--- loncom/interface/domainprefs.pm	2014/05/05 21:28:10	1.240
+++ loncom/interface/domainprefs.pm	2014/10/06 00:48:39	1.254
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.240 2014/05/05 21:28:10 raeburn Exp $
+# $Id: domainprefs.pm,v 1.254 2014/10/06 00:48:39 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -369,6 +369,8 @@ sub handler {
                               col2 => 'Value'},
                              {col1 => 'Available textbooks',
                               col2 => ''},
+                             {col1 => 'Available templates',
+                              col2 => ''},
                              {col1 => 'Validation (not official courses)',
                               col2 => 'Value'},],
                   print => \&print_quotas,
@@ -760,8 +762,9 @@ sub print_config_box {
                 $output .= &print_login('help',$dom,$confname,$phase,$settings,\$rowtotal);
             }
         } elsif ($action eq 'requestcourses') {
-            $output .= &print_requestmail($dom,$action,$settings,\$rowtotal).
-                       &print_studentcode($settings,\$rowtotal).'
+            $output .= &print_requestmail($dom,$action,$settings,\$rowtotal);
+            $rowtotal ++;
+            $output .= &print_studentcode($settings,\$rowtotal).'
            </table>
           </td>
          </tr>
@@ -771,7 +774,18 @@ sub print_config_box {
              <tr class="LC_info_row">
               <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[2]->{'col1'}).'</td>
               <td class="LC_right_item">'.&mt($item->{'header'}->[2]->{'col2'}).'</td> </tr>'.
-                       &print_textbookcourses($dom,$settings,\$rowtotal).'
+                       &textbookcourses_javascript($settings).
+                       &print_textbookcourses($dom,'textbooks',$settings,\$rowtotal).'
+            </table>
+           </td>
+          </tr>
+         <tr>
+           <td>
+            <table class="LC_nested">
+             <tr class="LC_info_row">
+              <td class="LC_left_item"'.$colspan.'>'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
+              <td class="LC_right_item">'.&mt($item->{'header'}->[3]->{'col2'}).'</td> </tr>'.
+                       &print_textbookcourses($dom,'templates',$settings,\$rowtotal).'
             </table>
            </td>
           </tr>
@@ -779,12 +793,13 @@ sub print_config_box {
            <td>
             <table class="LC_nested">
              <tr class="LC_info_row">
-              <td class="LC_left_item"'.$colspan.' valign="top">'.&mt($item->{'header'}->[3]->{'col1'}).'</td>
-              <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[3]->{'col2'}).'</td>
+              <td class="LC_left_item"'.$colspan.' valign="top">'.&mt($item->{'header'}->[4]->{'col1'}).'</td>
+              <td class="LC_right_item" valign="top">'.&mt($item->{'header'}->[4]->{'col2'}).'</td>
              </tr>'.
             &print_validation_rows('requestcourses',$dom,$settings,\$rowtotal);
         } elsif ($action eq 'requestauthor') {
             $output .= &print_requestmail($dom,$action,$settings,\$rowtotal);
+            $rowtotal ++;
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'coordinator',$dom,$confname,$settings,\$rowtotal).'
            </table>
@@ -2061,7 +2076,6 @@ sub print_requestmail {
         $datatable .= &mt('There are no active Domain Coordinators');
     }
     $datatable .='</td></tr>';
-    $$rowtotal += $rows;
     return $datatable;
 }
 
@@ -2070,9 +2084,11 @@ sub print_studentcode {
     my $rownum = 0; 
     my ($output,%current);
     my @crstypes = ('official','unofficial','community','textbook');
-    if (ref($settings->{'uniquecode'}) eq 'HASH') {
-        foreach my $type (@crstypes) {
-            $current{$type} = $settings->{'uniquecode'}{$type};
+    if (ref($settings) eq 'HASH') {
+        if (ref($settings->{'uniquecode'}) eq 'HASH') {
+            foreach my $type (@crstypes) {
+                $current{$type} = $settings->{'uniquecode'}{$type};
+            }
         }
     }
     $output .= '<tr>'.
