--- loncom/interface/domainprefs.pm	2018/07/06 13:32:56	1.332
+++ loncom/interface/domainprefs.pm	2018/12/05 21:13:23	1.343
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.332 2018/07/06 13:32:56 raeburn Exp $
+# $Id: domainprefs.pm,v 1.343 2018/12/05 21:13:23 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -352,6 +352,8 @@ sub handler {
                                 col2 => 'Value',},
                                {col1 => 'Recipient(s) for notifications',
                                 col2 => 'Value',},
+                               {col1 => 'Nightly status check e-mail',
+                                col2 => 'Settings',},
                                {col1 => 'Ask helpdesk form settings',
                                 col2 => 'Value',},],
                     print => \&print_contacts,
@@ -781,6 +783,10 @@ sub print_config_box {
         $output =
             &Apache::lonuserutils::custom_roledefs_js($context,$crstype,$formname,\%full, 
                                                       \@templateroles);
+    } elsif ($action eq 'ltitools') {
+        $output .= &ltitools_javascript($settings);
+    } elsif ($action eq 'lti') {
+        $output .= &lti_javascript($settings);
     }
     $output .=
          '<table class="LC_nested_outer">
@@ -900,6 +906,23 @@ sub print_config_box {
              </tr>'."\n";
                 if ($action eq 'coursecategories') {
                     $output .= &print_coursecategories('bottom',$dom,$item,$settings,\$rowtotal);
+                } elsif ($action eq 'contacts') {
+                    $output .= $item->{'print'}->('lower',$dom,$settings,\$rowtotal).'
+             </tr>
+            </table>
+           </td>
+          </tr>
+          <tr>
+           <td>
+            <table class="LC_nested">
+             <tr class="LC_info_row">
+              <td class="LC_left_item"'.$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).'
+            </table>
+          </td>
+         </tr>
+         <tr>';
                 } else {
                     $output .= $item->{'print'}->('bottom',$dom,$settings,\$rowtotal);
                 }
@@ -2482,7 +2505,7 @@ sub print_textbookcourses {
         $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
     }
     $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="'.$type.'_addbook" value="1" />'.&mt('Add').'</td>'."\n".
+                  '<input type="checkbox" name="'.$type.'_addbook" value="1" />'.&mt('Add').'</span></td>'."\n".
                   '<td colspan="2">'.
                   '<span class="LC_nobreak">'.&mt('Subject:').'<input type="text" size="15" name="'.$type.'_addbook_subject" value="" /></span> '."\n".
                   ('&nbsp;'x2).
@@ -2499,13 +2522,13 @@ sub print_textbookcourses {
         } else {
             $datatable .= '<input type="file" name="'.$type.'_addbook_image" value="" />';
         }
+        $datatable .= '</span>'."\n";
     }
-    $datatable .= '</span>'."\n".
-                  '<span class="LC_nobreak">'.&mt('LON-CAPA course:').'&nbsp;'.
+    $datatable .= '<span class="LC_nobreak">'.&mt('LON-CAPA course:').'&nbsp;'.
                   &Apache::loncommon::select_dom_form($env{'request.role.domain'},$type.'_addbook_cdom').
                   '<input type="text" size="25" name="'.$type.'_addbook_cnum" value="" />'.
                   &Apache::loncommon::selectcourse_link
-                      ('display',$type.'_addbook_cnum',$type.'_addbook_cdom',undef,undef,undef,'Course');
+                      ('display',$type.'_addbook_cnum',$type.'_addbook_cdom',undef,undef,undef,'Course').
                   '</span></td>'."\n".
                   '</tr>'."\n";
     $itemcount ++;
@@ -2813,27 +2836,40 @@ sub lti_toggle_js {
 // <![CDATA[
 
 function toggleLTI(form,setting,item) {
-    if ((setting == 'user') || (setting == 'crs')) {
+    if ((setting == 'user') || (setting == 'crs') || (setting == 'passback')) {
         var radioname = '';
         var divid = '';
         if (setting == 'user') {
             radioname = 'lti_mapuser_'+item;
             divid = 'lti_userfield_'+item;
-        } else {
+        } 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 (form.elements[radioname][i].value == 'other') {
-                       if (document.getElementById(divid)) {
-                           document.getElementById(divid).style.display = 'inline-block';
+                   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;
                        }
-                       setvis = 1;
-                       break;
                    }
                } 
             }
@@ -3024,7 +3060,7 @@ sub print_autoenroll {
                   '<td>'.&mt('Failsafe for no drops when institutional data missing').'</td>'.
                   '<td class="LC_right_item"><span class="LC_nobreak">'.
                   '<input type="text" name="autoenroll_failsafe"'.
