location\E$/,@{$by_ip->{$ip}})) {
                             push(@{$by_ip->{$ip}},$location);
@@ -6033,8 +6233,7 @@ sub current_offloads_to {
 }
 
 sub spares_row {
-    my ($dom,$servers,$spareid,$serverhomes,$altids,$other_insts,
-        $curroffloadnow,$curroffloadoth,$rowtotal) = @_;
+    my ($dom,$servers,$spareid,$serverhomes,$altids,$curroffloadnow,$rowtotal) = @_;
     my $css_class;
     my $numinrow = 4;
     my $itemcount = 1;
@@ -6054,17 +6253,12 @@ sub spares_row {
                 }
             }
             next unless (ref($spareid->{$server}) eq 'HASH');
-            my ($checkednow,$checkedoth);
+            my $checkednow;
             if (ref($curroffloadnow) eq 'HASH') {
                 if ($curroffloadnow->{$server}) {
                     $checkednow = ' checked="checked"';
                 }
             }
-            if (ref($curroffloadoth) eq 'HASH') {
-                if ($curroffloadoth->{$server}) {
-                    $checkedoth = ' checked="checked"';
-                }
-            }
             $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
             $datatable .= '<tr'.$css_class.'>
                            <td rowspan="2">
@@ -6073,15 +6267,8 @@ sub spares_row {
                               ,'<b>'.$server.'</b>').'</span><br />'.
                           '<span class="LC_nobreak">'."\n".
                           '<label><input type="checkbox" name="offloadnow" value="'.$server.'"'.$checkednow.' />'.
-                          '&nbsp;'.&mt('Switch any active user on next access').'</label></span>'.
-                          "\n";
-            if ($other_insts) {
-                $datatable .= '<br />'.
-                              '<span class="LC_nobreak">'."\n".
-                          '<label><input type="checkbox" name="offloadoth" value="'.$server.'"'.$checkedoth.' />'.
-                          '&nbsp;'.&mt('Switch other institutions on next access').'</label></span>'.
+                          '&nbsp;'.&mt('Switch active users on next access').'</label></span>'.
                           "\n";
-            }
             my (%current,%canselect);
             my @choices = 
                 &possible_newspares($server,$spareid->{$server},$serverhomes,$altids);
@@ -6245,7 +6432,7 @@ sub print_loadbalancing {
         my $disabled_div_style = 'display: block';
         my $homedom_div_style = 'display: none';
         $datatable .= '<tr class="'.$css_class[$cssidx].'">'.
-                      '<td rowspan="'.$rownum.'" valign="top">'.
+                      '<td rowspan="'.$rownum.'" style="vertical-align: top">'.
                       '<p>';
         if ($lonhost eq '') {
             $datatable .= '<span class="LC_nobreak">';
@@ -6278,7 +6465,7 @@ sub print_loadbalancing {
                 $homedom_div_style = 'display: block';
             }
         }
-        $datatable .= '</p></td><td rowspan="'.$rownum.'" valign="top">'.
+        $datatable .= '</p></td><td rowspan="'.$rownum.'" style="vertical-align: top">'.
                   '<div id="loadbalancing_disabled_'.$balnum.'" style="'.
                   $disabled_div_style.'">'.$disabledtext.'</div>'."\n".
                   '<div id="loadbalancing_targets_'.$balnum.'" style="'.$targets_div_style.'">'.&mt('Offloads to:').'<br />';
@@ -6289,7 +6476,7 @@ sub print_loadbalancing {
                                   no => ' checked="checked"',
                               );
         my %balcookiechecked = (
-                                  no => ' checked="checked"',
+                                  no => ' checked="checked"', 
                                );
         foreach my $sparetype (@sparestypes) {
             my $targettable;
@@ -6507,10 +6694,10 @@ sub loadbalance_rule_row {
     }
     my $space;
     if ($islast && $num == 1) {
-        $space = '<div display="inline-block">&nbsp;</div>';
+        $space = '<div style="display:inline-block;">&nbsp;</div>';
     }
     my $output =
-        '<tr class="'.$css_class.'" id="balanceruletr_'.$balnum.'_'.$num.'"><td valign="top">'.$space.
+        '<tr class="'.$css_class.'" id="balanceruletr_'.$balnum.'_'.$num.'"><td style="vertical-align: top">'.$space.
         '<div id="balanceruletitle_'.$balnum.'_'.$type.'" style="'.$style.'">'.$title.'</div></td>'."\n".
         '<td valaign="top">'.$space.
         '<div id="balancerule_'.$balnum.'_'.$type.'" style="'.$style.'">'."\n";
@@ -6599,9 +6786,8 @@ sub contact_titles {
                    'requestsmail'    => 'E-mail from course requests requiring approval',
                    'updatesmail'     => 'E-mail from nightly check of LON-CAPA module integrity/updates',
                    'idconflictsmail' => 'E-mail from bi-nightly check for multiple users sharing same student/employee ID',
-                   'hostipmail'      => 'E-mail from nightly check of hostname/IP network changes',
-                   'errorthreshold'  => 'Error count threshold for status e-mail to admin(s)',
-                   'errorsysmail'    => 'Error count threshold for e-mail to developer group',
+                   'errorthreshold'  => 'Error/warning threshold for status e-mail',
+                   'errorsysmail'    => 'Error threshold for e-mail to core group',
                    'errorweights'    => 'Weights used to compute error count',
                    'errorexcluded'   => 'Servers with unsent updates excluded from count',
                  );
@@ -6650,6 +6836,7 @@ sub tool_titles {
                      unofficial => 'Unofficial courses',
                      community  => 'Communities',
                      textbook   => 'Textbook courses',
+                     placement  => 'Placement tests',
                  );
     return %titles;
 }
@@ -6660,8 +6847,10 @@ sub courserequest_titles {
                                    unofficial => 'Unofficial',
                                    community  => 'Communities',
                                    textbook   => 'Textbook',
+                                   placement  => 'Placement tests',
+                                   lti        => 'LTI Provider',
                                    norequest  => 'Not allowed',
-                                   approval   => 'Approval by Dom. Coord.',
+                                   approval   => 'Approval by DC',
                                    validate   => 'With validation',
                                    autolimit  => 'Numerical limit',
                                    unlimited  => '(blank for unlimited)',
@@ -6750,7 +6939,7 @@ sub print_usercreation {
             }
             $datatable .= '<tr'.$css_class.'>'.
                          '<td><span class="LC_nobreak">'.$lt{$item}.
-                         '</span></td><td align="right">';
+                         '</span></td><td style="text-align: right">';
             my @options = ('any');
             if (ref($rules) eq 'HASH') {
                 if (keys(%{$rules}) > 0) {
@@ -6773,7 +6962,7 @@ sub print_usercreation {
         }
     } else {
         my @contexts = ('author','course','domain');
-        my @authtypes = ('int','krb4','krb5','loc');
+        my @authtypes = ('int','krb4','krb5','loc','lti');
         my %checked;
         if (ref($settings) eq 'HASH') {
             if (ref($settings->{'authtypes'}) eq 'HASH') {
@@ -6872,7 +7061,7 @@ sub print_selfcreation {
         ($datatable,$itemcount) = &radiobutton_prefs(\%radiohash,\@toggles,\%defaultchecked,
                                                      \%choices,$itemcount,$onclick);
         $$rowtotal += $itemcount;
-
+        
         if (ref($usertypes) eq 'HASH') {
             if (keys(%{$usertypes}) > 0) {
                 $datatable .= &insttypes_row($createsettings,$types,$usertypes,
@@ -7009,7 +7198,7 @@ sub print_selfcreation {
                 my $currstyle = 'display:none';
                 if (grep(/^\Q$status\E$/,@ordered)) {
                     $currstyle = $rowstyle;
-                    $hidden = 0;
+                    $hidden = 0; 
                 }
                 $datatable .= &noninst_users($processing,$emailverified,$emailoptions,$emaildomain,
                                              $emailrules,$emailruleorder,$settings,$status,$rowid,
@@ -7036,8 +7225,8 @@ sub print_selfcreation {
             foreach my $status (@posstypes) {
                 my $rowid = $classprefix.$status;
                 my $datarowstyle = 'display:none';
-                if (grep(/^\Q$status\E$/,@ordered)) {
-                    $datarowstyle = $rowstyle;
+                if (grep(/^\Q$status\E$/,@ordered)) { 
+                    $datarowstyle = $rowstyle; 
                 }
                 $datatable .= &modifiable_userdata_row('cancreate','emailusername_'.$status,$settings,
                                                        $numinrow,$$rowtotal,\%usertypeshash,$infofields,
@@ -7139,7 +7328,7 @@ function toggleEmailOptions(form,radio,p
                     document.getElementById(altprefix+'_inst_'+status).style.display = 'none';
                     document.getElementById(altprefix+'_noninst_'+status).style.display = 'none';
                     if (curr == 'custom') {
-                        if (prefix) {
+                        if (prefix) { 
                             document.getElementById(prefix+'_'+status).style.display = 'inline';
                         }
                     } else if (curr == 'inst') {
@@ -7162,10 +7351,10 @@ ENDSCRIPT
 
 sub noninst_users {
     my ($processing,$emailverified,$emailoptions,$emaildomain,$emailrules,
-        $emailruleorder,$settings,$type,$rowid,$typetitle,$css_class,$rowstyle,$intdom) = @_;
+        $emailruleorder,$settings,$type,$rowid,$typetitle,$css_class,$rowstyle,$intdom) = @_; 
     my $class = 'LC_left_item';
     if ($css_class) {
-        $css_class = ' class="'.$css_class.'"';
+        $css_class = ' class="'.$css_class.'"'; 
     }
     if ($rowid) {
         $rowid = ' id="'.$rowid.'"';
@@ -7180,10 +7369,10 @@ sub noninst_users {
         $description = &mt('Requests for: [_1] (status self-reported)',$typetitle);
     }
     $output = '<tr'.$css_class.$rowid.$rowstyle.'>'.
-              "<td>$description</td>\n".
+              "<td>$description</td>\n".           
               '<td class="'.$class.'" colspan="2">'.
               '<table><tr>';
-    my %headers = &Apache::lonlocal::texthash(
+    my %headers = &Apache::lonlocal::texthash( 
               approve  => 'Processing',
               email    => 'E-mail',
               username => 'Username',
@@ -7193,7 +7382,7 @@ sub noninst_users {
     }
     $output .= '</tr><tr>';
     foreach my $item ('approve','email','username') {
-        $output .= '<td valign="top">';
+        $output .= '<td style="vertical-align: top">';
         my (%choices,@options,$hashref,$defoption,$name,$onclick,$hascustom);
         if ($item eq 'approve') {
             %choices = &Apache::lonlocal::texthash (
@@ -7308,7 +7497,7 @@ sub noninst_users {
                     my $value;
                     if (ref($emaildomain) eq 'HASH') {
                         if (ref($emaildomain->{$type}) eq 'HASH') {
-                            $value = $emaildomain->{$type}->{$option};
+                            $value = $emaildomain->{$type}->{$option}; 
                         }
                     }
                     if ($value eq '') {
@@ -7335,17 +7524,13 @@ sub noninst_users {
 sub captcha_choice {
     my ($context,$settings,$itemcount,$customcss,$rowstyle) = @_;
     my ($keyentry,$currpub,$currpriv,%checked,$rowname,$pubtext,$privtext,
-        $vertext,$currver); 
+        $vertext,$currver);
     my %lt = &captcha_phrases();
     $keyentry = 'hidden';
-    my $colspan=2;
     if ($context eq 'cancreate') {
         $rowname = &mt('CAPTCHA validation');
     } elsif ($context eq 'login') {
         $rowname =  &mt('"Contact helpdesk" CAPTCHA validation');
-    } elsif ($context eq 'passwords') {
-        $rowname = &mt('"Forgot Password" CAPTCHA validation');
-        $colspan=1;
     }
     if (ref($settings) eq 'HASH') {
         if ($settings->{'captcha'}) {
@@ -7385,7 +7570,7 @@ sub captcha_choice {
         $css_class .= ' style="'.$rowstyle.'"';
     }
     my $output = '<tr'.$css_class.'>'.
-                 '<td class="LC_left_item">'.$rowname.'</td><td class="LC_left_item" colspan="'.$colspan.'">'."\n".
+                 '<td class="LC_left_item">'.$rowname.'</td><td class="LC_left_item" colspan="2">'."\n".
                  '<table><tr><td>'."\n";
     foreach my $option ('original','recaptcha','notused') {
         $output .= '<span class="LC_nobreak"><label><input type="radio" name="'.$context.'_captcha" value="'.
@@ -7517,6 +7702,7 @@ sub authtype_names {
                       krb4   => 'Kerberos 4',
                       krb5   => 'Kerberos 5',
                       loc    => 'Local',
+                      lti    => 'LTI',
                   );
     return %lt;
 }
@@ -7585,12 +7771,13 @@ sub print_defaults {
                           '<td><span class="LC_nobreak">'.$titles->{$item}.
                           '</span></td><td class="LC_right_item" colspan="3">';
             if ($item eq 'auth_def') {
-                my @authtypes = ('internal','krb4','krb5','localauth');
+                my @authtypes = ('internal','krb4','krb5','localauth','lti');
                 my %shortauth = (
                                  internal => 'int',
                                  krb4 => 'krb4',
                                  krb5 => 'krb5',
-                                 localauth  => 'loc'
+                                 localauth  => 'loc',
+                                 lti => 'lti',
                                 );
                 my %authnames = &authtype_names();
                 foreach my $auth (@authtypes) {
@@ -7622,6 +7809,85 @@ sub print_defaults {
             $datatable .= '</td></tr>';
             $rownum ++;
         }
+    } elsif ($position eq 'middle') {
+        my @items = ('intauth_cost','intauth_check','intauth_switch');
+        my %defaults;
+        if (ref($settings) eq 'HASH') {
+            %defaults = %{$settings};
+            if ($defaults{'intauth_cost'} !~ /^\d+$/) {
+                $defaults{'intauth_cost'} = 10;
+            }
+            if ($defaults{'intauth_check'} !~ /^(0|1|2)$/) {
+                $defaults{'intauth_check'} = 0;
+            }
+            if ($defaults{'intauth_switch'} !~ /^(0|1|2)$/) {
+                $defaults{'intauth_switch'} = 0;
+            }
+        } else {
+            %defaults = (
+                          'intauth_cost'   => 10,
+                          'intauth_check'  => 0,
+                          'intauth_switch' => 0,
+                        );
+        }
+        foreach my $item (@items) {
+            if ($rownum%2) {
+                $css_class = '';
+            } else {
+                $css_class = ' class="LC_odd_row" ';
+            }
+            $datatable .= '<tr'.$css_class.'>'.
+                          '<td><span class="LC_nobreak">'.$titles->{$item}.
+                          '</span></td><td class="LC_left_item" colspan="3">';
+            if ($item eq 'intauth_switch') {
+                my @options = (0,1,2);
+                my %optiondesc = &Apache::lonlocal::texthash (
+                                   0 => 'No',
+                                   1 => 'Yes',
+                                   2 => 'Yes, and copy existing passwd file to passwd.bak file',
+                                 );
+                $datatable .= '<table width="100%">';
+                foreach my $option (@options) {
+                    my $checked = ' ';
+                    if ($defaults{$item} eq $option) {
+                        $checked = ' checked="checked"';
+                    }
+                    $datatable .= '<tr><td class="LC_left_item"><span class="LC_nobreak">'.
+                                  '<label><input type="radio" name="'.$item.
+                                  '" value="'.$option.'"'.$checked.' />'.
+                                  $optiondesc{$option}.'</label></span></td></tr>';
+                }
+                $datatable .= '</table>';
+            } elsif ($item eq 'intauth_check') {
+                my @options = (0,1,2);
+                my %optiondesc = &Apache::lonlocal::texthash (
+                                   0 => 'No',
+                                   1 => 'Yes, allow login then update passwd file using default cost (if higher)',
+                                   2 => 'Yes, disallow login if stored cost is less than domain default',
+                                 );
+                $datatable .= '<table width="100%">';
+                foreach my $option (@options) {
+                    my $checked = ' ';
+                    my $onclick;
+                    if ($defaults{$item} eq $option) {
+                        $checked = ' checked="checked"';
+                    }
+                    if ($option == 2) {
+                        $onclick = ' onclick="javascript:warnIntAuth(this);"';
+                    }
+                    $datatable .= '<tr><td class="LC_left_item"><span class="LC_nobreak">'.
+                                  '<label><input type="radio" name="'.$item.
+                                  '" value="'.$option.'"'.$checked.$onclick.' />'.
+                                  $optiondesc{$option}.'</label></span></td></tr>';
+                }
+                $datatable .= '</table>';
+            } else {
+                $datatable .= '<input type="text" name="'.$item.'" value="'.
+                              $defaults{$item}.'" size="3" onblur="javascript:warnIntAuth(this);" />'; 
+            }
+            $datatable .= '</td></tr>';
+            $rownum ++;
+        }
     } else {
         my %defaults;
         if (ref($settings) eq 'HASH') {
@@ -7646,7 +7912,7 @@ sub print_defaults {
                     $datatable .= '</select>&nbsp;'.&mt('Internal ID:').'&nbsp;<b>'.$item.'</b>&nbsp;'.
                                   '<input type="checkbox" name="inststatus_delete" value="'.$item.'" />'.
                                   &mt('delete').'</span></td>'.
-                                  '<td class="LC_left_item"><span class="LC_nobreak">'.&mt('Name displayed').':'.
+                                  '<td class="LC_left_item" colspan="2"><span class="LC_nobreak">'.&mt('Name displayed:').
                                   '<input type="text" size="20" name="inststatus_title_'.$item.'" value="'.$title.'" />'.
                                   '</span></td></tr>';
                 }
@@ -7665,8 +7931,8 @@ sub print_defaults {
                 $datatable .= '</select>&nbsp;'.&mt('Internal ID:').
                               '<input type="text" size="10" name="addinststatus" value="" />'.
                               '&nbsp;'.&mt('(new)').
-                              '</span></td><td class="LC_left_item"><span class="LC_nobreak">'.
-                              &mt('Name displayed').':'.
+                              '</span></td><td class="LC_left_item" colspan="2"><span class="LC_nobreak">'.
+                              &mt('Name displayed:').
                               '<input type="text" size="20" name="addinststatus_title" value="" /></span></td>'.
                               '</tr>'."\n";
                 $rownum ++;
@@ -7730,24 +7996,14 @@ sub scantron_javascript {
 // <![CDATA[
 
 function toggleScantron(form) {
-    var csvfieldset = new Array();
     if (document.getElementById('scantroncsv_cols')) {
-        csvfieldset.push(document.getElementById('scantroncsv_cols'));
-    }
-    if (document.getElementById('scantroncsv_options')) {
-        csvfieldset.push(document.getElementById('scantroncsv_options'));
-    }
-    if (csvfieldset.length) {
+        var csvfieldset = document.getElementById('scantroncsv_cols');
         if (document.getElementById('scantronconfcsv')) {
-            var scantroncsv = document.getElementById('scantronconfcsv');
+            var scantroncsv = document.getElementById('scantronconfcsv'); 
             if (scantroncsv.checked) {
-                for (var i=0; i<csvfieldset.length; i++) {
-                    csvfieldset[i].style.display = 'block';
-                }
+                csvfieldset.style.display = 'inline-block';
             } else {
-                for (var i=0; i<csvfieldset.length; i++) {
-                    csvfieldset[i].style.display = 'none';
-                }
+                csvfieldset.style.display = 'none';
                 var csvselects = document.getElementsByClassName('scantronconfig_csv');
                 if (csvselects.length) {
                     for (var j=0; j<csvselects.length; j++) {
@@ -7882,7 +8138,7 @@ sub print_scantronformat {
         }
         $datatable .= '</span></td>';
         if (keys(%error) == 0) { 
-            $datatable .= '<td valign="bottom">';
+            $datatable .= '<td style="vertical-align: bottom">';
             if (!$switchserver) {
                 $datatable .= &mt('Upload:').'<br />';
             }
@@ -7943,18 +8199,8 @@ sub print_scantronconfig {
     my ($dom,$settings,$rowtotal) = @_;
     my $itemcount = 2;
     my $is_checked = ' checked="checked"';
-    my %optionson = (
-                     hdr => ' checked="checked"',
-                     pad => ' checked="checked"',
-                     rem => ' checked="checked"',
-                    );
-    my %optionsoff = (
-                      hdr => '',
-                      pad => '',
-                      rem => '',
-                     );
     my $currcsvsty = 'none';
-    my ($datatable,%csvfields,%checked,%onclick,%csvoptions);
+    my ($datatable,%csvfields,%checked,%onclick);
     my @fields = &scantroncsv_fields();
     my %titles = &scantronconfig_titles();
     if (ref($settings) eq 'HASH') {
@@ -7963,21 +8209,10 @@ sub print_scantronconfig {
                 $checked{'dat'} = $is_checked;
             }
             if (ref($settings->{config}->{csv}) eq 'HASH') {
-                if (ref($settings->{config}->{csv}->{fields}) eq 'HASH') {
-                    %csvfields = %{$settings->{config}->{csv}->{fields}};
-                    if (keys(%csvfields) > 0) {
-                        $checked{'csv'} = $is_checked;
-                        $currcsvsty = 'block';
-                    }
-                }
-                if (ref($settings->{config}->{csv}->{options}) eq 'HASH') {
-                    %csvoptions = %{$settings->{config}->{csv}->{options}};
-                    foreach my $option (keys(%optionson)) {
-                        unless ($csvoptions{$option}) {
-                            $optionsoff{$option} = $optionson{$option};
-                            $optionson{$option} = '';
-                        }
-                    }
+                %csvfields = %{$settings->{config}->{csv}};
+                if (keys(%csvfields) > 0) {
+                    $checked{'csv'} = $is_checked;
+                    $currcsvsty = 'inline-block';
                 }
             }
         } else {
@@ -7994,7 +8229,7 @@ sub print_scantronconfig {
         my $id;
         if ($item eq 'csv') {
             $id = 'id="scantronconfcsv" ';
-        }
+        } 
         $datatable .= '<label><input type="checkbox" name="scantronconfig" '.$id.'value="'.$item.'"'.$checked{$item}.$onclick{$item}.' />'.
                       $titles{$item}.'</label>'.('&nbsp;'x3);
         if ($item eq 'csv') {
@@ -8023,16 +8258,7 @@ sub print_scantronconfig {
                 }
                 $datatable .= '</select></td></tr>';
            }
-           $datatable .= '</table></fieldset>'.
-                         '<fieldset style="display:'.$currcsvsty.'" id="scantroncsv_options">'.
-                         '<legend>'.&mt('CSV Options').'</legend>';
-           foreach my $option ('hdr','pad','rem') {
-               $datatable .= '<span class="LC_nobreak">'.$titles{$option}.':'.
-                         '<label><input type="radio" name="scantroncsv_'.$option.'" value="1"'.$optionson{$option}.' />'.
-                         &mt('Yes').'</label>'.('&nbsp;'x2)."\n".
-                         '<label><input type="radio" name="scantroncsv_'.$option.'" value="0"'.$optionsoff{$option}.' />'.&mt('No').'</label></span><br />';
-           }
-           $datatable .= '</fieldset>';
+           $datatable .= '</table></fieldset>';
            $itemcount ++;
         }
     }
@@ -8045,9 +8271,6 @@ sub scantronconfig_titles {
     return &Apache::lonlocal::texthash(
                                           dat => 'Standard format (.dat)',
                                           csv => 'Comma separated values (.csv)',
-                                          hdr => 'Remove first line in file (contains column titles)',
-                                          pad => 'Prepend 0s to PaperID',
-                                          rem => 'Remove leading spaces (except Question Response columns)',
                                           CODE => 'CODE',
                                           ID   => 'Student ID',
                                           PaperID => 'Paper ID',
@@ -8117,6 +8340,10 @@ sub print_coursecategories {
         my $toggle_catscomm_dom = ' checked="checked" ';
         my $can_catcomm_comm = ' ';
         my $can_catcomm_dom = ' checked="checked" ';
+        my $toggle_catsplace_place = ' ';
+        my $toggle_catsplace_dom = ' checked="checked" ';
+        my $can_catplace_place = ' ';
+        my $can_catplace_dom = ' checked="checked" ';
 
         if (ref($settings) eq 'HASH') {
             if ($settings->{'togglecats'} eq 'crs') {
@@ -8135,17 +8362,28 @@ sub print_coursecategories {
                 $can_catcomm_comm = $can_catcomm_dom;
                 $can_catcomm_dom = ' ';
             }
+            if ($settings->{'togglecatsplace'} eq 'place') {
+                $toggle_catsplace_place = $toggle_catsplace_dom;
+                $toggle_catsplace_dom = ' ';
+            }
+            if ($settings->{'categorizeplace'} eq 'place') {
+                $can_catplace_place = $can_catplace_dom;
+                $can_catplace_dom = ' ';
+            }
         }
         my %title = &Apache::lonlocal::texthash (
-                     togglecats     => 'Show/Hide a course in catalog',
-                     togglecatscomm => 'Show/Hide a community in catalog',
-                     categorize     => 'Assign a category to a course',
-                     categorizecomm => 'Assign a category to a community',
+                     togglecats      => 'Show/Hide a course in catalog',
+                     togglecatscomm  => 'Show/Hide a community in catalog',
+                     togglecatsplace => 'Show/Hide a placement test in catalog',
+                     categorize      => 'Assign a category to a course',
+                     categorizecomm  => 'Assign a category to a community',
+                     categorizeplace => 'Assign a category to a placement test',
                     );
         my %level = &Apache::lonlocal::texthash (
-                     dom  => 'Set in Domain',
-                     crs  => 'Set in Course',
-                     comm => 'Set in Community',
+                     dom   => 'Set in Domain',
+                     crs   => 'Set in Course',
+                     comm  => 'Set in Community',
+                     place => 'Set in Placement Test',
                     );
         $datatable = '<tr class="LC_odd_row">'.
                   '<td>'.$title{'togglecats'}.'</td>'.
@@ -8175,8 +8413,22 @@ sub print_coursecategories {
                   $can_catcomm_dom.' value="dom" />'.$level{'dom'}.'</label>&nbsp;'.
                   '<label><input type="radio" name="categorizecomm"'.
                   $can_catcomm_comm.'value="comm" />'.$level{'comm'}.'</label></span></td>'.
+                  '</tr><tr class="LC_odd_row">'.
+                  '<td>'.$title{'togglecatsplace'}.'</td>'.
+                  '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
+                  '<input type="radio" name="togglecatsplace"'.
+                  $toggle_catsplace_dom.' value="dom" />'.$level{'dom'}.'</label>&nbsp;'.
+                  '<label><input type="radio" name="togglecatscomm"'.
+                  $toggle_catsplace_place.' value="comm" />'.$level{'place'}.'</label></span></td>'.
+                  '</tr><tr>'.
+                  '<td>'.$title{'categorizeplace'}.'</td>'.
+                  '<td class="LC_right_item"><span class="LC_nobreak">'.
+                  '<label><input type="radio" name="categorizeplace"'.
+                  $can_catplace_dom.' value="dom" />'.$level{'dom'}.'</label>&nbsp;'.
+                  '<label><input type="radio" name="categorizeplace"'.
+                  $can_catplace_place.'value="place" />'.$level{'place'}.'</label></span></td>'.
                   '</tr>';
-        $$rowtotal += 4;
+        $$rowtotal += 6;
     } else {
         my $css_class;
         my $itemcount = 1;
@@ -8201,12 +8453,15 @@ sub print_coursecategories {
                     my %default_names = (
                           instcode    => &mt('Official courses'),
                           communities => &mt('Communities'),
+                          placement   => &mt('Placement Tests'),
                     );
 
                     if ((!grep(/^instcode$/,@{$cats[0]})) || 
                         ($cathash->{'instcode::0'} eq '') ||
                         (!grep(/^communities$/,@{$cats[0]})) || 
-                        ($cathash->{'communities::0'} eq '')) {
+                        ($cathash->{'communities::0'} eq '') ||
+                        (!grep(/^placement$/,@{$cats[0]})) ||
+                        ($cathash->{'placement::0'} eq '')) {
                         $maxnum ++;
                     }
                     my $lastidx;
@@ -8227,7 +8482,7 @@ sub print_coursecategories {
                             $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
                         }
                         $datatable .= '</select></span></td><td>';
-                        if ($parent eq 'instcode' || $parent eq 'communities') {
+                        if ($parent eq 'instcode' || $parent eq 'communities' || $parent eq 'placement') {
                             $datatable .=  '<span class="LC_nobreak">'
                                            .$default_names{$parent}.'</span>';
                             if ($parent eq 'instcode') {
@@ -8250,7 +8505,7 @@ sub print_coursecategories {
                             $datatable .= '<label><input type="radio" name="'
                                           .$parent.'" value="0" />'
                                           .&mt('Do not display').'</label></span>';
-                            if ($parent eq 'communities') {
+                            if (($parent eq 'communities') || ($parent eq 'placement')) {
                                 $datatable .= '</td></tr></table>';
                             }
                             $datatable .= '</td>';
@@ -8282,7 +8537,7 @@ sub print_coursecategories {
                                   .'<input type="text" size="20" name="addcategory_name" value="" /></td>'
                                   .'</tr>'."\n";
                     $itemcount ++;
-                    foreach my $default ('instcode','communities') {
+                    foreach my $default ('instcode','communities','placement') {
                         if ((!grep(/^\Q$default\E$/,@{$cats[0]})) || ($cathash->{$default.'::0'} eq '')) {
                             $css_class = $itemcount%2?' class="LC_odd_row"':'';
                             my $chgstr = ' onchange="javascript:reorderCats(this.form,'."'','$default"."_pos','$lastidx'".');"';
@@ -8371,14 +8626,42 @@ sub print_serverstatuses {
 
 sub serverstatus_pages {
     return ('userstatus','lonstatus','loncron','server-status','codeversions',
-            'checksums','clusterstatus','metadata_keywords','metadata_harvest',
-            'takeoffline','takeonline','showenv','toggledebug','ping','domconf',
-            'uniquecodes','diskusage','coursecatalog');
+            'checksums','clusterstatus','certstatus','metadata_keywords',
+            'metadata_harvest','takeoffline','takeonline','showenv','toggledebug',
+            'ping','domconf','uniquecodes','diskusage','coursecatalog');
 }
 
 sub defaults_javascript {
     my ($settings) = @_;
-    return unless (ref($settings) eq 'HASH');
+    my $intauthcheck = &mt('Warning: disallowing login for an authenticated user if the stored cost is less than the default will require a password reset by/for the user.');
+    my $intauthcost = &mt('Warning: bcrypt encryption cost for internal authentication must be an integer.');
+    &js_escape(\$intauthcheck);
+    &js_escape(\$intauthcost);
+    my $intauthjs = <<"ENDSCRIPT";
+
+function warnIntAuth(field) {
+    if (field.name == 'intauth_check') {
+        if (field.value == '2') {
+            alert('$intauthcheck');
+        }
+    }
+    if (field.name == 'intauth_cost') {
+        field.value.replace(/\s/g,'');
+        if (field.value != '') {
+            var regexdigit=/^\\d+\$/;
+            if (!regexdigit.test(field.value)) {
+                alert('$intauthcost');
+            }
+        }
+    }
+    return;
+}
+
+ENDSCRIPT
+
+    if (ref($settings) ne 'HASH') {
+        return &Apache::lonhtmlcommon::scripttag($intauthjs);
+    }
     if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
         my $maxnum = scalar(@{$settings->{'inststatusorder'}});
         if ($maxnum eq '') {
@@ -8432,99 +8715,15 @@ $jstext
     return;
 }
 