@@ -2093,14 +2109,14 @@ sub print_studentcode {
 }
 
 sub print_textbookcourses {
-    my ($dom,$settings,$rowtotal) = @_;
+    my ($dom,$type,$settings,$rowtotal) = @_;
     my $rownum = 0;
     my $css_class;
     my $itemcount = 1;
     my $maxnum = 0;
     my $bookshash;
     if (ref($settings) eq 'HASH') {
-        $bookshash = $settings->{'textbooks'};
+        $bookshash = $settings->{$type};
     }
     my %ordered;
     if (ref($bookshash) eq 'HASH') {
@@ -2113,8 +2129,8 @@ sub print_textbookcourses {
     }
     my $confname = $dom.'-domainconfig';
     my $switchserver = &check_switchserver($dom,$confname);
-    $maxnum = scalar(keys(%ordered));
-    my $datatable = &textbookcourses_javascript(\%ordered);
+    my $maxnum = scalar(keys(%ordered));
+    my $datatable;
     if (keys(%ordered)) {
         my @items = sort { $a <=> $b } keys(%ordered);
         for (my $i=0; $i<@items; $i++) {
@@ -2122,21 +2138,24 @@ sub print_textbookcourses {
             my $key = $ordered{$items[$i]};
             my %coursehash=&Apache::lonnet::coursedescription($key);
             my $coursetitle = $coursehash{'description'};
-            my ($subject,$title,$author,$image,$imgsrc,$cdom,$cnum);
+            my ($subject,$title,$author,$publisher,$image,$imgsrc,$cdom,$cnum);
             if (ref($bookshash->{$key}) eq 'HASH') {
                 $subject = $bookshash->{$key}->{'subject'};
                 $title = $bookshash->{$key}->{'title'};
-                $author = $bookshash->{$key}->{'author'};
-                $image = $bookshash->{$key}->{'image'};
-                if ($image ne '') {
-                    my ($path,$imagefile) = ($image =~ m{^(.+)/([^/]+)$});
-                    my $imagethumb = "$path/tn-".$imagefile;
-                    $imgsrc = '<img src="'.$imagethumb.'" alt="'.&mt('Textbook image').'" />';
+                if ($type eq 'textbooks') {
+                    $publisher = $bookshash->{$key}->{'publisher'};
+                    $author = $bookshash->{$key}->{'author'};
+                    $image = $bookshash->{$key}->{'image'};
+                    if ($image ne '') {
+                        my ($path,$imagefile) = ($image =~ m{^(.+)/([^/]+)$});
+                        my $imagethumb = "$path/tn-".$imagefile;
+                        $imgsrc = '<img src="'.$imagethumb.'" alt="'.&mt('Textbook image').'" />';
+                    }
                 }
             }
-            my $chgstr = ' onchange="javascript:reorderBooks(this.form,'."'$key'".');"';
+            my $chgstr = ' onchange="javascript:reorderBooks(this.form,'."'$type".'_'."$key','$type'".');"';
             $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'
-                         .'<select name="'.$key.'"'.$chgstr.'>';
+                         .'<select name="'.$type.'_'.$key.'"'.$chgstr.'>';
             for (my $k=0; $k<=$maxnum; $k++) {
                 my $vpos = $k+1;
                 my $selstr;
@@ -2146,39 +2165,43 @@ sub print_textbookcourses {
                 $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
             }
             $datatable .= '</select>'.('&nbsp;'x2).
-                '<label><input type="checkbox" name="book_del" value="'.$key.'" />'.
+                '<label><input type="checkbox" name="'.$type.'_del" value="'.$key.'" />'.
                 &mt('Delete?').'</label></span></td>'.
                 '<td colspan="2">'.
-                '<span class="LC_nobreak">'.&mt('Subject:').'<input type="text" size="15" name="book_subject_'.$i.'" value="'.$subject.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.&mt('Title:').'<input type="text" size="30" name="book_title_'.$i.'" value="'.$title.'" /></span> '.
-                ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.&mt('Author(s):').'<input type="text" size="25" name="book_author_'.$i.'" value="'.$author.'" /></span> '.
+                '<span class="LC_nobreak">'.&mt('Subject:').'<input type="text" size="15" name="'.$type.'_subject_'.$i.'" value="'.$subject.'" /></span> '.
                 ('&nbsp;'x2).
-                '<span class="LC_nobreak">'.&mt('Thumbnail:');
-            if ($image) {
-                $datatable .= '<span class="LC_nobreak">'.
-                              $imgsrc.
-                              '<label><input type="checkbox" name="book_image_del"'.
-                              ' value="'.$key.'" />'.&mt('Delete?').'</label></span> '.
-                              '<span class="LC_nobreak">&nbsp;'.&mt('Replace:').'&nbsp;';
-            }
-            if ($switchserver) {
-                $datatable .= &mt('Upload to library server: [_1]',$switchserver);
-            } else {
-                $datatable .= '<input type="file" name="book_image_'.$i.'" value="" />';
+                '<span class="LC_nobreak">'.&mt('Title:').'<input type="text" size="30" name="'.$type.'_title_'.$i.'" value="'.$title.'" /></span> ';
+            if ($type eq 'textbooks') {
+                $datatable .= ('&nbsp;'x2).