-                  ' value="'.$failsafe.'" size="4" /></td></tr>';
+                  ' value="'.$failsafe.'" size="4" /></span></td></tr>';
     $$rowtotal += 4;
     return $datatable;
 }
@@ -3306,7 +3342,7 @@ sub print_contacts {
     my $datatable;
     my @contacts = ('adminemail','supportemail');
     my (%checked,%to,%otheremails,%bccemails,%includestr,%includeloc,%currfield,
-        $maxsize,$fields,$fieldtitles,$fieldoptions,$possoptions,@mailings);
+        $maxsize,$fields,$fieldtitles,$fieldoptions,$possoptions,@mailings,%lonstatus);
     if ($position eq 'top') {
         if (ref($settings) eq 'HASH') {
             foreach my $item (@contacts) {
@@ -3321,6 +3357,12 @@ sub print_contacts {
         foreach my $type (@mailings) {
             $otheremails{$type} = '';
         }
+    } elsif ($position eq 'lower') {
+        if (ref($settings) eq 'HASH') {
+            if (ref($settings->{'lonstatus'}) eq 'HASH') {
+                %lonstatus = %{$settings->{'lonstatus'}};
+            }
+        }
     } else {
         @mailings = ('helpdeskmail','otherdomsmail');
         foreach my $type (@mailings) {
@@ -3333,7 +3375,7 @@ sub print_contacts {
         ($fields,$fieldtitles,$fieldoptions,$possoptions) = &helpform_fields();
     }
     if (ref($settings) eq 'HASH') {
-        unless ($position eq 'top') {
+        unless (($position eq 'top') || ($position eq 'lower')) {
             foreach my $type (@mailings) {
                 if (exists($settings->{$type})) {
                     if (ref($settings->{$type}) eq 'HASH') {
@@ -3454,7 +3496,7 @@ sub print_contacts {
                     if ($currfield{$field} eq 'no') {
                         $display = ' style="display:none"';
                     }
-                    $datatable .= '</td></tr><tr id="help_screenshotsize"'.$display.' />'.
+                    $datatable .= '</td></tr><tr id="help_screenshotsize"'.$display.'>'.
                                   '<td>'.&mt('Maximum size for upload (MB)').'</td><td>'.
                                   '<input type="text" size="5" name="helpform_maxsize" value="'.$maxsize.'" />';
                 }
@@ -3465,7 +3507,7 @@ sub print_contacts {
         $datatable .= '</td></tr>'."\n";
         $rownum ++;
     }
-    unless ($position eq 'top') {
+    unless (($position eq 'top') || ($position eq 'lower')) {
         foreach my $type (@mailings) {
             $css_class = $rownum%2?' class="LC_odd_row"':'';
             $datatable .= '<tr'.$css_class.'>'.
@@ -3499,7 +3541,7 @@ sub print_contacts {
                               'value="'.$bccemails{$type}.'"  /></fieldset>'.
                               '<fieldset><legend>'.&mt('Optional added text').'</legend>'.
                               &mt('Text automatically added to e-mail:').' '.
-                              '<input type="text" name="'.$type.'_includestr" value="'.$includestr{$type}.'" /><br >'.
+                              '<input type="text" name="'.$type.'_includestr" value="'.$includestr{$type}.'" /><br />'.
                               '<span class="LC_nobreak">'.&mt('Location:').'&nbsp;'.
                               '<label><input type="radio" name="'.$type.'_includeloc" value="s"'.$locchecked{'s'}.' />'.&mt('in subject').'</label>'.
                               ('&nbsp;'x2).
@@ -3512,18 +3554,110 @@ sub print_contacts {
     }
     if ($position eq 'middle') {
         my %choices;
-        $choices{'reporterrors'} = &mt('E-mail error reports to [_1]',
-                                       &Apache::loncommon::modal_link('http://loncapa.org/core.html',
-                                       &mt('LON-CAPA core group - MSU'),600,500));
+        my $corelink = &core_link_msu();
+        $choices{'reporterrors'} = &mt('E-mail error reports to [_1]',$corelink);
         $choices{'reportupdates'} = &mt('E-mail record of completed LON-CAPA updates to [_1]',
-                                        &Apache::loncommon::modal_link('http://loncapa.org/core.html',
-                                        &mt('LON-CAPA core group - MSU'),600,500));
-        my @toggles = ('reporterrors','reportupdates');
+                                        $corelink);
+        $choices{'reportstatus'} = &mt('E-mail status if errors above threshold to [_1]',$corelink);
+        my @toggles = ('reporterrors','reportupdates','reportstatus');
         my %defaultchecked = ('reporterrors'  => 'on',
-                              'reportupdates' => 'on');
+                              'reportupdates' => 'on',
+                              'reportstatus'  => 'on');
         (my $reports,$rownum) = &radiobutton_prefs($settings,\@toggles,\%defaultchecked,
                                                    \%choices,$rownum);
         $datatable .= $reports;
+    } elsif ($position eq 'lower') {
+        $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+$/) {
+            $threshold = $lonstatus{'threshold'};
+        } else {
+            $threshold = $defaults->{'threshold'};
+        }
+        if ($lonstatus{'sysmail'} =~ /^\d+$/) {
+            $sysmail = $lonstatus{'sysmail'};
+        } else {
+            $sysmail = $defaults->{'sysmail'};
+        }
+        if (ref($lonstatus{'weights'}) eq 'HASH') {
+            foreach my $type ('E','W','N','U') {
+                if ($lonstatus{'weights'}{$type} =~ /^\d+$/) {
+                    $weights{$type} = $lonstatus{'weights'}{$type};
+                } else {
+                    $weights{$type} = $defaults->{$type};
+                }
+            }
+        } else {
+            foreach my $type ('E','W','N','U') {
+                $weights{$type} = $defaults->{$type};
+            }
+        }
+        if (ref($lonstatus{'excluded'}) eq 'ARRAY') {
+            if (@{$lonstatus{'excluded'}} > 0) {
+                map {$excluded{$_} = 1; } @{$lonstatus{'excluded'}};
+            }
+        }
+        $datatable .= '<tr'.$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">'.
+                      '<span class="LC_nobreak">'.$titles->{'errorweights'}.
+                      '</span></td><td class="LC_left_item"><table><tr>';
+        foreach my $type ('E','W','N','U') {
+            $datatable .= '<td>'.$names->{$type}.'<br />'.