+$intauthjs
+
 // ]]>
 </script>
 
 ENDSCRIPT
-    }
-}
-
-sub passwords_javascript {
-    my %intalert = &Apache::lonlocal::texthash (
-        authcheck => 'Warning: disallowing login for an authenticated user if the stored cost is less than the default will require a password reset by/for the user.',
-        authcost => 'Warning: bcrypt encryption cost for internal authentication must be an integer.',
-        passmin => 'Warning: minimum password length must be a positive integer greater than 6.',
-        passmax => 'Warning: maximum password length must be a positive integer (or blank).',
-        passexp => 'Warning: days before password expiration must be a positive integer (or blank).',
-        passnum => 'Warning: number of previous passwords to save must be a positive integer (or blank).',
-    );
-    &js_escape(\%intalert);
-    my $defmin = $Apache::lonnet::passwdmin;
-    my $intauthjs = <<"ENDSCRIPT";
-
-function warnIntAuth(field) {
-    if (field.name == 'intauth_check') {
-        if (field.value == '2') {
-            alert('$intalert{authcheck}');
-        }
-    }
-    if (field.name == 'intauth_cost') {
-        field.value.replace(/\s/g,'');
-        if (field.value != '') {
-            var regexdigit=/^\\d+\$/;
-            if (!regexdigit.test(field.value)) {
-                alert('$intalert{authcost}');
-            }
-        }
-    }
-    return;
-}
-
-function warnIntPass(field) {
-    field.value.replace(/^\s+/,'');
-    field.value.replace(/\s+\$/,'');
-    var regexdigit=/^\\d+\$/;
-    if (field.name == 'passwords_min') {
-        if (field.value == '') {
-            alert('$intalert{passmin}');
-            field.value = '$defmin';
-        } else {
-            if (!regexdigit.test(field.value)) {
-                alert('$intalert{passmin}');
-                field.value = '$defmin';
-            }
-            var minval = parseInt(field.value,10);
-            if (minval < $defmin) {
-                alert('$intalert{passmin}');
-                field.value = '$defmin';
-            }
-        }
     } else {
-        if (field.value == '0') {
-            field.value = '';
-        }
-        if (field.value != '') {
-            if (field.name == 'passwords_expire') {
-                var regexpposnum=/^\\d+(|\\.\\d*)\$/;
-                if (!regexpposnum.test(field.value)) {
-                    alert('$intalert{passexp}');
-                    field.value = '';
-                } else {
-                    var expval = parseFloat(field.value);
-                    if (expval == 0) {
-                        alert('$intalert{passexp}');
-                        field.value = '';
-                    }
-                }
-            } else {
-                if (!regexdigit.test(field.value)) {
-                    if (field.name == 'passwords_max') {
-                        alert('$intalert{passmax}');
-                    } else {
-                        if (field.name == 'passwords_numsaved') {
-                            alert('$intalert{passnum}');
-                        }
-                    }
-                    field.value = '';
-                }
-            }
-        }
+        return &Apache::lonhtmlcommon::scripttag($intauthjs);
     }
-    return;
-}
-
-ENDSCRIPT
-    return &Apache::lonhtmlcommon::scripttag($intauthjs);
 }
 
 sub coursecategories_javascript {
@@ -8551,9 +8750,11 @@ sub coursecategories_javascript {
     }
     my $instcode_reserved = &mt('The name: [_1] is a reserved category.','"instcode"');
     my $communities_reserved = &mt('The name: [_1] is a reserved category.','"communities"');
+    my $placement_reserved = &mt('The name: [_1] is a reserved category.','"placement"');
     my $choose_again = "\n".&mt('Please use a different name for the new top level category.'); 
     &js_escape(\$instcode_reserved);
     &js_escape(\$communities_reserved);
+    &js_escape(\$placement_reserved);
     &js_escape(\$choose_again);
     $output = <<"ENDSCRIPT";
 <script type="text/javascript">
@@ -8623,6 +8824,10 @@ function categoryCheck(form) {
         alert('$communities_reserved\\n$choose_again');
         return false;
     }
+    if (form.elements['addcategory_name'].value == 'placement') {
+        alert('$placement_reserved\\n$choose_again');
+        return false;
+    }
     return true;
 }
 
@@ -8636,24 +8841,28 @@ ENDSCRIPT
 sub initialize_categories {
     my ($itemcount) = @_;
     my ($datatable,$css_class,$chgstr);
-    my %default_names = &Apache::lonlocal::texthash (
+    my %default_names = (
                       instcode    => 'Official courses (with institutional codes)',
                       communities => 'Communities',
+                      placement   => 'Placement Tests',
                         );
-    my $select0 = ' selected="selected"';
-    my $select1 = '';
-    foreach my $default ('instcode','communities') {
+    my %selnum = (
+                   instcode    => '0',
+                   communities => '1',
+                   placement   => '2',
+                 );
+    my %selected;
+    foreach my $default ('instcode','communities','placement') {
         $css_class = $itemcount%2?' class="LC_odd_row"':'';
         $chgstr = ' onchange="javascript:reorderCats(this.form,'."'','$default"."_pos','0'".');"';
-        if ($default eq 'communities') {
-            $select1 = $select0;
-            $select0 = '';
-        }
+        map { $selected{$selnum{$_}} = '' } keys(%selnum);
+        $selected{$selnum{$default}} = ' selected="selected"';
         $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
-                     .'<select name="'.$default.'_pos">'
-                     .'<option value="0"'.$select0.'>1</option>'
-                     .'<option value="1"'.$select1.'>2</option>'
-                     .'<option value="2">3</option></select>&nbsp;'
+                     .'<select name="'.$default.'_pos"'.$chgstr.'>'
+                     .'<option value="0"'.$selected{'0'}.'>1</option>'
+                     .'<option value="1"'.$selected{'1'}.'>2</option>'
+                     .'<option value="2"'.$selected{'2'}.'>3</option>'
+                     .'<option value="3">4</option></select>&nbsp;'
                      .$default_names{$default}
                      .'</span></td><td><span class="LC_nobreak">'
                      .'<label><input type="radio" name="'.$default.'" value="1" checked="checked" />'
@@ -8668,7 +8877,8 @@ sub initialize_categories {
                   .'<select name="addcategory_pos"'.$chgstr.'>'
                   .'<option value="0">1</option>'
                   .'<option value="1">2</option>'
-                  .'<option value="2" selected="selected">3</option></select>&nbsp;'
+                  .'<option value="2">3</option>'
+                  .'<option value="3" selected="selected">4</option></select>&nbsp;'
                   .&mt('Add category').'</span></td><td><span class="LC_nobreak">'.&mt('Name:')
                   .'&nbsp;<input type="text" size="20" name="addcategory_name" value="" /></span>'
                   .'</td></tr>';
@@ -8780,6 +8990,8 @@ sub modifiable_userdata_row {
         } else {
             $rolename = $role;
         }
+    } elsif ($context eq 'lti') {
+        $rolename = &mt('Institutional data used (if available)');
     } else {
         if ($role eq 'cr') {
             $rolename = &mt('Custom role');
@@ -8817,42 +9029,43 @@ sub modifiable_userdata_row {
     if ($rowid) {
         $rowid = ' id="'.$rowid.'"';
     }
-
     $output = '<tr '.$css_class.$rowid.'>'.
               '<td><span class="LC_nobreak">'.$rolename.'</span></td>'.
               '<td class="LC_left_item" colspan="2"><table>';
     my $rem;
     my %checks;
+    my %current;
     if (ref($settings) eq 'HASH') {
-        if (ref($settings->{$context}) eq 'HASH') {
+        my $hashref;
+        if ($context eq 'lti') {
+            if (ref($settings) eq 'HASH') {
+                $hashref = $settings->{'instdata'};
+            }
+        } elsif (ref($settings->{$context}) eq 'HASH') {
             if (ref($settings->{$context}->{$role}) eq 'HASH') {
-                my $hashref = $settings->{$context}->{$role};
-                if ($role eq 'emailusername') {
-                    if ($statustype) {
-                        if (ref($settings->{$context}->{$role}->{$statustype}) eq 'HASH') {
-                            $hashref = $settings->{$context}->{$role}->{$statustype};
-                            if (ref($hashref) eq 'HASH') { 
-                                foreach my $field (@fields) {
-                                    if ($hashref->{$field}) {
-                                        $checks{$field} = $hashref->{$field};
-                                    }
-                                }
-                            }
-                        }
+                $hashref = $settings->{'lti_instdata'};
+            }
+            if ($role eq 'emailusername') {
+                if ($statustype) {
+                    if (ref($settings->{$context}->{$role}->{$statustype}) eq 'HASH') {
+                        $hashref = $settings->{$context}->{$role}->{$statustype};
                     }
-                } else {
-                    if (ref($hashref) eq 'HASH') {
-                        foreach my $field (@fields) {
-                            if ($hashref->{$field}) {
-                                $checks{$field} = ' checked="checked" ';
-                            }
-                        }
+                }
+            }
+        }
+        if (ref($hashref) eq 'HASH') { 
+            foreach my $field (@fields) {
+                if ($hashref->{$field}) {
+                    if ($role eq 'emailusername') {
+                        $checks{$field} = $hashref->{$field};
+                    } else {
+                        $checks{$field} = ' checked="checked" ';
                     }
                 }
             }
         }
     }
-
+ 
     my $total = scalar(@fields);
     for (my $i=0; $i<$total; $i++) {
         $rem = $i%($numinrow);
@@ -8865,8 +9078,8 @@ sub modifiable_userdata_row {
         my $check = ' ';
         unless ($role eq 'emailusername') {
             if (exists($checks{$fields[$i]})) {
-                $check = $checks{$fields[$i]};
-            } else {
+                $check = $checks{$fields[$i]}
+            } elsif ($context ne 'lti') {
                 if ($role eq 'st') {
                     if (ref($settings) ne 'HASH') {
                         $check = ' checked="checked" '; 
@@ -8876,6 +9089,7 @@ sub modifiable_userdata_row {
         }
         $output .= '<td class="LC_left_item">'.
                    '<span class="LC_nobreak">';
+        my $prefix = 'canmodify';
         if ($role eq 'emailusername') {
             unless ($checks{$fields[$i]} =~ /^(required|optional)$/) {
                 $checks{$fields[$i]} = 'omit';
@@ -8886,13 +9100,16 @@ sub modifiable_userdata_row {
                     $checked='checked="checked" ';
                 }
                 $output .= '<label>'.
-                           '<input type="radio" name="canmodify_'.$item.'_'.$fields[$i].'" value="'.$option.'" '.$checked.'/>'.
+                           '<input type="radio" name="'.$prefix.'_'.$item.'_'.$fields[$i].'" value="'.$option.'" '.$checked.'/>'.
                            &mt($option).'</label>'.('&nbsp;' x2);
             }
             $output .= '<i>'.$fieldtitles{$fields[$i]}.'</i>';
         } else {
+            if ($context eq 'lti') {
+                $prefix = 'lti';
+            }
             $output .= '<label>'.
-                       '<input type="checkbox" name="canmodify_'.$role.'" '.
+                       '<input type="checkbox" name="'.$prefix.'_'.$role.'" '.
                        'value="'.$fields[$i].'"'.$check.'/>'.$fieldtitles{$fields[$i]}.
                        '</label>';
         }
@@ -8979,7 +9196,7 @@ sub insttypes_row {
                 $output .= '<td class="LC_left_item">'.
                            '<span class="LC_nobreak"><label>'.
                            '<input type="checkbox" name="'.$context.'" '.
-                           'value="'.$types->[$i].'"'.$check.$onclick.'/>'.
+                           'value="'.$types->[$i].'"'.$check.$onclick.' />'.
                            $usertypes->{$types->[$i]}.'</label></span></td>';
             }
         }
@@ -8992,7 +9209,7 @@ sub insttypes_row {
         } else {
             $output .= '<td class="LC_left_item">';
         }
-        $output .= '&nbsp;';
+        $output .= '&nbsp;';  
     } else {
         if ($rem == 0) {
             $output .= '<tr>';
@@ -9094,14 +9311,12 @@ sub usertype_update_row {
 sub modify_login {
     my ($r,$dom,$confname,$lastactref,%domconfig) = @_;
     my ($resulttext,$errors,$colchgtext,%changes,%colchanges,%newfile,%newurl,
-        %curr_loginvia,%loginhash,@currlangs,@newlangs,$addedfile,%title,@offon,
-        %currsaml,%saml,%samltext,%samlimg,%samlalt,%samlurl,%samltitle,%samlnotsso);
+        %curr_loginvia,%loginhash,@currlangs,@newlangs,$addedfile,%title,@offon);
     %title = ( coursecatalog => 'Display course catalog',
                adminmail => 'Display administrator E-mail address',
                helpdesk  => 'Display "Contact Helpdesk" link',
                newuser => 'Link for visitors to create a user account',
-               loginheader => 'Log-in box header',
-               saml => 'Dual SSO and non-SSO login');
+               loginheader => 'Log-in box header');
     @offon = ('off','on');
     if (ref($domconfig{login}) eq 'HASH') {
         if (ref($domconfig{login}{loginvia}) eq 'HASH') {
@@ -9109,20 +9324,6 @@ sub modify_login {
                 $curr_loginvia{$lonhost} = $domconfig{login}{loginvia}{$lonhost};
             }
         }
-        if (ref($domconfig{login}{'saml'}) eq 'HASH') {
-            foreach my $lonhost (keys(%{$domconfig{login}{'saml'}})) {
-                if (ref($domconfig{login}{'saml'}{$lonhost}) eq 'HASH') {
-                    $currsaml{$lonhost} = $domconfig{login}{'saml'}{$lonhost};
-                    $saml{$lonhost} = 1;
-                    $samltext{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'text'};
-                    $samlurl{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'url'};
-                    $samlalt{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'alt'};
-                    $samlimg{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'img'};
-                    $samltitle{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'title'};
-                    $samlnotsso{$lonhost} = $domconfig{login}{'saml'}{$lonhost}{'notsso'};
-                }
-            }
-        }
     }
     ($errors,%colchanges) = &modify_colors($r,$dom,$confname,['login'],
                                            \%domconfig,\%loginhash);
@@ -9369,89 +9570,6 @@ sub modify_login {
             $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
         }
     }
-    my @delsamlimg = &Apache::loncommon::get_env_multiple('form.saml_img_del');
-    my @newsamlimgs;
-    foreach my $lonhost (keys(%domservers)) {
-        if ($env{'form.saml_'.$lonhost}) {
-            if ($env{'form.saml_img_'.$lonhost.'.filename'}) {
-                push(@newsamlimgs,$lonhost);
-            }
-            foreach my $item ('text','alt','url','title','notsso') {
-                $env{'form.saml_'.$item.'_'.$lonhost} =~ s/^\s+|\s+$//g;
-            }
-            if ($saml{$lonhost}) {
-                if (grep(/^\Q$lonhost\E$/,@delsamlimg)) {
-#FIXME Need to obsolete published image
-                    delete($currsaml{$lonhost}{'img'});
-                    $changes{'saml'}{$lonhost} = 1;
-                }
-                if ($env{'form.saml_alt_'.$lonhost} ne $samlalt{$lonhost}) {
-                    $changes{'saml'}{$lonhost} = 1;
-                }
-                if ($env{'form.saml_text_'.$lonhost} ne $samltext{$lonhost}) {
-                    $changes{'saml'}{$lonhost} = 1;
-                }
-                if ($env{'form.saml_url_'.$lonhost} ne $samlurl{$lonhost}) {
-                    $changes{'saml'}{$lonhost} = 1;
-                }
-                if ($env{'form.saml_title_'.$lonhost} ne $samltitle{$lonhost}) {
-                    $changes{'saml'}{$lonhost} = 1;
-                }
-                if ($env{'form.saml_notsso_'.$lonhost} ne $samlnotsso{$lonhost}) {
-                    $changes{'saml'}{$lonhost} = 1;
-                }
-            } else {
-                $changes{'saml'}{$lonhost} = 1;
-            }
-            foreach my $item ('text','alt','url','title','notsso') {
-                $currsaml{$lonhost}{$item} = $env{'form.saml_'.$item.'_'.$lonhost};
-            }
-        } else {
-            if ($saml{$lonhost}) {
-                $changes{'saml'}{$lonhost} = 1;
-                delete($currsaml{$lonhost});
-            }
-        }
-    }
-    foreach my $posshost (keys(%currsaml)) {
-        unless (exists($domservers{$posshost})) {
-            delete($currsaml{$posshost});
-        }
-    }
-    %{$loginhash{'login'}{'saml'}} = %currsaml;
-    if (@newsamlimgs) {
-        my $error;
-        my ($configuserok,$author_ok,$switchserver) = &config_check($dom,$confname,$servadm);
-        if ($configuserok eq 'ok') {
-            if ($switchserver) {
-                $error = &mt("Upload of SSO Button Image is not permitted to this server: [_1].",$switchserver);
-            } elsif ($author_ok eq 'ok') {
-                foreach my $lonhost (@newsamlimgs) {
-                    my $formelem = 'saml_img_'.$lonhost;
-                    my ($result,$imgurl) = &publishlogo($r,'upload',$formelem,$dom,$confname,
-                                                        "login/saml/$lonhost",'','',
-                                                        $env{'form.saml_img_'.$lonhost.'.filename'});
-                    if ($result eq 'ok') {
-                        $currsaml{$lonhost}{'img'} = $imgurl;
-                        $loginhash{'login'}{'saml'}{$lonhost}{'img'} = $imgurl;
-                        $changes{'saml'}{$lonhost} = 1;
-                    } else {
-                        my $puberror = &mt("Upload of SSO button image failed for [_1] because an error occurred publishing the file in RES space. Error was: [_2].",
-                                           $lonhost,$result);
-                        $errors .= '<li><span class="LC_error">'.$puberror.'</span></li>';
-                    }
-                }
-            } else {
-                $error = &mt("Upload of SSO button image file(s) failed because an author role could not be assigned to a Domain Configuration user ([_1]) in domain: [_2].  Error was: [_3].",$confname,$dom,$author_ok);
-            }
-        } else {
-            $error = &mt("Upload of SSO button image file(s) failed because a Domain Configuration user ([_1]) could not be created in domain: [_2].  Error was: [_3].",$confname,$dom,$configuserok);
-        }
-        if ($error) {
-            &Apache::lonnet::logthis($error);
-            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-        }
-    }
     &process_captcha('login',\%changes,$loginhash{'login'},$domconfig{'login'});
 
     my $defaulthelpfile = '/adm/loginproblems.html';
@@ -9492,31 +9610,6 @@ sub modify_login {
         }
         if (keys(%changes) > 0 || $colchgtext) {
             &Apache::loncommon::devalidate_domconfig_cache($dom);
-            if (exists($changes{'saml'})) {
-                my $hostid_in_use;
-                my @hosts = &Apache::lonnet::current_machine_ids();
-                if (@hosts > 1) {
-                    foreach my $hostid (@hosts) {
-                        if (&Apache::lonnet::host_domain($hostid) eq $dom) {
-                            $hostid_in_use = $hostid;
-                            last;
-                        }
-                    }
-                } else {
-                    $hostid_in_use = $r->dir_config('lonHostID');
-                }
-                if (($hostid_in_use) &&
-                    (&Apache::lonnet::host_domain($hostid_in_use) eq $dom)) {
-                    &Apache::lonnet::devalidate_cache_new('samllanding',$hostid_in_use);
-                }
-                if (ref($lastactref) eq 'HASH') {
-                    if (ref($changes{'saml'}) eq 'HASH') {
-                        my %updates;
-                        map { $updates{$_} = 1; } keys(%{$changes{'saml'}});
-                        $lastactref->{'samllanding'} = \%updates;
-                    }
-                }
-            }
             if (ref($lastactref) eq 'HASH') {
                 $lastactref->{'domainconfig'} = 1;
             }
@@ -9596,38 +9689,6 @@ sub modify_login {
                             }
                         }
                     }
-                } elsif ($item eq 'saml') {
-                    if (ref($changes{$item}) eq 'HASH') {
-                        my %notlt = (
-                                       text   => 'Text for log-in by SSO',
-                                       img    => 'SSO button image',
-                                       alt    => 'Alt text for button image',
-                                       url    => 'SSO URL',
-                                       title  => 'Tooltip for SSO link',
-                                       notsso => 'Text for non-SSO log-in',
-                                    );
-                        foreach my $lonhost (sort(keys(%{$changes{$item}}))) {
-                            if (ref($currsaml{$lonhost}) eq 'HASH') {
-                                $resulttext .= '<li>'.&mt("$title{$item} in use for [_1]","<b>$lonhost</b>").
-                                               '<ul>';
-                                foreach my $key ('text','img','alt','url','title','notsso') {
-                                    if ($currsaml{$lonhost}{$key} eq '') {
-                                        $resulttext .= '<li>'.&mt("$notlt{$key} not in use").'</li>';
-                                    } else {
-                                        my $value = "'$currsaml{$lonhost}{$key}'";
-                                        if ($key eq 'img') {
-                                            $value = '<img src="'.$currsaml{$lonhost}{$key}.'" />';
-                                        }
-                                        $resulttext .= '<li>'.&mt("$notlt{$key} set to: [_1]",
-                                                                  $value).'</li>';
-                                    }
-                                }
-                                $resulttext .= '</ul></li>';
-                            } else {
-                                $resulttext .= '<li>'.&mt("$title{$item} not in use for [_1]",$lonhost).'</li>';
-                            }
-                        }
-                    }
                 } elsif ($item eq 'captcha') {
                     if (ref($loginhash{'login'}) eq 'HASH') {
                         my $chgtxt;
@@ -9730,283 +9791,6 @@ sub color_font_choices {
     return %choices;
 }
 