+                              '<span class="LC_nobreak">'.&mt('Publisher:').'<input type="text" size="10" name="'.$type.'_publisher_'.$i.'" value="'.$publisher.'" /></span> '.
+                              ('&nbsp;'x2).
+                              '<span class="LC_nobreak">'.&mt('Author(s):').'<input type="text" size="25" name="'.$type.'_author_'.$i.'" value="'.$author.'" /></span> '.
+                              ('&nbsp;'x2).
+                              '<span class="LC_nobreak">'.&mt('Thumbnail:');
+                if ($image) {
+                    $datatable .= '<span class="LC_nobreak">'.
+                                  $imgsrc.
+                                  '<label><input type="checkbox" name="'.$type.'_image_del"'.
+                                  ' value="'.$key.'" />'.&mt('Delete?').'</label></span> '.
+                                  '<span class="LC_nobreak">&nbsp;'.&mt('Replace:').'&nbsp;';
+                }
+                if ($switchserver) {
+                    $datatable .= &mt('Upload to library server: [_1]',$switchserver);
+                } else {
+                    $datatable .= '<input type="file" name="'.$type.'_image_'.$i.'" value="" />';
+                }
             }
-            $datatable .= '<input type="hidden" name="book_id_'.$i.'" value="'.$key.'" /></span> '.
+            $datatable .= '<input type="hidden" name="'.$type.'_id_'.$i.'" value="'.$type.'_'.$key.'" /></span> '.
                           '<span class="LC_nobreak">'.&mt('LON-CAPA course:').'&nbsp;'.
                           $coursetitle.'</span></td></tr>'."\n";
             $itemcount ++;
         }
     }
     $css_class = $itemcount%2?' class="LC_odd_row"':'';
-    my $chgstr = ' onchange="javascript:reorderBooks(this.form,'."'addbook_pos'".');"';
+    my $chgstr = ' onchange="javascript:reorderBooks(this.form,'."'$type"."_addbook_pos','$type'".');"';
     $datatable .= '<tr '.$css_class.'><td><span class="LC_nobreak">'."\n".
-                  '<input type="hidden" name="book_maxnum" value="'.$maxnum.'" />'."\n".
-                  '<select name="addbook_pos"'.$chgstr.'>';
+                  '<input type="hidden" name="'.$type.'_maxnum" value="'.$maxnum.'" />'."\n".
+                  '<select name="'.$type.'_addbook_pos"'.$chgstr.'>';
     for (my $k=0; $k<$maxnum+1; $k++) {
         my $vpos = $k+1;
         my $selstr;
@@ -2188,26 +2211,30 @@ sub print_textbookcourses {
         $datatable .= '<option value="'.$k.'"'.$selstr.'>'.$vpos.'</option>';
     }
     $datatable .= '</select>&nbsp;'."\n".
-                  '<input type="checkbox" name="addbook" value="1" />'.&mt('Add').'</td>'."\n".
+                  '<input type="checkbox" name="'.$type.'_addbook" value="1" />'.&mt('Add').'</td>'."\n".
                   '<td colspan="2">'.
-                  '<span class="LC_nobreak">'.&mt('Subject:').'<input type="text" size="15" name="addbook_subject" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.&mt('Title:').'<input type="text" size="30" name="addbook_title" value="" /></span> '."\n".
+                  '<span class="LC_nobreak">'.&mt('Subject:').'<input type="text" size="15" name="'.$type.'_addbook_subject" value="" /></span> '."\n".
                   ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.&mt('Author(s):').'<input type="text" size="25" name="addbook_author" value="" /></span> '."\n".
-                  ('&nbsp;'x2).
-                  '<span class="LC_nobreak">'.&mt('Image:').'&nbsp;';
-    if ($switchserver) {
-        $datatable .= &mt('Upload to library server: [_1]',$switchserver);
-    } else {
-        $datatable .= '<input type="file" name="addbook_image" value="" />';
+                  '<span class="LC_nobreak">'.&mt('Title:').'<input type="text" size="30" name="'.$type.'_addbook_title" value="" /></span> '."\n".
+                  ('&nbsp;'x2);
+    if ($type eq 'textbooks') {
+        $datatable .= '<span class="LC_nobreak">'.&mt('Publisher:').'<input type="text" size="10" name="'.$type.'_addbook_publisher" value="" /></span> '."\n".
