--- loncom/interface/domainprefs.pm	2013/12/19 08:25:48	1.160.6.28
+++ loncom/interface/domainprefs.pm	2013/08/12 16:51:57	1.203
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.28 2013/12/19 08:25:48 raeburn Exp $
+# $Id: domainprefs.pm,v 1.203 2013/08/12 16:51:57 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -86,7 +86,7 @@ $dom,$settings,$rowtotal,$action.
 
 $dom is the domain, $settings is a reference to a hash of current settings for
 the current context, $rowtotal is a reference to the scalar used to record the 
-number of rows displayed on the page, and $action is the context (quotas, 
+number of rows displayed on the page, and $action is the context (quotas,  
 requestcourses or requestauthor).
 
 The print_quotas routine was orginally created to display/store information
@@ -211,13 +211,15 @@ sub handler {
                 'quotas','autoenroll','autoupdate','autocreate',
                 'directorysrch','usercreation','usermodification',
                 'contacts','defaults','scantron','coursecategories',
-                'serverstatuses','requestcourses','coursedefaults',
-                'usersessions','loadbalancing','requestauthor'],$dom);
+                'serverstatuses','requestcourses','helpsettings',
+                'coursedefaults','usersessions','loadbalancing',
+                'requestauthor'],$dom);
     my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
                        'autoupdate','autocreate','directorysrch','contacts',
                        'usercreation','usermodification','scantron',
                        'requestcourses','requestauthor','coursecategories',
-                       'serverstatuses','coursedefaults','usersessions');
+                       'serverstatuses','helpsettings',
+                       'coursedefaults','usersessions');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -257,7 +259,7 @@ sub handler {
                       help => 'Domain_Configuration_Quotas',
                       header => [{col1 => 'User affiliation',
                                   col2 => 'Available tools',
-                                  col3 => 'Quotas, MB; (Authoring requires role)',}],
+                                  col3 => 'Quotas, Mb; (Authoring requires role)',}],
                     },
         'autoenroll' =>
                    { text => 'Auto-enrollment settings',
@@ -354,12 +356,26 @@ sub handler {
                               col3 => 'Specific IPs',
                             }],
                  },
-        'coursedefaults' =>
+        'helpsettings' =>
+                 {text   => 'Help page settings',
+                  help   => 'Domain_Configuration_Help_Settings',
+                  header => [{col1 => 'Help Settings (logged-in users)',
+                              col2 => 'Value'}],
+                 },
+        'coursedefaults' => 
                  {text => 'Course/Community defaults',
                   help => 'Domain_Configuration_Course_Defaults',
-                  header => [{col1 => 'Defaults which can be overridden for each course by a DC',
+                  header => [{col1 => 'Defaults which can be overridden in each course by a CC',
+                              col2 => 'Value',},
+                             {col1 => 'Defaults which can be overridden for each course by a DC',
                               col2 => 'Value',},],
                  },
+        'privacy' => 
+                 {text   => 'User Privacy',
+                  help   => 'Domain_Configuration_User_Privacy',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                 },
         'usersessions' =>
                  {text  => 'User session hosting/offloading',
                   help  => 'Domain_Configuration_User_Sessions',
@@ -400,12 +416,7 @@ sub handler {
     my $confname = $dom.'-domainconfig';
 
     if ($phase eq 'process') {
-        my $result = &Apache::lonconfigsettings::make_changes($r,$dom,$phase,$context,\@prefs_order,
-                                                              \%prefs,\%domconfig,$confname,\@roles);
-        if (ref($result) eq 'HASH') {
-            $r->rflush();
-            &devalidate_remote_domconfs($dom,$result);
-        }
+        &Apache::lonconfigsettings::make_changes($r,$dom,$phase,$context,\@prefs_order,\%prefs,\%domconfig,$confname,\@roles);
     } elsif ($phase eq 'display') {
         my $js = &recaptcha_js().
                  &credits_js();
@@ -427,7 +438,7 @@ sub handler {
         unless ($configuserok eq 'ok') {
             &Apache::lonconfigsettings::print_header($r,$phase,$context);
             $r->print(&mt('The domain configuration user "[_1]" has yet to be created.',
-                          $confname).
+                           $confname).
                       '<br />'
             );
             if ($switchserver) {
@@ -487,21 +498,21 @@ sub handler {
 }
 