-sub modify_ipaccess {
-    my ($dom,$lastactref,%domconfig) = @_;
-    my (@allpos,%changes,%confhash,$errors,$resulttext);
-    my (@items,%deletions,%itemids,@warnings);
-    my ($typeorder,$types) = &commblocktype_text();
-    if ($env{'form.ipaccess_add'}) {
-        my $name = $env{'form.ipaccess_name_add'};
-        my ($newid,$error) = &get_ipaccess_id($dom,$name);
-        if ($newid) {
-            $itemids{'add'} = $newid;
-            push(@items,'add');
-            $changes{$newid} = 1;
-        } else {
-            $error = &mt('Failed to acquire unique ID for new IP access control item');
-            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-        }
-    }
-    if (ref($domconfig{'ipaccess'}) eq 'HASH') {
-        my @todelete = &Apache::loncommon::get_env_multiple('form.ipaccess_del');
-        if (@todelete) {
-            map { $deletions{$_} = 1; } @todelete;
-        }
-        my $maxnum = $env{'form.ipaccess_maxnum'};
-        for (my $i=0; $i<$maxnum; $i++) {
-            my $itemid = $env{'form.ipaccess_id_'.$i};
-            $itemid =~ s/\D+//g;
-            if (ref($domconfig{'ipaccess'}{$itemid}) eq 'HASH') {
-                if ($deletions{$itemid}) {
-                    $changes{$itemid} = $domconfig{'ipaccess'}{$itemid}{'name'};
-                } else {
-                    push(@items,$i);
-                    $itemids{$i} = $itemid;
-                }
-            }
-        }
-    }
-    foreach my $idx (@items) {
-        my $itemid = $itemids{$idx};
-        next unless ($itemid);
-        my %current;
-        unless ($idx eq 'add') {
-            if (ref($domconfig{'ipaccess'}{$itemid}) eq 'HASH') {
-                %current = %{$domconfig{'ipaccess'}{$itemid}};
-            }
-        }
-        my $position = $env{'form.ipaccess_pos_'.$itemid};
-        $position =~ s/\D+//g;
-        if ($position ne '') {
-            $allpos[$position] = $itemid;
-        }
-        my $name = $env{'form.ipaccess_name_'.$idx};
-        $name =~ s/^\s+|\s+$//g;
-        $confhash{$itemid}{'name'} = $name;
-        my $possrange = $env{'form.ipaccess_range_'.$idx};
-        $possrange =~ s/^\s+|\s+$//g;
-        unless ($possrange eq '') {
-            $possrange =~ s/[\r\n]+/\s/g;
-            $possrange =~ s/\s*-\s*/-/g;
-            $possrange =~ s/\s+/,/g;
-            $possrange =~ s/,+/,/g;
-            if ($possrange ne '') {
-                my (@ok,$count);
-                $count = 0;
-                foreach my $poss (split(/\,/,$possrange)) {
-                    $count ++;
-                    $poss = &validate_ip_pattern($poss);
-                    if ($poss ne '') {
-                        push(@ok,$poss);
-                    }
-                }
-                my $diff = $count - scalar(@ok);
-                if ($diff) {
-                    $errors .= '<li><span class="LC_error">'.
-                               &mt('[quant,_1,IP] invalid and excluded from saved value for IP range(s) for [_2]',
-                                   $diff,$name).
-                               '</span></li>';
-                }
-                if (@ok) {
-                    my @cidr_list;
-                    foreach my $item (@ok) {
-                        @cidr_list = &Net::CIDR::cidradd($item,@cidr_list);
-                    }
-                    $confhash{$itemid}{'ip'} = join(',',@cidr_list);
-                }
-            }
-        }
-        foreach my $field ('name','ip') {
-            unless (($idx eq 'add') || ($changes{$itemid})) {
-                if ($current{$field} ne $confhash{$itemid}{$field}) {
-                    $changes{$itemid} = 1;
-                    last;
-                }
-            }
-        }
-        $confhash{$itemid}{'commblocks'} = {};
-
-        my %commblocks;
-        map { $commblocks{$_} = 1; } &Apache::loncommon::get_env_multiple('form.ipaccess_block_'.$idx);
-        foreach my $type (@{$typeorder}) {
-            if ($commblocks{$type}) {
-                $confhash{$itemid}{'commblocks'}{$type} = 'on';
-            }
-            unless (($idx eq 'add') || ($changes{$itemid})) {
-                if (ref($current{'commblocks'}) eq 'HASH') {
-                    if ($confhash{$itemid}{'commblocks'}{$type} ne $current{'commblocks'}{$type}) {
-                        $changes{$itemid} = 1;
-                    }
-                } elsif ($confhash{$itemid}{'commblocks'}{$type}) {
-                    $changes{$itemid} = 1;
-                }
-            }
-        }
-        $confhash{$itemid}{'courses'} = {};
-        my %crsdeletions;
-        my @delcrs = &Apache::loncommon::get_env_multiple('form.ipaccess_course_delete_'.$idx);
-        if (@delcrs) {
-            map { $crsdeletions{$_} = 1; } @delcrs;
-        }
-        if (ref($current{'courses'}) eq 'HASH') {
-            foreach my $cid (sort(keys(%{$current{'courses'}}))) {
-                if ($crsdeletions{$cid}) {
-                    $changes{$itemid} = 1;
-                } else {
-                    $confhash{$itemid}{'courses'}{$cid} = 1;
-                }
-            }
-        }
-        $env{'form.ipaccess_cnum_'.$idx} =~ s/^\s+|\s+$//g;
-        $env{'form.ipaccess_cdom_'.$idx} =~ s/^\s+|\s+$//g;
-        if (($env{'form.ipaccess_cnum_'.$idx} =~ /^$match_courseid$/) &&
-            ($env{'form.ipaccess_cdom_'.$idx} =~ /^$match_domain$/)) {
-            if (&Apache::lonnet::homeserver($env{'form.ipaccess_cnum_'.$idx},
-                                            $env{'form.ipaccess_cdom_'.$idx}) eq 'no_host') {
-                $errors .= '<li><span class="LC_error">'.
-                           &mt('Invalid courseID [_1] omitted from list of allowed courses',
-                               $env{'form.ipaccess_cdom_'.$idx}.'_'.$env{'form.ipaccess_cnum_'.$idx}).
-                           '</span></li>';
-            } else {
-                $confhash{$itemid}{'courses'}{$env{'form.ipaccess_cdom_'.$idx}.'_'.$env{'form.ipaccess_cnum_'.$idx}} = 1;
-                $changes{$itemid} = 1;
-            }
-        }
-    }
-    if (@allpos > 0) {
-        my $idx = 0;
-        foreach my $itemid (@allpos) {
-            if ($itemid ne '') {
-                $confhash{$itemid}{'order'} = $idx;
-                unless ($changes{$itemid}) {
-                    if (ref($domconfig{'ipaccess'}) eq 'HASH') {
-                        if (ref($domconfig{'ipaccess'}{$itemid}) eq 'HASH') {
-                            if ($domconfig{'ipaccess'}{$itemid}{'order'} ne $idx) {
-                                $changes{$itemid} = 1;
-                            }
-                        }
-                    }
-                }
-                $idx ++;
-            }
-        }
-    }
-    if (keys(%changes)) {
-        my %defaultshash = (
-                              ipaccess => \%confhash,
-                           );
-        my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
-                                                 $dom);
-        if ($putresult eq 'ok') {
-            my $cachetime = 1800;
-            &Apache::lonnet::do_cache_new('ipaccess',$dom,\%confhash,$cachetime);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'ipaccess'} = 1;
-            }
-            $resulttext = &mt('Changes made:').'<ul>';
-            my %bynum;
-            foreach my $itemid (sort(keys(%changes))) {
-                if (ref($confhash{$itemid}) eq 'HASH') {
-                    my $position = $confhash{$itemid}{'order'};
-                    if ($position =~ /^\d+$/) {
-                        $bynum{$position} = $itemid;
-                    }
-                }
-            }
-            if (keys(%deletions)) {
-                foreach my $itemid (sort { $a <=> $b } keys(%deletions)) {
-                    $resulttext .= '<li>'.&mt('Deleted: [_1]',$changes{$itemid}).'</li>';
-                }
-            }
-            foreach my $pos (sort { $a <=> $b } keys(%bynum)) {
-                my $itemid = $bynum{$pos};
-                if (ref($confhash{$itemid}) eq 'HASH') {
-                    $resulttext .= '<li><b>'.$confhash{$itemid}{'name'}.'</b><ul>';
-                    my $position = $pos + 1;
-                    $resulttext .= '<li>'.&mt('Order: [_1]',$position).'</li>';
-                    if ($confhash{$itemid}{'ip'} eq '') {
-                        $resulttext .= '<li>'.&mt('No IP Range(s) set').'</li>';
-                    } else {
-                        $resulttext .= '<li>'.&mt('IP Range(s): [_1]',$confhash{$itemid}{'ip'}).'</li>';
-                    }
-                    if (keys(%{$confhash{$itemid}{'commblocks'}})) {
-                        $resulttext .= '<li>'.&mt('Functionality Blocked: [_1]',
-                                                  join(', ', map { $types->{$_}; } sort(keys(%{$confhash{$itemid}{'commblocks'}})))).
-                                       '</li>';
-                    } else {
-                        $resulttext .= '<li>'.&mt('No functionality blocked').'</li>';
-                    }
-                    if (keys(%{$confhash{$itemid}{'courses'}})) {
-                        my @courses;
-                        foreach my $cid (sort(keys(%{$confhash{$itemid}{'courses'}}))) {
-                            my %courseinfo = &Apache::lonnet::coursedescription($cid,{'one_time' => 1});
-                            push(@courses,$courseinfo{'description'}.' ('.$cid.')');
-                        }
-                        $resulttext .= '<li>'.&mt('Courses/Communities allowed').':<ul><li>'.
-                                             join('</li><li>',@courses).'</li></ul>';
-                    } else {
-                        $resulttext .= '<li>'.&mt('No courses allowed').'</li>';
-                    }
-                    $resulttext .= '</ul></li>';
-                }
-            }
-            $resulttext .= '</ul>';
-        } else {
-            $errors .= '<li><span class="LC_error">'.&mt('Failed to save changes').'</span></li>';
-        }
-    } else {
-        $resulttext = &mt('No changes made');
-    }
-    if ($errors) {
-        $resulttext .= '<p>'.&mt('The following errors occurred: ').'<ul>'.
-                       $errors.'</ul></p>';
-    }
-    return $resulttext;
-}
-
-sub get_ipaccess_id {
-    my ($domain,$location) = @_;
-    # get lock on ipaccess db
-    my $lockhash = {
-                      lock => $env{'user.name'}.
-                              ':'.$env{'user.domain'},
-                   };
-    my $tries = 0;
-    my $gotlock = &Apache::lonnet::newput_dom('ipaccess',$lockhash,$domain);
-    my ($id,$error);
-
-    while (($gotlock ne 'ok') && ($tries<10)) {
-        $tries ++;
-        sleep (0.1);
-        $gotlock = &Apache::lonnet::newput_dom('ipaccess',$lockhash,$domain);
-    }
-    if ($gotlock eq 'ok') {
-        my %currids = &Apache::lonnet::dump_dom('ipaccess',$domain);
-        if ($currids{'lock'}) {
-            delete($currids{'lock'});
-            if (keys(%currids)) {
-                my @curr = sort { $a <=> $b } keys(%currids);
-                if ($curr[-1] =~ /^\d+$/) {
-                    $id = 1 + $curr[-1];
-                }
-            } else {
-                $id = 1;
-            }
-            if ($id) {
-                unless (&Apache::lonnet::newput_dom('ipaccess',{ $id => $location },$domain) eq 'ok') {
-                    $error = 'nostore';
-                }
-            } else {
-                $error = 'nonumber';
-            }
-        }
-        my $dellockoutcome = &Apache::lonnet::del_dom('ipaccess',['lock'],$domain);
-    } else {
-        $error = 'nolock';
-    }
-    return ($id,$error);
-}
-
 sub modify_rolecolors {
     my ($r,$dom,$confname,$roles,$lastactref,%domconfig) = @_;
     my ($resulttext,%rolehash);
@@ -10114,18 +9898,13 @@ sub modify_colors {
             $domconfig->{$role} = {};
         }
         foreach my $img (@images) {
-            if ($role eq 'login') { 
-                if (($img eq 'img') || ($img eq 'logo')) {  
-                    if (defined($env{'form.login_showlogo_'.$img})) {
-                        $confhash->{$role}{'showlogo'}{$img} = 1;
-                    } else { 
-                        $confhash->{$role}{'showlogo'}{$img} = 0;
-                    }
-                }
-                if ($env{'form.login_alt_'.$img} ne '') {
-                    $confhash->{$role}{'alttext'}{$img} = $env{'form.login_alt_'.$img};
+            if (($role eq 'login') && (($img eq 'img') || ($img eq 'logo'))) {  
+                if (defined($env{'form.login_showlogo_'.$img})) {
+                    $confhash->{$role}{'showlogo'}{$img} = 1;
+                } else { 
+                    $confhash->{$role}{'showlogo'}{$img} = 0;
                 }
-            }
+            } 
 	    if ( ! $env{'form.'.$role.'_'.$img.'.filename'} 
 		 && !defined($domconfig->{$role}{$img})
 		 && !$env{'form.'.$role.'_del_'.$img}
@@ -10200,29 +9979,15 @@ sub modify_colors {
                             $changes{$role}{'images'}{$img} = 1;
                         } 
                     }
-                    if ($role eq 'login') {
-                        if (($img eq 'logo') || ($img eq 'img')) {
-                            if (ref($domconfig->{'login'}{'showlogo'}) eq 'HASH') {
-                                if ($confhash->{$role}{'showlogo'}{$img} ne 
-                                    $domconfig->{$role}{'showlogo'}{$img}) {
-                                    $changes{$role}{'showlogo'}{$img} = 1; 
-                                }
-                            } else {
-                                if ($confhash->{$role}{'showlogo'}{$img} == 0) {
-                                    $changes{$role}{'showlogo'}{$img} = 1;
-                                }
+                    if (($role eq 'login') && (($img eq 'logo') || ($img eq 'img'))) {
+                        if (ref($domconfig->{'login'}{'showlogo'}) eq 'HASH') {
+                            if ($confhash->{$role}{'showlogo'}{$img} ne 
+                                $domconfig->{$role}{'showlogo'}{$img}) {
+                                $changes{$role}{'showlogo'}{$img} = 1; 
                             }
-                        }
-                        if ($img ne 'login') {
-                            if (ref($domconfig->{$role}{'alttext'}) eq 'HASH') {
-                                if ($confhash->{$role}{'alttext'}{$img} ne
-                                    $domconfig->{$role}{'alttext'}{$img}) {
-                                    $changes{$role}{'alttext'}{$img} = 1;
-                                }
-                            } else {
-                                if ($confhash->{$role}{'alttext'}{$img} ne '') {
-                                    $changes{$role}{'alttext'}{$img} = 1;
-                                }
+                        } else {
+                            if ($confhash->{$role}{'showlogo'}{$img} == 0) {
+                                $changes{$role}{'showlogo'}{$img} = 1;
                             }
                         }
                     }
@@ -10333,11 +10098,6 @@ sub default_change_checker {
             if ($confhash->{$role}{'showlogo'}{$img} == 0) {
                 $changes->{$role}{'showlogo'}{$img} = 1;
             }
-            if (ref($confhash->{$role}{'alttext'}) eq 'HASH') {
-                if ($confhash->{$role}{'alttext'}{$img} ne '') {
-                    $changes->{$role}{'alttext'}{$img} = 1;
-                }
-            }
         }
     }
     if ($confhash->{$role}{'font'}) {
@@ -10376,19 +10136,12 @@ sub display_colorchgs {
                             } else {
                                 $resulttext .= '<li>'.&mt("$choices{$item} set to not be displayed").'</li>';
                             }
-                        } elsif (($role eq 'login') && ($key eq 'alttext')) {
-                            if ($confhash->{$role}{$key}{$item} ne '') {
-                                $resulttext .= '<li>'.&mt("$choices{$key for $choices{$item} set to [_1].",
-                                               $confhash->{$role}{$key}{$item}).'</li>';
-                            } else {
-                                $resulttext .= '<li>'.&mt("$choices{$key} for $choices{$item} deleted.").'</li>';
-                            }
                         } elsif ($confhash->{$role}{$item} eq '') {
                             $resulttext .= '<li>'.&mt("$choices{$item} set to default").'</li>';
                         } else {
                             my $newitem = $confhash->{$role}{$item};
                             if ($key eq 'images') {
-                                $newitem = '<img src="'.$confhash->{$role}{$item}.'" alt="'.$choices{$item}.'" valign="bottom" />';
+                                $newitem = '<img src="'.$confhash->{$role}{$item}.'" alt="'.$choices{$item}.'" style="vertical-align: bottom" />';
                             }
                             $resulttext .= '<li>'.&mt("$choices{$item} set to [_1]",$newitem).'</li>';
                         }
@@ -10441,7 +10194,7 @@ sub check_configuser {
     my ($configuserok,%currroles);
     if ($uhome eq 'no_host') {
         srand( time() ^ ($$ + ($$ << 15))  ); # Seed rand.
-        my $configpass = &LONCAPA::Enrollment::create_password($dom);
+        my $configpass = &LONCAPA::Enrollment::create_password();
         $configuserok = 
             &Apache::lonnet::modifyuser($dom,$confname,'','internal',
                              $configpass,'','','','','',undef,$servadm);
@@ -10470,7 +10223,7 @@ sub check_authorstatus {
 
 sub publishlogo {
     my ($r,$action,$formname,$dom,$confname,$subdir,$thumbwidth,$thumbheight,$savefileas) = @_;
-    my ($output,$fname,$logourl);
+    my ($output,$fname,$logourl,$madethumb);
     if ($action eq 'upload') {
         $fname=$env{'form.'.$formname.'.filename'};
         chop($env{'form.'.$formname});
@@ -10599,6 +10352,7 @@ $env{'user.name'}.':'.$env{'user.domain'
                                     $r->set_handlers('PerlCleanupHandler' => [\&notifysubscribed,@{$handlers}]);
                                     $registered_cleanup=1;
                                 }
+                                $madethumb = 1;
                             } else {
                                 print $logfile "\nUnable to write ".$copyfile.
                                                ':'.$!."\n";
@@ -10611,7 +10365,7 @@ $env{'user.name'}.':'.$env{'user.domain'
             $output = $versionresult;
         }
     }
-    return ($output,$logourl);
+    return ($output,$logourl,$madethumb);
 }
 
 sub logo_versioning {
@@ -10765,7 +10519,7 @@ sub modify_quotas {
         $context = $action;
     }
     if ($context eq 'requestcourses') {
-        @usertools = ('official','unofficial','community','textbook');
+        @usertools = ('official','unofficial','community','textbook','placement','lti');
         @options =('norequest','approval','validate','autolimit');
         %validations = &Apache::lonnet::auto_courserequest_checks($dom);
         %titles = &courserequest_titles();
@@ -10814,7 +10568,7 @@ sub modify_quotas {
         my @approvalnotify = &Apache::loncommon::get_env_multiple('form.'.$context.'notifyapproval');
         @approvalnotify = sort(@approvalnotify);
         $confhash{'notify'}{'approval'} = join(',',@approvalnotify);
-        my @crstypes = ('official','unofficial','community','textbook');
+        my @crstypes = ('official','unofficial','community','textbook','placement','lti');
         my @hasuniquecode = &Apache::loncommon::get_env_multiple('form.uniquecode');
         foreach my $type (@hasuniquecode) {
             if (grep(/^\Q$type\E$/,@crstypes)) {
@@ -10936,7 +10690,7 @@ sub modify_quotas {
                                             &Apache::lonnet::logthis($error);
                                             $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
                                         }
-                                    } 
+                                    }
                                 } elsif ($domconfig{$action}{$type}{$key}{'image'}) {
                                     $confhash{$type}{$key}{'image'} = 
                                         $domconfig{$action}{$type}{$key}{'image'};
@@ -11488,6 +11242,1172 @@ sub process_textbook_image {
     return ($url,$error);
 }
 