+                          '<input type="text" name="errorweights_'.$type.'" value="'.
+                          $weights{$type}.'" size="5" /></td>';
+        }
+        $datatable .= '</tr></table></tr>';
+        $rownum ++;
+        $css_class = $rownum%2?' class="LC_odd_row"':'';
+        $datatable .= '<tr'.$css_class.'><td class="LC_left_item">'.
+                      $titles->{'errorexcluded'}.'</td>'.
+                      '<td class="LC_left_item"><table>';
+        my $numinrow = 4;
+        my @ids = sort(values(%Apache::lonnet::serverhomeIDs));
+        for (my $i=0; $i<@ids; $i++) {
+            my $rem = $i%($numinrow);
+            if ($rem == 0) {
+                if ($i > 0) {
+                    $datatable .= '</tr>';
+                }
+                $datatable .= '<tr>';
+            }
+            my $check;
+            if ($excluded{$ids[$i]}) {
+                $check = ' checked="checked" ';
+            }
+            $datatable .= '<td class="LC_left_item">'.
+                          '<span class="LC_nobreak"><label>'.
+                          '<input type="checkbox" name="errorexcluded" '.
+                          'value="'.$ids[$i].'"'.$check.' />'.
+                          $ids[$i].'</label></span></td>';
+        }
+        my $colsleft = $numinrow - @ids%($numinrow);
+        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></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);
@@ -3597,6 +3731,11 @@ sub print_contacts {
     return $datatable;
 }
 
+sub core_link_msu {
+    return &Apache::loncommon::modal_link('http://loncapa.org/core.html',
+                                          &mt('LON-CAPA core group - MSU'),600,500);
+}
+
 sub overridden_helpdesk {
     my ($checked,$otheremails,$bccemails,$includeloc,$includestr,$type,$rowid,
         $typetitle,$css_class,$rowstyle,$contacts,$short_titles) = @_;
@@ -3647,7 +3786,7 @@ sub overridden_helpdesk {
                'value="'.$bccemails.'"  /></fieldset>'.
                '<fieldset><legend>'.&mt('Optional added text').'</legend>'.
                &mt('Text automatically added to e-mail:').' '.
-               '<input type="text" name="override_'.$type.'_includestr" value="'.$includestr.'" /><br >'.
+               '<input type="text" name="override_'.$type.'_includestr" value="'.$includestr.'" /><br />'.
                '<span class="LC_nobreak">'.&mt('Location:').'&nbsp;'.
                '<label><input type="radio" name="override_'.$type.'_includeloc" value="s"'.$locchecked{'s'}.' />'.&mt('in subject').'</label>'.
                ('&nbsp;'x2).
@@ -3776,7 +3915,6 @@ 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 $prefix = 'helproles_';
@@ -3879,7 +4017,9 @@ sub print_helpsettings {
                                                                 \@templateroles,$newcust).
                       &Apache::lonuserutils::custom_role_table('Course',\%full,\%levels,
                                                                \%levelscurrent,$newcust).
-                      '</fieldset></td></tr>';
+                      '</fieldset>'.
+                      &helpsettings_javascript(\@roles_by_num,$maxnum,$hiddenstr,$formname).
+                      '</td></tr>';
         $count ++;
         $$rowtotal += $count;
     }
@@ -4168,7 +4308,7 @@ sub print_ltitools {
     my $confname = $dom.'-domainconfig';
     my $switchserver = &check_switchserver($dom,$confname);
     my $maxnum = scalar(keys(%ordered));
-    my $datatable = &ltitools_javascript($settings);
+    my $datatable;
     my %lt = &ltitools_names();
     my @courseroles = ('cc','in','ta','ep','st');
     my @ltiroles = qw(Instructor ContentDeveloper TeachingAssistant Learner);
@@ -4269,9 +4409,9 @@ sub print_ltitools {
                               '<input type="text" name="ltitools_'.$dimen.'_'.$i.'" size="5" value="'.$currdisp{$dimen}.'" /></label>'.
                               ('&nbsp;'x2);
             }
-            $datatable .= '<br />'.
+            $datatable .= '</span><br />'.
                           '<div class="LC_left_float">'.$lt{'linktext'}.'<br />'.
-                          '<input type="text" name="ltitools_linktext_'.$i.'" size="25" value="'.$currdisp{'linktext'}.'" /></label></div>'.
+                          '<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 />';
@@ -4442,7 +4582,7 @@ sub print_ltitools {
         $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
     }
     $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="ltitools_add" value="1" />'.&mt('Add').'</td>'."\n".
+                  '<input type="checkbox" name="ltitools_add" value="1" />'.&mt('Add').'</span></td>'."\n".
                   '<td colspan="2">'.
                   '<fieldset><legend>'.&mt('Required settings').'</legend>'.
                   '<span class="LC_nobreak">'.$lt{'title'}.':<input type="text" size="20" name="ltitools_add_title" value="" /></span> '."\n".
@@ -4479,11 +4619,11 @@ sub print_ltitools {
                       '<input type="text" name="ltitools_add_'.$dimen.'" size="5" /></label>'.
                       ('&nbsp;'x2);
     }
-    $datatable .= '<br />'.
+    $datatable .= '</span><br />'.
                   '<div class="LC_left_float">'.$lt{'linktext'}.'<br />'.
-                  '<input type="text" name="ltitools_add_linktext" size="5" /></label></div>'.
+                  '<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>'.