 sub process_changes {
-    my ($r,$dom,$confname,$action,$roles,$values,$lastactref) = @_;
+    my ($r,$dom,$confname,$action,$roles,$values) = @_;
     my %domconfig;
     if (ref($values) eq 'HASH') {
         %domconfig = %{$values};
     }
     my $output;
     if ($action eq 'login') {
-        $output = &modify_login($r,$dom,$confname,$lastactref,%domconfig);
+        $output = &modify_login($r,$dom,$confname,%domconfig);
     } elsif ($action eq 'rolecolors') {
         $output = &modify_rolecolors($r,$dom,$confname,$roles,
-                                     $lastactref,%domconfig);
+                                     %domconfig);
     } elsif ($action eq 'quotas') {
-        $output = &modify_quotas($dom,$action,$lastactref,%domconfig);
+        $output = &modify_quotas($dom,$action,%domconfig);
     } elsif ($action eq 'autoenroll') {
-        $output = &modify_autoenroll($dom,$lastactref,%domconfig);
+        $output = &modify_autoenroll($dom,%domconfig);
     } elsif ($action eq 'autoupdate') {
         $output = &modify_autoupdate($dom,%domconfig);
     } elsif ($action eq 'autocreate') {
@@ -513,23 +524,25 @@ sub process_changes {
     } elsif ($action eq 'usermodification') {
         $output = &modify_usermodification($dom,%domconfig);
     } elsif ($action eq 'contacts') {
-        $output = &modify_contacts($dom,$lastactref,%domconfig);
+        $output = &modify_contacts($dom,%domconfig);
     } elsif ($action eq 'defaults') {
-        $output = &modify_defaults($dom,$lastactref,%domconfig);
+        $output = &modify_defaults($dom,$r,%domconfig);
     } elsif ($action eq 'scantron') {
-        $output = &modify_scantron($r,$dom,$confname,$lastactref,%domconfig);
+        $output = &modify_scantron($r,$dom,$confname,%domconfig);
     } elsif ($action eq 'coursecategories') {
         $output = &modify_coursecategories($dom,%domconfig);
     } elsif ($action eq 'serverstatuses') {
         $output = &modify_serverstatuses($dom,%domconfig);
     } elsif ($action eq 'requestcourses') {
-        $output = &modify_quotas($dom,$action,$lastactref,%domconfig);
+        $output = &modify_quotas($dom,$action,%domconfig);
     } elsif ($action eq 'requestauthor') {
-        $output = &modify_quotas($dom,$action,$lastactref,%domconfig);
+        $output = &modify_quotas($dom,$action,%domconfig);
+    } elsif ($action eq 'helpsettings') {
+        $output = &modify_helpsettings($r,$dom,$confname,%domconfig);
     } elsif ($action eq 'coursedefaults') {
-        $output = &modify_coursedefaults($dom,$lastactref,%domconfig);
+        $output = &modify_coursedefaults($dom,%domconfig);
     } elsif ($action eq 'usersessions') {
-        $output = &modify_usersessions($dom,$lastactref,%domconfig);
+        $output = &modify_usersessions($dom,%domconfig);
     } elsif ($action eq 'loadbalancing') {
         $output = &modify_loadbalancing($dom,%domconfig);
     }
@@ -558,7 +571,7 @@ sub print_config_box {
     if ($numheaders > 1) {
         my $colspan = '';
         my $rightcolspan = '';
-        if (($action eq 'rolecolors') || ($action eq 'coursecategories') ||
+        if (($action eq 'rolecolors') || ($action eq 'coursecategories') || 
             (($action eq 'login') && ($numheaders < 3))) {
             $colspan = ' colspan="2"';
         }
@@ -597,6 +610,8 @@ sub print_config_box {
             $output .= &print_usersessions('top',$dom,$settings,\$rowtotal); 
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'student',$dom,$confname,$settings,\$rowtotal);
+        } elsif ($action eq 'coursedefaults') {
+            $output .= &print_coursedefaults('top',$dom,$settings,\$rowtotal);
         }
         $output .= '
            </table>
@@ -686,6 +701,8 @@ sub print_config_box {
               <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td>      </tr>'.
                        &print_usersessions('bottom',$dom,$settings,\$rowtotal);
             $rowtotal ++;
+        } elsif ($action eq 'coursedefaults') {
+            $output .= &print_coursedefaults('bottom',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'coordinator',$dom,$confname,$settings,\$rowtotal).'
            </table>
@@ -773,7 +790,7 @@ sub print_config_box {
         } elsif ($action eq 'contacts') {
             $output .= &print_contacts($dom,$settings,\$rowtotal);
         } elsif ($action eq 'defaults') {
-            $output .= &print_defaults($dom,$settings,\$rowtotal);
+            $output .= &print_defaults($dom,\$rowtotal);
         } elsif ($action eq 'scantron') {
             $output .= &print_scantronformat($r,$dom,$confname,$settings,\$rowtotal);
         } elsif ($action eq 'serverstatuses') {
@@ -782,8 +799,6 @@ sub print_config_box {
             $output .= &print_helpsettings($dom,$confname,$settings,\$rowtotal);
         } elsif ($action eq 'loadbalancing') {
             $output .= &print_loadbalancing($dom,$settings,\$rowtotal);
-        } elsif ($action eq 'coursedefaults') {
-            $output .= &print_coursedefaults('bottom',$dom,$settings,\$rowtotal);
         }
     }
     $output .= '
@@ -1537,7 +1552,7 @@ sub print_quotas {
     } elsif ($context eq 'requestauthor') {
         @usertools = ('author');
         @options = ('norequest','approval','automatic');
-        %titles = &authorrequest_titles();
+        %titles = &authorrequest_titles(); 
     } else {
         @usertools = ('aboutme','blog','webdav','portfolio');
         %titles = &tool_titles();
@@ -1944,7 +1959,7 @@ sub print_quotas {
 