+                      ('&nbsp;'x2).
+                      '<span class="LC_nobreak">'.&mt('Author(s):').'<input type="text" size="25" name="'.$type.'_addbook_author" value="" /></span> '."\n".
+                      ('&nbsp;'x2).
+                      '<span class="LC_nobreak">'.&mt('Image:').'&nbsp;';
+        if ($switchserver) {
+            $datatable .= &mt('Upload to library server: [_1]',$switchserver);
+        } else {
+            $datatable .= '<input type="file" name="'.$type.'_addbook_image" value="" />';
+        }
     }
     $datatable .= '</span>'."\n".
                   '<span class="LC_nobreak">'.&mt('LON-CAPA course:').'&nbsp;'.
-                  &Apache::loncommon::select_dom_form($env{'request.role.domain'},'addbook_cdom').
-                  '<input type="text" size="25" name="addbook_cnum" value="" />'.
+                  &Apache::loncommon::select_dom_form($env{'request.role.domain'},$type.'_addbook_cdom').
+                  '<input type="text" size="25" name="'.$type.'_addbook_cnum" value="" />'.
                   &Apache::loncommon::selectcourse_link
-                      ('display','addbook_cnum','addbook_cdom',undef,undef,undef,'Course');
+                      ('display',$type.'_addbook_cnum',$type.'_addbook_cdom',undef,undef,undef,'Course');
                   '</span></td>'."\n".
                   '</tr>'."\n";
     $itemcount ++;
@@ -2215,23 +2242,43 @@ sub print_textbookcourses {
 }
 
 sub textbookcourses_javascript {
-    my ($textbooks) = @_;
-    return unless(ref($textbooks) eq 'HASH');
-    my $num = scalar(keys(%{$textbooks}));
-    my @jsarray;
-    foreach my $item (sort {$a <=> $b } (keys(%{$textbooks}))) {
-        push(@jsarray,$textbooks->{$item});
+    my ($settings) = @_;
+    return unless(ref($settings) eq 'HASH');
+    my (%ordered,%total,%jstext);
+    foreach my $type ('textbooks','templates') {
+        $total{$type} = 0;
+        if (ref($settings->{$type}) eq 'HASH') {
+            foreach my $item (keys(%{$settings->{$type}})) {
+                if (ref($settings->{$type}->{$item}) eq 'HASH') {
+                    my $num = $settings->{$type}->{$item}{'order'};
+                    $ordered{$type}{$num} = $item;
+                }
+            }
+            $total{$type} = scalar(keys(%{$settings->{$type}}));
+        }
+        my @jsarray = ();
+        foreach my $item (sort {$a <=> $b } (keys(%{$ordered{$type}}))) {
+            push(@jsarray,$ordered{$type}{$item});
+        }
+        $jstext{$type} = '    var '.$type.' = Array('."'".join("','",@jsarray)."'".');'."\n";
     }
-    my $jstext = '    var textbooks = Array('."'".join("','",@jsarray)."'".');'."\n";
     return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
-function reorderBooks(form,item) {
+function reorderBooks(form,item,caller) {
     var changedVal;
-$jstext 
-    var newpos = 'addbook_pos';
+$jstext{'textbooks'};
+$jstext{'templates'};
+    var newpos;
+    var maxh;
+    if (caller == 'textbooks') {  
+        newpos = 'textbooks_addbook_pos';
+        maxh = 1 + $total{'textbooks'};
+    } else {
+        newpos = 'templates_addbook_pos';
+        maxh = 1 + $total{'templates'};
+    }
     var current = new Array;
-    var maxh = 1 + $num;
     var newitemVal = form.elements[newpos].options[form.elements[newpos].selectedIndex].value;
     if (item == newpos) {
         changedVal = newitemVal;
@@ -2239,12 +2286,25 @@ $jstext
         changedVal = form.elements[item].options[form.elements[item].selectedIndex].value;
         current[newitemVal] = newpos;
     }
-    for (var i=0; i<textbooks.length; i++) {
-        var elementName = textbooks[i];
-        if (elementName != item) {
-            if (form.elements[elementName]) {
-                var currVal = form.elements[elementName].options[form.elements[elementName].selectedIndex].value;
-                current[currVal] = elementName;
+    if (caller == 'textbooks') {
+        for (var i=0; i<textbooks.length; i++) {
+            var elementName = 'textbooks_'+textbooks[i];
+            if (elementName != item) {
+                if (form.elements[elementName]) {
+                    var currVal = form.elements[elementName].options[form.elements[elementName].selectedIndex].value;
+                    current[currVal] = elementName;
+                }
+            }
+        }
+    }
+    if (caller == 'templates') {
+        for (var i=0; i<templates.length; i++) {
+            var elementName = 'templates_'+templates[i];
+            if (elementName != item) {
+                if (form.elements[elementName]) {
+                    var currVal = form.elements[elementName].options[form.elements[elementName].selectedIndex].value;
+                    current[currVal] = elementName;
+                }
             }
         }
     }
@@ -2462,13 +2522,15 @@ sub print_autocreate {
                   $createoff{'req'}.' value="0" />'.&mt('No').'</label></span>';
     my ($numdc,$dctable,$rows) = &active_dc_picker($dom,$numinrow,'radio',
                                                    'autocreate_xmldc',%currhash);
+    $datatable .= '</td></tr><tr class="LC_odd_row"><td>';
     if ($numdc > 1) {
-        $datatable .= '</td></tr><tr class="LC_odd_row"><td>'.