+                  '<textarea name="ltitools_add_explanation" rows="5" cols="40"></textarea>'.
                   '</div><div style=""></div><br />';
     my %units = (
                   'passback' => 'days',
@@ -4562,7 +4702,7 @@ sub print_ltitools {
                   '<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></td></tr>'."\n".
+                  '</table></fieldset>'."\n".
                   '</td>'."\n".
                   '</tr>'."\n";
     $itemcount ++;
@@ -4620,7 +4760,7 @@ sub print_lti {
         }
     }
     my $maxnum = scalar(keys(%ordered));
-    my $datatable = &lti_javascript($settings);
+    my $datatable;
     my %lt = &lti_names();
     if (keys(%ordered)) {
         my @items = sort { $a <=> $b } keys(%ordered);
@@ -4685,7 +4825,7 @@ sub print_lti {
         $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
     }
     $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="lti_add" value="1" />'.&mt('Add').'</td>'."\n".
+                  '<input type="checkbox" name="lti_add" value="1" />'.&mt('Add').'</span></td>'."\n".
                   '<td colspan="2">'.
                   '<fieldset><legend>'.&mt('Required settings').'</legend>'.
                   '<span class="LC_nobreak">'.$lt{'consumer'}.
@@ -4746,6 +4886,7 @@ sub lti_options {
     my $crsfieldsty = 'none';
     my $crssecfieldsty = 'none';
     my $secsrcfieldsty = 'none';
+    my $passbacksty = 'none';
     my $lcauthparm;
     my $lcauthparmstyle = 'display:none';
     my $lcauthparmtext;
@@ -4948,7 +5089,7 @@ sub lti_options {
                    $checked{'mapcrs'}{$option}.$onclickcrs.' />'.$option.'</label>'.
                    ($option eq 'other' ? '' : ('&nbsp;'x2) );
     }
-    $output .= '</div><div class="LC_floatleft" style="display:'.$crsfieldsty.';" id="lti_crsfield_'.$num.'".>'.
+    $output .= '</span></div><div class="LC_floatleft" style="display:'.$crsfieldsty.';" id="lti_crsfield_'.$num.'">'.
                '<input type="text" name="lti_mapcrsfield_'.$num.'" value="'.$cidfield.'" />'.
                '</div><div style="padding:0;clear:both;margin:0;border:0"></div>'.
                '<span class="LC_nobreak">'.&mt('LON-CAPA course type(s)').':&nbsp;';
@@ -4976,7 +5117,7 @@ sub lti_options {
                '<label><input type="radio" name="lti_crssec_'.$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>'.
+               $checked{'crssec'}{'Y'}.$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_'.$num.'" value="course_section_sourcedid"'.
@@ -4984,37 +5125,57 @@ sub lti_options {
                &mt('Standard field').'</label>'.('&nbsp;'x2).
                '<label><input type="radio" name="lti_crssecsrc_'.$num.'" value="other"'.
                $checked{'crssecsrc'}{'other'}.$onclicksecsrc.' />'.&mt('Other').
-               '</label></div><div class="LC_floatleft" style="display:'.$secsrcfieldsty.';" id="lti_secsrcfield_'.$num.'">'.
+               '</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>'; 
-    foreach my $extra ('passback','roster') {
+               '</div><div style="padding:0;clear:both;margin:0;border:0"></div>';
+    my ($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"'.$checkedoff.' />'.
+                   '<label><input type="radio" name="lti_'.$extra.'_'.$num.'" value="0"'.$checkedoff.$onclickpb.' />'.
                    &mt('No').'</label>'.('&nbsp;'x2).
-                   '<label><input type="radio" name="lti_'.$extra.'_'.$num.'" value="1"'.$checkedon.' />'.
+                   '<label><input type="radio" name="lti_'.$extra.'_'.$num.'" value="1"'.$checkedon.$onclickpb.' />'.
                    &mt('Yes').'</label><br />';
     }
-    $output .= '</span></fieldset>'.
+    $output .= '<div class="LC_floatleft" style="display:'.$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"'.$pb1p0chk.'/>'.
+               &mt('Outcomes Extension (1.0)').'</label></span></div></fieldset>'.
                '<fieldset><legend>'.&mt('Course defaults (Course Coordinator can override)').'</legend>'.
                '<div class="LC_floatleft"><span class="LC_nobreak">'.$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>'.
+               $checked{'topmenu'}{'Y'}.$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>';
+               $checked{'inlinemenu'}{'Y'}.$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;';
@@ -5023,7 +5184,7 @@ sub lti_options {
                    $checked{'menuitem'}{$type}.' />'.$menutitles{$type}.'</label>'.
                    ('&nbsp;'x2);
     }
-    $output .= '</span></fieldset>';
+    $output .= '</span></div></fieldset>';
 #        '<fieldset><legend>'.&mt('Assigning author roles').'</legend>';
 #
 #    $output .= '</fieldset>'.
@@ -5519,7 +5680,7 @@ sub print_validation_rows {
                               '</label></span> ';
             }
         } elsif ($item eq 'markup') {
-            $datatable .= '<textarea name="'.$caller.'_validation_markup" cols="50" rows="5" wrap="soft">'.
+            $datatable .= '<textarea name="'.$caller.'_validation_markup" cols="50" rows="5">'.
                            $currvalidation{$item}.