 sub print_requestmail {
     my ($dom,$action,$settings,$rowtotal) = @_;
-    my ($now,$datatable,%currapp);
+    my ($now,$datatable,%currapp,$rows);
     $now = time;
     if (ref($settings) eq 'HASH') {
         if (ref($settings->{'notify'}) eq 'HASH') {
@@ -2137,7 +2152,7 @@ sub print_autocreate {
                 }
             }
         }
-        if ($settings->{'xmldc'} ne '') {
+        if ($settings->{'xmldc'} ne '') { 
             $currhash{$settings->{'xmldc'}} = 1;
         }
     } else {
@@ -2523,7 +2538,7 @@ sub print_coursedefaults {
         $datatable .= '</tr></table></td></tr>'."\n";
         $itemcount += 2;
         my $onclick = 'toggleCredits(this.form);';
-        my $display = 'none';
+        my $display = 'none';  
         if ($currusecredits) {
             $display = 'block';
         }
@@ -2978,7 +2993,7 @@ sub print_loadbalancing {
     }
     my ($othertitle,$usertypes,$types) =
         &Apache::loncommon::sorted_inst_types($dom);
-    my $rownum = 8;
+    my $rownum = 6;
     if (ref($types) eq 'ARRAY') {
         $rownum += scalar(@{$types});
     }
@@ -3009,7 +3024,7 @@ sub print_loadbalancing {
                       '<td rowspan="'.$rownum.'" valign="top">'.
                       '<p>';
         if ($lonhost eq '') {
-            $datatable .= '<span class="LC_nobreak">';
+            $datatable .= '<span class="LC_nobreak">'; 
             if (keys(%currbalancer) > 0) {
                 $datatable .= &mt('Add balancer:');
             } else {
@@ -3025,7 +3040,7 @@ sub print_loadbalancing {
                 next if ($currbalancer{$server});
                 $datatable .= '<option value="'.$server.'">'.$server.'</option>'."\n";
             }
-            $datatable .=
+            $datatable .= 
                 '</select>'."\n".
                 '<input type="hidden" name="loadbalancing_prevlonhost_'.$balnum.'" id="loadbalancing_prevlonhost_'.$balnum.'" value="" />&nbsp;</span>'."\n";
         } else {
@@ -3064,7 +3079,7 @@ sub print_loadbalancing {
                 if (exists($currbalancer{$spares[$i]})) {
                     $disabled = ' disabled="disabled"';
                 }
-                $targettable .=
+                $targettable .= 
                     '<td><label><input type="checkbox" name="loadbalancing_target_'.$balnum.'_'.$sparetype.'"'.
                     $checked.$disabled.' value="'.$chkboxval.'" id="loadbalancing_target_'.$balnum.'_'.$sparetype.'_'.$i.'" onclick="checkOffloads('."this,'$balnum','$sparetype'".');" /><span id="loadbalancing_targettxt_'.$balnum.'_'.$sparetype.'_'.$i.'">&nbsp;'.$chkboxval.
                     '</span></label></td>';
@@ -3148,7 +3163,7 @@ sub loadbalancing_rules {
         $css_class,$balnum,$islast) = @_;
     my $output;
     my $num = 0;
-    my ($alltypes,$othertypes,$titles) =
+    my ($alltypes,$othertypes,$titles) = 
         &loadbalancing_titles($dom,$intdom,$usertypes,$types);
     if ((ref($alltypes) eq 'ARRAY') && (ref($titles) eq 'HASH'))  {
         foreach my $type (@{$alltypes}) {
@@ -3157,7 +3172,7 @@ sub loadbalancing_rules {
             if (ref($currrules) eq 'HASH') {
                 $current = $currrules->{$type};
             }
-            if (($type eq '_LC_external') || ($type eq '_LC_internetdom') || ($type eq '_LC_ipchange')) {
+            if (($type eq '_LC_external') || ($type eq '_LC_internetdom')) {
                 if ($dom ne &Apache::lonnet::host_domain($lonhost)) {
                     $current = '';
                 }
@@ -3178,10 +3193,8 @@ sub loadbalancing_titles {
            '_LC_author'      => &mt('Users from [_1] with author role',$dom),
            '_LC_internetdom' => &mt('Users not from [_1], but from [_2]',$dom,$intdom),
            '_LC_external'    => &mt('Users not from [_1]',$intdom),
-           '_LC_ipchangesso' => &mt('SSO users from [_1], with IP mismatch',$dom),
-           '_LC_ipchange'    => &mt('Non-SSO users with IP mismatch'),
                      );
-    my @alltypes = ('_LC_adv','_LC_author','_LC_internetdom','_LC_external','_LC_ipchangesso','_LC_ipchange');
+    my @alltypes = ('_LC_adv','_LC_author','_LC_internetdom','_LC_external');
     if (ref($types) eq 'ARRAY') {
         unshift(@alltypes,@{$types},'default');
     }
@@ -3206,28 +3219,23 @@ sub loadbalancing_titles {
 sub loadbalance_rule_row {
     my ($type,$title,$current,$servers,$currbalancer,$lonhost,$dom,
         $targets_div_style,$homedom_div_style,$css_class,$balnum,$num,$islast) = @_;
-    my @rulenames;
+    my @rulenames = ('default','homeserver');
     my %ruletitles = &offloadtype_text();
-    if (($type eq '_LC_ipchangesso') || ($type eq '_LC_ipchange')) {
-        @rulenames = ('balancer','offloadedto');
+    if ($type eq '_LC_external') {
+        push(@rulenames,'externalbalancer');
     } else {
-        @rulenames = ('default','homeserver');
-        if ($type eq '_LC_external') {
-            push(@rulenames,'externalbalancer');
-        } else {
-            push(@rulenames,'specific');
-        }
-        push(@rulenames,'none');
+        push(@rulenames,'specific');
     }
+    push(@rulenames,'none');
     my $style = $targets_div_style;
-    if (($type eq '_LC_external') || ($type eq '_LC_internetdom') || ($type eq '_LC_ipchange')) {
+    if (($type eq '_LC_external') || ($type eq '_LC_internetdom')) {
         $style = $homedom_div_style;
     }
     my $space;
     if ($islast && $num == 1) {
         $space = '<div display="inline-block">&nbsp;</div>';
     }
-    my $output =
+    my $output = 
         '<tr class="'.$css_class.'" id="balanceruletr_'.$balnum.'_'.$num.'"><td valign="top">'.$space.
         '<div id="balanceruletitle_'.$balnum.'_'.$type.'" style="'.$style.'">'.$title.'</div></td>'."\n".
         '<td valaign="top">'.$space.
@@ -3247,7 +3255,7 @@ sub loadbalance_rule_row {
                 unless ($checked) {
                     $default = ' selected="selected"';
                 }
-                $extra =
+                $extra = 
                     ':&nbsp;<select name="loadbalancing_singleserver_'.$balnum.'_'.$type.
                     '" id="loadbalancing_singleserver_'.$balnum.'_'.$type.
                     '" onchange="singleServerToggle('."'$balnum','$type'".')">'."\n".
@@ -3285,8 +3293,6 @@ sub offloadtype_text {
            'externalbalancer' => "Offloads to Load Balancer in user's domain",
            'specific'         => 'Offloads to specific server',
            'none'             => 'No offload',
-           'balancer'         => 'Session hosted on Load Balancer, after re-authentication',
-           'offloadedto'      => 'Session hosted on offload server, after re-authentication',
     );
     return %ruletitles;
 }
@@ -3352,7 +3358,7 @@ sub authorrequest_titles {
                                    automatic  => 'Automatic approval',
                  );
     return %titles;
-}
+} 
 