+sub modify_ltitools {
+    my ($r,$dom,$action,$lastactref,%domconfig) = @_;
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my ($newid,@allpos,%changes,%confhash,%encconfig,$errors,$resulttext);
+    my $confname = $dom.'-domainconfig';
+    my $servadm = $r->dir_config('lonAdmEMail');
+    my ($configuserok,$author_ok,$switchserver) = &config_check($dom,$confname,$servadm);
+    my (%posslti,%possfield);
+    my @courseroles = ('cc','in','ta','ep','st');
+    my @ltiroles = qw(Instructor ContentDeveloper TeachingAssistant Learner);
+    map { $posslti{$_} = 1; } @ltiroles;
+    my @allfields = ('fullname','firstname','lastname','email','user','roles');
+    map { $possfield{$_} = 1; } @allfields;
+    my %lt = &ltitools_names(); 
+    if ($env{'form.ltitools_add'}) {
+        my $title = $env{'form.ltitools_add_title'};
+        $title =~ s/(`)/'/g;
+        ($newid,my $error) = &get_ltitools_id($dom,$title);
+        if ($newid) {
+            my $position = $env{'form.ltitools_add_pos'};
+            $position =~ s/\D+//g;
+            if ($position ne '') {
+                $allpos[$position] = $newid;
+            }
+            $changes{$newid} = 1;
+            foreach my $item ('title','url','key','secret','lifetime') {
+                $env{'form.ltitools_add_'.$item} =~ s/(`)/'/g;
+                if ($item eq 'lifetime') {
+                    $env{'form.ltitools_add_'.$item} =~ s/[^\d.]//g;
+                }
+                if ($env{'form.ltitools_add_'.$item}) {
+                    if (($item eq 'key') || ($item eq 'secret')) {
+                        $encconfig{$newid}{$item} = $env{'form.ltitools_add_'.$item};
+                    } else {
+                        $confhash{$newid}{$item} = $env{'form.ltitools_add_'.$item};
+                    }
+                }
+            }
+            if ($env{'form.ltitools_add_version'} eq 'LTI-1p0') {
+                $confhash{$newid}{'version'} = $env{'form.ltitools_add_version'};
+            }
+            if ($env{'form.ltitools_add_msgtype'} eq 'basic-lti-launch-request') {
+                $confhash{$newid}{'msgtype'} = $env{'form.ltitools_add_msgtype'};
+            }
+            if ($env{'form.ltitools_add_sigmethod'} eq 'HMAC-SHA256') {
+                $confhash{$newid}{'sigmethod'} = $env{'form.ltitools_add_sigmethod'};
+            } else {
+                $confhash{$newid}{'sigmethod'} = 'HMAC-SHA1';
+            }
+            foreach my $item ('width','height','linktext','explanation') {
+                $env{'form.ltitools_add_'.$item} =~ s/^\s+//;
+                $env{'form.ltitools_add_'.$item} =~ s/\s+$//;
+                if (($item eq 'width') || ($item eq 'height')) {
+                    if ($env{'form.ltitools_add_'.$item} =~ /^\d+$/) {
+                        $confhash{$newid}{'display'}{$item} = $env{'form.ltitools_add_'.$item};
+                    }
+                } else {
+                    if ($env{'form.ltitools_add_'.$item} ne '') {
+                        $confhash{$newid}{'display'}{$item} = $env{'form.ltitools_add_'.$item}; 
+                    }
+                }
+            }
+            if ($env{'form.ltitools_add_target'} eq 'window') {
+                $confhash{$newid}{'display'}{'target'} = $env{'form.ltitools_add_target'};
+            } elsif ($env{'form.ltitools_add_target'} eq 'tab') {
+                $confhash{$newid}{'display'}{'target'} = $env{'form.ltitools_add_target'};
+            } else {
+                $confhash{$newid}{'display'}{'target'} = 'iframe';
+            }
+            foreach my $item ('passback','roster') {
+                if ($env{'form.ltitools_'.$item.'_add'}) {
+                    $confhash{$newid}{$item} = 1;
+                    if ($env{'form.ltitools_'.$item.'valid_add'} ne '') {
+                        my $lifetime = $env{'form.ltitools_'.$item.'valid_add'};
+                        $lifetime =~ s/^\s+|\s+$//g;
+                        if ($lifetime =~ /^\d+\.?\d*$/) {
+                            $confhash{$newid}{$item.'valid'} = $lifetime;
+                        }
+                    }
+                }
+            }
+            if ($env{'form.ltitools_add_image.filename'} ne '') {
+                my ($imageurl,$error) =
+                    &process_ltitools_image($r,$dom,$confname,'ltitools_add_image',$newid,
+                                            $configuserok,$switchserver,$author_ok);
+                if ($imageurl) {
+                    $confhash{$newid}{'image'} = $imageurl;
+                }
+                if ($error) {
+                    &Apache::lonnet::logthis($error);
+                    $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+                }
+            }
+            my @fields = &Apache::loncommon::get_env_multiple('form.ltitools_add_fields');
+            foreach my $field (@fields) {
+                if ($possfield{$field}) {
+                    if ($field eq 'roles') {
+                        foreach my $role (@courseroles) {
+                            my $choice = $env{'form.ltitools_add_roles_'.$role};
+                            if (($choice ne '') && ($posslti{$choice})) {
+                                $confhash{$newid}{'roles'}{$role} = $choice;
+                                if ($role eq 'cc') {
+                                    $confhash{$newid}{'roles'}{'co'} = $choice; 
+                                }
+                            }
+                        }
+                    } else {
+                        $confhash{$newid}{'fields'}{$field} = 1;
+                    }
+                }
+            }
+            if (ref($confhash{$newid}{'fields'}) eq 'HASH') {
+                if ($confhash{$newid}{'fields'}{'user'}) {
+                    if ($env{'form.ltitools_userincdom_add'}) {
+                        $confhash{$newid}{'incdom'} = 1;
+                    }
+                }
+            }
+            my @courseconfig = &Apache::loncommon::get_env_multiple('form.ltitools_courseconfig');
+            foreach my $item (@courseconfig) {
+                $confhash{$newid}{'crsconf'}{$item} = 1;
+            }
+            if ($env{'form.ltitools_add_custom'}) {
+                my $name = $env{'form.ltitools_add_custom_name'};
+                my $value = $env{'form.ltitools_add_custom_value'};
+                $value =~ s/(`)/'/g;
+                $name =~ s/(`)/'/g;
+                $confhash{$newid}{'custom'}{$name} = $value;
+            }
+        } else {
+            my $error = &mt('Failed to acquire unique ID for new external tool');   
+            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+        }
+    }
+    if (ref($domconfig{$action}) eq 'HASH') {
+        my %deletions;
+        my @todelete = &Apache::loncommon::get_env_multiple('form.ltitools_del');
+        if (@todelete) {
+            map { $deletions{$_} = 1; } @todelete;
+        }
+        my %customadds;
+        my @newcustom = &Apache::loncommon::get_env_multiple('form.ltitools_customadd');
+        if (@newcustom) {
+            map { $customadds{$_} = 1; } @newcustom;
+        } 
+        my %imgdeletions;
+        my @todeleteimages = &Apache::loncommon::get_env_multiple('form.ltitools_image_del');
+        if (@todeleteimages) {
+            map { $imgdeletions{$_} = 1; } @todeleteimages;
+        }
+        my $maxnum = $env{'form.ltitools_maxnum'};
+        for (my $i=0; $i<=$maxnum; $i++) {
+            my $itemid = $env{'form.ltitools_id_'.$i};
+            $itemid =~ s/\D+//g;
+            if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
+                if ($deletions{$itemid}) {
+                    if ($domconfig{$action}{$itemid}{'image'}) {
+                        #FIXME need to obsolete item in RES space
+                    }
+                    $changes{$itemid} = $domconfig{$action}{$itemid}{'title'};
+                    next;
+                } else {
+                    my $newpos = $env{'form.ltitools_'.$itemid};
+                    $newpos =~ s/\D+//g;
+                    foreach my $item ('title','url','lifetime') {
+                        $confhash{$itemid}{$item} = $env{'form.ltitools_'.$item.'_'.$i};
+                        if ($domconfig{$action}{$itemid}{$item} ne $confhash{$itemid}{$item}) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                    foreach my $item ('key','secret') {
+                        $encconfig{$itemid}{$item} = $env{'form.ltitools_'.$item.'_'.$i};
+                        if ($domconfig{$action}{$itemid}{$item} ne $encconfig{$itemid}{$item}) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                    if ($env{'form.ltitools_version_'.$i} eq 'LTI-1p0') {
+                        $confhash{$itemid}{'version'} = $env{'form.ltitools_version_'.$i};
+                    }
+                    if ($env{'form.ltitools_msgtype_'.$i} eq 'basic-lti-launch-request') {
+                        $confhash{$itemid}{'msgtype'} = $env{'form.ltitools_msgtype_'.$i};
+                    }
+                    if ($env{'form.ltitools_sigmethod_'.$i} eq 'HMAC-SHA256') {
+                        $confhash{$itemid}{'sigmethod'} = $env{'form.ltitools_sigmethod_'.$i};
+                    } else {
+                        $confhash{$itemid}{'sigmethod'} = 'HMAC-SHA1'; 
+                    }
+                    if ($domconfig{$action}{$itemid}{'sigmethod'} eq '') {
+                        if ($confhash{$itemid}{'sigmethod'} ne 'HMAC-SHA1') {
+                            $changes{$itemid} = 1;
+                        }
+                    } elsif ($domconfig{$action}{$itemid}{'sigmethod'} ne $confhash{$itemid}{'sigmethod'}) {
+                        $changes{$itemid} = 1;
+                    }
+                    foreach my $size ('width','height') {
+                        $env{'form.ltitools_'.$size.'_'.$i} =~ s/^\s+//;
+                        $env{'form.ltitools_'.$size.'_'.$i} =~ s/\s+$//;
+                        if ($env{'form.ltitools_'.$size.'_'.$i} =~ /^\d+$/) {
+                            $confhash{$itemid}{'display'}{$size} = $env{'form.ltitools_'.$size.'_'.$i};
+                            if (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
+                                if ($domconfig{$action}{$itemid}{'display'}{$size} ne $confhash{$itemid}{'display'}{$size}) {
+                                    $changes{$itemid} = 1;
+                                }
+                            } else {
+                                $changes{$itemid} = 1;
+                            }
+                        } elsif (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
+                            if ($domconfig{$action}{$itemid}{'display'}{$size} ne '') {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                    foreach my $item ('linktext','explanation') {
+                        $env{'form.ltitools_'.$item.'_'.$i} =~ s/^\s+//;
+                        $env{'form.ltitools_'.$item.'_'.$i} =~ s/\s+$//;
+                        if ($env{'form.ltitools_'.$item.'_'.$i} ne '') {
+                            $confhash{$itemid}{'display'}{$item} = $env{'form.ltitools_'.$item.'_'.$i};
+                            if (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
+                                if ($domconfig{$action}{$itemid}{'display'}{$item} ne $confhash{$itemid}{'display'}{$item}) {
+                                    $changes{$itemid} = 1;
+                                }
+                            } else {
+                                $changes{$itemid} = 1;
+                            }
+                        } elsif (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
+                            if ($domconfig{$action}{$itemid}{'display'}{$item} ne '') {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                    if ($env{'form.ltitools_target_'.$i} eq 'window') {
+                        $confhash{$itemid}{'display'}{'target'} = $env{'form.ltitools_target_'.$i};
+                    } elsif ($env{'form.ltitools_target_'.$i} eq 'tab') {
+                        $confhash{$itemid}{'display'}{'target'} = $env{'form.ltitools_target_'.$i};
+                    } else {
+                        $confhash{$itemid}{'display'}{'target'} = 'iframe';
+                    }
+                    if (ref($domconfig{$action}{$itemid}{'display'}) eq 'HASH') {
+                        if ($domconfig{$action}{$itemid}{'display'}{'target'} ne $confhash{$itemid}{'display'}{'target'}) {
+                            $changes{$itemid} = 1;
+                        }
+                    } else {
+                        $changes{$itemid} = 1;
+                    }
+                    foreach my $extra ('passback','roster') {
+                        if ($env{'form.ltitools_'.$extra.'_'.$i}) {
+                            $confhash{$itemid}{$extra} = 1;
+                            if ($env{'form.ltitools_'.$extra.'valid_'.$i} ne '') {
+                                my $lifetime = $env{'form.ltitools_'.$extra.'valid_'.$i};
+                                $lifetime =~ s/^\s+|\s+$//g;
+                                if ($lifetime =~ /^\d+\.?\d*$/) {
+                                    $confhash{$itemid}{$extra.'valid'} = $lifetime;
+                                }
+                            }
+                        }
+                        if ($domconfig{$action}{$itemid}{$extra} ne $confhash{$itemid}{$extra}) {
+                            $changes{$itemid} = 1;
+                        }
+                        if ($domconfig{$action}{$itemid}{$extra.'valid'} ne $confhash{$itemid}{$extra.'valid'}) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                    my @courseconfig = &Apache::loncommon::get_env_multiple('form.ltitools_courseconfig_'.$i);
+                    foreach my $item ('label','title','target','linktext','explanation','append') {
+                        if (grep(/^\Q$item\E$/,@courseconfig)) {
+                            $confhash{$itemid}{'crsconf'}{$item} = 1;
+                            if (ref($domconfig{$action}{$itemid}{'crsconf'}) eq 'HASH') {
+                                if ($domconfig{$action}{$itemid}{'crsconf'}{$item} ne $confhash{$itemid}{'crsconf'}{$item}) {
+                                    $changes{$itemid} = 1;
+                                }
+                            } else {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                    my @fields = &Apache::loncommon::get_env_multiple('form.ltitools_fields_'.$i);
+                    foreach my $field (@fields) {
+                        if ($possfield{$field}) {
+                            if ($field eq 'roles') {
+                                foreach my $role (@courseroles) {
+                                    my $choice = $env{'form.ltitools_roles_'.$role.'_'.$i};
+                                    if (($choice ne '') && ($posslti{$choice})) {
+                                        $confhash{$itemid}{'roles'}{$role} = $choice;
+                                        if ($role eq 'cc') {
+                                            $confhash{$itemid}{'roles'}{'co'} = $choice;
+                                        }
+                                    }
+                                    if (ref($domconfig{$action}{$itemid}{'roles'}) eq 'HASH') {
+                                        if ($domconfig{$action}{$itemid}{'roles'}{$role} ne $confhash{$itemid}{'roles'}{$role}) {
+                                            $changes{$itemid} = 1;
+                                        }
+                                    } elsif ($confhash{$itemid}{'roles'}{$role}) {
+                                        $changes{$itemid} = 1;
+                                    }
+                                }
+                            } else {
+                                $confhash{$itemid}{'fields'}{$field} = 1;
+                                if (ref($domconfig{$action}{$itemid}{'fields'}) eq 'HASH') {
+                                    if ($domconfig{$action}{$itemid}{'fields'}{$field} ne $confhash{$itemid}{'fields'}{$field}) {
+                                        $changes{$itemid} = 1;
+                                    }
+                                } else {
+                                    $changes{$itemid} = 1;
+                                }
+                            }
+                        }
+                    }
+                    if (ref($confhash{$itemid}{'fields'}) eq 'HASH') {
+                        if ($confhash{$itemid}{'fields'}{'user'}) {
+                            if ($env{'form.ltitools_userincdom_'.$i}) {
+                                $confhash{$itemid}{'incdom'} = 1;
+                            }
+                            if ($domconfig{$action}{$itemid}{'incdom'} ne $confhash{$itemid}{'incdom'}) {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                    $allpos[$newpos] = $itemid;
+                }
+                if ($imgdeletions{$itemid}) {
+                    $changes{$itemid} = 1;
+                    #FIXME need to obsolete item in RES space
+                } elsif ($env{'form.ltitools_image_'.$i.'.filename'}) {
+                    my ($imgurl,$error) = &process_ltitools_image($r,$dom,$confname,'ltitools_image_'.$i,
+                                                                 $itemid,$configuserok,$switchserver,
+                                                                 $author_ok);
+                    if ($imgurl) {
+                        $confhash{$itemid}{'image'} = $imgurl;
+                        $changes{$itemid} = 1;
+                    }
+                    if ($error) {
+                        &Apache::lonnet::logthis($error);
+                        $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+                    }
+                } elsif ($domconfig{$action}{$itemid}{'image'}) {
+                    $confhash{$itemid}{'image'} =
+                       $domconfig{$action}{$itemid}{'image'};
+                }
+                if ($customadds{$i}) {
+                    my $name = $env{'form.ltitools_custom_name_'.$i};
+                    $name =~ s/(`)/'/g;
+                    $name =~ s/^\s+//;
+                    $name =~ s/\s+$//;
+                    my $value = $env{'form.ltitools_custom_value_'.$i};
+                    $value =~ s/(`)/'/g;
+                    $value =~ s/^\s+//;
+                    $value =~ s/\s+$//;
+                    if ($name ne '') {
+                        $confhash{$itemid}{'custom'}{$name} = $value;
+                        $changes{$itemid} = 1;
+                    }
+                }
+                my %customdels;
+                my @customdeletions = &Apache::loncommon::get_env_multiple('form.ltitools_customdel_'.$i); 
+                if (@customdeletions) {
+                    $changes{$itemid} = 1;
+                }
+                map { $customdels{$_} = 1; } @customdeletions;
+                if (ref($domconfig{$action}{$itemid}{'custom'}) eq 'HASH') {
+                    foreach my $key (keys(%{$domconfig{$action}{$itemid}{'custom'}})) {
+                        unless ($customdels{$key}) {
+                            if ($env{'form.ltitools_customval_'.$key.'_'.$i} ne '') {
+                                $confhash{$itemid}{'custom'}{$key} = $env{'form.ltitools_customval_'.$key.'_'.$i}; 
+                            }
+                            if ($domconfig{$action}{$itemid}{'custom'}{$key} ne $env{'form.ltitools_customval_'.$key.'_'.$i}) {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                }
+                unless ($changes{$itemid}) {
+                    foreach my $key (keys(%{$domconfig{$action}{$itemid}})) {
+                        if (ref($domconfig{$action}{$itemid}{$key}) eq 'HASH') {
+                            if (ref($confhash{$itemid}{$key}) eq 'HASH') {
+                                foreach my $innerkey (keys(%{$domconfig{$action}{$itemid}{$key}})) {
+                                    unless (exists($confhash{$itemid}{$key}{$innerkey})) {
+                                        $changes{$itemid} = 1;
+                                        last;
+                                    }
+                                }
+                            } elsif (keys(%{$domconfig{$action}{$itemid}{$key}}) > 0) {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                        last if ($changes{$itemid});
+                    }
+                }
+            }
+        }
+    }
+    if (@allpos > 0) {
+        my $idx = 0;
+        foreach my $itemid (@allpos) {
+            if ($itemid ne '') {
+                $confhash{$itemid}{'order'} = $idx;
+                if (ref($domconfig{$action}) eq 'HASH') {
+                    if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
+                        if ($domconfig{$action}{$itemid}{'order'} ne $idx) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                }
+                $idx ++;
+            }
+        }
+    }
+    my %ltitoolshash = (
+                          $action => { %confhash }
+                       );
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%ltitoolshash,
+                                             $dom);
+    if ($putresult eq 'ok') {
+        my %ltienchash = (
+                             $action => { %encconfig }
+                         );
+        &Apache::lonnet::put_dom('encconfig',\%ltienchash,$dom);
+        if (keys(%changes) > 0) {
+            my $cachetime = 24*60*60;
+            my %ltiall = %confhash;
+            foreach my $id (keys(%ltiall)) {
+                if (ref($encconfig{$id}) eq 'HASH') {
+                    foreach my $item ('key','secret') {
+                        $ltiall{$id}{$item} = $encconfig{$id}{$item};
+                    }
+                }
+            }
+            &Apache::lonnet::do_cache_new('ltitools',$dom,\%ltiall,$cachetime);
+            if (ref($lastactref) eq 'HASH') {
+                $lastactref->{'ltitools'} = 1;
+            }
+            $resulttext = &mt('Changes made:').'<ul>';
+            my %bynum;
+            foreach my $itemid (sort(keys(%changes))) {
+                my $position = $confhash{$itemid}{'order'};
+                $bynum{$position} = $itemid;
+            }
+            foreach my $pos (sort { $a <=> $b } keys(%bynum)) {
+                my $itemid = $bynum{$pos}; 
+                if (ref($confhash{$itemid}) ne 'HASH') {
+                    $resulttext .= '<li>'.&mt('Deleted: [_1]',$changes{$itemid}).'</li>';
+                } else {
+                    $resulttext .= '<li><b>'.$confhash{$itemid}{'title'}.'</b>';
+                    if ($confhash{$itemid}{'image'}) {
+                        $resulttext .= '&nbsp;'.
+                                       '<img src="'.$confhash{$itemid}{'image'}.'"'.
+                                       ' alt="'.&mt('Tool Provider icon').'" />';
+                    }
+                    $resulttext .= '</li><ul>';
+                    my $position = $pos + 1;
+                    $resulttext .= '<li>'.&mt('Order: [_1]',$position).'</li>';
+                    foreach my $item ('version','msgtype','sigmethod','url','lifetime') {
+                        if ($confhash{$itemid}{$item} ne '') {
+                            $resulttext .= '<li>'.$lt{$item}.':&nbsp;'.$confhash{$itemid}{$item}.'</li>';
+                        }
+                    }
+                    if ($encconfig{$itemid}{'key'} ne '') {
+                        $resulttext .= '<li>'.$lt{'key'}.':&nbsp;'.$encconfig{$itemid}{'key'}.'</li>';
+                    }
+                    if ($encconfig{$itemid}{'secret'} ne '') {
+                        $resulttext .= '<li>'.$lt{'secret'}.':&nbsp;';
+                        my $num = length($encconfig{$itemid}{'secret'});
+                        $resulttext .= ('*'x$num).'</li>';
+                    }
+                    $resulttext .= '<li>'.&mt('Configurable in course:');
+                    my @possconfig = ('label','title','target','linktext','explanation','append');
+                    my $numconfig = 0; 
+                    if (ref($confhash{$itemid}{'crsconf'}) eq 'HASH') { 
+                        foreach my $item (@possconfig) {
+                            if ($confhash{$itemid}{'crsconf'}{$item}) {
+                                $numconfig ++;
+                                $resulttext .= ' "'.$lt{'crs'.$item}.'"';
+                            }
+                        }
+                    }
+                    if (!$numconfig) {
+                        $resulttext .= &mt('None');
+                    }
+                    $resulttext .= '</li>';
+                    foreach my $item ('passback','roster') {
+                        $resulttext .= '<li>'.$lt{$item}.'&nbsp;';
+                        if ($confhash{$itemid}{$item}) {
+                            $resulttext .= &mt('Yes');
+                            if ($confhash{$itemid}{$item.'valid'}) {
+                                if ($item eq 'passback') {
+                                    $resulttext .= ' '.&mt('valid for at least [quant,_1,day] after launch',
+                                                           $confhash{$itemid}{$item.'valid'});
+                                } else {
+                                    $resulttext .= ' '.&mt('valid for at least [quant,_1,second] after launch',
+                                                           $confhash{$itemid}{$item.'valid'});
+                                }
+                            }
+                        } else {
+                            $resulttext .= &mt('No');
+                        }
+                        $resulttext .= '</li>';
+                    }
+                    if (ref($confhash{$itemid}{'display'}) eq 'HASH') {
+                        my $displaylist;
+                        if ($confhash{$itemid}{'display'}{'target'}) {
+                            $displaylist = &mt('Display target').':&nbsp;'.
+                                           $confhash{$itemid}{'display'}{'target'}.',';
+                        }
+                        foreach my $size ('width','height') { 
+                            if ($confhash{$itemid}{'display'}{$size}) {
+                                $displaylist .= ('&nbsp;'x2).$lt{$size}.':&nbsp;'.
+                                                $confhash{$itemid}{'display'}{$size}.',';
+                            }
+                        }
+                        if ($displaylist) {
+                            $displaylist =~ s/,$//;
+                            $resulttext .= '<li>'.$displaylist.'</li>';
+                        }
+                        foreach my $item ('linktext','explanation') {
+                            if ($confhash{$itemid}{'display'}{$item}) {
+                                $resulttext .= '<li>'.$lt{$item}.':&nbsp;'.$confhash{$itemid}{'display'}{$item}.'</li>';
+                            }
+                        }
+                    }
+                    if (ref($confhash{$itemid}{'fields'}) eq 'HASH') {
+                        my $fieldlist;
+                        foreach my $field (@allfields) {
+                            if ($confhash{$itemid}{'fields'}{$field}) {
+                                $fieldlist .= ('&nbsp;'x2).$lt{$field}.',';
+                            }
+                        }
+                        if ($fieldlist) {
+                            $fieldlist =~ s/,$//;
+                            if ($confhash{$itemid}{'fields'}{'user'}) {
+                                if ($confhash{$itemid}{'incdom'}) {
+                                    $fieldlist .= ' ('.&mt('username:domain').')';
+                                } else {
+                                    $fieldlist .= ' ('.&mt('username').')';
+                                }
+                            }
+                            $resulttext .= '<li>'.&mt('Data sent').':'.$fieldlist.'</li>';
+                        }
+                    }
+                    if (ref($confhash{$itemid}{'roles'}) eq 'HASH') {
+                        my $rolemaps;
+                        foreach my $role (@courseroles) {
+                            if ($confhash{$itemid}{'roles'}{$role}) {
+                                $rolemaps .= ('&nbsp;'x2).&Apache::lonnet::plaintext($role,'Course').'='.
+                                             $confhash{$itemid}{'roles'}{$role}.',';
+                            }
+                        }
+                        if ($rolemaps) {
+                            $rolemaps =~ s/,$//; 
+                            $resulttext .= '<li>'.&mt('Role mapping:').$rolemaps.'</li>';
+                        }
+                    }
+                    if (ref($confhash{$itemid}{'custom'}) eq 'HASH') {
+                        my $customlist;
+                        if (keys(%{$confhash{$itemid}{'custom'}})) {
+                            foreach my $key (sort(keys(%{$confhash{$itemid}{'custom'}}))) {
+                                $customlist .= $key.':'.$confhash{$itemid}{'custom'}{$key}.('&nbsp;'x2);
+                            } 
+                        }
+                        if ($customlist) {
+                            $resulttext .= '<li>'.&mt('Custom items').': '.$customlist.'</li>';
+                        }
+                    } 
+                    $resulttext .= '</ul></li>';
+                }
+            }
+            $resulttext .= '</ul>';
+        } else {
+            $resulttext = &mt('No changes made.');
+        }
+    } else {
+        $errors .= '<li><span class="LC_error">'.&mt('Failed to save changes').'</span></li>';
+    }
+    if ($errors) {
+        $resulttext .= &mt('The following errors occurred: ').'<ul>'.
+                       $errors.'</ul>';
+    }
+    return $resulttext;
+}
+
+sub process_ltitools_image {
+    my ($r,$dom,$confname,$caller,$itemid,$configuserok,$switchserver,$author_ok) = @_;
+    my $filename = $env{'form.'.$caller.'.filename'};
+    my ($error,$url);
+    my ($width,$height) = (21,21);
+    if ($configuserok eq 'ok') {
+        if ($switchserver) {
+            $error = &mt('Upload of Tool Provider (LTI) icon is not permitted to this server: [_1]',
+                         $switchserver);
+        } elsif ($author_ok eq 'ok') {
+            my ($result,$imageurl,$madethumb) =
+                &publishlogo($r,'upload',$caller,$dom,$confname,
+                             "ltitools/$itemid/icon",$width,$height);
+            if ($result eq 'ok') {
+                if ($madethumb) {
+                    my ($path,$imagefile) = ($imageurl =~ m{^(.+)/([^/]+)$});
+                    my $imagethumb = "$path/tn-".$imagefile;
+                    $url = $imagethumb;
+                } else {
+                    $url = $imageurl;
+                }
+            } else {
+                $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$filename,$result);
+            }
+        } else {
+            $error = &mt("Upload of [_1] failed because an author role could not be assigned to a Domain Configuration user ([_2]) in domain: [_3].  Error was: [_4].",$filename,$confname,$dom,$author_ok);
+        }
+    } else {
+        $error = &mt("Upload of [_1] failed because a Domain Configuration user ([_2]) could not be created in domain: [_3].  Error was: [_4].",$filename,$confname,$dom,$configuserok);
+    }
+    return ($url,$error);
+}
+
+sub get_ltitools_id {
+    my ($cdom,$title) = @_;
+    # get lock on ltitools db
+    my $lockhash = {
+                      lock => $env{'user.name'}.
+                              ':'.$env{'user.domain'},
+                   };
+    my $tries = 0;
+    my $gotlock = &Apache::lonnet::newput_dom('ltitools',$lockhash,$cdom);
+    my ($id,$error);
+ 
+    while (($gotlock ne 'ok') && ($tries<10)) {
+        $tries ++;
+        sleep (0.1);
+        $gotlock = &Apache::lonnet::newput_dom('ltitools',$lockhash,$cdom);
+    }
+    if ($gotlock eq 'ok') {
+        my %currids = &Apache::lonnet::dump_dom('ltitools',$cdom);
+        if ($currids{'lock'}) {
+            delete($currids{'lock'});
+            if (keys(%currids)) {
+                my @curr = sort { $a <=> $b } keys(%currids);
+                if ($curr[-1] =~ /^\d+$/) {
+                    $id = 1 + $curr[-1];
+                }
+            } else {
+                $id = 1;
+            }
+            if ($id) {
+                unless (&Apache::lonnet::newput_dom('ltitools',{ $id => $title },$cdom) eq 'ok') {
+                    $error = 'nostore';
+                }
+            } else {
+                $error = 'nonumber';
+            }
+        }
+        my $dellockoutcome = &Apache::lonnet::del_dom('ltitools',['lock'],$cdom);
+    } else {
+        $error = 'nolock';
+    }
+    return ($id,$error);
+}
+
+sub modify_lti {
+    my ($r,$dom,$action,$lastactref,%domconfig) = @_;
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my ($newid,@allpos,%changes,%confhash,%encconfig,$errors,$resulttext);
+    my (%posslti,%posslticrs,%posscrstype);
+    my @courseroles = ('cc','in','ta','ep','st');
+    my @ltiroles = qw(Learner Instructor ContentDeveloper TeachingAssistant Mentor Member Manager Administrator);
+    my @lticourseroles = qw(Instructor TeachingAssistant Mentor Learner);
+    my @coursetypes = ('official','unofficial','community','textbook','placement');
+    my %coursetypetitles = &Apache::lonlocal::texthash (
+                               official   => 'Official',
+                               unofficial => 'Unofficial',
+                               community  => 'Community',
+                               textbook   => 'Textbook',
+                               placement  => 'Placement Test',
+    );
+    my %fieldtitles = &Apache::loncommon::personal_data_fieldtitles();
+    my %lt = &lti_names();
+    map { $posslti{$_} = 1; } @ltiroles;
+    map { $posslticrs{$_} = 1; } @lticourseroles;
+    map { $posscrstype{$_} = 1; } @coursetypes;
+
+    my %menutitles = &ltimenu_titles();
+
+    my (@items,%deletions,%itemids);
+    if ($env{'form.lti_add'}) {
+        my $consumer = $env{'form.lti_consumer_add'};
+        $consumer =~ s/(`)/'/g;
+        ($newid,my $error) = &get_lti_id($dom,$consumer);
+        if ($newid) {
+            $itemids{'add'} = $newid;
+            push(@items,'add');
+            $changes{$newid} = 1;
+        } else {
+            my $error = &mt('Failed to acquire unique ID for new LTI configuration');
+            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+        }
+    }
+    if (ref($domconfig{$action}) eq 'HASH') {
+        my @todelete = &Apache::loncommon::get_env_multiple('form.lti_del');
+        if (@todelete) {
+            map { $deletions{$_} = 1; } @todelete;
+        }
+        my $maxnum = $env{'form.lti_maxnum'};
+        for (my $i=0; $i<=$maxnum; $i++) {
+            my $itemid = $env{'form.lti_id_'.$i};
+            $itemid =~ s/\D+//g;
+            if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
+                if ($deletions{$itemid}) {
+                    $changes{$itemid} = $domconfig{$action}{$itemid}{'consumer'};
+                } else {
+                   push(@items,$i);
+                   $itemids{$i} = $itemid;
+                }
+            }
+        }
+    }
+    foreach my $idx (@items) {
+        my $itemid = $itemids{$idx};
+        next unless ($itemid);
+        my $position = $env{'form.lti_pos_'.$idx};
+        $position =~ s/\D+//g;
+        if ($position ne '') {
+            $allpos[$position] = $itemid;
+        }
+        foreach my $item ('consumer','key','secret','lifetime','requser') {
+            my $formitem = 'form.lti_'.$item.'_'.$idx;
+            $env{$formitem} =~ s/(`)/'/g;
+            if ($item eq 'lifetime') {
+                $env{$formitem} =~ s/[^\d.]//g;
+            }
+            if ($env{$formitem} ne '') {
+                if (($item eq 'key') || ($item eq 'secret')) {
+                    $encconfig{$itemid}{$item} = $env{$formitem};
+                } else {
+                    $confhash{$itemid}{$item} = $env{$formitem};
+                    unless (($idx eq 'add') || ($changes{$itemid})) {
+                        if ($domconfig{$action}{$itemid}{$item} ne $confhash{$itemid}{$item}) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                }
+            }
+        }
+        if ($env{'form.lti_version_'.$idx} eq 'LTI-1p0') {
+            $confhash{$itemid}{'version'} = $env{'form.lti_version_'.$idx};
+        }
+        if ($confhash{$itemid}{'requser'}) {
+            if ($env{'form.lti_mapuser_'.$idx} eq 'sourcedid') {
+                $confhash{$itemid}{'mapuser'} = 'lis_person_sourcedid'; 
+            } elsif ($env{'form.lti_mapuser_'.$idx} eq 'email') {
+                $confhash{$itemid}{'mapuser'} = 'lis_person_contact_email_primary';
+            } elsif ($env{'form.lti_mapuser_'.$idx} eq 'other') {
+                my $mapuser = $env{'form.lti_customuser_'.$idx};
+                $mapuser =~ s/(`)/'/g;
+                $mapuser =~ s/^\s+|\s+$//g; 
+                $confhash{$itemid}{'mapuser'} = $mapuser; 
+            }
+            foreach my $ltirole (@lticourseroles) {
+                my $possrole = $env{'form.lti_maprole_'.$ltirole.'_'.$idx};
+                if (grep(/^\Q$possrole\E$/,@courseroles)) {
+                    $confhash{$itemid}{'maproles'}{$ltirole} = $possrole;
+                }
+            }
+            my @possmakeuser = &Apache::loncommon::get_env_multiple('form.lti_makeuser_'.$idx);
+            my @makeuser;
+            foreach my $ltirole (sort(@possmakeuser)) {
+                if ($posslti{$ltirole}) {
+                    push(@makeuser,$ltirole);
+                }
+            }
+            $confhash{$itemid}{'makeuser'} = \@makeuser;
+            if (@makeuser) {
+                my $lcauth = $env{'form.lti_lcauth_'.$idx};
+                if ($lcauth =~ /^(internal|krb4|krb5|localauth)$/) {
+                    $confhash{$itemid}{'lcauth'} = $lcauth;
+                    if ($lcauth ne 'internal') {
+                        my $lcauthparm = $env{'form.lti_lcauthparm_'.$idx};
+                        $lcauthparm =~ s/^(\s+|\s+)$//g;
+                        $lcauthparm =~ s/`//g;
+                        if ($lcauthparm ne '') {
+                            $confhash{$itemid}{'lcauthparm'} = $lcauthparm;
+                        }
+                    }
+                } else {
+                    $confhash{$itemid}{'lcauth'} = 'lti';
+                }
+            }
+            my @possinstdata =  &Apache::loncommon::get_env_multiple('form.lti_instdata_'.$idx);
+            if (@possinstdata) {
+                foreach my $field (@possinstdata) {
+                    if (exists($fieldtitles{$field})) {
+                        push(@{$confhash{$itemid}{'instdata'}});
+                    }
+                }
+            }
+            if (($env{'form.lti_mapcrs_'.$idx} eq 'course_offering_sourcedid') ||
+                ($env{'form.lti_mapcrs_'.$idx} eq 'context_id'))  {
+                $confhash{$itemid}{'mapcrs'} = $env{'form.lti_mapcrs_'.$idx};
+            } elsif ($env{'form.lti_mapcrs_'.$idx} eq 'other') {
+                my $mapcrs = $env{'form.lti_mapcrsfield_'.$idx}; 
+                $mapcrs =~ s/(`)/'/g;
+                $mapcrs =~ s/^\s+|\s+$//g;
+                $confhash{$itemid}{'mapcrs'} = $mapcrs;
+            }
+            my @posstypes = &Apache::loncommon::get_env_multiple('form.lti_mapcrstype_'.$idx);
+            my @crstypes;
+            foreach my $type (sort(@posstypes)) {
+                if ($posscrstype{$type}) {
+                    push(@crstypes,$type);
+                }
+            }
+            $confhash{$itemid}{'mapcrstype'} = \@crstypes;
+            if ($env{'form.lti_makecrs_'.$idx}) {
+                $confhash{$itemid}{'makecrs'} = 1;
+            }
+            my @possenroll = &Apache::loncommon::get_env_multiple('form.lti_selfenroll_'.$idx);
+            my @selfenroll;
+            foreach my $type (sort(@possenroll)) {
+                if ($posslticrs{$type}) {
+                    push(@selfenroll,$type);
+                }
+            }
+            $confhash{$itemid}{'selfenroll'} = \@selfenroll;
+            if ($env{'form.lti_crssec_'.$idx}) {
+                if ($env{'form.lti_crssecsrc_'.$idx} eq 'course_section_sourcedid') {
+                    $confhash{$itemid}{'section'} = $env{'form.lti_crssecsrc_'.$idx};
+                } elsif ($env{'form.lti_crssecsrc_'.$idx} eq 'other') {
+                    my $section = $env{'form.lti_customsection_'.$idx};
+                    $section =~ s/(`)/'/g;
+                    $section =~ s/^\s+|\s+$//g;
+                    if ($section ne '') {
+                        $confhash{$itemid}{'section'} = $section;
+                    }
+                }
+            }
+            foreach my $field ('passback','roster','topmenu','inlinemenu') {
+                if ($env{'form.lti_'.$field.'_'.$idx}) {
+                    $confhash{$itemid}{$field} = 1;
+                }
+            }
+            if ($env{'form.lti_passback_'.$idx}) {
+                if ($env{'form.lti_passbackformat_'.$idx} eq '1.0') {
+                    $confhash{$itemid}{'passbackformat'} = '1.0';
+                } else {
+                    $confhash{$itemid}{'passbackformat'} = '1.1';
+                }
+            }
+            if ($env{'form.lti_topmenu_'.$idx} || $env{'form.lti_inlinemenu_'.$idx}) {
+                $confhash{$itemid}{lcmenu} = [];
+                my @possmenu = &Apache::loncommon::get_env_multiple('form.lti_menuitem_'.$idx);
+                foreach my $field (@possmenu) {
+                    if (exists($menutitles{$field})) {
+                        if ($field eq 'grades') {
+                            next unless ($env{'form.lti_inlinemenu_'.$idx});
+                        }
+                        push(@{$confhash{$itemid}{lcmenu}},$field);
+                    }
+                }
+            }
+            unless (($idx eq 'add') || ($changes{$itemid})) {
+                foreach my $field ('mapuser','mapcrs','makecrs','section','passback','roster','lcauth','lcauthparm','topmenu','inlinemenu') {
+                    if ($domconfig{$action}{$itemid}{$field} ne $confhash{$itemid}{$field}) {
+                        $changes{$itemid} = 1;
+                    }
+                }
+                unless ($changes{$itemid}) {
+                    if ($domconfig{$action}{$itemid}{'passback'} eq $confhash{$itemid}{'passback'}) {
+                        if ($domconfig{$action}{$itemid}{'passbackformat'} ne $confhash{$itemid}{'passbackformat'}) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                }
+                foreach my $field ('makeuser','mapcrstype','selfenroll','instdata','lcmenu') {
+                    unless ($changes{$itemid}) {
+                        if (ref($domconfig{$action}{$itemid}{$field}) eq 'ARRAY') {
+                            if (ref($confhash{$itemid}{$field}) eq 'ARRAY') {
+                                my @diffs = &Apache::loncommon::compare_arrays($domconfig{$action}{$itemid}{$field},
+                                                                               $confhash{$itemid}{$field});
+                                if (@diffs) {
+                                    $changes{$itemid} = 1;
+                                }
+                            } elsif (@{$domconfig{$action}{$itemid}{$field}} > 0) {
+                                $changes{$itemid} = 1;
+                            }
+                        } elsif (ref($confhash{$itemid}{$field}) eq 'ARRAY') {
+                            if (@{$confhash{$itemid}{$field}} > 0) {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                }
+                unless ($changes{$itemid}) {
+                    if (ref($domconfig{$action}{$itemid}{'maproles'}) eq 'HASH') {
+                        if (ref($confhash{$itemid}{'maproles'}) eq 'HASH') {
+                            foreach my $ltirole (keys(%{$domconfig{$action}{$itemid}{'maproles'}})) {
+                                if ($domconfig{$action}{$itemid}{'maproles'}{$ltirole} ne 
+                                    $confhash{$itemid}{'maproles'}{$ltirole}) {
+                                    $changes{$itemid} = 1;
+                                    last;
+                                }
+                            }
+                            unless ($changes{$itemid}) {
+                                foreach my $ltirole (keys(%{$confhash{$itemid}{'maproles'}})) {
+                                    if ($confhash{$itemid}{'maproles'}{$ltirole} ne 
+                                        $domconfig{$action}{$itemid}{'maproles'}{$ltirole}) {
+                                        $changes{$itemid} = 1;
+                                        last;
+                                    }
+                                }
+                            }
+                        } elsif (keys(%{$domconfig{$action}{$itemid}{'maproles'}}) > 0) {
+                            $changes{$itemid} = 1;
+                        }
+                    } elsif (ref($confhash{$itemid}{'maproles'}) eq 'HASH') {
+                        unless ($changes{$itemid}) {
+                            if (keys(%{$confhash{$itemid}{'maproles'}}) > 0) {
+                                $changes{$itemid} = 1;
+                            }
+                        }
+                    }
+                }
+            }
+        }
+    }
+    if (@allpos > 0) {
+        my $idx = 0;
+        foreach my $itemid (@allpos) {
+            if ($itemid ne '') {
+                $confhash{$itemid}{'order'} = $idx;
+                if (ref($domconfig{$action}) eq 'HASH') {
+                    if (ref($domconfig{$action}{$itemid}) eq 'HASH') {
+                        if ($domconfig{$action}{$itemid}{'order'} ne $idx) {
+                            $changes{$itemid} = 1;
+                        }
+                    }
+                }
+                $idx ++;
+            }
+        }
+    }
+    my %ltihash = (
+                          $action => { %confhash }
+                       );
+    my $putresult = &Apache::lonnet::put_dom('configuration',\%ltihash,
+                                             $dom);
+    if ($putresult eq 'ok') {
+        my %ltienchash = (
+                             $action => { %encconfig }
+                         );
+        &Apache::lonnet::put_dom('encconfig',\%ltienchash,$dom);
+        if (keys(%changes) > 0) {
+            my $cachetime = 24*60*60;
+            my %ltiall = %confhash;
+            foreach my $id (keys(%ltiall)) {
+                if (ref($encconfig{$id}) eq 'HASH') {
+                    foreach my $item ('key','secret') {
+                        $ltiall{$id}{$item} = $encconfig{$id}{$item};
+                    }
+                }
+            }
+            &Apache::lonnet::do_cache_new('lti',$dom,\%ltiall,$cachetime);
+            if (ref($lastactref) eq 'HASH') {
+                $lastactref->{'lti'} = 1;
+            }
+            $resulttext = &mt('Changes made:').'<ul>';
+            my %bynum;
+            foreach my $itemid (sort(keys(%changes))) {
+                my $position = $confhash{$itemid}{'order'};
+                $bynum{$position} = $itemid;
+            }
+            foreach my $pos (sort { $a <=> $b } keys(%bynum)) {
+                my $itemid = $bynum{$pos};
+                if (ref($confhash{$itemid}) ne 'HASH') {
+                    $resulttext .= '<li>'.&mt('Deleted: [_1]',$changes{$itemid}).'</li>';
+                } else {
+                    $resulttext .= '<li><b>'.$confhash{$itemid}{'consumer'}.'</b></li><ul>';
+                    my $position = $pos + 1;
+                    $resulttext .= '<li>'.&mt('Order: [_1]',$position).'</li>';
+                    foreach my $item ('version','lifetime') {
+                        if ($confhash{$itemid}{$item} ne '') {
+                            $resulttext .= '<li>'.$lt{$item}.':&nbsp;'.$confhash{$itemid}{$item}.'</li>';
+                        }
+                    }
+                    if ($encconfig{$itemid}{'key'} ne '') {
+                        $resulttext .= '<li>'.$lt{'key'}.':&nbsp;'.$encconfig{$itemid}{'key'}.'</li>';
+                    }
+                    if ($encconfig{$itemid}{'secret'} ne '') {
+                        $resulttext .= '<li>'.$lt{'secret'}.':&nbsp;';
+                        my $num = length($encconfig{$itemid}{'secret'});
+                        $resulttext .= ('*'x$num).'</li>';
+                    }
+                    if ($confhash{$itemid}{'requser'}) {
+                        if ($confhash{$itemid}{'mapuser'}) {
+                            my $shownmapuser;
+                            if ($confhash{$itemid}{'mapuser'} eq 'lis_person_sourcedid') {
+                                $shownmapuser = $lt{'sourcedid'}.' (lis_person_sourcedid)';
+                            } elsif ($confhash{$itemid}{'mapuser'} eq 'lis_person_contact_email_primary') {
+                                $shownmapuser = $lt{'email'}.' (lis_person_contact_email_primary)';
+                            } else {
+                                $shownmapuser = &mt('Other').' ('.$confhash{$itemid}{'mapuser'}.')';
+                            }
+                            $resulttext .= '<li>'.&mt('LON-CAPA username').': '.$shownmapuser.'</li>';
+                        }
+                        if (ref($confhash{$itemid}{'maproles'}) eq 'HASH') {
+                            my $rolemaps;
+                            foreach my $role (@ltiroles) {
+                                if ($confhash{$itemid}{'maproles'}{$role}) {
+                                    $rolemaps .= ('&nbsp;'x2).$role.'='.
+                                                 &Apache::lonnet::plaintext($confhash{$itemid}{'maproles'}{$role},
+                                                                            'Course').',';
+                                }
+                            }
+                            if ($rolemaps) {
+                                $rolemaps =~ s/,$//;
+                                $resulttext .= '<li>'.&mt('Role mapping:').$rolemaps.'</li>';
+                            }
+                        }
+                        if (ref($confhash{$itemid}{'makeuser'}) eq 'ARRAY') {
+                            if (@{$confhash{$itemid}{'makeuser'}} > 0) { 
+                                $resulttext .= '<li>'.&mt('Following roles may create user accounts: [_1]',
+                                                          join(', ',@{$confhash{$itemid}{'makeuser'}})).'<br />';
+                                if ($confhash{$itemid}{'lcauth'} eq 'lti') {
+                                    $resulttext .= &mt('New users will only be able to authenticate via LTI').'</li>';
+                                } else {
+                                    $resulttext .= &mt('New users will be assigned LON-CAPA authentication: [_1]',
+                                                       $confhash{$itemid}{'lcauth'});
+                                    if ($confhash{$itemid}{'lcauth'} eq 'internal') {
+                                        $resulttext .= '; '.&mt('a randomly generated password will be created');
+                                    } elsif ($confhash{$itemid}{'lcauth'} eq 'localauth') {
+                                        if ($confhash{$itemid}{'lcauthparm'} ne '') {
+                                            $resulttext .= ' '.&mt('with argument: [_1]',$confhash{$itemid}{'lcauthparm'});
+                                        }
+                                    } else {
+                                        $resulttext .= '; '.&mt('Kerberos domain: [_1]',$confhash{$itemid}{'lcauthparm'});
+                                    }
+                                }
+                                $resulttext .= '</li>';
+                            } else {
+                                $resulttext .= '<li>'.&mt('User account creation not permitted.').'</li>';
+                            }
+                        }
+                        if (ref($confhash{$itemid}{'instdata'}) eq 'ARRAY') {
+                            if (@{$confhash{$itemid}{'instdata'}} > 0) {
+                                $resulttext .= '<li>'.&mt('Institutional data will be used when creating a new user for: [_1]',
+                                                          join(', ',map { $fieldtitles{$_}; } @{$confhash{$itemid}{'instdata'}})).'</li>';
+                            } else {
+                                $resulttext .= '<li>'.&mt('No institutional data used when creating a new user.').'</li>';
+                            }
+                        }
+                        if ($confhash{$itemid}{'mapcrs'}) {
+                            $resulttext .= '<li>'.&mt('Unique course identifier').': '.$confhash{$itemid}{'mapcrs'}.'</li>';
+                        }
+                        if (ref($confhash{$itemid}{'mapcrstype'}) eq 'ARRAY') {
+                            if (@{$confhash{$itemid}{'mapcrstype'}} > 0) {
+                                $resulttext .= '<li>'.&mt('Mapping for the following LON-CAPA course types: [_1]',
+                                               join(', ',map { $coursetypetitles{$_}; } @coursetypes)).
+                                               '</li>';
+                            } else {
+                                $resulttext .= '<li>'.&mt('No mapping to LON-CAPA courses').'</li>';
+                            }
+                        }
+                        if ($confhash{$itemid}{'makecrs'}) {
+                            $resulttext .= '<li>'.&mt('Instructor may create course (if absent).').'</li>';
+                        } else {
+                            $resulttext .= '<li>'.&mt('Instructor may not create course (if absent).').'</li>';
+                        }
+                        if (ref($confhash{$itemid}{'selfenroll'}) eq 'ARRAY') {
+                            if (@{$confhash{$itemid}{'selfenroll'}} > 0) {
+                                $resulttext .= '<li>'.&mt('Self-enrollment for following roles: [_1]',
+                                                          join(', ',@{$confhash{$itemid}{'selfenroll'}})).
+                                               '</li>';
+                            } else {
+                                $resulttext .= '<li>'.&mt('Self-enrollment not permitted').'</li>';
+                            }
+                        }
+                        if ($confhash{$itemid}{'section'}) {
+                            if ($confhash{$itemid}{'section'} eq 'course_section_sourcedid') {
+                                $resulttext .= '<li>'.&mt('User section from standard field:').
+                                                     ' (course_section_sourcedid)'.'</li>';  
+                            } else {
+                                $resulttext .= '<li>'.&mt('User section from:').' '.
+                                                      $confhash{$itemid}{'section'}.'</li>';
+                            }
+                        } else {
+                            $resulttext .= '<li>'.&mt('No section assignment').'</li>';
+                        }
+                        foreach my $item ('passback','roster','topmenu','inlinemenu') {
+                            $resulttext .= '<li>'.$lt{$item}.':&nbsp;';
+                            if ($confhash{$itemid}{$item}) {
+                                $resulttext .= &mt('Yes');
+                                if ($item eq 'passback') {
+                                    if ($confhash{$itemid}{'passbackformat'} eq '1.0') {
+                                        $resulttext .= '&nbsp;('.&mt('Outcomes Extension (1.0)').')';
+                                    } elsif ($confhash{$itemid}{'passbackformat'} eq '1.1') {
+                                        $resulttext .= '&nbsp;('.&mt('Outcomes Service (1.1)').')';
+                                    }
+                                }
+                            } else {
+                                $resulttext .= &mt('No');
+                            }
+                            $resulttext .= '</li>';
+                        }
+                        if (ref($confhash{$itemid}{'lcmenu'}) eq 'ARRAY') {
+                            if (@{$confhash{$itemid}{'lcmenu'}} > 0) {
+                                $resulttext .= '<li>'.&mt('Menu items:').' '.
+                                               join(', ', map { $menutitles{$_}; } (@{$confhash{$itemid}{'lcmenu'}})).'</li>'; 
+                            } else {
+                                $resulttext .= '<li>'.&mt('No menu items displayed in header or online menu').'</li>'; 
+                            }
+                        }
+                    }
+                    $resulttext .= '</ul></li>';
+                }
+            }
+            $resulttext .= '</ul>';
+        } else {
+            $resulttext = &mt('No changes made.');
+        }
+    } else {
+        $errors .= '<li><span class="LC_error">'.&mt('Failed to save changes').'</span></li>';
+    }
+    if ($errors) {
+        $resulttext .= &mt('The following errors occurred: ').'<ul>'.
+                       $errors.'</ul>';
+    }
+    return $resulttext;
+}
+
+sub get_lti_id {
+    my ($domain,$consumer) = @_;
+    # get lock on lti db
+    my $lockhash = {
+                      lock => $env{'user.name'}.
+                              ':'.$env{'user.domain'},
+                   };
+    my $tries = 0;
+    my $gotlock = &Apache::lonnet::newput_dom('lti',$lockhash,$domain);
+    my ($id,$error);
+
+    while (($gotlock ne 'ok') && ($tries<10)) {
+        $tries ++;
+        sleep (0.1);
+        $gotlock = &Apache::lonnet::newput_dom('lti',$lockhash,$domain);
+    }
+    if ($gotlock eq 'ok') {
+        my %currids = &Apache::lonnet::dump_dom('lti',$domain);
+        if ($currids{'lock'}) {
+            delete($currids{'lock'});
+            if (keys(%currids)) {
+                my @curr = sort { $a <=> $b } keys(%currids);
+                if ($curr[-1] =~ /^\d+$/) {
+                    $id = 1 + $curr[-1];
+                }
+            } else {
+                $id = 1;
+            }
+            if ($id) {
+                unless (&Apache::lonnet::newput_dom('lti',{ $id => $consumer },$domain) eq 'ok') {
+                    $error = 'nostore';
+                }
+            } else {
+                $error = 'nonumber';
+            }
+        }
+        my $dellockoutcome = &Apache::lonnet::del_dom('lti',['lock'],$domain);
+    } else {
+        $error = 'nolock';
+    }
+    return ($id,$error);
+}
+
 sub modify_autoenroll {
     my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,%changes);
@@ -11501,7 +12421,7 @@ sub modify_autoenroll {
     my %title = ( run => 'Auto-enrollment active',
                   sender => 'Sender for notification messages',
                   coowners => 'Automatic assignment of co-ownership to instructors of record (institutional data)',
-                  autofailsafe => 'Failsafe for no drops if institutional data missing for a section');
+                  failsafe => 'Failsafe for no drops if institutional data missing for a section');
     my @offon = ('off','on');
     my $sender_uname = $env{'form.sender_uname'};
     my $sender_domain = $env{'form.sender_domain'};
@@ -11511,23 +12431,17 @@ sub modify_autoenroll {
         $sender_domain = '';
     }
     my $coowners = $env{'form.autoassign_coowners'};
-    my $autofailsafe = $env{'form.autoenroll_autofailsafe'};
-    $autofailsafe =~ s{^\s+|\s+$}{}g;
-    if ($autofailsafe =~ /\D/) {
-        undef($autofailsafe);
-    }
     my $failsafe = $env{'form.autoenroll_failsafe'};
-    unless (($failsafe eq 'zero') || ($failsafe eq 'any')) {
-        $failsafe = 'off';
-        undef($autofailsafe);
+    $failsafe =~ s{^\s+|\s+$}{}g;
+    if ($failsafe =~ /\D/) {
+        undef($failsafe);
     }
     my %autoenrollhash =  (
                        autoenroll => { 'run' => $env{'form.autoenroll_run'},
                                        'sender_uname' => $sender_uname,
                                        'sender_domain' => $sender_domain,
                                        'co-owners' => $coowners,
-                                       'autofailsafe' => $autofailsafe,
-                                       'failsafe' => $failsafe,
+                                       'autofailsafe' => $failsafe,
                                 }
                      );
     my $putresult = &Apache::lonnet::put_dom('configuration',\%autoenrollhash,
@@ -11555,12 +12469,9 @@ sub modify_autoenroll {
         } elsif ($coowners) {
             $changes{'coowners'} = 1;
         }
-        if ($currautoenroll{'autofailsafe'} ne $autofailsafe) {
+        if ($currautoenroll{'autofailsafe'} ne $failsafe) {
             $changes{'autofailsafe'} = 1;
         }
-        if ($currautoenroll{'failsafe'} ne $failsafe) {
-            $changes{'failsafe'} = 1;
-        }
         if (keys(%changes) > 0) {
             $resulttext = &mt('Changes made:').'<ul>';
             if ($changes{'run'}) {
@@ -11581,24 +12492,11 @@ sub modify_autoenroll {
                 }
             }
             if ($changes{'autofailsafe'}) {
-                if ($autofailsafe ne '') {
-                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section set to: [_1]',$autofailsafe).'</li>';
-                } else {
-                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section not in use').'</li>';
-                }
-            }
-            if ($changes{'failsafe'}) {
-                if ($failsafe eq 'off') {
-                    unless ($changes{'autofailsafe'}) {
-                        $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section not in use').'</li>';
-                    }
-                } elsif ($failsafe eq 'zero') {
-                    $resulttext .= '<li>'.&mt('Failsafe applies if retrieved section enrollment is zero').'</li>';
+                if ($failsafe ne '') {
+                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section set to: [_1]',$failsafe).'</li>';
                 } else {
-                    $resulttext .= '<li>'.&mt('Failsafe applies if retrieved section enrollment is zero or greater').'</li>';
+                    $resulttext .= '<li>'.&mt('Failsafe for no drops if institutional data missing for a section: deleted');
                 }
-            }
-            if (($changes{'autofailsafe'}) || ($changes{'failsafe'})) {
                 &Apache::lonnet::get_domain_defaults($dom,1);
                 if (ref($lastactref) eq 'HASH') {
                     $lastactref->{'domdefaults'} = 1;
@@ -11625,10 +12523,8 @@ sub modify_autoupdate {
     }
     my @offon = ('off','on');
     my %title = &Apache::lonlocal::texthash (
-                    run        => 'Auto-update:',
-                    classlists => 'Updates to user information in classlists?',
-                    unexpired  => 'Skip updates for users without active or future roles?',
-                    lastactive => 'Skip updates for inactive users?',
+                   run => 'Auto-update:',
+                   classlists => 'Updates to user information in classlists?'
                 );
     my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
     my %fieldtitles = &Apache::lonlocal::texthash (
@@ -11672,23 +12568,12 @@ sub modify_autoupdate {
     my %updatehash = (
                       autoupdate => { run => $env{'form.autoupdate_run'},
                                       classlists => $env{'form.classlists'},
-                                      unexpired  => $env{'form.unexpired'},
                                       fields => {%fields},
                                       lockablenames => \@lockablenames,
                                     }
                      );
-    my $lastactivedays;
-    if ($env{'form.lastactive'}) {
-        $lastactivedays = $env{'form.lastactivedays'};
-        $lastactivedays =~ s/^\s+|\s+$//g;
-        unless ($lastactivedays =~ /^\d+$/) {
-            undef($lastactivedays);
-            $env{'form.lastactive'} = 0;
-        }
-    }
-    $updatehash{'autoupdate'}{'lastactive'} = $lastactivedays;
     foreach my $key (keys(%currautoupdate)) {
-        if (($key eq 'run') || ($key eq 'classlists') || ($key eq 'unexpired') || ($key eq 'lastactive')) {
+        if (($key eq 'run') || ($key eq 'classlists')) {
             if (exists($updatehash{autoupdate}{$key})) {
                 if ($currautoupdate{$key} ne $updatehash{autoupdate}{$key}) {
                     $changes{$key} = 1;
@@ -11734,16 +12619,6 @@ sub modify_autoupdate {
             $changes{'lockablenames'} = 1;
         }
     }
-    unless (grep(/^unexpired$/,keys(%currautoupdate))) {
-        if ($updatehash{'autoupdate'}{'unexpired'}) {
-            $changes{'unexpired'} = 1;
-        }
-    }
-    unless (grep(/^lastactive$/,keys(%currautoupdate))) {
-        if ($updatehash{'autoupdate'}{'lastactive'} ne '') {
-            $changes{'lastactive'} = 1;
-        }
-    }
     foreach my $item (@{$types},'default') {
         if (defined($fields{$item})) {
             if (ref($currautoupdate{'fields'}) eq 'HASH') {
@@ -11806,11 +12681,6 @@ sub modify_autoupdate {
                     my $newvalue;
                     if ($key eq 'run') {
                         $newvalue = $offon[$env{'form.autoupdate_run'}];
-                    } elsif ($key eq 'lastactive') {
-                        $newvalue = $offon[$env{'form.lastactive'}];
-                        unless ($lastactivedays eq '') {
-                            $newvalue .= '; '.&mt('inactive = no activity in last [quant,_1,day]',$lastactivedays);
-                        }
                     } else {
                         $newvalue = $offon[$env{'form.'.$key}];
                     }
@@ -12123,7 +12993,7 @@ sub modify_contacts {
     my (%others,%to,%bcc,%includestr,%includeloc);
     my @contacts = ('supportemail','adminemail');
     my @mailings = ('errormail','packagesmail','helpdeskmail','otherdomsmail',
-                    'lonstatusmail','requestsmail','updatesmail','idconflictsmail','hostipmail');
+                    'lonstatusmail','requestsmail','updatesmail','idconflictsmail');
     my @toggles = ('reporterrors','reportupdates','reportstatus');
     my @lonstatus = ('threshold','sysmail','weights','excluded');
     my ($fields,$fieldtitles,$fieldoptions,$possoptions) = &helpform_fields();
@@ -12175,7 +13045,7 @@ sub modify_contacts {
                 $contacts_hash{'contacts'}{'lonstatus'}{$item} = \@excluded;
             }
         } elsif ($item eq 'weights') {
-            foreach my $type ('E','W','N','U') {
+            foreach my $type ('E','W','N') {
                 $env{'form.error'.$item.'_'.$type} =~ s/^\s+|\s+$//g;
                 if ($env{'form.error'.$item.'_'.$type} =~ /^\d+$/) {
                     unless ($env{'form.error'.$item.'_'.$type} == $lonstatus_defs->{$type}) {
@@ -12247,7 +13117,7 @@ sub modify_contacts {
                     $contacts_hash{'contacts'}{'overrides'}{$type}{'include'} = $includeloc{$type}.':'.&escape($includestr{$type});
                     $newsetting{'override_'.$type}{'include'} = $contacts_hash{'contacts'}{'overrides'}{$type}{'include'};
                 }
-            }    
+            }     
         }
     }
     if (keys(%currsetting) > 0) {
@@ -12305,12 +13175,12 @@ sub modify_contacts {
             }
         }
         if (@statuses) {
-            if (ref($currsetting{'overrides'}) eq 'HASH') {
+            if (ref($currsetting{'overrides'}) eq 'HASH') { 
                 foreach my $key (keys(%{$currsetting{'overrides'}})) {
                     if (ref($currsetting{'overrides'}{$key}) eq 'HASH') {
                         if (ref($newsetting{'override_'.$key}) eq 'HASH') {
                             foreach my $item (@contacts,'bcc','others','include') {
-                                if ($currsetting{'overrides'}{$key}{$item} ne $newsetting{'override_'.$key}{$item}) {
+                                if ($currsetting{'overrides'}{$key}{$item} ne $newsetting{'override_'.$key}{$item}) { 
                                     push(@{$changes{'overrides'}},$key);
                                     last;
                                 }
@@ -12327,7 +13197,7 @@ sub modify_contacts {
                 }
             } else {
                 foreach my $key (@overrides) {
-                    push(@{$changes{'overrides'}},$key);
+                    push(@{$changes{'overrides'}},$key); 
                 }
             }
         }
@@ -12412,7 +13282,6 @@ sub modify_contacts {
         $default{'lonstatusmail'} = 'adminemail';
         $default{'requestsmail'} = 'adminemail';
         $default{'updatesmail'} = 'adminemail';
-        $default{'hostipmail'} = 'adminemail';
         foreach my $item (@contacts) {
            if ($to{$item} ne $default{$item}) {
                $changes{$item} = 1;
@@ -12509,7 +13378,7 @@ sub modify_contacts {
                             $resulttext .= $bcctext.': <span class="LC_cusr_emph">'.$bcc{$type}.'</span>';
                         } elsif (!@text) {
                             $resulttext .= &mt('No one');
-                        }
+                        }   
                         if ($includestr{$type} ne '') {
                             if ($includeloc{$type} eq 'b') {
                                 $resulttext .= '<br />'.&mt('Text automatically added to e-mail body:').' '.$includestr{$type};
@@ -12533,14 +13402,14 @@ sub modify_contacts {
                             if (ref($newsetting{'override_'.$type}) eq 'HASH') {
                                 my @text;
                                 foreach my $item (@contacts) {
-                                    if ($newsetting{'override_'.$type}{$item}) {
+                                    if ($newsetting{'override_'.$type}{$item}) { 
                                         push(@text,$short_titles->{$item});
                                     }
                                 }
                                 if ($newsetting{'override_'.$type}{'others'} ne '') {
                                     push(@text,$newsetting{'override_'.$type}{'others'});
                                 }
-
+  
                                 if (@text) {
                                     $resulttext .= &mt('Helpdesk e-mail sent to: [_1]',
                                                        '<span class="LC_cusr_emph">'.join(', ',@text).'</span>');
@@ -12702,549 +13571,6 @@ sub modify_contacts {
     return $resulttext;
 }
 