                               '</textarea>';
         }
@@ -5541,7 +5702,7 @@ sub print_validation_rows {
         my ($numdc,$dctable,$rows) = &active_dc_picker($dom,$numinrow,'radio',
                                                        'validationdc',%currhash);
         my $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-        $datatable .= '</td></tr><tr'.$css_class.'><td>';
+        $datatable .= '<tr'.$css_class.'><td>';
         if ($numdc > 1) {
             $datatable .= &mt('Course creation processed as: (choose Dom. Coord.)');
         } else {
@@ -6178,13 +6339,13 @@ sub print_loadbalancing {
     my $numinrow = 1;
     my $datatable;
     my %servers = &Apache::lonnet::internet_dom_servers($dom);
-    my (%currbalancer,%currtargets,%currrules,%existing);
+    my (%currbalancer,%currtargets,%currrules,%existing,%currcookies);
     if (ref($settings) eq 'HASH') {
         %existing = %{$settings};
     }
     if ((keys(%servers) > 1) || (keys(%existing) > 0)) {
         &get_loadbalancers_config(\%servers,\%existing,\%currbalancer,
-                                  \%currtargets,\%currrules);
+                                  \%currtargets,\%currrules,\%currcookies);
     } else {
         return;
     }
@@ -6261,6 +6422,9 @@ sub print_loadbalancing {
         my %hostherechecked = (
                                   no => ' checked="checked"',
                               );
+        my %balcookiechecked = (
+                                  no => ' checked="checked"', 
+                               );
         foreach my $sparetype (@sparestypes) {
             my $targettable;
             for (my $i=0; $i<$numspares; $i++) {
@@ -6316,6 +6480,11 @@ sub print_loadbalancing {
                 }
             }
         }
+        if ($currcookies{$lonhost}) {
+            %balcookiechecked = (
+                                    yes => ' checked="checked"',
+                                );
+        }
         $datatable .= &mt('Hosting on balancer itself').'<br />'.
                       '<label><input type="radio" name="loadbalancing_target_'.$balnum.'_hosthere" value="no"'.
                       $hostherechecked{'no'}.' />'.&mt('No').'</label><br />';
@@ -6324,7 +6493,12 @@ sub print_loadbalancing {
                           'value="'.$sparetype.'"'.$hostherechecked{$sparetype}.' /><i>'.$typetitles{$sparetype}.
                           '</i></label><br />';
         }
-        $datatable .= '</div></td></tr>'.
+        $datatable .= &mt('Use balancer cookie').'<br />'.
+                      '<label><input type="radio" name="loadbalancing_cookie_'.$balnum.'" value="1"'.
+                      $balcookiechecked{'yes'}.' />'.&mt('Yes').'</label><br />'.
+                      '<label><input type="radio" name="loadbalancing_cookie_'.$balnum.'" value="0"'.
+                      $balcookiechecked{'no'}.' />'.&mt('No').'</label><br />'.
+                      '</div></td></tr>'.
                       &loadbalancing_rules($dom,$intdom,$currrules{$lonhost},
                                            $othertitle,$usertypes,$types,\%servers,
                                            \%currbalancer,$lonhost,
@@ -6338,10 +6512,11 @@ sub print_loadbalancing {
 }
 
 sub get_loadbalancers_config {
-    my ($servers,$existing,$currbalancer,$currtargets,$currrules) = @_;
+    my ($servers,$existing,$currbalancer,$currtargets,$currrules,$currcookies) = @_;
     return unless ((ref($servers) eq 'HASH') &&
                    (ref($existing) eq 'HASH') && (ref($currbalancer) eq 'HASH') &&
-                   (ref($currtargets) eq 'HASH') && (ref($currrules) eq 'HASH'));
+                   (ref($currtargets) eq 'HASH') && (ref($currrules) eq 'HASH') &&
+                   (ref($currcookies) eq 'HASH'));
     if (keys(%{$existing}) > 0) {
         my $oldlonhost;
         foreach my $key (sort(keys(%{$existing}))) {
@@ -6360,6 +6535,9 @@ sub get_loadbalancers_config {
                 $currbalancer->{$key} = 1;
                 $currtargets->{$key} = $existing->{$key}{'targets'};
                 $currrules->{$key} = $existing->{$key}{'rules'};
+                if ($existing->{$key}{'cookie'}) {
+                    $currcookies->{$key} = 1;
+                }
             }
         }
     } else {
@@ -6555,6 +6733,10 @@ 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',
+                   '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',
                  );
     my %short_titles = &Apache::lonlocal::texthash (
                            adminemail   => 'Admin E-mail address',
@@ -6844,7 +7026,7 @@ sub print_selfcreation {
         $datatable .= '<tr'.$css_class.'>'.
                      '<td class="LC_left_item">'.&mt('Mapping of Shibboleth environment variable names to user data fields (SSO auth)').'</td>'.
                      '<td class="LC_left_item">'."\n".
-                     '<table><tr><td>'."\n";
+                     '<table>'."\n";
         for (my $i=0; $i<@fields; $i++) {
             $rem = $i%($numperrow);
             if ($rem == 0) {
@@ -8251,7 +8433,7 @@ sub print_serverstatuses {
                       '<span class="LC_nobreak">'.
                       '<input type="text" name="'.$type.'_machines" '.
                       'value="'.$machineaccess{$type}.'" size="10" />'.