 sub courserequest_conditions {
     my %conditions = &Apache::lonlocal::texthash (
@@ -3591,9 +3597,9 @@ sub captcha_choice {
 #
 # Note: If reCAPTCHA is to be used for LON-CAPA servers in a domain, a domain coordinator should visit:
 # https://www.google.com/recaptcha and generate a Public and Private key. For domains with multiple
-# servers a single key pair will be used for all servers, so the internet domain (e.g., yourcollege.edu)
+# servers a single key pair will be used for all servers, so the internet domain (e.g., yourcollege.edu) 
 # specified for use with the key should be broad enough to accommodate all servers in the LON-CAPA domain.
-#
+#  
     $output .= '</td></tr>'."\n".
                '<tr><td>'."\n".
                '<span class="LC_nobreak"><span id="'.$context.'_recaptchapubtxt">'.$pubtext.'</span>&nbsp;'."\n".
@@ -3740,18 +3746,10 @@ sub print_usermodification {
 }
 
 sub print_defaults {
-    my ($dom,$settings,$rowtotal) = @_;
+    my ($dom,$rowtotal) = @_;
     my @items = ('auth_def','auth_arg_def','lang_def','timezone_def',
                  'datelocale_def','portal_def');
-    my %defaults;
-    if (ref($settings) eq 'HASH') {
-        %defaults = %{$settings};
-    } else {
-        my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
-        foreach my $item (@items) {
-            $defaults{$item} = $domdefaults{$item};
-        }
-    }
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
     my $titles = &defaults_titles($dom);
     my $rownum = 0;
     my ($datatable,$css_class);
@@ -3775,7 +3773,7 @@ sub print_defaults {
             my %authnames = &authtype_names();
             foreach my $auth (@authtypes) {
                 my $checked = ' ';
-                if ($defaults{$item} eq $auth) {
+                if ($domdefaults{$item} eq $auth) {
                     $checked = ' checked="checked" ';
                 }
                 $datatable .= '<label><input type="radio" name="'.$item.
@@ -3784,15 +3782,15 @@ sub print_defaults {
             }
         } elsif ($item eq 'timezone_def') {
             my $includeempty = 1;
-            $datatable .= &Apache::loncommon::select_timezone($item,$defaults{$item},undef,$includeempty);
+            $datatable .= &Apache::loncommon::select_timezone($item,$domdefaults{$item},undef,$includeempty);
         } elsif ($item eq 'datelocale_def') {
             my $includeempty = 1;
-            $datatable .= &Apache::loncommon::select_datelocale($item,$defaults{$item},undef,$includeempty);
+            $datatable .= &Apache::loncommon::select_datelocale($item,$domdefaults{$item},undef,$includeempty);
         } elsif ($item eq 'lang_def') {
             my %langchoices = &get_languages_hash();
             $langchoices{''} = 'No language preference';
             %langchoices = &Apache::lonlocal::texthash(%langchoices);
-            $datatable .= &Apache::loncommon::select_form($defaults{$item},$item,
+            $datatable .= &Apache::loncommon::select_form($domdefaults{$item},$item,
                                                           \%langchoices);
         } else {
             my $size;
@@ -3800,7 +3798,7 @@ sub print_defaults {
                 $size = ' size="25"';
             }
             $datatable .= '<input type="text" name="'.$item.'" value="'.
-                          $defaults{$item}.'"'.$size.' />';
+                          $domdefaults{$item}.'"'.$size.' />';
         }
         $datatable .= '</td></tr>';
         $rownum ++;
@@ -4439,7 +4437,7 @@ sub build_category_rows {
             if (ref($cats->[$depth]{$parent}) eq 'ARRAY') {
                 my $numchildren = @{$cats->[$depth]{$parent}};
                 my $css_class = $itemcount%2?' class="LC_odd_row"':'';
-                $text .= '<td><table class="LC_data_table">';
+                $text .= '<td><table class="LC_datatable">';
                 my ($idxnum,$parent_name,$parent_item);
                 my $higher = $depth - 1;
                 if ($higher == 0) {
@@ -4731,7 +4729,7 @@ sub usertype_update_row {
 }
 
 sub modify_login {
-    my ($r,$dom,$confname,$lastactref,%domconfig) = @_;
+    my ($r,$dom,$confname,%domconfig) = @_;
     my ($resulttext,$errors,$colchgtext,%changes,%colchanges,%newfile,%newurl,
         %curr_loginvia,%loginhash,@currlangs,@newlangs,$addedfile,%title,@offon);
     %title = ( coursecatalog => 'Display course catalog',
@@ -4911,7 +4909,7 @@ sub modify_login {
                     } else {
                         my $puberror = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$newfile{$lang},$result);
                         $errors .= '<li><span class="LC_error">'.$puberror.'</span></li>';
-                        if ((grep(/^\Q$lang\E$/,@currlangs)) &&
+                        if ((grep(/^\Q$lang\E$/,@currlangs)) && 
                             (!grep(/^\Q$lang\E$/,@delurls))) {
 