-sub modify_passwords {
-    my ($r,$dom,$confname,$lastactref,%domconfig) = @_;
-    my ($resulttext,%current,%changes,%newvalues,@oktypes,$errors,
-        $updatedefaults,$updateconf);
-    my $customfn = 'resetpw.html';
-    if (ref($domconfig{'passwords'}) eq 'HASH') {
-        %current = %{$domconfig{'passwords'}};
-    }
-    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-    my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
-    if (ref($types) eq 'ARRAY') {
-        @oktypes = @{$types};
-    }
-    push(@oktypes,'default');
-
-    my %titles = &Apache::lonlocal::texthash (
-        intauth_cost   => 'Encryption cost for bcrypt (positive integer)',
-        intauth_check  => 'Check bcrypt cost if authenticated',
-        intauth_switch => 'Existing crypt-based switched to bcrypt on authentication',
-        permanent      => 'Permanent e-mail address',
-        critical       => 'Critical notification address',
-        notify         => 'Notification address',
-        min            => 'Minimum password length',
-        max            => 'Maximum password length',
-        chars          => 'Required characters',
-        numsaved       => 'Number of previous passwords to save',
-        reset          => 'Resetting Forgotten Password',
-        intauth        => 'Encryption of Stored Passwords (Internal Auth)',
-        rules          => 'Rules for LON-CAPA Passwords',
-        crsownerchg    => 'Course Owner Changing Student Passwords',
-        username       => 'Username',
-        email          => 'E-mail address',
-    );
-
-#
-# Retrieve current domain configuration for internal authentication from $domconfig{'defaults'}.
-#
-    my (%curr_defaults,%save_defaults);
-    if (ref($domconfig{'defaults'}) eq 'HASH') {
-        foreach my $key (keys(%{$domconfig{'defaults'}})) {
-            if ($key =~ /^intauth_(cost|check|switch)$/) {
-                $curr_defaults{$key} = $domconfig{'defaults'}{$key};
-            } else {
-                $save_defaults{$key} = $domconfig{'defaults'}{$key};
-            }
-        }
-    }
-    my %staticdefaults = (
-        'resetlink'      => 2,
-        'resetcase'      => \@oktypes,
-        'resetprelink'   => 'both',
-        'resetemail'     => ['critical','notify','permanent'],
-        'intauth_cost'   => 10,
-        'intauth_check'  => 0,
-        'intauth_switch' => 0,
-    );
-    $staticdefaults{'min'} = $Apache::lonnet::passwdmin;
-    foreach my $type (@oktypes) {
-        $staticdefaults{'resetpostlink'}{$type} = ['email','username'];
-    }
-    my $linklife = $env{'form.passwords_link'};
-    $linklife =~ s/^\s+|\s+$//g;
-    if (($linklife =~ /^\d+(|\.\d*)$/) && ($linklife > 0)) {
-        $newvalues{'resetlink'} = $linklife;
-        if ($current{'resetlink'}) {
-            if ($current{'resetlink'} ne $linklife) {
-                $changes{'reset'} = 1;
-            }
-        } elsif (!ref($domconfig{passwords}) eq 'HASH') {
-            if ($staticdefaults{'resetlink'} ne $linklife) {
-                $changes{'reset'} = 1;
-            }
-        }
-    } elsif ($current{'resetlink'}) {
-        $changes{'reset'} = 1;
-    }
-    my @casesens;
-    my @posscase = &Apache::loncommon::get_env_multiple('form.passwords_case_sensitive');
-    foreach my $case (sort(@posscase)) {
-        if (grep(/^\Q$case\E$/,@oktypes)) {
-            push(@casesens,$case);
-        }
-    }
-    $newvalues{'resetcase'} = \@casesens;
-    if (ref($current{'resetcase'}) eq 'ARRAY') {
-        my @diffs = &Apache::loncommon::compare_arrays($current{'resetcase'},\@casesens);
-        if (@diffs > 0) {
-            $changes{'reset'} = 1;
-        }
-    } elsif (!ref($domconfig{passwords}) eq 'HASH') {
-        my @diffs = &Apache::loncommon::compare_arrays($staticdefaults{'resetcase'},\@casesens);
-        if (@diffs > 0) {
-            $changes{'reset'} = 1;
-        }
-    }
-    if ($env{'form.passwords_prelink'} =~ /^(both|either)$/) {
-        $newvalues{'resetprelink'} = $env{'form.passwords_prelink'};
-        if (exists($current{'resetprelink'})) {
-            if ($current{'resetprelink'} ne $newvalues{'resetprelink'}) {
-                $changes{'reset'} = 1;
-            }
-        } elsif (!ref($domconfig{passwords}) eq 'HASH') {
-            if ($staticdefaults{'resetprelink'} ne $newvalues{'resetprelink'}) {
-                $changes{'reset'} = 1;
-            }
-        }
-    } elsif ($current{'resetprelink'}) {
-        $changes{'reset'} = 1;
-    }
-    foreach my $type (@oktypes) {
-        my @possplink = &Apache::loncommon::get_env_multiple('form.passwords_postlink_'.$type);
-        my @postlink;
-        foreach my $item (sort(@possplink)) {
-            if ($item =~ /^(email|username)$/) {
-                push(@postlink,$item);
-            }
-        }
-        $newvalues{'resetpostlink'}{$type} = \@postlink;
-        unless ($changes{'reset'}) {
-            if (ref($current{'resetpostlink'}) eq 'HASH') {
-                if (ref($current{'resetpostlink'}{$type}) eq 'ARRAY') {
-                    my @diffs = &Apache::loncommon::compare_arrays($current{'resetpostlink'}{$type},\@postlink);
-                    if (@diffs > 0) {
-                        $changes{'reset'} = 1;
-                    }
-                } else {
-                    $changes{'reset'} = 1;
-                }
-            } elsif (!ref($domconfig{passwords}) eq 'HASH') {
-                my @diffs = &Apache::loncommon::compare_arrays($staticdefaults{'resetpostlink'}{$type},\@postlink);
-                if (@diffs > 0) {
-                    $changes{'reset'} = 1;
-                }
-            }
-        }
-    }
-    my @possemailsrc = &Apache::loncommon::get_env_multiple('form.passwords_emailsrc');
-    my @resetemail;
-    foreach my $item (sort(@possemailsrc)) {
-        if ($item =~ /^(permanent|critical|notify)$/) {
-            push(@resetemail,$item);
-        }
-    }
-    $newvalues{'resetemail'} = \@resetemail;
-    unless ($changes{'reset'}) {
-        if (ref($current{'resetemail'}) eq 'ARRAY') {
-            my @diffs = &Apache::loncommon::compare_arrays($current{'resetemail'},\@resetemail);
-            if (@diffs > 0) {
-                $changes{'reset'} = 1;
-            }
-        } elsif (!ref($domconfig{passwords}) eq 'HASH') {
-            my @diffs = &Apache::loncommon::compare_arrays($staticdefaults{'resetemail'},\@resetemail);
-            if (@diffs > 0) {
-                $changes{'reset'} = 1;
-            }
-        }
-    }
-    if ($env{'form.passwords_stdtext'} == 0) {
-        $newvalues{'resetremove'} = 1;
-        unless ($current{'resetremove'}) {
-            $changes{'reset'} = 1;
-        }
-    } elsif ($current{'resetremove'}) {
-        $changes{'reset'} = 1;
-    }
-    if ($env{'form.passwords_customfile.filename'} ne '') {
-        my $servadm = $r->dir_config('lonAdmEMail');
-        my $servadm = $r->dir_config('lonAdmEMail');
-        my ($configuserok,$author_ok,$switchserver) =
-            &config_check($dom,$confname,$servadm);
-        my $error;
-        if ($configuserok eq 'ok') {
-            if ($switchserver) {
-                $error = &mt("Upload of file containing domain-specific text is not permitted to this server: [_1]",$switchserver);
-            } else {
-                if ($author_ok eq 'ok') {
-                    my ($result,$customurl) =
-                        &publishlogo($r,'upload','passwords_customfile',$dom,
-                                     $confname,'customtext/resetpw','','',$customfn);
-                    if ($result eq 'ok') {
-                        $newvalues{'resetcustom'} = $customurl;
-                        $changes{'reset'} = 1;
-                    } else {
-                        $error = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$customfn,$result);
-                    }
-                } else {
-                    $error = &mt("Upload of [_1] failed because an author role could not be assigned to a Domain Configuration user ([_2]) in domain: [_3].  Error was: [_4].",$customfn,$confname,$dom,$author_ok);
-                }
-            }
-        } else {
-            $error = &mt("Upload of [_1] failed because a Domain Configuration user ([_2]) could not be created in domain: [_3].  Error was: [_4].",$customfn,$confname,$dom,$configuserok);
-        }
-        if ($error) {
-            &Apache::lonnet::logthis($error);
-            $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-        }
-    } elsif ($current{'resetcustom'}) {
-        if ($env{'form.passwords_custom_del'}) {
-            $changes{'reset'} = 1;
-        } else {
-            $newvalues{'resetcustom'} = $current{'resetcustom'};
-        }
-    }
-    $env{'form.intauth_cost'} =~ s/^\s+|\s+$//g;
-    if (($env{'form.intauth_cost'} ne '') && ($env{'form.intauth_cost'} =~ /^\d+$/)) {
-        $save_defaults{'intauth_cost'} = $env{'form.intauth_cost'};
-        if ($save_defaults{'intauth_cost'} ne $curr_defaults{'intauth_cost'}) {
-            $changes{'intauth'} = 1;
-        }
-    } else {
-        $save_defaults{'intauth_cost'} = $curr_defaults{'intauth_cost'};
-    }
-    if ($env{'form.intauth_check'} =~ /^(0|1|2)$/) {
-        $save_defaults{'intauth_check'} = $env{'form.intauth_check'};
-        if ($save_defaults{'intauth_check'} ne $curr_defaults{'intauth_check'}) {
-            $changes{'intauth'} = 1;
-        }
-    } else {
-        $save_defaults{'intauth_check'} = $curr_defaults{'intauth_check'};
-    }
-    if ($env{'form.intauth_switch'} =~ /^(0|1|2)$/) {
-        $save_defaults{'intauth_switch'} = $env{'form.intauth_switch'};
-        if ($save_defaults{'intauth_switch'} ne $curr_defaults{'intauth_switch'}) {
-            $changes{'intauth'} = 1;
-        }
-    } else {
-        $save_defaults{'intauth_check'} = $curr_defaults{'intauth_check'};
-    }
-    foreach my $item ('cost','check','switch') {
-        if ($save_defaults{'intauth_'.$item} ne $domdefaults{'intauth_'.$item}) {
-            $domdefaults{'intauth_'.$item} = $save_defaults{'intauth_'.$item};
-            $updatedefaults = 1;
-        }
-    }
-    foreach my $rule ('min','max','numsaved') {
-        $env{'form.passwords_'.$rule} =~ s/^\s+|\s+$//g;
-        my $ruleok;
-        if ($rule eq 'min') {
-            if ($env{'form.passwords_'.$rule} =~ /^\d+$/) {
-                if ($env{'form.passwords_'.$rule} >= $Apache::lonnet::passwdmin) {
-                    $ruleok = 1;
-                }
-            }
-        } elsif (($env{'form.passwords_'.$rule} =~ /^\d+$/) &&
-                 ($env{'form.passwords_'.$rule} ne '0')) {
-            $ruleok = 1;
-        }
-        if ($ruleok) {
-            $newvalues{$rule} = $env{'form.passwords_'.$rule};
-            if (exists($current{$rule})) {
-                if ($newvalues{$rule} ne $current{$rule}) {
-                    $changes{'rules'} = 1;
-                }
-            } elsif ($rule eq 'min') {
-                if ($staticdefaults{$rule} ne $newvalues{$rule}) {
-                    $changes{'rules'} = 1;
-                }
-            } else {
-                $changes{'rules'} = 1;
-            }
-        } elsif (exists($current{$rule})) {
-            $changes{'rules'} = 1;
-        }
-    }
-    my @posschars = &Apache::loncommon::get_env_multiple('form.passwords_chars');
-    my @chars;
-    foreach my $item (sort(@posschars)) {
-        if ($item =~ /^(uc|lc|num|spec)$/) {
-            push(@chars,$item);
-        }
-    }
-    $newvalues{'chars'} = \@chars;
-    unless ($changes{'rules'}) {
-        if (ref($current{'chars'}) eq 'ARRAY') {
-            my @diffs = &Apache::loncommon::compare_arrays($current{'chars'},\@chars);
-            if (@diffs > 0) {
-                $changes{'rules'} = 1;
-            }
-        } else {
-            if (@chars > 0) {
-                $changes{'rules'} = 1;
-            }
-        }
-    }
-    my %crsownerchg = (
-                        by => [],
-                        for => [],
-                      );
-    foreach my $item ('by','for') {
-        my @posstypes = &Apache::loncommon::get_env_multiple('form.passwords_crsowner_'.$item);
-        foreach my $type (sort(@posstypes)) {
-            if (grep(/^\Q$type\E$/,@oktypes)) {
-                push(@{$crsownerchg{$item}},$type);
-            }
-        }
-    }
-    $newvalues{'crsownerchg'} = \%crsownerchg;
-    if (ref($current{'crsownerchg'}) eq 'HASH') {
-        foreach my $item ('by','for') {
-            if (ref($current{'crsownerchg'}{$item}) eq 'ARRAY') {
-                my @diffs = &Apache::loncommon::compare_arrays($current{'crsownerchg'}{$item},$crsownerchg{$item});
-                if (@diffs > 0) {
-                    $changes{'crsownerchg'} = 1;
-                    last;
-                }
-            }
-        }
-    } elsif (!(ref($domconfig{passwords}) eq 'HASH')) {
-        foreach my $item ('by','for') {
-            if (@{$crsownerchg{$item}} > 0) {
-                $changes{'crsownerchg'} = 1;
-                last;
-            }
-        }
-    }
-
-    my %confighash = (
-                        defaults  => \%save_defaults,
-                        passwords => \%newvalues,
-                     );
-    &process_captcha('passwords',\%changes,$confighash{'passwords'},$domconfig{'passwords'});
-
-    my $putresult = &Apache::lonnet::put_dom('configuration',\%confighash,$dom);
-    if ($putresult eq 'ok') {
-        if (keys(%changes) > 0) {
-            $resulttext = &mt('Changes made: ').'<ul>';
-            foreach my $key ('reset','intauth','rules','crsownerchg') {
-                if ($changes{$key}) {
-                    unless ($key eq 'intauth') {
-                        $updateconf = 1;
-                    }
-                    $resulttext .= '<li>'.$titles{$key}.':<ul>';
-                    if ($key eq 'reset') {
-                        if ($confighash{'passwords'}{'captcha'} eq 'original') {
-                            $resulttext .= '<li>'.&mt('CAPTCHA validation set to use: original CAPTCHA').'</li>';
-                        } elsif ($confighash{'passwords'}{'captcha'} eq 'recaptcha') {
-                            $resulttext .= '<li>'.&mt('CAPTCHA validation set to use: reCAPTCHA').' '.
-                                           &mt('version: [_1]',$confighash{'passwords'}{'recaptchaversion'}).'<br />';
-                            if (ref($confighash{'passwords'}{'recaptchakeys'}) eq 'HASH') {
-                                $resulttext .= &mt('Public key: [_1]',$confighash{'passwords'}{'recaptchakeys'}{'public'}).'</br>'.
-                                               &mt('Private key: [_1]',$confighash{'passwords'}{'recaptchakeys'}{'private'}).'</li>';
-                            }
-                        } else {
-                            $resulttext .= '<li>'.&mt('No CAPTCHA validation').'</li>';
-                        }
-                        if ($confighash{'passwords'}{'resetlink'}) {
-                            $resulttext .= '<li>'.&mt('Reset link expiration set to [quant,_1,hour]',$confighash{'passwords'}{'resetlink'}).'</li>';
-                        } else {
-                            $resulttext .= '<li>'.&mt('No reset link expiration set.').' '.
-                                                  &mt('Will default to 2 hours').'</li>';
-                        }
-                        if (ref($confighash{'passwords'}{'resetcase'}) eq 'ARRAY') {
-                            if (@{$confighash{'passwords'}{'resetcase'}} == 0) {
-                                $resulttext .= '<li>'.&mt('User input for username and/or e-mail address not case sensitive for "Forgot Password" web form').'</li>';
-                            } else {
-                                my $casesens;
-                                foreach my $type (@{$confighash{'passwords'}{'resetcase'}}) {
-                                    if ($type eq 'default') {
-                                        $casesens .= $othertitle.', ';
-                                    } elsif ($usertypes->{$type} ne '') {
-                                        $casesens .= $usertypes->{$type}.', ';
-                                    }
-                                }
-                                $casesens =~ s/\Q, \E$//;
-                                $resulttext .= '<li>'.&mt('"Forgot Password" web form input for username and/or e-mail address is case-sensitive for: [_1]',$casesens).'</li>';
-                            }
-                        } else {
-                            $resulttext .= '<li>'.&mt('Case-sensitivity not set for "Forgot Password" web form').' '.&mt('Will default to case-sensitive for username and/or e-mail address for all').'</li>';
-                        }
-                        if ($confighash{'passwords'}{'resetprelink'} eq 'either') {
-                            $resulttext .= '<li>'.&mt('Users can enter either a username or an e-mail address in "Forgot Password" web form').'</li>';
-                        } else {
-                            $resulttext .= '<li>'.&mt('Users can enter both a username and an e-mail address in "Forgot Password" web form').'</li>';
-                        }
-                        if (ref($confighash{'passwords'}{'resetpostlink'}) eq 'HASH') {
-                            my $output;
-                            if (ref($types) eq 'ARRAY') {
-                                foreach my $type (@{$types}) {
-                                    if (ref($confighash{'passwords'}{'resetpostlink'}{$type}) eq 'ARRAY') {
-                                        if (@{$confighash{'passwords'}{'resetpostlink'}{$type}} == 0) {
-                                            $output .= $usertypes->{$type}.' -- '.&mt('none');
-                                        } else {
-                                            $output .= $usertypes->{$type}.' -- '.
-                                                       join(', ',map { $titles{$_}; } (@{$confighash{'passwords'}{'resetpostlink'}{$type}})).'; ';
-                                        }
-                                    }
-                                }
-                            }
-                            if (ref($confighash{'passwords'}{'resetpostlink'}{'default'}) eq 'ARRAY') {
-                                if (@{$confighash{'passwords'}{'resetpostlink'}{'default'}} == 0) {
-                                    $output .= $othertitle.' -- '.&mt('none');
-                                } else {
-                                    $output .= $othertitle.' -- '.
-                                               join(', ',map { $titles{$_}; } (@{$confighash{'passwords'}{'resetpostlink'}{'default'}}));
-                                }
-                            }
-                            if ($output) {
-                                $resulttext .= '<li>'.&mt('Information required for new password form (by user type) set to: [_1]',$output).'</li>';
-                            } else {
-                                $resulttext .= '<li>'.&mt('Information required for new password form not set.').' '.&mt('Will default to requiring both the username and an e-mail address').'</li>';
-                            }
-                        } else {
-                            $resulttext .= '<li>'.&mt('Information required for new password form not set.').' '.&mt('Will default to requiring both the username and an e-mail address').'</li>';
-                        }
-                        if (ref($confighash{'passwords'}{'resetemail'}) eq 'ARRAY') {
-                            if (@{$confighash{'passwords'}{'resetemail'}} > 0) {
-                                $resulttext .= '<li>'.&mt('E-mail address(es) in LON-CAPA used for verification will include: [_1]',join(', ',map { $titles{$_}; } @{$confighash{'passwords'}{'resetemail'}})).'</li>';
-                            } else {
-                                $resulttext .= '<li>'.&mt('E-mail address(es) in LON-CAPA used for verification will include: [_1]',join(', ',map { $titles{$_}; } @{$staticdefaults{'resetemail'}})).'</li>';
-                            }
-                        } else {
-                            $resulttext .= '<li>'.&mt('E-mail address(es) in LON-CAPA used for verification will include: [_1]',join(', ',map { $titles{$_}; } @{$staticdefaults{'resetemail'}})).'</li>';
-                        }
-                        if ($confighash{'passwords'}{'resetremove'}) {
-                            $resulttext .= '<li>'.&mt('Preamble to "Forgot Password" web form not shown').'</li>';
-                        } else {
-                            $resulttext .= '<li>'.&mt('Preamble to "Forgot Password" web form is shown').'</li>';
-                        }
-                        if ($confighash{'passwords'}{'resetcustom'}) {
-                            my $customlink = &Apache::loncommon::modal_link($confighash{'passwords'}{'resetcustom'},
-                                                                            &mt('custom text'),600,500,undef,undef,
-                                                                            undef,undef,'background-color:#ffffff');
-                            $resulttext .= '<li>'.&mt('Preamble to "Forgot Password" form includes: [_1]',$customlink).'</li>';
-                        } else {
-                            $resulttext .= '<li>'.&mt('No custom text included in preamble to "Forgot Password" form').'</li>';
-                        }
-                    } elsif ($key eq 'intauth') {
-                        foreach my $item ('cost','switch','check') {
-                            my $value = $save_defaults{$key.'_'.$item};
-                            if ($item eq 'switch') {
-                                my %optiondesc = &Apache::lonlocal::texthash (
-                                                     0 => 'No',
-                                                     1 => 'Yes',
-                                                     2 => 'Yes, and copy existing passwd file to passwd.bak file',
-                                                 );
-                                if ($value =~ /^(0|1|2)$/) {
-                                    $value = $optiondesc{$value};
-                                } else {
-                                    $value = &mt('none -- defaults to No');
-                                }
-                            } elsif ($item eq 'check') {
-                                my %optiondesc = &Apache::lonlocal::texthash (
-                                                     0 => 'No',
-                                                     1 => 'Yes, allow login then update passwd file using default cost (if higher)',
-                                                     2 => 'Yes, disallow login if stored cost is less than domain default',
-                                                 );
-                                if ($value =~ /^(0|1|2)$/) {
-                                    $value = $optiondesc{$value};
-                                } else {
-                                    $value = &mt('none -- defaults to No');
-                                }
-                            }
-                            $resulttext .= '<li>'.&mt('[_1] set to "[_2]"',$titles{$key.'_'.$item},$value).'</li>';
-                        }
-                    } elsif ($key eq 'rules') {
-                        foreach my $rule ('min','max','numsaved') {
-                            if ($confighash{'passwords'}{$rule} eq '') {
-                                if ($rule eq 'min') {
-                                    $resulttext .= '<li>'.&mt('[_1] not set.',$titles{$rule});
-                                                   ' '.&mt('Default of [_1] will be used',
-                                                           $Apache::lonnet::passwdmin).'</li>';
-                                } else {
-                                    $resulttext .= '<li>'.&mt('[_1] set to none',$titles{$rule}).'</li>';
-                                }
-                            } else {
-                                $resulttext .= '<li>'.&mt('[_1] set to [_2]',$titles{$rule},$confighash{'passwords'}{$rule}).'</li>';
-                            }
-                        }
-                        if (ref($confighash{'passwords'}{'chars'}) eq 'ARRAY') {
-                            if (@{$confighash{'passwords'}{'chars'}} > 0) {
-                                my %rulenames = &Apache::lonlocal::texthash(
-                                                     uc => 'At least one upper case letter',
-                                                     lc => 'At least one lower case letter',
-                                                     num => 'At least one number',
-                                                     spec => 'At least one non-alphanumeric',
-                                                   );
-                                my $needed = '<ul><li>'.
-                                             join('</li><li>',map {$rulenames{$_} } @{$confighash{'passwords'}{'chars'}}).
-                                             '</li></ul>';
-                                $resulttext .= '<li>'.&mt('[_1] set to: [_2]',$titles{'chars'},$needed).'</li>';
-                            } else {
-                                $resulttext .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
-                            }
-                        } else {
-                            $resulttext .= '<li>'.&mt('[_1] set to none',$titles{'chars'}).'</li>';
-                        }
-                    } elsif ($key eq 'crsownerchg') {
-                        if (ref($confighash{'passwords'}{'crsownerchg'}) eq 'HASH') {
-                            if ((@{$confighash{'passwords'}{'crsownerchg'}{'by'}} == 0) ||
-                                (@{$confighash{'passwords'}{'crsownerchg'}{'for'}} == 0)) {
-                                $resulttext .= '<li>'.&mt('Course owner may not change student passwords.').'</li>';
-                            } else {
-                                my %crsownerstr;
-                                foreach my $item ('by','for') {
-                                    if (ref($confighash{'passwords'}{'crsownerchg'}{$item}) eq 'ARRAY') {
-                                        foreach my $type (@{$confighash{'passwords'}{'crsownerchg'}{$item}}) {
-                                            if ($type eq 'default') {
-                                                $crsownerstr{$item} .= $othertitle.', ';
-                                            } elsif ($usertypes->{$type} ne '') {
-                                                $crsownerstr{$item} .= $usertypes->{$type}.', ';
-                                            }
-                                        }
-                                        $crsownerstr{$item} =~ s/\Q, \E$//;
-                                    }
-                                }
-                                $resulttext .= '<li>'.&mt('Course owner (with status: [_1]) may change passwords for students (with status: [_2]).',
-                                           $crsownerstr{'by'},$crsownerstr{'for'}).'</li>';
-                            }
-                        } else {
-                            $resulttext .= '<li>'.&mt('Course owner may not change student passwords.').'</li>';
-                        }
-                    }
-                    $resulttext .= '</ul></li>';
-                }
-            }
-            $resulttext .= '</ul>';
-        } else {
-            $resulttext = &mt('No changes made to password settings');
-        }
-        my $cachetime = 24*60*60;
-        if ($updatedefaults) {
-            &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'domdefaults'} = 1;
-            }
-        }
-        if ($updateconf) {
-            &Apache::lonnet::do_cache_new('passwdconf',$dom,$confighash{'passwords'},$cachetime);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'passwdconf'} = 1;
-            }
-        }
-    } else {
-        $resulttext = '<span class="LC_error">'.
-            &mt('An error occurred: [_1]',$putresult).'</span>';
-    }
-    if ($errors) {
-        $resulttext .= '<p>'.&mt('The following errors occurred: ').'<ul>'.
-                       $errors.'</ul></p>';
-    }
-    return $resulttext;
-}
-
 sub modify_usercreation {
     my ($dom,%domconfig) = @_;
     my ($resulttext,%curr_usercreation,%changes,%authallowed,%cancreate,%save_usercreate);
@@ -13329,7 +13655,7 @@ sub modify_usercreation {
     }
 