-                      '</td></tr>'."\n";
+                      '</span></td></tr>'."\n";
     }
     $$rowtotal += $rownum;
     return $datatable;
@@ -8844,7 +9026,7 @@ sub insttypes_row {
         }
         $output .= '&nbsp;';  
     } else {
-        if (($rem == 0) && (@{$types} > 0)) {
+        if ($rem == 0) {
             $output .= '<tr>';
         }
         if ($colsleft > 1) {
@@ -11123,7 +11305,7 @@ sub modify_ltitools {
                         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_add'};
+                                my $lifetime = $env{'form.ltitools_'.$extra.'valid_'.$i};
                                 $lifetime =~ s/^\s+|\s+$//g;
                                 if ($lifetime =~ /^\d+\.?\d*$/) {
                                     $confhash{$itemid}{$extra.'valid'} = $lifetime;
@@ -11709,7 +11891,13 @@ sub modify_lti {
                 $confhash{$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);
@@ -11728,6 +11916,13 @@ sub modify_lti {
                     $changes{$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') {
@@ -11944,6 +12139,13 @@ sub modify_lti {
                         $resulttext .= '<li>'.$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 {
                             $resulttext .= &mt('No');
                         }
@@ -12603,7 +12805,8 @@ sub modify_contacts {
     my @contacts = ('supportemail','adminemail');
     my @mailings = ('errormail','packagesmail','helpdeskmail','otherdomsmail',
                     'lonstatusmail','requestsmail','updatesmail','idconflictsmail');
-    my @toggles = ('reporterrors','reportupdates');
+    my @toggles = ('reporterrors','reportupdates','reportstatus');
+    my @lonstatus = ('threshold','sysmail','weights','excluded');
     my ($fields,$fieldtitles,$fieldoptions,$possoptions) = &helpform_fields();
     foreach my $type (@mailings) {
         @{$newsetting{$type}} = 
@@ -12636,6 +12839,41 @@ sub modify_contacts {
             $contacts_hash{'contacts'}{$item} = $env{'form.'.$item};
         }
     }
+    my ($lonstatus_defs,$lonstatus_names) = &Apache::loncommon::lon_status_items();
+    foreach my $item (@lonstatus) {
+        if ($item eq 'excluded') {
+            my (%serverhomes,@excluded);
+            map { $serverhomes{$_} = 1; } values(%Apache::lonnet::serverhomeIDs);
+            my @possexcluded = &Apache::loncommon::get_env_multiple('form.errorexcluded');
+            if (@possexcluded) {
+                foreach my $id (sort(@possexcluded)) {
+                    if ($serverhomes{$id}) {
+                        push(@excluded,$id);
+                    }
+                }
+            }
+            if (@excluded) {
+                $contacts_hash{'contacts'}{'lonstatus'}{$item} = \@excluded;
+            }
+        } elsif ($item eq 'weights') {
+            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}) {
+                        $contacts_hash{'contacts'}{'lonstatus'}{$item}{$type} =
+                            $env{'form.error'.$item.'_'.$type};
+                    }
+                }
+            }
+        } elsif (($item eq 'threshold') || ($item eq 'sysmail')) {
+            $env{'form.error'.$item} =~ s/^\s+|\s+$//g;
+            if ($env{'form.error'.$item} =~ /^\d+$/) {
+                unless ($env{'form.error'.$item} == $lonstatus_defs->{$item}) {
+                    $contacts_hash{'contacts'}{'lonstatus'}{$item} = $env{'form.error'.$item};
+                }
+            }
+        }
+    }
     if ((ref($fields) eq 'ARRAY') && (ref($possoptions) eq 'HASH')) {
         foreach my $field (@{$fields}) {
             if (ref($possoptions->{$field}) eq 'ARRAY') {
@@ -12774,6 +13012,76 @@ sub modify_contacts {
                 }
             }
         }
+        if (ref($currsetting{'lonstatus'}) eq 'HASH') {
+            foreach my $key ('excluded','weights','threshold','sysmail') {
+                if ($key eq 'excluded') {
+                    if ((ref($contacts_hash{contacts}{lonstatus}) eq 'HASH') &&
+                        (ref($contacts_hash{contacts}{lonstatus}{excluded}) eq 'ARRAY')) {
+                        if ((ref($currsetting{'lonstatus'}{$key}) eq 'ARRAY') &&
+                            (@{$currsetting{'lonstatus'}{$key}})) {
+                            my @diffs =
+                                &Apache::loncommon::compare_arrays($contacts_hash{contacts}{lonstatus}{excluded},
+                                                                   $currsetting{'lonstatus'}{$key});
+                            if (@diffs) {
+                                push(@{$changes{'lonstatus'}},$key);
+                            }
+                        } elsif (@{$contacts_hash{contacts}{lonstatus}{excluded}}) {
+                            push(@{$changes{'lonstatus'}},$key);
+                        }
+                    } elsif ((ref($currsetting{'lonstatus'}{$key}) eq 'ARRAY') &&
+                             (@{$currsetting{'lonstatus'}{$key}})) {
+                        push(@{$changes{'lonstatus'}},$key);
+                    }
+                } elsif ($key eq 'weights') {
+                    if ((ref($contacts_hash{contacts}{lonstatus}) eq 'HASH') &&
+                        (ref($contacts_hash{contacts}{lonstatus}{$key}) eq 'HASH')) {
+                        if (ref($currsetting{'lonstatus'}{$key}) eq 'HASH') {
+                            foreach my $type ('E','W','N','U') {
+                                unless ($contacts_hash{contacts}{lonstatus}{$key}{$type} eq
+                                        $currsetting{'lonstatus'}{$key}{$type}) {
+                                    push(@{$changes{'lonstatus'}},$key);
+                                    last;
+                                }
+                            }
+                        } else {
+                            foreach my $type ('E','W','N','U') {