-                      &mt('Course creation processed as: (choose Dom. Coord.)').
-                      '</td><td class="LC_left_item">'.$dctable.'</td></tr>';
+        $datatable .= &mt('Course creation processed as: (choose Dom. Coord.)').
+                      '</td><td class="LC_left_item">';
     } else {
-        $datatable .= $dctable.'</td></tr>';
+        $datatable .= &mt('Course creation processed as:').
+                      '</td><td class="LC_right_item">';
     }
+    $datatable .= $dctable.'</td></tr>';
     $$rowtotal += $rows;
     return $datatable;
 }
@@ -3060,21 +3122,24 @@ sub print_validation_rows {
     }
     if ($caller eq 'requestcourses') {
         my %currhash;
-        if (ref($settings->{'validation'}) eq 'HASH') {
-            if ($settings->{'validation'}{'dc'} ne '') {
-                $currhash{$settings->{'validation'}{'dc'}} = 1;
+        if (ref($settings) eq 'HASH') {
+            if (ref($settings->{'validation'}) eq 'HASH') {
+                if ($settings->{'validation'}{'dc'} ne '') {
+                    $currhash{$settings->{'validation'}{'dc'}} = 1;
+                }
             }
         }
         my $numinrow = 2;
         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>';
         if ($numdc > 1) {
-            $datatable .= '</td></tr><tr class="LC_odd_row"><td>'.
-                          &mt('Course creation processed as: (choose Dom. Coord.)').
-                          '</td><td class="LC_left_item">'.$dctable.'</td></tr>';
+            $datatable .= &mt('Course creation processed as: (choose Dom. Coord.)');
         } else {
-            $datatable .= $dctable.'</td></tr>';
+            $datatable .=  &mt('Course creation processed as: ');
         }
+        $datatable .= '</td><td class="LC_left_item">'.$dctable.'</td></tr>';
         $itemcount ++;
     }
     if (ref($rowtotal)) {
@@ -3596,9 +3661,10 @@ sub print_loadbalancing {
                     $disabled = ' disabled="disabled"';
                 }
                 $targettable .=
-                    '<td><label><input type="checkbox" name="loadbalancing_target_'.$balnum.'_'.$sparetype.'"'.
+                    '<td><span class="LC_nobreak"><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>';
+                    '</span></label></span></td>';
                 my $rem = $i%($numinrow);
                 if ($rem == 0) {
                     if (($i > 0) && ($i < $numspares-1)) {
@@ -3688,7 +3754,7 @@ 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 = '';
                 }
@@ -3740,7 +3806,7 @@ sub loadbalance_rule_row {
     my @rulenames;
     my %ruletitles = &offloadtype_text();
     if (($type eq '_LC_ipchangesso') || ($type eq '_LC_ipchange')) {
-        @rulenames = ('balancer','offloadedto');
+        @rulenames = ('balancer','offloadedto','specific');
     } else {
         @rulenames = ('default','homeserver');
         if ($type eq '_LC_external') {
@@ -3751,7 +3817,7 @@ sub loadbalance_rule_row {
         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;
@@ -3802,8 +3868,13 @@ sub loadbalance_rule_row {
                    '<input type="radio" name="loadbalancing_rules_'.$balnum.'_'.$type.
                    '" id="loadbalancing_rules_'.$balnum.'_'.$type.'_'.$i.'" value="'.
                    $rule.'" onclick="balanceruleChange('."this.form,'$balnum','$type'".
-                   ')"'.$checked.' />&nbsp;'.$ruletitles{$rulenames[$i]}.