     my @authen_contexts = ('author','course','domain');
-    my @authtypes = ('int','krb4','krb5','loc');
+    my @authtypes = ('int','krb4','krb5','loc','lti');
     my %authhash;
     foreach my $item (@authen_contexts) {
         my @authallowed =  &Apache::loncommon::get_env_multiple('form.'.$item.'_auth');
@@ -13544,7 +13870,6 @@ sub modify_selfcreation {
 # Populate $cancreate{'selfcreate'} array reference with types of user, for which self-creation of user accounts
 # is permitted.
 #
-
     my ($emailrules,$emailruleorder) = &Apache::lonnet::inst_userrules($dom,'email');
 
     my (@statuses,%email_rule);
@@ -13594,7 +13919,7 @@ sub modify_selfcreation {
                             if (($chosen eq 'inst') || ($chosen eq 'noninst')) {
                                 my $emaildom;
                                 if ($env{'form.cancreate_emaildomain_'.$chosen.'_'.$type} =~ /^\@[^\@]+$/) {
-                                    $emaildom = $env{'form.cancreate_emaildomain_'.$chosen.'_'.$type};
+                                    $emaildom = $env{'form.cancreate_emaildomain_'.$chosen.'_'.$type}; 
                                     $cancreate{'emaildomain'}{$type}{$chosen} = $emaildom;
                                     if (ref($curremaildom{$type}) eq 'HASH') {
                                         if (exists($curremaildom{$type}{$chosen})) {
@@ -13606,7 +13931,7 @@ sub modify_selfcreation {
                                         }
                                     } elsif ($emaildom ne '') {
                                         push(@{$changes{'cancreate'}},'emaildomain');
-                                    }
+                                    } 
                                 }
                                 $cancreate{'emailoptions'}{$type} = $env{'form.cancreate_emailoptions_'.$type};
                             } elsif ($chosen eq 'custom') {
@@ -14033,7 +14358,7 @@ sub modify_selfcreation {
                                                                   );
                         if (@types) {
                             if (@statuses) {
-                                $chgtext .= &mt('Processing of requests to create account with e-mail verification set as follows:').
+                                $chgtext .= &mt('Processing of requests to create account with e-mail verification set as follows:'). 
                                             '<ul>';
                                 foreach my $status (@statuses) {
                                     if ($status eq 'default') {
@@ -14059,7 +14384,7 @@ sub modify_selfcreation {
                                 $chgtext .= &mt('For self-created accounts verified by e-mail address, username is set as follows:').
                                             '<ul>';
                                 foreach my $status (@statuses) {
-                                    if ($status eq 'default') {
+                                    if ($type eq 'default') {
                                         $chgtext .= '<li>'.$othertitle.' -- '.$options{$cancreate{'emailverified'}{$status}}.'</li>';
                                     } else {
                                         $chgtext .= '<li>'.$usertypes{$status}.' -- '.$options{$cancreate{'emailverified'}{$status}}.'</li>';
@@ -14119,7 +14444,7 @@ sub modify_selfcreation {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt('No restriction on e-mail domain').'</li>';
                                             } else {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt("User's e-mail address needs to end: [_1]",
-                                                                                              $cancreate{'emaildomain'}{$type}{'inst'}).'</li>';
+                                                                                              $cancreate{'emaildomain'}{$type}{'inst'}).'</li>'; 
                                             }
                                         }
                                     } elsif ($cancreate{'emailoptions'}{$type} eq 'noninst') {
@@ -14137,7 +14462,7 @@ sub modify_selfcreation {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt('No restriction on e-mail domain').'</li>';
                                             } else {
                                                 $output = '<li>'.$usertypes{$type}.' -- '.&mt("User's e-mail address must not end: [_1]",
-                                                                                                $cancreate{'emaildomain'}{$type}{'noninst'}).'</li>';
+                                                                                                $cancreate{'emaildomain'}{$type}{'noninst'}).'</li>';   
                                             }
                                         }
                                     }
@@ -14241,7 +14566,7 @@ sub modify_selfcreation {
                                 $typename = $othertitle;
                             } else {
                                 $typename = $usertypes{$type};
-                            }
+                            } 
                             $chgtext .= &mt('(Affiliation: [_1])',$typename);
                         }
                         if (@{$email_rule{$type}} > 0) {
@@ -14328,25 +14653,19 @@ sub modify_selfcreation {
 }
 