+                                if ($contacts_hash{contacts}{lonstatus}{$key}{$type} ne '') {
+                                    push(@{$changes{'lonstatus'}},$key);
+                                    last;
+                                }
+                            }
+                        }
+                    } elsif (ref($currsetting{'lonstatus'}{$key}) eq 'HASH') {
+                        foreach my $type ('E','W','N','U') {
+                            if ($currsetting{'lonstatus'}{$key}{$type} ne '') {
+                                push(@{$changes{'lonstatus'}},$key);
+                                last;
+                            }
+                        }
+                    }
+                } elsif (($key eq 'threshold') || ($key eq 'sysmail')) {
+                    if (ref($contacts_hash{contacts}{lonstatus}) eq 'HASH') {
+                        if ($currsetting{'lonstatus'}{$key} =~ /^\d+$/) {
+                            if ($currsetting{'lonstatus'}{$key} != $contacts_hash{contacts}{lonstatus}{$key}) {
+                                push(@{$changes{'lonstatus'}},$key);
+                            }
+                        } elsif ($contacts_hash{contacts}{lonstatus}{$key} =~ /^\d+$/) {
+                            push(@{$changes{'lonstatus'}},$key);
+                        }
+                    } elsif ($currsetting{'lonstatus'}{$key} =~ /^\d+$/) {
+                        push(@{$changes{'lonstatus'}},$key);
+                    }
+                }
+            }
+        } else {
+            if (ref($contacts_hash{contacts}{lonstatus}) eq 'HASH') {
+                foreach my $key ('excluded','weights','threshold','sysmail') {
+                    if (exists($contacts_hash{contacts}{lonstatus}{$key})) {
+                        push(@{$changes{'lonstatus'}},$key);
+                    }
+                }
+            }
+        }
     } else {
         my %default;
         $default{'supportemail'} = $Apache::lonnet::perlvar{'lonSupportEMail'};
@@ -12818,6 +13126,13 @@ sub modify_contacts {
                 }
             }
         }
+        if (ref($contacts_hash{contacts}{lonstatus}) eq 'HASH') {
+            foreach my $key ('excluded','weights','threshold','sysmail') {
+                if (exists($contacts_hash{contacts}{lonstatus}{$key})) {
+                    push(@{$changes{'lonstatus'}},$key);
+                }
+            }
+        }
     }
     foreach my $item (@toggles) {
         if (($env{'form.'.$item} == 1) && ($currsetting{$item} == 0)) {
@@ -12943,22 +13258,79 @@ sub modify_contacts {
                 }
             }
             my @offon = ('off','on');
+            my $corelink = &core_link_msu();
             if ($changes{'reporterrors'}) {
                 $resulttext .= '<li>'.
                                &mt('E-mail error reports to [_1] set to "'.
                                    $offon[$env{'form.reporterrors'}].'".',
-                                   &Apache::loncommon::modal_link('http://loncapa.org/core.html',
-                                       &mt('LON-CAPA core group - MSU'),600,500)).
+                                   $corelink).
                                '</li>';
             }
             if ($changes{'reportupdates'}) {
                 $resulttext .= '<li>'.
                                 &mt('E-mail record of completed LON-CAPA updates to [_1] set to "'.
                                     $offon[$env{'form.reportupdates'}].'".',
-                                    &Apache::loncommon::modal_link('http://loncapa.org/core.html',
-                                        &mt('LON-CAPA core group - MSU'),600,500)).
+                                    $corelink).
+                                '</li>';
+            }
+            if ($changes{'reportstatus'}) {
+                $resulttext .= '<li>'.
+                                &mt('E-mail status if errors above threshold to [_1] set to "'.
+                                    $offon[$env{'form.reportstatus'}].'".',
+                                    $corelink).
                                 '</li>';
             }
+            if (ref($changes{'lonstatus'}) eq 'ARRAY') {
+                $resulttext .= '<li>'.
+                               &mt('Nightly status check e-mail settings').':<ul>';
+                my (%defval,%use_def,%shown);
+                $defval{'threshold'} = $lonstatus_defs->{'threshold'};
+                $defval{'sysmail'} = $lonstatus_defs->{'sysmail'};
+                $defval{'weights'} =
+                    join(', ',map { $lonstatus_names->{$_}.'='.$lonstatus_defs->{$_}; } ('E','W','N','U'));
+                $defval{'excluded'} = &mt('None');
+                if (ref($contacts_hash{'contacts'}{'lonstatus'}) eq 'HASH') {
+                    foreach my $item ('threshold','sysmail','weights','excluded') {
+                        if (exists($contacts_hash{'contacts'}{'lonstatus'}{$item})) {
+                            if (($item eq 'threshold') || ($item eq 'sysmail')) {
+                                $shown{$item} = $contacts_hash{'contacts'}{'lonstatus'}{$item};
+                            } elsif ($item eq 'weights') {
+                                if (ref($contacts_hash{'contacts'}{'lonstatus'}{$item}) eq 'HASH') {
+                                    foreach my $type ('E','W','N','U') {
+                                        $shown{$item} .= $lonstatus_names->{$type}.'=';
+                                        if (exists($contacts_hash{'contacts'}{'lonstatus'}{$item}{$type})) {
+                                            $shown{$item} .= $contacts_hash{'contacts'}{'lonstatus'}{$item}{$type};
+                                        } else {
+                                            $shown{$item} .= $lonstatus_defs->{$type};
+                                        }
+                                        $shown{$item} .= ', ';
+                                    }