-                   '</label>'.$extra.'</span><br />'."\n";
+                   ')"'.$checked.' />&nbsp;';
+        if (($rulenames[$i] eq 'specific') && ($type =~ /^_LC_ipchange/)) {
+            $output .= $ruletitles{'particular'};
+        } else {
+            $output .= $ruletitles{$rulenames[$i]};
+        }
+        $output .= '</label>'.$extra.'</span><br />'."\n";
     }
     $output .= '</div></td></tr>'."\n";
     return $output;
@@ -3818,6 +3889,7 @@ sub offloadtype_text {
            'none'             => 'No offload',
            'balancer'         => 'Session hosted on Load Balancer, after re-authentication',
            'offloadedto'      => 'Session hosted on offload server, after re-authentication',
+           'particular'       => 'Session hosted (after re-auth) on server:',
     );
     return %ruletitles;
 }
@@ -4088,7 +4160,7 @@ sub print_selfcreation {
         my $numperrow = 2;
         my $css_class = $$rowtotal%2?' class="LC_odd_row"':'';
         $datatable .= '<tr'.$css_class.'>'.
-                     '<td class="LC_left_item">'.&mt('Shibboleth (SSO) Data').'</td>'.
+                     '<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";
         for (my $i=0; $i<@fields; $i++) {
@@ -4100,8 +4172,10 @@ sub print_selfcreation {
                 $datatable .= '<tr>';
             }
             my $currval;
-            if (ref($createsettings->{'shibenv'}) eq 'HASH') {
-                $currval = $createsettings->{'shibenv'}{$fields[$i]};
+            if (ref($createsettings) eq 'HASH') {
+                if (ref($createsettings->{'shibenv'}) eq 'HASH') {
+                    $currval = $createsettings->{'shibenv'}{$fields[$i]};
+                }
             }
             $datatable .= '<td class="LC_left_item">'.
                           '<span class="LC_nobreak">'.
@@ -5105,14 +5179,14 @@ sub serverstatus_pages {
 
 sub defaults_javascript {
     my ($settings) = @_;
-    my ($output,$jstext); 
+    return unless (ref($settings) eq 'HASH'); 
     if ((ref($settings->{'inststatusorder'}) eq 'ARRAY') && (ref($settings->{'inststatustypes'}) eq 'HASH')) {
         my $maxnum = scalar(@{$settings->{'inststatusorder'}});
         if ($maxnum eq '') {
             $maxnum = 0;
         }
         $maxnum ++;
-        $jstext = '    var inststatuses = Array('."'".join("','",@{$settings->{'inststatusorder'}})."'".');';  
+        my $jstext = '    var inststatuses = Array('."'".join("','",@{$settings->{'inststatusorder'}})."'".');';  
         return <<"ENDSCRIPT";
 <script type="text/javascript">
 // <![CDATA[
@@ -6005,7 +6079,7 @@ sub modify_login {
                         if (!$privkey) {
                             $chgtxt .= '<li>'.&mt('Private key deleted').'</li>';
                         } else {
-                            $chgtxt .= '<li>'.&mt('Private key set to [_1]',$pubkey).'</li>';
+                            $chgtxt .= '<li>'.&mt('Private key set to [_1]',$privkey).'</li>';
                         }
                         $chgtxt .= '</ul>';
                         $resulttext .= '<li>'.$chgtxt.'</li>';
@@ -6830,29 +6904,35 @@ sub modify_quotas {
                 $confhash{'uniquecode'}{$type} = 1;
             }
         }
-        my ($newbook,@allpos);
+        my (%newbook,%allpos);
         if ($context eq 'requestcourses') {
-            if ($env{'form.addbook'}) {
-                if (($env{'form.addbook_cnum'} =~ /^$match_courseid$/) &&
-                    ($env{'form.addbook_cdom'} =~ /^$match_domain$/)) {
-                    if (&Apache::lonnet::homeserver($env{'form.addbook_cnum'},
-                                                    $env{'form.addbook_cdom'}) eq 'no_host') {
-                        $errors .= '<li><span class="LC_error">'.&mt('Invalid LON-CAPA course for textbook').