                             $loginhash{'login'}{'helpurl'}{$lang} = $domconfig{'login'}{'helpurl'}{$lang};
@@ -4969,9 +4967,6 @@ sub modify_login {
         }
         if (keys(%changes) > 0 || $colchgtext) {
             &Apache::loncommon::devalidate_domconfig_cache($dom);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'domainconfig'} = 1;
-            }
             $resulttext = &mt('Changes made:').'<ul>';
             foreach my $item (sort(keys(%changes))) {
                 if ($item eq 'loginvia') {
@@ -5031,7 +5026,7 @@ sub modify_login {
                     }
                 } elsif ($item eq 'captcha') {
                     if (ref($loginhash{'login'}) eq 'HASH') {
-                        my $chgtxt;
+                        my $chgtxt; 
                         if ($loginhash{'login'}{$item} eq 'notused') {
                             $chgtxt .= &mt('No CAPTCHA validation in use for helpdesk form.');
                         } else {
@@ -5104,7 +5099,7 @@ sub color_font_choices {
 }
 
 sub modify_rolecolors {
-    my ($r,$dom,$confname,$roles,$lastactref,%domconfig) = @_;
+    my ($r,$dom,$confname,$roles,%domconfig) = @_;
     my ($resulttext,%rolehash);
     $rolehash{'rolecolors'} = {};
     if (ref($domconfig{'rolecolors'}) ne 'HASH') {
@@ -5119,9 +5114,6 @@ sub modify_rolecolors {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             &Apache::loncommon::devalidate_domconfig_cache($dom);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'domainconfig'} = 1;
-            }
             $resulttext = &display_colorchgs($dom,\%changes,$roles,
                                              $rolehash{'rolecolors'});
         } else {
@@ -5533,7 +5525,7 @@ sub publishlogo {
 # See if there is anything left
     unless ($fname) { return ('error: no uploaded file'); }
     $fname="$subdir/$fname";
-    my $docroot=$r->dir_config('lonDocRoot');
+    my $docroot=$r->dir_config('lonDocRoot'); 
     my $filepath="$docroot/priv";
     my $relpath = "$dom/$confname";
     my ($fnamepath,$file,$fetchthumb);
@@ -5553,7 +5545,7 @@ sub publishlogo {
     if ($file=~/\.(\w+)$/ &&
         (&Apache::loncommon::fileembstyle($1) eq 'hdn')) {
         $output = 
-            &mt('Invalid file extension ([_1]) - reserved for internal use.',$1); 
+            &mt('Invalid file extension ([_1]) - reserved for LONCAPA use.',$1); 
     } elsif ($file=~/\.(\w+)$/ &&
         !defined(&Apache::loncommon::fileembstyle($1))) {
         $output = &mt('Unrecognized file extension ([_1]) - rename the file with a proper extension and re-upload.',$1);
@@ -5802,7 +5794,7 @@ sub check_switchserver {
 }
 
 sub modify_quotas {
-    my ($dom,$action,$lastactref,%domconfig) = @_;
+    my ($dom,$action,%domconfig) = @_;
     my ($context,@usertools,@options,%validations,%titles,%confhash,%toolshash,
         %limithash,$toolregexp,%conditions,$resulttext,%changes);
     if ($action eq 'quotas') {
@@ -5824,7 +5816,7 @@ sub modify_quotas {
         @usertools = ('aboutme','blog','webdav','portfolio');
         %titles = &tool_titles();
     }
-    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
     my ($othertitle,$usertypes,$types) = &Apache::loncommon::sorted_inst_types($dom);
     foreach my $key (keys(%env)) {
         if ($context eq 'requestcourses') {
@@ -6023,11 +6015,9 @@ sub modify_quotas {
         if (keys(%changes) > 0) {
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'domdefaults'} = 1;
-            }
+
             $resulttext = &mt('Changes made:').'<ul>';
-            unless (($context eq 'requestcourses') ||
+            unless (($context eq 'requestcourses') || 
                     ($context eq 'requestauthor')) {
                 if (ref($changes{'defaultquota'}) eq 'HASH') {
                     $resulttext .= '<li>'.&mt('Portfolio default quotas').'<ul>';
@@ -6037,7 +6027,7 @@ sub modify_quotas {
                             if ($type eq 'default') {
                                 $typetitle = $othertitle;
                             }
-                            $resulttext .= '<li>'.&mt('[_1] set to [_2] MB',$typetitle,$confhash{'defaultquota'}{$type}).'</li>';
+                            $resulttext .= '<li>'.&mt('[_1] set to [_2] Mb',$typetitle,$confhash{'defaultquota'}{$type}).'</li>';
                         }
                     }
                     $resulttext .= '</ul></li>';
@@ -6050,7 +6040,7 @@ sub modify_quotas {
                             if ($type eq 'default') {
                                 $typetitle = $othertitle;
                             }
-                            $resulttext .= '<li>'.&mt('[_1] set to [_2] MB',$typetitle,$confhash{'authorquota'}{$type}).'</li>';
+                            $resulttext .= '<li>'.&mt('[_1] set to [_2] Mb',$typetitle,$confhash{'authorquota'}{$type}).'</li>';
                         }
                     }
                     $resulttext .= '</ul></li>';
@@ -6061,7 +6051,7 @@ sub modify_quotas {
                 my (%haschgs,%inconf);
                 if ($context eq 'requestauthor') {
                     %haschgs = %changes;
-                    %inconf = %confhash;
+                    %inconf = %confhash; 
                 } else {
                     if (ref($changes{$item}) eq 'HASH') {
                         %haschgs = %{$changes{$item}};
@@ -6075,7 +6065,7 @@ sub modify_quotas {
                         &Apache::lonnet::usertools_access($env{'user.name'},
                                                           $env{'user.domain'},
                                                           $item,'reload',$context);
-                    if (($context eq 'requestcourses') ||
+                    if (($context eq 'requestcourses') || 
                         ($context eq 'requestauthor')) {
                         if ($env{'environment.canrequest.'.$item} ne $newacc) {
                             $newenv{'environment.canrequest.'.$item} = $newacc;
@@ -6168,7 +6158,7 @@ sub modify_quotas {
 }
 