 sub process_captcha {
-    my ($container,$changes,$newsettings,$currsettings) = @_;
-    return unless ((ref($changes) eq 'HASH') && (ref($newsettings) eq 'HASH'));
+    my ($container,$changes,$newsettings,$current) = @_;
+    return unless ((ref($changes) eq 'HASH') && (ref($newsettings) eq 'HASH') || (ref($current) eq 'HASH'));
     $newsettings->{'captcha'} = $env{'form.'.$container.'_captcha'};
     unless ($newsettings->{'captcha'} eq 'recaptcha' || $newsettings->{'captcha'} eq 'notused') {
         $newsettings->{'captcha'} = 'original';
     }
-    my %current;
-    if (ref($currsettings) eq 'HASH') {
-        %current = %{$currsettings};
-    }
-    if ($current{'captcha'} ne $newsettings->{'captcha'}) {
+    if ($current->{'captcha'} ne $newsettings->{'captcha'}) {
         if ($container eq 'cancreate') {
             if (ref($changes->{'cancreate'}) eq 'ARRAY') {
                 push(@{$changes->{'cancreate'}},'captcha');
             } elsif (!defined($changes->{'cancreate'})) {
                 $changes->{'cancreate'} = ['captcha'];
             }
-        } elsif ($container eq 'passwords') {
-            $changes->{'reset'} = 1;
         } else {
             $changes->{'captcha'} = 1;
         }
@@ -14368,9 +14687,9 @@ sub process_captcha {
         }
         $newsettings->{'recaptchaversion'} = $newversion;
     }
-    if (ref($current{'recaptchakeys'}) eq 'HASH') {
-        $currpub = $current{'recaptchakeys'}{'public'};
-        $currpriv = $current{'recaptchakeys'}{'private'};
+    if (ref($current->{'recaptchakeys'}) eq 'HASH') {
+        $currpub = $current->{'recaptchakeys'}{'public'};
+        $currpriv = $current->{'recaptchakeys'}{'private'};
         unless ($newsettings->{'captcha'} eq 'recaptcha') {
             $newsettings->{'recaptchakeys'} = {
                                                  public  => '',
@@ -14378,8 +14697,8 @@ sub process_captcha {
                                               }
         }
     }
-    if ($current{'captcha'} eq 'recaptcha') {
-        $currversion = $current{'recaptchaversion'};
+    if ($current->{'captcha'} eq 'recaptcha') {
+        $currversion = $current->{'recaptchaversion'};
         if ($currversion ne '2') {
             $currversion = 1;
         }
@@ -14391,8 +14710,6 @@ sub process_captcha {
             } elsif (!defined($changes->{'cancreate'})) {
                 $changes->{'cancreate'} = ['recaptchaversion'];
             }
-        } elsif ($container eq 'passwords') {
-            $changes->{'reset'} = 1;
         } else {
             $changes->{'recaptchaversion'} = 1;
         }
@@ -14404,8 +14721,6 @@ sub process_captcha {
             } elsif (!defined($changes->{'cancreate'})) {
                 $changes->{'cancreate'} = ['recaptchakeys'];
             }
-        } elsif ($container eq 'passwords') {
-            $changes->{'reset'} = 1;
         } else {
             $changes->{'recaptchakeys'} = 1;
         }
@@ -14521,8 +14836,8 @@ sub modify_defaults {
     my ($resulttext,$mailmsgtxt,%newvalues,%changes,@errors);
     my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
     my @items = ('auth_def','auth_arg_def','lang_def','timezone_def','datelocale_def',
-                 'portal_def');
-    my @authtypes = ('internal','krb4','krb5','localauth');
+                 'portal_def','intauth_cost','intauth_check','intauth_switch');
+    my @authtypes = ('internal','krb4','krb5','localauth','lti');
     foreach my $item (@items) {
         $newvalues{$item} = $env{'form.'.$item};
         if ($item eq 'auth_def') {
@@ -14563,6 +14878,24 @@ sub modify_defaults {
                     push(@errors,$item);
                 }
             }
+        } elsif ($item eq 'intauth_cost') {
+            if ($newvalues{$item} ne '') {
+                if ($newvalues{$item} =~ /\D/) {
+                    push(@errors,$item);
+                }
+            }
+        } elsif ($item eq 'intauth_check') {
+            if ($newvalues{$item} ne '') {
+                unless ($newvalues{$item} =~ /^(0|1|2)$/) {
+                    push(@errors,$item);
+                }
+            }
+        } elsif ($item eq 'intauth_switch') {
+            if ($newvalues{$item} ne '') {
+                unless ($newvalues{$item} =~ /^(0|1|2)$/) {
+                    push(@errors,$item);
+                }
+            }
         }
         if (grep(/^\Q$item\E$/,@errors)) {
             $newvalues{$item} = $domdefaults{$item};
@@ -14571,18 +14904,6 @@ sub modify_defaults {
         }
         $domdefaults{$item} = $newvalues{$item};
     }
-    my %staticdefaults = (
-                           'intauth_cost'   => 10,
-                           'intauth_check'  => 0,
-                           'intauth_switch' => 0,
-                         );
-    foreach my $item ('intauth_cost','intauth_check','intauth_switch') {
-        if (exists($domdefaults{$item})) {
-            $newvalues{$item} = $domdefaults{$item};
-        } else {
-            $newvalues{$item} = $staticdefaults{$item};
-        }
-    }
     my %defaults_hash = (
                          defaults => \%newvalues,
                         );
@@ -14603,12 +14924,10 @@ sub modify_defaults {
     my @allpos;
     my %alltypes;
     my @inststatusguest;
-    if (ref($currinststatus) eq 'HASH') {
-        if (ref($currinststatus->{'inststatusguest'}) eq 'ARRAY') {
-            foreach my $type (@{$currinststatus->{'inststatusguest'}}) {
-                unless (grep(/^\Q$type\E$/,@todelete)) {
-                    push(@inststatusguest,$type);
-                }
+    if (ref($currinststatus->{'inststatusguest'}) eq 'ARRAY') {
+        foreach my $type (@{$currinststatus->{'inststatusguest'}}) {
+            unless (grep(/^\Q$type\E$/,@todelete)) {
+                push(@inststatusguest,$type);
             }
         }
     }
@@ -14696,7 +15015,7 @@ sub modify_defaults {
                             $resulttext =~ s/, $//;
                             $resulttext .= '</li>';
                         } else {
-                            $resulttext .= '<li>'.&mt('Institutional user status types deleted').'</li>';
+                            $resulttext .= '<li>'.&mt('Institutional user status types deleted').'</li>'; 
                         }
                     }
                 } else {
@@ -14710,8 +15029,31 @@ sub modify_defaults {
                                           krb4       => 'krb4',
                                           krb5       => 'krb5',
                                           localauth  => 'loc',
+                                          lti        => 'lti',
                         );
                         $value = $authnames{$shortauth{$value}};
+                    } elsif ($item eq 'intauth_switch') {
+                        my %optiondesc = &Apache::lonlocal::texthash (
+                                            0 => 'No',
+                                            1 => 'Yes',
+                                            2 => 'Yes, and copy existing passwd file to passwd.bak file',
+                                         );
+                        if ($value =~ /^(0|1|2)$/) {
+                            $value = $optiondesc{$value};
+                        } else {
+                            $value = &mt('none -- defaults to No');
+                        }
+                    } elsif ($item eq 'intauth_check') {
+                        my %optiondesc = &Apache::lonlocal::texthash (
+                                             0 => 'No',
+                                             1 => 'Yes, allow login then update passwd file using default cost (if higher)',
+                                             2 => 'Yes, disallow login if stored cost is less than domain default',
+                                         );
+                        if ($value =~ /^(0|1|2)$/) {
+                            $value = $optiondesc{$value};
+                        } else {
+                            $value = &mt('none -- defaults to No');
+                        }
                     }
                     $resulttext .= '<li>'.&mt('[_1] set to "[_2]"',$title->{$item},$value).'</li>';
                     $mailmsgtext .= "$title->{$item} set to $value\n";  
@@ -14795,20 +15137,18 @@ sub modify_scantron {
             if ($env{'form.scantronformat_del'}) {
                 $confhash{'scantron'}{'scantronformat'} = '';
                 $changes{'scantronformat'} = 1;
-            } else {
-                $confhash{'scantron'}{'scantronformat'} = $domconfig{'scantron'}{'scantronformat'};
             }
         }
     }
-    my @options = ('hdr','pad','rem');
     my @fields = &scantroncsv_fields();
     my %titles = &scantronconfig_titles();
-    my @formats = &Apache::loncommon::get_env_multiple('form.scantronconfig');
+    my @formats = &Apache::loncommon::get_env_multiple('form.scantronformat');
     my ($newdat,$currdat,%newcol,%currcol);
     if (grep(/^dat$/,@formats)) {
         $confhash{'scantron'}{config}{dat} = 1;
         $newdat = 1;
     } else {
+        $confhash{'scantron'}{config}{dat} = 0;
         $newdat = 0;
     }
     if (grep(/^csv$/,@formats)) {
@@ -14817,30 +15157,21 @@ sub modify_scantron {
             if ($env{'form.scantronconfig_csv_'.$field} =~ /^(\d+)$/) {
                 my $posscol = $1;
                 if (($posscol < 20) && (!$bynum{$posscol})) {
-                    $confhash{'scantron'}{config}{csv}{fields}{$field} = $posscol;
+                    $confhash{'scantron'}{config}{csv}{$field} = $posscol;
                     $bynum{$posscol} = $field;
                     $newcol{$field} = $posscol;
                 }
             }
         }
-        if (keys(%newcol)) {
-            foreach my $option (@options) {
-                if ($env{'form.scantroncsv_'.$option}) {
-                    $confhash{'scantron'}{config}{csv}{options}{$option} = 1;
-                }
-            }
-        }
     }
     $currdat = 1;
     if (ref($domconfig{'scantron'}) eq 'HASH') {
         if (ref($domconfig{'scantron'}{'config'}) eq 'HASH') {
-            unless (exists($domconfig{'scantron'}{'config'}{'dat'})) {
+            if (!$domconfig{'scantron'}{'config'}{'dat'}) {
                 $currdat = 0;
             }
             if (ref($domconfig{'scantron'}{'config'}{'csv'}) eq 'HASH') {
-                if (ref($domconfig{'scantron'}{'config'}{'csv'}{'fields'}) eq 'HASH') {
-                    %currcol = %{$domconfig{'scantron'}{'config'}{'csv'}{'fields'}};
-                }
+                %currcol = %{$domconfig{'scantron'}{'config'}{'csv'}};
             }
         }
     }
@@ -14852,7 +15183,7 @@ sub modify_scantron {
                 if ($currcol{$field} ne $newcol{$field}) {
                     $changes{'config'} = 1;
                     last;
-                }
+                } 
             } elsif ($newcol{$field} ne '') {
                 $changes{'config'} = 1;
                 last;
@@ -14873,34 +15204,21 @@ sub modify_scantron {
                             $resulttext .= '<li>'.&mt('Custom bubblesheet format file ([_1]) uploaded for use with courses in this domain.',$custom).'</li>';
                         }
                     }
-                    if ($changes{'config'}) {
+                    if ($changes{'config'}) {    
                         if (ref($confhash{'scantron'}{'config'}) eq 'HASH') {
                             if ($confhash{'scantron'}{'config'}{'dat'}) {
                                 $resulttext .= '<li>'.&mt('Bubblesheet data upload formats includes .dat format').'</li>';
                             }
                             if (ref($confhash{'scantron'}{'config'}{'csv'}) eq 'HASH') {
-                                if (ref($confhash{'scantron'}{'config'}{'csv'}{'fields'}) eq 'HASH') {
-                                    if (keys(%{$confhash{'scantron'}{'config'}{'csv'}{'fields'}})) {
-                                        $resulttext .= '<li>'.&mt('Bubblesheet data upload formats includes .csv format, with following fields/column numbers supported:').'<ul>';
-                                        foreach my $field (@fields) {
-                                            if ($confhash{'scantron'}{'config'}{'csv'}{'fields'}{$field} ne '') {
-                                                my $showcol = $confhash{'scantron'}{'config'}{'csv'}{'fields'}{$field} + 1;
-                                                $resulttext .= '<li>'.$titles{$field}.': '.$showcol.'</li>';
-                                            }
-                                        }
-                                        $resulttext .= '</ul></li>';
-                                        if (ref($confhash{'scantron'}{'config'}{'csv'}{'options'}) eq 'HASH') {
-                                            if (keys(%{$confhash{'scantron'}{'config'}{'csv'}{'options'}})) {
-                                                $resulttext .= '<li>'.&mt('Bubblesheet data upload formats includes .csv format, with following options:').'<ul>';
-                                                foreach my $option (@options) {
-                                                    if ($confhash{'scantron'}{'config'}{'csv'}{'options'}{$option} ne '') {
-                                                        $resulttext .= '<li>'.$titles{$option}.'</li>';
-                                                    }
-                                                }
-                                                $resulttext .= '</ul></li>';
-                                            }
+                                if (keys(%{$confhash{'scantron'}{'config'}{'csv'}})) { 
+                                    '<li>'.&mt('Bubblesheet data upload formats includes .csv format, with following fields/column numbers supported:').'<ul>';
+                                    foreach my $field (@fields) {
+                                        if ($confhash{'scantron'}{'config'}{'csv'}{$field} ne '') {
+                                            my $showcol = $confhash{'scantron'}{'config'}{'csv'}{$field} + 1; 
+                                            $resulttext .= '<li>'.$titles{$field}.': '.$showcol.'</li>';
                                         }
                                     }
+                                    $resulttext .= '</ul></li>';
                                 }
                             }
                         } else {
@@ -14923,7 +15241,7 @@ sub modify_scantron {
                 &mt('An error occurred: [_1]',$putresult).'</span>';
         }
     } else {
-        $resulttext = &mt('No changes made to bubblesheet format settings');
+        $resulttext = &mt('No changes made to bubblesheet format file'); 
     }
     if ($errors) {
         $resulttext .= &mt('The following errors occurred: ').'<ul>'.
@@ -14956,6 +15274,15 @@ sub modify_coursecategories {
         if ($domconfig{'coursecategories'}{'categorizecomm'} ne $env{'form.categorizecomm'}) {
             $changes{'categorizecomm'} = 1;
             $domconfig{'coursecategories'}{'categorizecomm'} = $env{'form.categorizecomm'};
+
+        }
+        if ($domconfig{'coursecategories'}{'togglecatsplace'} ne $env{'form.togglecatsplace'}) {
+            $changes{'togglecatsplace'} = 1;
+            $domconfig{'coursecategories'}{'togglecatsplace'} = $env{'form.togglecatsplace'};
+        }
+        if ($domconfig{'coursecategories'}{'categorizeplace'} ne $env{'form.categorizeplace'}) {
+            $changes{'categorizeplace'} = 1;
+            $domconfig{'coursecategories'}{'categorizeplace'} = $env{'form.categorizeplace'};
         }
         foreach my $item (@catitems) {
             if (grep(/^\Q$env{'form.coursecat_'.$item}\E$/,@cattypes)) {
@@ -14970,11 +15297,15 @@ sub modify_coursecategories {
         $changes{'categorize'} = 1;
         $changes{'togglecatscomm'} = 1;
         $changes{'categorizecomm'} = 1;
+        $changes{'togglecatsplace'} = 1;
+        $changes{'categorizeplace'} = 1;
         $domconfig{'coursecategories'} = {
                                              togglecats => $env{'form.togglecats'},
                                              categorize => $env{'form.categorize'},
                                              togglecatscomm => $env{'form.togglecatscomm'},
                                              categorizecomm => $env{'form.categorizecomm'},
+                                             togglecatsplace => $env{'form.togglecatsplace'},
+                                             categorizeplace => $env{'form.categorizeplace'},
                                          };
         foreach my $item (@catitems) {
             if ($env{'form.coursecat_'.$item} ne 'std') {
@@ -14992,6 +15323,9 @@ sub modify_coursecategories {
         if (($domconfig{'coursecategories'}{'cats'}{'communities::0'} ne '')  && ($env{'form.communities'} == 0)) {
             push(@deletecategory,'communities::0');
         }
+        if (($domconfig{'coursecategories'}{'cats'}{'placement::0'} ne '')  && ($env{'form.placement'} == 0)) {
+            push(@deletecategory,'placement::0');
+        }
     }
     my (@predelcats,@predeltrails,%predelallitems,%sort_by_deltrail);
     if (ref($cathash) eq 'HASH') {
@@ -15054,9 +15388,23 @@ sub modify_coursecategories {
             $adds{$newitem} = 1;
         }
     }
+    if ($env{'form.placement'} eq '1') {
+        if (ref($cathash) eq 'HASH') {
+            my $newitem = 'placement::0';
+            if ($cathash->{$newitem} eq '') {
+                $domconfig{'coursecategories'}{'cats'}{$newitem} = $env{'form.placement_pos'};
+                $adds{$newitem} = 1;
+            }
+        } else {
+            my $newitem = 'placement::0';
+            $domconfig{'coursecategories'}{'cats'}{$newitem} = $env{'form.placement_pos'};
+            $adds{$newitem} = 1;
+        }
+    }
     if ($env{'form.addcategory_name'} ne '') {
         if (($env{'form.addcategory_name'} ne 'instcode') &&
-            ($env{'form.addcategory_name'} ne 'communities')) {
+            ($env{'form.addcategory_name'} ne 'communities') &&
+            ($env{'form.addcategory_name'} ne 'placement')) {
             my $newitem = &escape($env{'form.addcategory_name'}).'::0';
             $domconfig{'coursecategories'}{'cats'}{$newitem} = $env{'form.addcategory_pos'};
             $adds{$newitem} = 1;
@@ -15172,10 +15520,6 @@ sub modify_coursecategories {
                     }
                     $resulttext .= '</ul></li>';
                 }
-                &Apache::lonnet::do_cache_new('cats',$dom,$cathash,3600);
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'cats'} = 1;
-                }
             }
             $resulttext .= '</ul>';
             if ($changes{'unauth'} || $changes{'auth'}) {
@@ -15655,15 +15999,16 @@ sub modify_coursedefaults {
     my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,$errors,%changes,%defaultshash);
     my %defaultchecked = (
+                           'canuse_pdfforms' => 'off',
                            'uselcmath'       => 'on',
-                           'usejsme'         => 'on',
-                           'inline_chem'     => 'on',
+                           'usejsme'         => 'on'
                          );
-    my @toggles = ('uselcmath','usejsme','inline_chem');
+    my @toggles = ('canuse_pdfforms','uselcmath','usejsme');
     my @numbers = ('anonsurvey_threshold','uploadquota_official','uploadquota_unofficial',
-                   'uploadquota_community','uploadquota_textbook','mysqltables_official',
-                   'mysqltables_unofficial','mysqltables_community','mysqltables_textbook');
-    my @types = ('official','unofficial','community','textbook');
+                   'uploadquota_community','uploadquota_textbook','uploadquota_placement',
+                   'mysqltables_official','mysqltables_unofficial','mysqltables_community',
+                   'mysqltables_textbook','mysqltables_placement');
+    my @types = ('official','unofficial','community','textbook','placement');
     my %staticdefaults = (
                            anonsurvey_threshold => 10,
                            uploadquota          => 500,
@@ -15721,6 +16066,7 @@ sub modify_coursedefaults {
                 $defaultshash{'coursedefaults'}{$setting}{$type} = $newdef;
             }
             if ($currdef ne $newdef) {
+                my $staticdef;
                 if ($item eq 'anonsurvey_threshold') {
                     unless (($currdef eq '') && ($newdef == $staticdefaults{$item})) {
                         $changes{$item} = 1;
@@ -15736,12 +16082,11 @@ sub modify_coursedefaults {
         my $texengine;
         if ($env{'form.texengine'} =~ /^(MathJax|mimetex|tth)$/) {
             $texengine = $env{'form.texengine'};
-            my $currdef = $domconfig{'coursedefaults'}{'texengine'};
-            if ($currdef eq '') {
-                unless ($texengine eq $Apache::lonnet::deftex) {
+            if ($defaultshash{'coursedefaults'}{'texengine'} eq '') {
+                unless ($texengine eq 'MathJax') {
                     $changes{'texengine'} = 1;
                 }
-            } elsif ($currdef ne $texengine) {
+            } elsif ($defaultshash{'coursedefaults'}{'texengine'} ne $texengine) {
                 $changes{'texengine'} = 1;
             }
         }
@@ -15866,11 +16211,10 @@ sub modify_coursedefaults {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-            if (($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
+            if (($changes{'canuse_pdfforms'}) || ($changes{'uploadquota'}) || ($changes{'postsubmit'}) ||
                 ($changes{'coursecredits'}) || ($changes{'uselcmath'}) || ($changes{'usejsme'}) ||
-                ($changes{'canclone'}) || ($changes{'mysqltables'}) || ($changes{'texengine'}) ||
-                ($changes{'inline_chem'})) {
-                foreach my $item ('uselcmath','usejsme','inline_chem','texengine') {
+                ($changes{'canclone'}) || ($changes{'mysqltables'}) || ($changes{'texengine'})) {
+                foreach my $item ('canuse_pdfforms','uselcmath','usejsme','texengine') {
                     if ($changes{$item}) {
                         $domdefaults{$item}=$defaultshash{'coursedefaults'}{$item};
                     }
@@ -15921,7 +16265,13 @@ sub modify_coursedefaults {
             }
             $resulttext = &mt('Changes made:').'<ul>';
             foreach my $item (sort(keys(%changes))) {
-                if ($item eq 'uselcmath') {
+                if ($item eq 'canuse_pdfforms') {
+                    if ($env{'form.'.$item} eq '1') {
+                        $resulttext .= '<li>'.&mt("Course/Community users can create/upload PDF forms set to 'on'").'</li>';
+                    } else {
+                        $resulttext .= '<li>'.&mt('Course/Community users can create/upload PDF forms set to "off"').'</li>';
+                    }
+                } elsif ($item eq 'uselcmath') {
                     if ($env{'form.'.$item} eq '1') {
                         $resulttext .= '<li>'.&mt('Math preview uses LON-CAPA previewer (javascript), if supported by browser.').'</li>';
                     } else {
@@ -15933,12 +16283,6 @@ sub modify_coursedefaults {
                     } else {
                         $resulttext .= '<li>'.&mt('Molecule editor uses JME (Java), if supported by client OS.').'</li>';
                     }
-                } elsif ($item eq 'inline_chem') {
-                    if ($env{'form.'.$item} eq '1') {
-                        $resulttext .= '<li>'.&mt('Chemical Reaction Response uses inline previewer').'</li>';
-                    } else {
-                        $resulttext .= '<li>'.&mt('Chemical Reaction Response uses pop-up previewer').'</li>';
-                    }
                 } elsif ($item eq 'texengine') {
                     if ($defaultshash{'coursedefaults'}{'texengine'} ne '') {
                         $resulttext .= '<li>'.&mt('Default method to display mathematics set to: "[_1]"',
@@ -15952,7 +16296,7 @@ sub modify_coursedefaults {
                                        '<li>'.&mt('Official courses: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'uploadquota'}{'official'}.'</b>').'</li>'.
                                        '<li>'.&mt('Unofficial courses: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'uploadquota'}{'unofficial'}.'</b>').'</li>'.
                                        '<li>'.&mt('Textbook courses: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'uploadquota'}{'textbook'}.'</b>').'</li>'.
-
+                                       '<li>'.&mt('Placement tests: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'uploadquota'}{'placement'}.'</b>').'</li>'. 
                                        '<li>'.&mt('Communities: [_1] MB','<b>'.$defaultshash{'coursedefaults'}{'uploadquota'}{'community'}.'</b>').'</li>'.
                                        '</ul>'.
                                        '</li>';
@@ -15965,6 +16309,7 @@ sub modify_coursedefaults {
                                        '<li>'.&mt('Official courses: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'official'}.'</b>').'</li>'.
                                        '<li>'.&mt('Unofficial courses: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'unofficial'}.'</b>').'</li>'.
                                        '<li>'.&mt('Textbook courses: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'textbook'}.'</b>').'</li>'.
+                                       '<li>'.&mt('Placement tests: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'placement'}.'</b>').'</li>'.
                                        '<li>'.&mt('Communities: [_1] s','<b>'.$defaultshash{'coursedefaults'}{'mysqltables'}{'community'}.'</b>').'</li>'.
                                        '</ul>'.
                                        '</li>';
@@ -16000,6 +16345,8 @@ sub modify_coursedefaults {
                                     $resulttext .= &mt('Unofficial courses');
                                 } elsif ($type eq 'textbook') {
                                     $resulttext .= &mt('Textbook courses');
+                                } elsif ($type eq 'placement') {
+                                    $resulttext .= &mt('Placement tests');
                                 }
                                 $resulttext .= ' -- '.$display.'</li>';
                             }
@@ -16051,7 +16398,7 @@ sub modify_coursedefaults {
 sub modify_selfenrollment {
     my ($dom,$lastactref,%domconfig) = @_;
     my ($resulttext,$errors,%changes,%selfenrollhash,%ordered);
-    my @types = ('official','unofficial','community','textbook');
+    my @types = ('official','unofficial','community','textbook','placement');
     my %titles = &tool_titles();
     my %descs = &Apache::lonuserutils::selfenroll_default_descs();
     ($ordered{'admin'},my $titlesref) = &Apache::lonuserutils::get_selfenroll_titles();
@@ -16287,344 +16634,6 @@ sub modify_selfenrollment {
     return $resulttext;
 }
 