-                                   '</span></li>';
-                    } else {
-                        $newbook = $env{'form.addbook_cdom'}.'_'.$env{'form.addbook_cnum'};
-                        my $position = $env{'form.addbook_pos'};
-                        $position =~ s/\D+//g;
-                        if ($position ne '') {
-                            $allpos[$position] = $newbook;
+            foreach my $type ('textbooks','templates') {
+                @{$allpos{$type}} = (); 
+                my $invalid;
+                if ($type eq 'textbooks') {
+                    $invalid = &mt('Invalid LON-CAPA course for textbook');
+                } else {
+                    $invalid = &mt('Invalid LON-CAPA course for template');
+                }
+                if ($env{'form.'.$type.'_addbook'}) {
+                    if (($env{'form.'.$type.'_addbook_cnum'} =~ /^$match_courseid$/) &&
+                        ($env{'form.'.$type.'_addbook_cdom'} =~ /^$match_domain$/)) {
+                        if (&Apache::lonnet::homeserver($env{'form.'.$type.'_addbook_cnum'},
+                                                        $env{'form.'.$type.'_addbook_cdom'}) eq 'no_host') {
+                            $errors .= '<li><span class="LC_error">'.$invalid.'</span></li>';
+                        } else {
+                            $newbook{$type} = $env{'form.'.$type.'_addbook_cdom'}.'_'.$env{'form.'.$type.'_addbook_cnum'};
+                            my $position = $env{'form.'.$type.'_addbook_pos'};
+                            $position =~ s/\D+//g;
+                            if ($position ne '') {
+                                $allpos{$type}[$position] = $newbook{$type};
+                            }
                         }
+                    } else {
+                        $errors .= '<li><span class="LC_error">'.$invalid.'</span></li>';
                     }
-                } else {
-                    $errors .= '<li><span class="LC_error">'.&mt('Invalid LON-CAPA course for textbook').
-                               '</span></li>';
                 }
-            }
-
+            } 
         }
         if (ref($domconfig{$action}) eq 'HASH') {
             if (ref($domconfig{$action}{'notify'}) eq 'HASH') {
@@ -6885,56 +6965,61 @@ sub modify_quotas {
                 $changes{'uniquecode'} = 1;
             }
             if ($context eq 'requestcourses') {
-                if (ref($domconfig{$action}{'textbooks'}) eq 'HASH') {
-                    my %deletions;
-                    my @todelete = &Apache::loncommon::get_env_multiple('form.book_del');
-                    if (@todelete) {
-                        map { $deletions{$_} = 1; } @todelete;
-                    }
-                    my %imgdeletions;
-                    my @todeleteimages = &Apache::loncommon::get_env_multiple('form.book_image_del');
-                    if (@todeleteimages) {
-                        map { $imgdeletions{$_} = 1; } @todeleteimages;
-                    }
-                    my $maxnum = $env{'form.book_maxnum'};
-                    for (my $i=0; $i<=$maxnum; $i++) {
-                        my $key = $env{'form.book_id_'.$i};
-                        if (ref($domconfig{$action}{'textbooks'}{$key}) eq 'HASH') {
-                            if ($deletions{$key}) {
-                                if ($domconfig{$action}{'textbooks'}{$key}{'image'}) {
-                                    #FIXME need to obsolete item in RES space
+                foreach my $type ('textbooks','templates') {
+                    if (ref($domconfig{$action}{$type}) eq 'HASH') {
+                        my %deletions;
+                        my @todelete = &Apache::loncommon::get_env_multiple('form.'.$type.'_del');
+                        if (@todelete) {
+                            map { $deletions{$_} = 1; } @todelete;
+                        }
+                        my %imgdeletions;
+                        my @todeleteimages = &Apache::loncommon::get_env_multiple('form.'.$type.'_image_del');
+                        if (@todeleteimages) {
+                            map { $imgdeletions{$_} = 1; } @todeleteimages;
+                        }
+                        my $maxnum = $env{'form.'.$type.'_maxnum'};
+                        for (my $i=0; $i<=$maxnum; $i++) {
+                            my $itemid = $env{'form.'.$type.'_id_'.$i};
+                            my ($key) = ($itemid =~ /^\Q$type\E_(\w+)$/); 
+                            if (ref($domconfig{$action}{$type}{$key}) eq 'HASH') {
+                                if ($deletions{$key}) {
+                                    if ($domconfig{$action}{$type}{$key}{'image'}) {
+                                        #FIXME need to obsolete item in RES space
+                                    }
+                                    next;
+                                } else {
+                                    my $newpos = $env{'form.'.$itemid};
+                                    $newpos =~ s/\D+//g;
+                                    foreach my $item ('subject','title','publisher','author') {
+                                        next if ((($item eq 'author') || ($item eq 'publisher')) && 
+                                                 ($type eq 'templates'));
+                                        $confhash{$type}{$key}{$item} = $env{'form.'.$type.'_'.$item.'_'.$i};
+                                        if ($domconfig{$action}{$type}{$key}{$item} ne $confhash{$type}{$key}{$item}) {
+                                            $changes{$type}{$key} = 1;