 sub modify_autoenroll {
-    my ($dom,$lastactref,%domconfig) = @_;
+    my ($dom,%domconfig) = @_;
     my ($resulttext,%changes);
     my %currautoenroll;
     if (ref($domconfig{'autoenroll'}) eq 'HASH') {
@@ -6236,9 +6226,6 @@ sub modify_autoenroll {
             if ($changes{'coowners'}) {
                 $resulttext .= '<li>'.&mt("$title{'coowners'} set to $offon[$env{'form.autoassign_coowners'}]").'</li>';
                 &Apache::loncommon::devalidate_domconfig_cache($dom);
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'domainconfig'} = 1;
-                }
             }
             $resulttext .= '</ul>';
         } else {
@@ -6644,7 +6631,7 @@ sub modify_directorysrch {
                         } else {
                             $chgtext =~ s/\; $//;
                         }
-                        $resulttext .=
+                        $resulttext .= 
                             '<li>'.
                             &mt("Users from domain '[_1]' permitted to search the institutional directory set to: [_2]",
                                 '<span class="LC_cusr_emph">'.$dom.'</span>',$chgtext).
@@ -6690,7 +6677,7 @@ sub modify_directorysrch {
 }
 
 sub modify_contacts {
-    my ($dom,$lastactref,%domconfig) = @_;
+    my ($dom,%domconfig) = @_;
     my ($resulttext,%currsetting,%newsetting,%changes,%contacts_hash);
     if (ref($domconfig{'contacts'}) eq 'HASH') {
         foreach my $key (keys(%{$domconfig{'contacts'}})) {
@@ -6795,10 +6782,6 @@ sub modify_contacts {
                                              $dom);
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
-            &Apache::loncommon::devalidate_domconfig_cache($dom);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'domainconfig'} = 1;
-            }
             my ($titles,$short_titles)  = &contact_titles();
             $resulttext = &mt('Changes made:').'<ul>';
             foreach my $item (@contacts) {
@@ -6873,7 +6856,7 @@ sub modify_usercreation {
     foreach my $item(@contexts) {
         if ($item eq 'selfcreate') {
             @{$cancreate{$item}} = &Apache::loncommon::get_env_multiple('form.can_createuser_'.$item);
-            my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+            my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
             if (!((($domdefaults{'auth_def'} =~/^krb/) && ($domdefaults{'auth_arg_def'} ne '')) || ($domdefaults{'auth_def'} eq 'localauth'))) {
                 if (ref($cancreate{$item}) eq 'ARRAY') { 
                     if (grep(/^login$/,@{$cancreate{$item}})) {
@@ -7146,7 +7129,7 @@ sub modify_usercreation {
                             if ($captchas{$cancreate{$type}}) {
                                 $chgtext .= &mt("Validation for self-creation screen set to $captchas{$cancreate{$type}}.");
                             } else {
-                                $chgtext .= &mt('Validation for self-creation screen set to unknown type.');
+                                $chgtext .= &mt('Validation for self-creation screen set to unknown type.'); 
                             }
                         }
                     } elsif ($type eq 'recaptchakeys') {
@@ -7274,7 +7257,7 @@ sub process_captcha {
         $newsettings->{'captcha'} = 'original';
     }
     if ($current->{'captcha'} ne $newsettings->{'captcha'}) {
-        if ($container eq 'cancreate') {
+        if ($container eq 'cancreate') { 
             if (ref($changes->{'cancreate'}) eq 'ARRAY') {
                 push(@{$changes->{'cancreate'}},'captcha');
             } elsif (!defined($changes->{'cancreate'})) {
@@ -7313,7 +7296,7 @@ sub process_captcha {
                 $changes->{'cancreate'} = ['recaptchakeys'];
             }
         } else {
-            $changes->{'recaptchakeys'} = 1;
+            $changes->{'recaptchakeys'} = 1; 
         }
     }
     return;
@@ -7440,9 +7423,9 @@ sub modify_usermodification {
 }
 
 sub modify_defaults {
-    my ($dom,$lastactref,%domconfig) = @_;
+    my ($dom,$r,%domconfig) = @_;
     my ($resulttext,$mailmsgtxt,%newvalues,%changes,@errors);
-    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
     my @items = ('auth_def','auth_arg_def','lang_def','timezone_def','datelocale_def','portal_def');
     my @authtypes = ('internal','krb4','krb5','localauth');
     foreach my $item (@items) {
@@ -7502,7 +7485,7 @@ sub modify_defaults {
     if ($putresult eq 'ok') {
         if (keys(%changes) > 0) {
             $resulttext = &mt('Changes made:').'<ul>';
-            my $version = &Apache::lonnet::get_server_loncaparev($dom);
+            my $version = $r->dir_config('lonVersion');
             my $mailmsgtext = "Changes made to domain settings in a LON-CAPA installation - domain: $dom (running version: $version) - dns_domain.tab needs to be updated with the following changes, to support legacy 2.4, 2.5 and 2.6 versions of LON-CAPA.\n\n";
             foreach my $item (sort(keys(%changes))) {
                 my $value = $env{'form.'.$item};
@@ -7525,9 +7508,6 @@ sub modify_defaults {
             $mailmsgtext .= "\n";
             my $cachetime = 24*60*60;
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
-            if (ref($lastactref) eq 'HASH') {
-                $lastactref->{'domdefaults'} = 1;
-            }
             if ($changes{'auth_def'} || $changes{'auth_arg_def'} || $changes{'lang_def'} || $changes{'datelocale_def'}) {
                 my $notify = 1;
                 if (ref($domconfig{'contacts'}) eq 'HASH') {
@@ -7559,7 +7539,7 @@ sub modify_defaults {
 }
 