-sub modify_wafproxy {
-    my ($dom,$action,$lastactref,%domconfig) = @_;
-    my %servers = &Apache::lonnet::internet_dom_servers($dom);
-    my (%othercontrol,%canset,%values,%curralias,%currsaml,%currvalue,@warnings,
-        %wafproxy,%changes,%expirecache,%expiresaml);
-    foreach my $server (sort(keys(%servers))) {
-        my $serverhome = &Apache::lonnet::get_server_homeID($servers{$server});
-        if ($serverhome eq $server) {
-            my $serverdom = &Apache::lonnet::host_domain($server);
-            if ($serverdom eq $dom) {
-                $canset{$server} = 1;
-            }
-        }
-    }
-    if (ref($domconfig{'wafproxy'}) eq 'HASH') {
-        %{$values{$dom}} = ();
-        if (ref($domconfig{'wafproxy'}{'alias'}) eq 'HASH') {
-            %curralias = %{$domconfig{'wafproxy'}{'alias'}};
-        }
-        if (ref($domconfig{'wafproxy'}{'saml'}) eq 'HASH') {
-            %currsaml = %{$domconfig{'wafproxy'}{'saml'}};
-        }
-        foreach my $item ('remoteip','ipheader','trusted','vpnint','vpnext','sslopt') {
-            $currvalue{$item} = $domconfig{'wafproxy'}{$item};
-        }
-    }
-    my $output;
-    if (keys(%canset)) {
-        %{$wafproxy{'alias'}} = ();
-        %{$wafproxy{'saml'}} = ();
-        foreach my $key (sort(keys(%canset))) {
-            if ($env{'form.wafproxy_'.$dom}) {
-                $wafproxy{'alias'}{$key} = $env{'form.wafproxy_alias_'.$key};
-                $wafproxy{'alias'}{$key} =~ s/^\s+|\s+$//g;
-                if ($wafproxy{'alias'}{$key} ne $curralias{$key}) {
-                    $changes{'alias'} = 1;
-                }
-                if ($env{'form.wafproxy_alias_saml_'.$key}) {
-                    $wafproxy{'saml'}{$key} = 1;
-                }
-                if ($wafproxy{'saml'}{$key} ne $currsaml{$key}) {
-                    $changes{'saml'} = 1;
-                }
-            } else {
-                $wafproxy{'alias'}{$key} = '';
-                $wafproxy{'saml'}{$key} = '';
-                if ($curralias{$key}) {
-                    $changes{'alias'} = 1;
-                }
-                if ($currsaml{$key}) {
-                    $changes{'saml'} = 1;
-                }
-            }
-            if ($wafproxy{'alias'}{$key} eq '') {
-                if ($curralias{$key}) {
-                    $expirecache{$key} = 1;
-                }
-                delete($wafproxy{'alias'}{$key});
-            }
-            if ($wafproxy{'saml'}{$key} eq '') {
-                if ($currsaml{$key}) {
-                    $expiresaml{$key} = 1;
-                }
-                delete($wafproxy{'saml'}{$key});
-            }
-        }
-        unless (keys(%{$wafproxy{'alias'}})) {
-            delete($wafproxy{'alias'});
-        }
-        unless (keys(%{$wafproxy{'saml'}})) {
-            delete($wafproxy{'saml'});
-        }
-        # Localization for values in %warn occurs in &mt() calls separately.
-        my %warn = (
-                     trusted => 'trusted IP range(s)',
-                     vpnint => 'internal IP range(s) for VPN sessions(s)',
-                     vpnext => 'IP range(s) for backend WAF connections',
-                   );
-        foreach my $item ('remoteip','ipheader','trusted','vpnint','vpnext','sslopt') {
-            my $possible = $env{'form.wafproxy_'.$item};
-            $possible =~ s/^\s+|\s+$//g;
-            if ($possible ne '') {
-                if ($item eq 'remoteip') {
-                    if ($possible =~ /^[mhn]$/) {
-                        $wafproxy{$item} = $possible;
-                    }
-                } elsif ($item eq 'ipheader') {
-                    if ($wafproxy{'remoteip'} eq 'h') {
-                        $wafproxy{$item} = $possible;
-                    }
-                } elsif ($item eq 'sslopt') {
-                    if ($possible =~ /^0|1$/) {
-                        $wafproxy{$item} = $possible;
-                    }
-                } else {
-                    my (@ok,$count);
-                    if (($item eq 'vpnint') || ($item eq 'vpnext')) {
-                        unless ($env{'form.wafproxy_vpnaccess'}) {
-                            $possible = '';
-                        }
-                    } elsif ($item eq 'trusted') {
-                        unless ($wafproxy{'remoteip'} eq 'h') {
-                            $possible = '';
-                        }
-                    }
-                    unless ($possible eq '') {
-                        $possible =~ s/[\r\n]+/\s/g;
-                        $possible =~ s/\s*-\s*/-/g;
-                        $possible =~ s/\s+/,/g;
-                        $possible =~ s/,+/,/g;
-                    }
-                    $count = 0;
-                    if ($possible ne '') {
-                        foreach my $poss (split(/\,/,$possible)) {
-                            $count ++;
-                            $poss = &validate_ip_pattern($poss);
-                            if ($poss ne '') {
-                                push(@ok,$poss);
-                            }
-                        }
-                        my $diff = $count - scalar(@ok);
-                        if ($diff) {
-                            push(@warnings,'<li>'.
-                                 &mt('[quant,_1,IP] invalid and excluded from saved value for [_2]',
-                                     $diff,$warn{$item}).
-                                 '</li>');
-                        }
-                        if (@ok) {
-                            my @cidr_list;
-                            foreach my $item (@ok) {
-                                @cidr_list = &Net::CIDR::cidradd($item,@cidr_list);
-                            }
-                            $wafproxy{$item} = join(',',@cidr_list);
-                        }
-                    }
-                }
-                if ($wafproxy{$item} ne $currvalue{$item}) {
-                    $changes{$item} = 1;
-                }
-            } elsif ($currvalue{$item}) {
-                $changes{$item} = 1;
-            }
-        }
-    } else {
-        if (keys(%curralias)) {
-            $changes{'alias'} = 1;
-        }
-        if (keys(%currsaml)) {
-            $changes{'saml'} = 1;
-        }
-        if (keys(%currvalue)) {
-            foreach my $key (keys(%currvalue)) {
-                $changes{$key} = 1;
-            }
-        }
-    }
-    if (keys(%changes)) {
-        my %defaultshash = (
-                              wafproxy => \%wafproxy,
-                           );
-        my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
-                                                 $dom);
-        if ($putresult eq 'ok') {
-            my $cachetime = 24*60*60;
-            my (%domdefaults,$updatedomdefs);
-            foreach my $item ('ipheader','trusted','vpnint','vpnext','sslopt') {
-                if ($changes{$item}) {
-                    unless ($updatedomdefs) {
-                        %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
-                        $updatedomdefs = 1;
-                    }
-                    if ($wafproxy{$item}) {
-                        $domdefaults{'waf_'.$item} = $wafproxy{$item};
-                    } elsif (exists($domdefaults{'waf_'.$item})) {
-                        delete($domdefaults{'waf_'.$item});
-                    }
-                }
-            }
-            if ($updatedomdefs) {
-                &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'domdefaults'} = 1;
-                }
-            }
-            if ((exists($wafproxy{'alias'})) || (keys(%expirecache))) {
-                my %updates = %expirecache;
-                foreach my $key (keys(%expirecache)) {
-                    &Apache::lonnet::devalidate_cache_new('proxyalias',$key);
-                }
-                if (ref($wafproxy{'alias'}) eq 'HASH') {
-                    my $cachetime = 24*60*60;
-                    foreach my $key (keys(%{$wafproxy{'alias'}})) {
-                        $updates{$key} = 1;
-                        &Apache::lonnet::do_cache_new('proxyalias',$key,$wafproxy{'alias'}{$key},
-                                                      $cachetime);
-                    }
-                }
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'proxyalias'} = \%updates;
-                }
-            }
-            if ((exists($wafproxy{'saml'})) || (keys(%expiresaml))) {
-                my %samlupdates = %expiresaml;
-                foreach my $key (keys(%expiresaml)) {
-                    &Apache::lonnet::devalidate_cache_new('proxysaml',$key);
-                }
-                if (ref($wafproxy{'saml'}) eq 'HASH') {
-                    my $cachetime = 24*60*60;
-                    foreach my $key (keys(%{$wafproxy{'saml'}})) {
-                        $samlupdates{$key} = 1;
-                        &Apache::lonnet::do_cache_new('proxysaml',$key,$wafproxy{'saml'}{$key},
-                                                      $cachetime);
-                    }
-                }
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'proxysaml'} = \%samlupdates;
-                }
-            }
-            $output = &mt('Changes were made to Web Application Firewall/Reverse Proxy').'<ul>';
-            foreach my $item ('alias','saml','remoteip','ipheader','trusted','vpnint','vpnext','sslopt') {
-                if ($changes{$item}) {
-                    if ($item eq 'alias') {
-                        my $numaliased = 0;
-                        if (ref($wafproxy{'alias'}) eq 'HASH') {
-                            my $shown;
-                            if (keys(%{$wafproxy{'alias'}})) {
-                                foreach my $server (sort(keys(%{$wafproxy{'alias'}}))) {
-                                    $shown .= '<li>'.&mt('[_1] aliased by [_2]',
-                                                         &Apache::lonnet::hostname($server),
-                                                         $wafproxy{'alias'}{$server}).'</li>';
-                                    $numaliased ++;
-                                }
-                                if ($numaliased) {
-                                    $output .= '<li>'.&mt('Aliases for hostnames set to: [_1]',
-                                                          '<ul>'.$shown.'</ul>').'</li>';
-                                }
-                            }
-                        }
-                        unless ($numaliased) {
-                            $output .= '<li>'.&mt('Aliases deleted for hostnames').'</li>';
-                        }
-                    } elsif ($item eq 'saml') {
-                        my $shown;
-                        if (ref($wafproxy{'saml'}) eq 'HASH') {
-                            if (keys(%{$wafproxy{'saml'}})) {
-                                $shown = join(', ',sort(keys(%{$wafproxy{'saml'}})));
-                            }
-                        }
-                        if ($shown) {
-                            $output .= '<li>'.&mt('Alias used by SSO Auth for: [_1]',
-                                                  $shown).'</li>';
-                        } else {
-                            $output .= '<li>'.&mt('No alias used for SSO Auth').'</li>';
-                        }
-                    } else {
-                        if ($item eq 'remoteip') {
-                            my %ip_methods = &remoteip_methods();
-                            if ($wafproxy{$item} =~ /^[mh]$/) {
-                                $output .= '<li>'.&mt("Method for determining user's IP set to: [_1]",
-                                                      $ip_methods{$wafproxy{$item}}).'</li>';
-                            } else {
-                                if (($env{'form.wafproxy_'.$dom}) && (ref($wafproxy{'alias'}) eq 'HASH')) {
-                                    $output .= '<li>'.&mt("No method in use to get user's real IP (will report IP used by WAF).").
-                                               '</li>';
-                                } else {
-                                    $output .= '<li>'.&mt('WAF/Reverse Proxy not in use').'</li>';
-                                }
-                            }
-                        } elsif ($item eq 'ipheader') {
-                            if ($wafproxy{$item}) {
-                                $output .= '<li>'.&mt('Request header with remote IP set to: [_1]',
-                                                      $wafproxy{$item}).'</li>';
-                            } else {
-                                $output .= '<li>'.&mt('Request header with remote IP deleted').'</li>';
-                            }
-                        } elsif ($item eq 'trusted') {
-                            if ($wafproxy{$item}) {
-                                $output .= '<li>'.&mt('Trusted IP range(s) set to: [_1]',
-                                                      $wafproxy{$item}).'</li>';
-                            } else {
-                                $output .= '<li>'.&mt('Trusted IP range(s) deleted').'</li>';
-                            }
-                        } elsif ($item eq 'vpnint') {
-                            if ($wafproxy{$item}) {
-                                $output .= '<li>'.&mt('Internal IP Range(s) for VPN sessions set to: [_1]',
-                                                       $wafproxy{$item}).'</li>';
-                            } else {
-                                $output .= '<li>'.&mt('Internal IP Range(s) for VPN sessions deleted').'</li>';
-                            }
-                        } elsif ($item eq 'vpnext') {
-                            if ($wafproxy{$item}) {
-                                $output .= '<li>'.&mt('IP Range(s) for backend WAF connections set to: [_1]',
-                                                       $wafproxy{$item}).'</li>';
-                            } else {
-                                $output .= '<li>'.&mt('IP Range(s) for backend WAF connections deleted').'</li>';
-                            }
-                        } elsif ($item eq 'sslopt') {
-                            if ($wafproxy{$item}) {
-                                $output .= '<li>'.&mt('WAF/Reverse Proxy expected to forward requests to https on LON-CAPA node, regardless of original protocol in web browser (http or https).').'</li>';
-                            } else {
-                                $output .= '<li>'.&mt('WAF/Reverse Proxy expected to preserve original protocol in web browser (either http or https) when forwarding to LON-CAPA node.').'</li>';
-                            }
-                        }
-                    }
-                }
-            }
-        } else {
-            $output = '<span class="LC_error">'.
-                      &mt('An error occurred: [_1]',$putresult).'</span>';
-        }
-    } elsif (keys(%canset)) {
-        $output = &mt('No changes made to Web Application Firewall/Reverse Proxy settings');
-    }
-    if (@warnings) {
-        $output .= '<br />'.&mt('Warnings:').'<ul>'.
-                       join("\n",@warnings).'</ul>';
-    }
-    return $output;
-}
-
-sub validate_ip_pattern {
-    my ($pattern) = @_;
-    if ($pattern =~ /^([^-]+)\-([^-]+)$/) {
-        my ($start,$end) = ($1,$2);
-        if ((&Net::CIDR::cidrvalidate($start)) && (&Net::CIDR::cidrvalidate($end))) {
-            if (($start !~ m{/}) && ($end !~ m{/})) {
-                return $start.'-'.$end;
-            }
-        }
-    } elsif ($pattern ne '') {
-        $pattern = &Net::CIDR::cidrvalidate($pattern);
-        if ($pattern ne '') {
-            return $pattern;
-        }
-    }
-    return;
-}
-
 sub modify_usersessions {
     my ($dom,$lastactref,%domconfig) = @_;
     my @hostingtypes = ('version','excludedomain','includedomain');
@@ -16636,8 +16645,8 @@ sub modify_usersessions {
                 );
     my @prefixes = ('remote','hosted','spares');
     my @lcversions = &Apache::lonnet::all_loncaparevs();
-    my (%by_ip,%by_location,@intdoms);
-    &build_location_hashes(\@intdoms,\%by_ip,\%by_location);
+    my (%by_ip,%by_location,@intdoms,@instdoms);
+    &build_location_hashes(\@intdoms,\%by_ip,\%by_location,\@instdoms);
     my @locations = sort(keys(%by_location));
     my (%defaultshash,%changes);
     foreach my $prefix (@prefixes) {
@@ -16792,7 +16801,6 @@ sub modify_usersessions {
         }
     }
     $defaultshash{'usersessions'}{'offloadnow'} = {};
-    $defaultshash{'usersessions'}{'offloadoth'} = {};
     my @offloadnow = &Apache::loncommon::get_env_multiple('form.offloadnow');
     my @okoffload;
     if (@offloadnow) {
@@ -16809,22 +16817,6 @@ sub modify_usersessions {
             }
         }
     }
-    my @offloadoth = &Apache::loncommon::get_env_multiple('form.offloadoth');
-    my @okoffloadoth;
-    if (@offloadoth) {
-        foreach my $server (@offloadoth) {
-            if (&Apache::lonnet::hostname($server) ne '') {
-                unless (grep(/^\Q$server\E$/,@okoffloadoth)) {
-                    push(@okoffloadoth,$server);
-                }
-            }
-        }
-        if (@okoffloadoth) {
-            foreach my $lonhost (@okoffloadoth) {
-                $defaultshash{'usersessions'}{'offloadoth'}{$lonhost} = 1;
-            }
-        }
-    }
     if (ref($domconfig{'usersessions'}) eq 'HASH') {
         if (ref($domconfig{'usersessions'}{'spares'}) eq 'HASH') {
             if (ref($changes{'spares'}) eq 'HASH') {
@@ -16835,38 +16827,26 @@ sub modify_usersessions {
         } else {
             $savespares = 1;
         }
-        foreach my $offload ('offloadnow','offloadoth') {
-            if (ref($domconfig{'usersessions'}{$offload}) eq 'HASH') {
-                foreach my $lonhost (keys(%{$domconfig{'usersessions'}{$offload}})) {
-                    unless ($defaultshash{'usersessions'}{$offload}{$lonhost}) {
-                        $changes{$offload} = 1;
-                        last;
-                    }
+        if (ref($domconfig{'usersessions'}{'offloadnow'}) eq 'HASH') {
+            foreach my $lonhost (keys(%{$domconfig{'usersessions'}{'offloadnow'}})) {
+                unless ($defaultshash{'usersessions'}{'offloadnow'}{$lonhost}) {
+                    $changes{'offloadnow'} = 1;
+                    last;
                 }
-                unless ($changes{$offload}) {
-                    foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{$offload}})) {
-                        unless ($domconfig{'usersessions'}{$offload}{$lonhost}) {
-                            $changes{$offload} = 1;
-                            last;
-                        }
+            }
+            unless ($changes{'offloadnow'}) {
+                foreach my $lonhost (keys(%{$defaultshash{'usersessions'}{'offloadnow'}})) {
+                    unless ($domconfig{'usersessions'}{'offloadnow'}{$lonhost}) {
+                        $changes{'offloadnow'} = 1;
+                        last;
                     }
                 }
-            } else {
-                if (($offload eq 'offloadnow') && (@okoffload)) {
-                     $changes{'offloadnow'} = 1;
-                }
-                if (($offload eq 'offloadoth') && (@okoffloadoth)) {
-                    $changes{'offloadoth'} = 1;
-                }
             }
-        }
-    } else {
-        if (@okoffload) {
+        } elsif (@okoffload) {
             $changes{'offloadnow'} = 1;
         }
-        if (@okoffloadoth) {
-            $changes{'offloadoth'} = 1;
-        }
+    } elsif (@okoffload) {
+        $changes{'offloadnow'} = 1;
     }
     my $nochgmsg = &mt('No changes made to settings for user session hosting/offloading.');
     if ((keys(%changes) > 0) || ($savespares)) {
@@ -16883,9 +16863,6 @@ sub modify_usersessions {
                 if (ref($defaultshash{'usersessions'}{'offloadnow'}) eq 'HASH') {
                     $domdefaults{'offloadnow'} = $defaultshash{'usersessions'}{'offloadnow'};
                 }
-                if (ref($defaultshash{'usersessions'}{'offloadoth'}) eq 'HASH') {
-                    $domdefaults{'offloadoth'} = $defaultshash{'usersessions'}{'offloadoth'};
-                }
             }
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
@@ -16926,14 +16903,18 @@ sub modify_usersessions {
                         } else {
                             foreach my $type (@{$types{$prefix}}) {
                                 if (defined($changes{$prefix}{$type})) {
-                                    my $newvalue;
+                                    my ($newvalue,$notinuse);
                                     if (ref($defaultshash{'usersessions'}) eq 'HASH') {
                                         if (ref($defaultshash{'usersessions'}{$prefix})) {
                                             if ($type eq 'version') {
                                                 $newvalue = $defaultshash{'usersessions'}{$prefix}{$type};
-                                            } elsif (ref($defaultshash{'usersessions'}{$prefix}{$type}) eq 'ARRAY') {
-                                                if (@{$defaultshash{'usersessions'}{$prefix}{$type}} > 0) {
-                                                    $newvalue = join(', ',@{$defaultshash{'usersessions'}{$prefix}{$type}});
+                                            } else {
+                                                if (ref($defaultshash{'usersessions'}{$prefix}{$type}) eq 'ARRAY') {
+                                                    if (@{$defaultshash{'usersessions'}{$prefix}{$type}} > 0) {
+                                                        $newvalue = join(', ',@{$defaultshash{'usersessions'}{$prefix}{$type}});
+                                                    }
+                                                } else {
+                                                    $notinuse = 1;
                                                 }
                                             }
                                         }
@@ -16941,12 +16922,14 @@ sub modify_usersessions {
                                     if ($newvalue eq '') {
                                         if ($type eq 'version') {
                                             $resulttext .= '<li>'.&mt('[_1] set to: off',$lt{$type}).'</li>';
+                                        } elsif ($notinuse) {
+                                            $resulttext .= '<li>'.&mt('[_1] set to: not in use',$lt{$type}).'</li>';
                                         } else {
                                             $resulttext .= '<li>'.&mt('[_1] set to: none',$lt{$type}).'</li>';
                                         }
                                     } else {
                                         if ($type eq 'version') {
-                                            $newvalue .= ' '.&mt('(or later)'); 
+                                            $newvalue .= ' '.&mt('(or later)');
                                         }
                                         $resulttext .= '<li>'.&mt('[_1] set to: [_2].',$lt{$type},$newvalue).'</li>';
                                     }
@@ -16959,31 +16942,334 @@ sub modify_usersessions {
                 if ($changes{'offloadnow'}) {
                     if (ref($defaultshash{'usersessions'}{'offloadnow'}) eq 'HASH') {
                         if (keys(%{$defaultshash{'usersessions'}{'offloadnow'}}) > 0) {
-                            $resulttext .= '<li>'.&mt('Switch any active user on next access, for server(s):').'<ul>';
+                            $resulttext .= '<li>'.&mt('Switch active users on next access, for server(s):').'<ul>';
                             foreach my $lonhost (sort(keys(%{$defaultshash{'usersessions'}{'offloadnow'}}))) {
                                 $resulttext .= '<li>'.$lonhost.'</li>';
                             }
                             $resulttext .= '</ul>';
                         } else {
-                            $resulttext .= '<li>'.&mt('No servers now set to switch any active user on next access.');
+                            $resulttext .= '<li>'.&mt('No servers now set to switch active users on next access.');
                         }
                     } else {
-                        $resulttext .= '<li>'.&mt('No servers now set to switch any active user on next access.').'</li>';
+                        $resulttext .= '<li>'.&mt('No servers now set to switch active users on next access.').'</li>';
                     }
                 }
-                if ($changes{'offloadoth'}) {
-                    if (ref($defaultshash{'usersessions'}{'offloadoth'}) eq 'HASH') {
-                        if (keys(%{$defaultshash{'usersessions'}{'offloadoth'}}) > 0) {
-                            $resulttext .= '<li>'.&mt('Switch other institutions on next access, for server(s):').'<ul>';
-                            foreach my $lonhost (sort(keys(%{$defaultshash{'usersessions'}{'offloadoth'}}))) {
-                                $resulttext .= '<li>'.$lonhost.'</li>';
+                $resulttext .= '</ul>';
+            } else {
+                $resulttext = $nochgmsg;
+            }
+        } else {
+            $resulttext = '<span class="LC_error">'.
+                          &mt('An error occurred: [_1]',$putresult).'</span>';
+        }
+    } else {
+        $resulttext = $nochgmsg;
+    }
+    return $resulttext;
+}
+
+sub modify_ssl {
+    my ($dom,$lastactref,%domconfig) = @_;
+    my (%by_ip,%by_location,@intdoms,@instdoms);
+    &build_location_hashes(\@intdoms,\%by_ip,\%by_location,\@instdoms);
+    my @locations = sort(keys(%by_location));
+    my %servers = &Apache::lonnet::internet_dom_servers($dom);
+    my (%defaultshash,%changes);
+    my $action = 'ssl';
+    my @prefixes = ('connto','connfrom','replication');
+    foreach my $prefix (@prefixes) {
+        $defaultshash{$action}{$prefix} = {};
+    }
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my $resulttext;
+    my %iphost = &Apache::lonnet::get_iphost();
+    my @reptypes = ('certreq','nocertreq');
+    my @connecttypes = ('dom','intdom','other');
+    my %types = (
+                  connto      => \@connecttypes,
+                  connfrom    => \@connecttypes,
+                  replication => \@reptypes,
+                );
+    foreach my $prefix (sort(keys(%types))) {
+        foreach my $type (@{$types{$prefix}}) {
+            if (($prefix eq 'connto') || ($prefix eq 'connfrom')) {
+                my $value = 'yes';
+                if ($env{'form.'.$prefix.'_'.$type} =~ /^(no|req)$/) {
+                    $value = $env{'form.'.$prefix.'_'.$type};
+                }
+                if (ref($domconfig{$action}) eq 'HASH') {
+                    if (ref($domconfig{$action}{$prefix}) eq 'HASH') {
+                        if ($domconfig{$action}{$prefix}{$type} ne '') {
+                            if ($value ne $domconfig{$action}{$prefix}{$type}) {
+                                $changes{$prefix}{$type} = 1;
+                            }
+                            $defaultshash{$action}{$prefix}{$type} = $value;
+                        } else {
+                            $defaultshash{$action}{$prefix}{$type} = $value;
+                            $changes{$prefix}{$type} = 1;
+                        }
+                    } else {
+                        $defaultshash{$action}{$prefix}{$type} = $value;
+                        $changes{$prefix}{$type} = 1;
+                    }
+                } else {
+                    $defaultshash{$action}{$prefix}{$type} = $value;
+                    $changes{$prefix}{$type} = 1;
+                }
+                if (($type eq 'dom') && (keys(%servers) == 1)) {
+                    delete($changes{$prefix}{$type});
+                } elsif (($type eq 'intdom') && (@instdoms == 1)) {
+                    delete($changes{$prefix}{$type});
+                } elsif (($type eq 'other') && (keys(%by_location) == 0)) { 
+                    delete($changes{$prefix}{$type});
+                }
+            } elsif ($prefix eq 'replication') {
+                if (@locations > 0) {
+                    my $inuse = $env{'form.'.$prefix.'_'.$type.'_inuse'};
+                    my @vals = &Apache::loncommon::get_env_multiple('form.'.$prefix.'_'.$type);
+                    my @okvals;
+                    foreach my $val (@vals) {
+                        if ($val =~ /:/) {
+                            my @items = split(/:/,$val);
+                            foreach my $item (@items) {
+                                if (ref($by_location{$item}) eq 'ARRAY') {
+                                    push(@okvals,$item);
+                                }
                             }
-                            $resulttext .= '</ul>';
                         } else {
-                            $resulttext .= '<li>'.&mt('No servers now set to switch other institutions on next access.');
+                            if (ref($by_location{$val}) eq 'ARRAY') {
+                                push(@okvals,$val);
+                            }
+                        }
+                    }
+                    @okvals = sort(@okvals);
+                    if (ref($domconfig{$action}) eq 'HASH') {
+                        if (ref($domconfig{$action}{$prefix}) eq 'HASH') {
+                            if (ref($domconfig{$action}{$prefix}{$type}) eq 'ARRAY') {
+                                if ($inuse == 0) {
+                                    $changes{$prefix}{$type} = 1;
+                                } else {
+                                    $defaultshash{$action}{$prefix}{$type} = \@okvals;
+                                    my @changed = &Apache::loncommon::compare_arrays($domconfig{$action}{$prefix}{$type},$defaultshash{$action}{$prefix}{$type});
+                                    if (@changed > 0) {
+                                        $changes{$prefix}{$type} = 1;
+                                    }
+                                }
+                            } else {
+                                if ($inuse == 1) {
+                                    $defaultshash{$action}{$prefix}{$type} = \@okvals;
+                                    $changes{$prefix}{$type} = 1;
+                                }
+                            }
+                        } else {
+                            if ($inuse == 1) {
+                                $defaultshash{$action}{$prefix}{$type} = \@okvals;
+                                $changes{$prefix}{$type} = 1;
+                            }
+                        }
+                    } else {
+                        if ($inuse == 1) {
+                            $defaultshash{$action}{$prefix}{$type} = \@okvals;
+                            $changes{$prefix}{$type} = 1;
+                        }
+                    }
+                }
+            }
+        }
+    }
+    if (keys(%changes)) {
+        foreach my $prefix (keys(%changes)) {
+            if (ref($changes{$prefix}) eq 'HASH') {
+                if (scalar(keys(%{$changes{$prefix}})) == 0) {
+                    delete($changes{$prefix});
+                }
+            } else {
+                delete($changes{$prefix});
+            }
+        }
+    }
+    my $nochgmsg = &mt('No changes made to LON-CAPA SSL settings');
+    if (keys(%changes) > 0) {
+        my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
+                                                 $dom);
+        if ($putresult eq 'ok') {
+            if (ref($defaultshash{$action}) eq 'HASH') {
+                if (ref($defaultshash{$action}{'replication'}) eq 'HASH') {
+                    $domdefaults{'replication'} = $defaultshash{$action}{'replication'};
+                }
+                if (ref($defaultshash{$action}{'connto'}) eq 'HASH') {
+                    $domdefaults{'connto'} = $defaultshash{$action}{'connto'};
+                }
+                if (ref($defaultshash{$action}{'connfrom'}) eq 'HASH') {
+                    $domdefaults{'connfrom'} = $defaultshash{$action}{'connfrom'};
+                }
+            }
+            my $cachetime = 24*60*60;
+            &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+            if (ref($lastactref) eq 'HASH') {
+                $lastactref->{'domdefaults'} = 1;
+            }
+            if (keys(%changes) > 0) {
+                my %titles = &ssl_titles();
+                $resulttext = &mt('Changes made:').'<ul>';
+                foreach my $prefix (@prefixes) {
+                    if (ref($changes{$prefix}) eq 'HASH') {
+                        $resulttext .= '<li>'.$titles{$prefix}.'<ul>';
+                        foreach my $type (@{$types{$prefix}}) {
+                            if (defined($changes{$prefix}{$type})) {
+                                my ($newvalue,$notinuse);
+                                if (ref($defaultshash{$action}) eq 'HASH') {
+                                    if (ref($defaultshash{$action}{$prefix})) {
+                                        if (($prefix eq 'connto') || ($prefix eq 'connfrom')) {
+                                            $newvalue = $titles{$defaultshash{$action}{$prefix}{$type}};
+                                        } else {
+                                            if (ref($defaultshash{$action}{$prefix}{$type}) eq 'ARRAY') {
+                                                if (@{$defaultshash{$action}{$prefix}{$type}} > 0) {
+                                                    $newvalue = join(', ',@{$defaultshash{$action}{$prefix}{$type}});
+                                                }
+                                            } else {
+                                                $notinuse = 1;
+                                            }
+                                        }
+                                    }
+                                    if ($notinuse) {
+                                        $resulttext .= '<li>'.&mt('[_1] set to: not in use',$titles{$type}).'</li>';
+                                    } elsif ($newvalue eq '') {
+                                        $resulttext .= '<li>'.&mt('[_1] set to: none',$titles{$type}).'</li>';
+                                    } else {
+                                        $resulttext .= '<li>'.&mt('[_1] set to: [_2].',$titles{$type},$newvalue).'</li>';
+                                    }
+                                }
+                            }
+                        }
+                        $resulttext .= '</ul>';
+                    }
+                }
+            } else {
+                $resulttext = $nochgmsg;
+            }
+        } else {
+            $resulttext = '<span class="LC_error">'.
+                          &mt('An error occurred: [_1]',$putresult).'</span>';
+        }
+    } else {
+        $resulttext = $nochgmsg;
+    }
+    return $resulttext;
+}
+
+sub modify_trust {
+    my ($dom,$lastactref,%domconfig) = @_;
+    my (%by_ip,%by_location,@intdoms,@instdoms);
+    &build_location_hashes(\@intdoms,\%by_ip,\%by_location,\@instdoms);
+    my @locations = sort(keys(%by_location));
+    my @prefixes = qw(content shared enroll othcoau coaurem domroles catalog reqcrs msg);
+    my @types = ('exc','inc');
+    my (%defaultshash,%changes);
+    foreach my $prefix (@prefixes) {
+        $defaultshash{'trust'}{$prefix} = {};
+    }
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my $resulttext;
+    foreach my $prefix (@prefixes) {
+        foreach my $type (@types) {
+            my $inuse = $env{'form.'.$prefix.'_'.$type.'_inuse'};
+            my @vals = &Apache::loncommon::get_env_multiple('form.'.$prefix.'_'.$type);
+            my @okvals;
+            foreach my $val (@vals) {
+                if ($val =~ /:/) {
+                    my @items = split(/:/,$val);
+                    foreach my $item (@items) {
+                        if (ref($by_location{$item}) eq 'ARRAY') {
+                            push(@okvals,$item);
+                        }
+                    }
+                } else {
+                    if (ref($by_location{$val}) eq 'ARRAY') {
+                        push(@okvals,$val);
+                    }
+                }
+            }
+            @okvals = sort(@okvals);
+            if (ref($domconfig{'trust'}) eq 'HASH') {
+                if (ref($domconfig{'trust'}{$prefix}) eq 'HASH') {
+                    if (ref($domconfig{'trust'}{$prefix}{$type}) eq 'ARRAY') {
+                        if ($inuse == 0) {
+                            $changes{$prefix}{$type} = 1;
+                        } else {
+                            $defaultshash{'trust'}{$prefix}{$type} = \@okvals;
+                            my @changed = &Apache::loncommon::compare_arrays($domconfig{'trust'}{$prefix}{$type},$defaultshash{'trust'}{$prefix}{$type});
+                            if (@changed > 0) {
+                                $changes{$prefix}{$type} = 1;
+                            }
                         }
                     } else {
-                        $resulttext .= '<li>'.&mt('No servers now set to switch other institutions on next access.').'</li>';
+                        if ($inuse == 1) {
+                            $defaultshash{'trust'}{$prefix}{$type} = \@okvals;
+                            $changes{$prefix}{$type} = 1;
+                        }
+                    }
+                } else {
+                    if ($inuse == 1) {
+                        $defaultshash{'trust'}{$prefix}{$type} = \@okvals;
+                        $changes{$prefix}{$type} = 1;
+                    }
+                }
+            } else {
+                if ($inuse == 1) {
+                    $defaultshash{'trust'}{$prefix}{$type} = \@okvals;
+                    $changes{$prefix}{$type} = 1;
+                }
+            }
+        }
+    }
+    my $nochgmsg = &mt('No changes made to trust settings.');
+    if (keys(%changes) > 0) {
+        my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
+                                                 $dom);
+        if ($putresult eq 'ok') {
+            if (ref($defaultshash{'trust'}) eq 'HASH') {
+                foreach my $prefix (@prefixes) {
+                    if (ref($defaultshash{'trust'}{$prefix}) eq 'HASH') {
+                        $domdefaults{'trust'.$prefix} = $defaultshash{'trust'}{$prefix};
+                    }
+                }
+            }
+            my $cachetime = 24*60*60;
+            &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
+            if (ref($lastactref) eq 'HASH') {
+                $lastactref->{'domdefaults'} = 1;
+            }
+            if (keys(%changes) > 0) {
+                my %lt = &trust_titles();
+                $resulttext = &mt('Changes made:').'<ul>';
+                foreach my $prefix (@prefixes) {
+                    if (ref($changes{$prefix}) eq 'HASH') {
+                        $resulttext .= '<li>'.$lt{$prefix}.'<ul>';
+                        foreach my $type (@types) {
+                            if (defined($changes{$prefix}{$type})) {
+                                my ($newvalue,$notinuse);
+                                if (ref($defaultshash{'trust'}) eq 'HASH') {
+                                    if (ref($defaultshash{'trust'}{$prefix})) {
+                                        if (ref($defaultshash{'trust'}{$prefix}{$type}) eq 'ARRAY') {
+                                            if (@{$defaultshash{'trust'}{$prefix}{$type}} > 0) {
+                                                $newvalue = join(', ',@{$defaultshash{'trust'}{$prefix}{$type}});
+                                            }
+                                        } else {
+                                            $notinuse = 1;
+                                        }
+                                    }
+                                }
+                                if ($notinuse) {
+                                    $resulttext .= '<li>'.&mt('[_1] set to: not in use',$lt{$type}).'</li>';
+                                } elsif ($newvalue eq '') {
+                                    $resulttext .= '<li>'.&mt('[_1] set to: none',$lt{$type}).'</li>';
+                                } else {
+                                    $resulttext .= '<li>'.&mt('[_1] set to: [_2].',$lt{$type},$newvalue).'</li>';
+                                }
+                            }
+                        }
+                        $resulttext .= '</ul>';
                     }
                 }
                 $resulttext .= '</ul>';
@@ -17070,7 +17356,7 @@ sub modify_loadbalancing {
         }
         if ($env{'form.loadbalancing_cookie_'.$i}) {
             $defaultshash{'loadbalancing'}{$balancer}{'cookie'} = 1;
-            if (exists($currbalancer{$balancer})) {
+            if (exists($currbalancer{$balancer})) { 
                 unless ($currcookies{$balancer}) {
                     $changes{'curr'}{$balancer}{'cookie'} = 1;
                 }
@@ -17234,32 +17520,27 @@ sub modify_loadbalancing {
                             }
                         }
                         if ($changes{'curr'}{$balancer}{'cookie'}) {
-                            if ($currcookies{$balancer}) {
-                                $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- cookie use disabled',
-                                                          $balancer).'</li>';
-                            } else {
-                                $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- cookie use enabled',
-                                                          $balancer).'</li>';
-                            }
+                            $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- cookie use enabled',
+                                                      $balancer).'</li>'; 
                         }
-                    }
-                }
-                if (keys(%toupdate)) {
-                    my %thismachine;
-                    my $updatedhere;
-                    my $cachetime = 60*60*24;
-                    map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
-                    foreach my $lonhost (keys(%toupdate)) {
-                        if ($thismachine{$lonhost}) {
-                            unless ($updatedhere) {
-                                &Apache::lonnet::do_cache_new('loadbalancing',$dom,
-                                                              $defaultshash{'loadbalancing'},
-                                                              $cachetime);
-                                $updatedhere = 1;
+                        if (keys(%toupdate)) {
+                            my %thismachine;
+                            my $updatedhere;
+                            my $cachetime = 60*60*24;
+                            map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
+                            foreach my $lonhost (keys(%toupdate)) {
+                                if ($thismachine{$lonhost}) {
+                                    unless ($updatedhere) {
+                                        &Apache::lonnet::do_cache_new('loadbalancing',$dom,
+                                                                      $defaultshash{'loadbalancing'},
+                                                                      $cachetime);
+                                        $updatedhere = 1;
+                                    }
+                                } else {
+                                    my $cachekey = &escape('loadbalancing').':'.&escape($dom);
+                                    &Apache::lonnet::remote_devalidate_cache($lonhost,[$cachekey]);
+                                }
                             }
-                        } else {
-                            my $cachekey = &escape('loadbalancing').':'.&escape($dom);
-                            &Apache::lonnet::remote_devalidate_cache($lonhost,[$cachekey]);
                         }
                     }
                 }
@@ -18018,49 +18299,16 @@ sub devalidate_remote_domconfs {
     my %servers = &Apache::lonnet::internet_dom_servers($dom);
     my %thismachine;
     map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
-    my @posscached = ('domainconfig','domdefaults','usersessions',
-                      'directorysrch','passwdconf','cats','proxyalias','proxysaml',
-                      'ipaccess');
-    my %cache_by_lonhost;
-    if (exists($cachekeys->{'samllanding'})) {
-        if (ref($cachekeys->{'samllanding'}) eq 'HASH') {
-            my %landing = %{$cachekeys->{'samllanding'}};
-            my %domservers = &Apache::lonnet::get_servers($dom);
-            if (keys(%domservers)) {
-                foreach my $server (keys(%domservers)) {
-                    my @cached;
-                    next if ($thismachine{$server});
-                    if ($landing{$server}) {
-                        push(@cached,&escape('samllanding').':'.&escape($server));
-                    }
-                    if (@cached) {
-                        $cache_by_lonhost{$server} = \@cached;
-                    }
-                }
-            }
-        }
-    }
+    my @posscached = ('domainconfig','domdefaults','ltitools','usersessions','directorysrch');
     if (keys(%servers)) {
         foreach my $server (keys(%servers)) {
             next if ($thismachine{$server});
             my @cached;
             foreach my $name (@posscached) {
                 if ($cachekeys->{$name}) {
-                    if (($name eq 'proxyalias') || ($name eq 'proxysaml')) {
-                        if (ref($cachekeys->{$name}) eq 'HASH') {
-                            foreach my $key (keys(%{$cachekeys->{$name}})) {
-                                push(@cached,&escape($name).':'.&escape($key));
-                            }
-                        }
-                    } else {
-                        push(@cached,&escape($name).':'.&escape($dom));
-                    }
+                    push(@cached,&escape($name).':'.&escape($dom));
                 }
             }
-            if ((exists($cache_by_lonhost{$server})) &&
-                (ref($cache_by_lonhost{$server}) eq 'ARRAY')) {
-                push(@cached,@{$cache_by_lonhost{$server}});
-            }
             if (@cached) {
                 &Apache::lonnet::remote_devalidate_cache($server,\@cached);
             }