+                                    $shown{$item} =~ s/, $//;
+                                } else {
+                                    $shown{$item} = $defval{$item};
+                                }
+                            } elsif ($item eq 'excluded') {
+                                if (ref($contacts_hash{'contacts'}{'lonstatus'}{$item}) eq 'ARRAY') {
+                                    $shown{$item} = join(', ',@{$contacts_hash{'contacts'}{'lonstatus'}{$item}});
+                                } else {
+                                    $shown{$item} = $defval{$item};
+                                }
+                            }
+                        } else {
+                            $shown{$item} = $defval{$item};
+                        }
+                    }
+                } else {
+                    foreach my $item ('threshold','weights','excluded','sysmail') {
+                        $shown{$item} = $defval{$item};
+                    }
+                }
+                foreach my $item ('threshold','weights','excluded','sysmail') {
+                    $resulttext .= '<li>'.&mt($titles->{'error'.$item}.' -- [_1]',
+                                          $shown{$item}).'</li>';
+                }
+                $resulttext .= '</ul></li>';
+            }
             if ((ref($changes{'helpform'}) eq 'ARRAY') && (ref($fields) eq 'ARRAY')) {
                 my (@optional,@required,@unused,$maxsizechg);
                 foreach my $field (@{$changes{'helpform'}}) {
@@ -16358,12 +16730,17 @@ sub modify_ssl {
                 if ($env{'form.'.$prefix.'_'.$type} =~ /^(no|req)$/) {
                     $value = $env{'form.'.$prefix.'_'.$type};
                 }
-                if (ref($domconfig{$action}{$prefix}) eq 'HASH') {
-                    if ($domconfig{$action}{$prefix}{$type} ne '') {
-                        if ($value ne $domconfig{$action}{$prefix}{$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;
                         }
-                        $defaultshash{$action}{$prefix}{$type} = $value;
                     } else {
                         $defaultshash{$action}{$prefix}{$type} = $value;
                         $changes{$prefix}{$type} = 1;
@@ -16433,6 +16810,17 @@ sub modify_ssl {
             }
         }
     }
+    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,
@@ -16443,10 +16831,10 @@ sub modify_ssl {
                     $domdefaults{'replication'} = $defaultshash{$action}{'replication'};
                 }
                 if (ref($defaultshash{$action}{'connto'}) eq 'HASH') {
-                    $domdefaults{'connto'} = $domconfig{$action}{'connto'};
+                    $domdefaults{'connto'} = $defaultshash{$action}{'connto'};
                 }
                 if (ref($defaultshash{$action}{'connfrom'}) eq 'HASH') {
-                    $domdefaults{'connfrom'} = $domconfig{$action}{'connfrom'};
+                    $domdefaults{'connfrom'} = $defaultshash{$action}{'connfrom'};
                 }
             }
             my $cachetime = 24*60*60;
@@ -16632,12 +17020,12 @@ sub modify_loadbalancing {
     my @sparestypes = ('primary','default');
     my %typetitles = &sparestype_titles();
     my $resulttext;
-    my (%currbalancer,%currtargets,%currrules,%existing);
+    my (%currbalancer,%currtargets,%currrules,%existing,%currcookies);
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
     }
     &get_loadbalancers_config(\%servers,\%existing,\%currbalancer,
-                              \%currtargets,\%currrules);
+                              \%currtargets,\%currrules,\%currcookies);
     my ($saveloadbalancing,%defaultshash,%changes);
     my ($alltypes,$othertypes,$titles) =
         &loadbalancing_titles($dom,$intdom,$usertypes,$types);
@@ -16689,6 +17077,18 @@ sub modify_loadbalancing {
             }
             $defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype} = \@offloadto;
         }
+        if ($env{'form.loadbalancing_cookie_'.$i}) {
+            $defaultshash{'loadbalancing'}{$balancer}{'cookie'} = 1;
+            if (exists($currbalancer{$balancer})) { 
+                unless ($currcookies{$balancer}) {
+                    $changes{'curr'}{$balancer}{'cookie'} = 1;
+                }
+            }
+        } elsif (exists($currbalancer{$balancer})) {
+            if ($currcookies{$balancer}) {
+                $changes{'curr'}{$balancer}{'cookie'} = 1;
+            }
+        }
         if (ref($currtargets{$balancer}) eq 'HASH') {
             foreach my $sparetype (@sparestypes) {
                 if (ref($currtargets{$balancer}{$sparetype}) eq 'ARRAY') {
@@ -16842,6 +17242,10 @@ sub modify_loadbalancing {
                                 }
                             }
                         }
+                        if ($changes{'curr'}{$balancer}{'cookie'}) {
+                            $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- cookie use enabled',
+                                                      $balancer).'</li>'; 
+                        }
                         if (keys(%toupdate)) {
                             my %thismachine;
                             my $updatedhere;
@@ -17071,12 +17475,12 @@ sub lonbalance_targets_js {
     }
     push(@alltypes,'default','_LC_adv','_LC_author','_LC_internetdom','_LC_external');
     $allinsttypes = join("','",@alltypes);
-    my (%currbalancer,%currtargets,%currrules,%existing);
+    my (%currbalancer,%currtargets,%currrules,%existing,%currcookies);
     if (ref($settings) eq 'HASH') {
         %existing = %{$settings};
     }
     &get_loadbalancers_config($servers,\%existing,\%currbalancer,
-                              \%currtargets,\%currrules);
+                              \%currtargets,\%currrules,\%currcookies);
     my $balancers = join("','",sort(keys(%currbalancer)));
     return <<"END";