 sub modify_scantron {
-    my ($r,$dom,$confname,$lastactref,%domconfig) = @_;
+    my ($r,$dom,$confname,%domconfig) = @_;
     my ($resulttext,%confhash,%changes,$errors);
     my $custom = 'custom.tab';
     my $default = 'default.tab';
@@ -7620,9 +7600,6 @@ sub modify_scantron {
                 }
                 $resulttext .= '</ul>';
                 &Apache::loncommon::devalidate_domconfig_cache($dom);
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'domainconfig'} = 1;
-                }
             } else {
                 $resulttext = &mt('No changes made to bubblesheet format file');
             }
@@ -8013,7 +7990,7 @@ sub modify_helpsettings {
                     $changes{$item} = 1;
                 }
             }
-            if (($env{'form.'.$item} eq '0') || ($env{'form.'.$item} eq '1')) {
+            if (($env{'form.'.$item} eq '0') || ($env{'form.'.$item} eq '1')) { 
                 $helphash{'helpsettings'}{$item} = $env{'form.'.$item};
             }
         }
@@ -8046,7 +8023,7 @@ sub modify_helpsettings {
 }
 
 sub modify_coursedefaults {
-    my ($dom,$lastactref,%domconfig) = @_;
+    my ($dom,%domconfig) = @_;
     my ($resulttext,$errors,%changes,%defaultshash);
     my %defaultchecked = ('canuse_pdfforms' => 'off');
     my @toggles = ('canuse_pdfforms');
@@ -8087,7 +8064,7 @@ sub modify_coursedefaults {
         }
         foreach my $item (@numbers) {
             my ($currdef,$newdef);
-            $newdef = $env{'form.'.$item};
+            my $newdef = $env{'form.'.$item};
             if ($item eq 'anonsurvey_threshold') {
                 $currdef = $domconfig{'coursedefaults'}{$item};
                 $newdef =~ s/\D//g;
@@ -8137,9 +8114,10 @@ sub modify_coursedefaults {
     my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
                                              $dom);
     if ($putresult eq 'ok') {
+        my %domdefaults;
         if (keys(%changes) > 0) {
-            my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
             if (($changes{'canuse_pdfforms'}) || ($changes{'coursecredits'}) || ($changes{'uploadquota'})) {
+                %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
                 if ($changes{'canuse_pdfforms'}) {
                     $domdefaults{'canuse_pdfforms'}=$defaultshash{'coursedefaults'}{'canuse_pdfforms'};
                 }
@@ -8160,9 +8138,6 @@ sub modify_coursedefaults {
                 }
                 my $cachetime = 24*60*60;
                 &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
-                if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'domdefaults'} = 1;
-                }
             }
             $resulttext = &mt('Changes made:').'<ul>';
             foreach my $item (sort(keys(%changes))) {
@@ -8214,7 +8189,7 @@ sub modify_coursedefaults {
 }
 
 sub modify_usersessions {
-    my ($dom,$lastactref,%domconfig) = @_;
+    my ($dom,%domconfig) = @_;
     my @hostingtypes = ('version','excludedomain','includedomain');
     my @offloadtypes = ('primary','default');
     my %types = (
@@ -8231,7 +8206,7 @@ sub modify_usersessions {
     foreach my $prefix (@prefixes) {
         $defaultshash{'usersessions'}{$prefix} = {};
     }
-    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom,1);
+    my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
     my $resulttext;
     my %iphost = &Apache::lonnet::get_iphost();
     foreach my $prefix (@prefixes) {
@@ -8407,9 +8382,6 @@ sub modify_usersessions {
             }
             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 = &usersession_titles();
                 $resulttext = &mt('Changes made:').'<ul>';
@@ -8421,8 +8393,7 @@ sub modify_usersessions {
                                 foreach my $lonhost (sort(keys(%{$changes{$prefix}}))) {
                                     $resulttext .= '<li><b>'.$lonhost.'</b> ';
                                     my $lonhostdom = &Apache::lonnet::host_domain($lonhost);
-                                    my $cachekey = &escape('spares').':'.&escape($lonhostdom);
-                                    &Apache::lonnet::remote_devalidate_cache($lonhost,[$cachekey]);
+                                    &Apache::lonnet::remote_devalidate_cache($lonhost,'spares',$lonhostdom);
                                     if (ref($changes{$prefix}{$lonhost}) eq 'HASH') {
                                         foreach my $type (@{$types{$prefix}}) {
                                             if ($changes{$prefix}{$lonhost}{$type}) {
@@ -8512,7 +8483,7 @@ sub modify_loadbalancing {
         if ($balancer eq '') {
             next;
         }
-        if (!exists($servers{$balancer})) {
+        if (!exists($servers{$balancer})) { 
             if (exists($currbalancer{$balancer})) {
                 push(@{$changes{'delete'}},$balancer);
             }
@@ -8563,14 +8534,14 @@ sub modify_loadbalancing {
             }
         } else {
             if (ref($defaultshash{'loadbalancing'}{$balancer}) eq 'HASH') {
-                foreach my $sparetype (@sparestypes) {
+                foreach my $sparetype (@sparestypes) { 
                     if (ref($defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}) eq 'ARRAY') {
                         if (@{$defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}} > 0) {
                             $changes{'curr'}{$balancer}{'targets'} = 1;
                         }
                     }
                 }
-            }
+            }  
         }
         my $ishomedom;
         if (&Apache::lonnet::host_domain($balancer) eq $dom) {
@@ -8579,7 +8550,7 @@ sub modify_loadbalancing {
         if (ref($alltypes) eq 'ARRAY') {
             foreach my $type (@{$alltypes}) {
                 my $rule;
-                unless ((($type eq '_LC_external') || ($type eq '_LC_internetdom')) &&
+                unless ((($type eq '_LC_external') || ($type eq '_LC_internetdom')) && 
                          (!$ishomedom)) {
                     $rule = $env{'form.loadbalancing_rules_'.$i.'_'.$type};
                 }
@@ -8604,17 +8575,17 @@ sub modify_loadbalancing {
         }
         my $putresult = &Apache::lonnet::put_dom('configuration',
                                                  \%defaultshash,$dom);
+ 
         if ($putresult eq 'ok') {
             if (keys(%changes) > 0) {
                 if (ref($changes{'delete'}) eq 'ARRAY') {
                     foreach my $balancer (sort(@{$changes{'delete'}})) {
                         $resulttext .= '<li>'.&mt('Load Balancing discontinued for: [_1]',$balancer).'</li>';
-                        my $cachekey = &escape('loadbalancing').':'.&escape($dom);
-                        &Apache::lonnet::remote_devalidate_cache($balancer,[$cachekey]);
+                        &Apache::lonnet::remote_devalidate_cache($balancer,'loadbalancing',$dom);
                     }
                 }
                 if (ref($changes{'add'}) eq 'ARRAY') {
-                    foreach my $balancer (sort(@{$changes{'add'}})) {
+                    foreach my $balancer (sort(@{$changes{'add'}})) {   
                         $resulttext .= '<li>'.&mt('Load Balancing enabled for: [_1]',$balancer);
                     }
                 }
@@ -8655,19 +8626,17 @@ sub modify_loadbalancing {
                                         my $balancetext;
                                         if ($rule eq '') {
                                             $balancetext =  $ruletitles{'default'};
-                                        } elsif (($rule eq 'homeserver') || ($rule eq 'externalbalancer') ||
-                                                 ($rule eq 'balancer') || ($rule eq 'offloadedto')) {
+                                        } elsif (($rule eq 'homeserver') || ($rule eq 'externalbalancer')) {
                                             $balancetext =  $ruletitles{$rule};
                                         } else {
                                             $balancetext = &mt('offload to [_1]',$defaultshash{'loadbalancing'}{$balancer}{'rules'}{$type});
                                         }
-                                        $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- balancing for [_2] set to - "[_3]"',$balancer,$titles->{$type},$balancetext).'</li>';
+                                        $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- balancing for [_2] set to - "[_3]"',$balancer,$titles->{$type},$balancetext).'</li>';     
                                     }
                                 }
                             }
                         }
-                        my $cachekey = &scape('loadbalancing').':'.&escape($dom);
-                        &Apache::lonnet::remote_devalidate_cache($balancer,[$cachekey]);
+                        &Apache::lonnet::remote_devalidate_cache($balancer,'loadbalancing',$dom);
                     }
                 }
                 if ($resulttext ne '') {
@@ -8755,7 +8724,7 @@ sub active_dc_picker {
         }
     }
     @domcoord = sort(@domcoord);
-    my $numdcs = scalar(@domcoord);
+    my $numdcs = scalar(@domcoord); 
     my $rows = 0;
     my $table;
     if ($numdcs > 1) {
@@ -8889,7 +8858,7 @@ sub lonbalance_targets_js {
     }
     &get_loadbalancers_config($servers,\%existing,\%currbalancer,
                               \%currtargets,\%currrules);
-    my $balancers = join("','",sort(keys(%currbalancer)));
+    my $balancers = join("','",sort(keys(%currbalancer))); 
     return <<"END";
 
 <script type="text/javascript">
@@ -8960,6 +8929,7 @@ function showSpares(balancer,ishomedom,b
             } else {
                 document.getElementById('balanceruletitle_'+balnum+'_'+insttypes[k]).style.display='none';
                 document.getElementById('balancerule_'+balnum+'_'+insttypes[k]).style.display='none';
+
             }
         } else {
             document.getElementById('balanceruletitle_'+balnum+'_'+insttypes[k]).style.display='block';
@@ -8971,11 +8941,12 @@ function showSpares(balancer,ishomedom,b
             var item = document.getElementById('loadbalancing_singleserver_'+balnum+'_'+insttypes[k]);
             item.options.length = 0;
             item.options[0] = new Option("","",true,true);
-            var idx = 0;
+            var idx = 0;  
             for (var m=0; m<alltargets.length; m++) {
                 if ((currBalancers.indexOf(alltargets[m]) == -1) && (alltargets[m] != balancer)) {
                     idx ++;
                     item.options[idx] = new Option(alltargets[m],alltargets[m],false,false);
+                    
                 }
             }
         }
@@ -9388,28 +9359,4 @@ sub captcha_phrases {
     );
 }
 
-sub devalidate_remote_domconfs {
-    my ($dom,$cachekeys) = @_;
-    return unless (ref($cachekeys) eq 'HASH');
-    my %servers = &Apache::lonnet::internet_dom_servers($dom);
-    my %thismachine;
-    map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
-    my @posscached = ('domainconfig','domdefaults');
-    if (keys(%servers) > 1) {
-        foreach my $server (keys(%servers)) {
-            next if ($thismachine{$server});
-            my @cached;
-            foreach my $name (@posscached) {
-                if ($cachekeys->{$name}) {
-                    push(@cached,&escape($name).':'.&escape($dom));
-                }
-            }
-            if (@cached) {
-                &Apache::lonnet::remote_devalidate_cache($server,\@cached);
-            }
-        }
-    }
-    return;
-}
-
 1;