+                                        }
+                                    }
+                                    $allpos{$type}[$newpos] = $key;
                                 }
-                                next;
-                            } else {
-                                my $newpos = $env{'form.'.$key};
-                                $newpos =~ s/\D+//g;
-                                foreach my $item ('subject','title','author') {
-                                    $confhash{'textbooks'}{$key}{$item} = $env{'form.book_'.$item.'_'.$i};
-                                    if ($domconfig{$action}{'textbooks'}{$key}{$item} ne $confhash{'textbooks'}{$key}{$item}) {
-                                        $changes{'textbooks'}{$key} = 1;
+                                if ($imgdeletions{$key}) {
+                                    $changes{$type}{$key} = 1;
+                                    #FIXME need to obsolete item in RES space
+                                } elsif ($env{'form.'.$type.'_image_'.$i.'.filename'}) {
+                                    my ($cdom,$cnum) = split(/_/,$key);
+                                    my ($imgurl,$error) = &process_textbook_image($r,$dom,$confname,$type.'_image_'.$i,
+                                                                                  $cdom,$cnum,$type,$configuserok,
+                                                                                  $switchserver,$author_ok);
+                                    if ($imgurl) {
+                                        $confhash{$type}{$key}{'image'} = $imgurl;
+                                        $changes{$type}{$key} = 1; 
                                     }
+                                    if ($error) {
+                                        &Apache::lonnet::logthis($error);
+                                        $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+                                    } 
+                                } elsif ($domconfig{$action}{$type}{$key}{'image'}) {
+                                    $confhash{$type}{$key}{'image'} = 
+                                        $domconfig{$action}{$type}{$key}{'image'};
                                 }
-                                $allpos[$newpos] = $key;
-                            }
-                            if ($imgdeletions{$key}) {
-                                $changes{'textbooks'}{$key} = 1;
-                                #FIXME need to obsolete item in RES space
-                            } elsif ($env{'form.book_image_'.$i.'.filename'}) {
-                                my ($cdom,$cnum) = split(/_/,$key);
-                                my ($imgurl,$error) = &process_textbook_image($r,$dom,$confname,'book_image_'.$i,
-                                                                              $cdom,$cnum,$configuserok,
-                                                                              $switchserver,$author_ok);
-                                if ($imgurl) {
-                                    $confhash{'textbooks'}{$key}{'image'} = $imgurl;
-                                    $changes{'textbooks'}{$key} = 1; 
-                                }
-                                if ($error) {
-                                    &Apache::lonnet::logthis($error);
-                                    $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
-                                } 
-                            } elsif ($domconfig{$action}{'textbooks'}{$key}{'image'}) {
-                                $confhash{'textbooks'}{$key}{'image'} = 
-                                    $domconfig{$action}{'textbooks'}{$key}{'image'};
                             }
                         }
                     }
@@ -6949,43 +7034,49 @@ sub modify_quotas {
             }
         }
         if ($context eq 'requestcourses') {
-            if ($newbook) {
-                $changes{'textbooks'}{$newbook} = 1;
-                foreach my $item ('subject','title','author') {
-                    $env{'form.addbook_'.$item} =~ s/(`)/'/g;
-                    if ($env{'form.addbook_'.$item}) {
-                        $confhash{'textbooks'}{$newbook}{$item} = $env{'form.addbook_'.$item};
-                    }
-                }
-                if ($env{'form.addbook_image.filename'} ne '') {
-                    my ($cdom,$cnum) = split(/_/,$newbook);
-                    my ($imageurl,$error) =
-                        &process_textbook_image($r,$dom,$confname,'addbook_image',$cdom,$cnum,$configuserok,
-                                                $switchserver,$author_ok);
-                    if ($imageurl) {
-                        $confhash{'textbooks'}{$newbook}{'image'} = $imageurl;
-                    }
-                    if ($error) {
-                        &Apache::lonnet::logthis($error);
-                        $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+            foreach my $type ('textbooks','templates') {
+                if ($newbook{$type}) {
+                    $changes{$type}{$newbook{$type}} = 1;
+                    foreach my $item ('subject','title','publisher','author') {
+                        next if ((($item eq 'author') || ($item eq 'publisher')) &&
+                                 ($type eq 'template'));
+                        $env{'form.'.$type.'_addbook_'.$item} =~ s/(`)/'/g;
+                        if ($env{'form.'.$type.'_addbook_'.$item}) {
+                            $confhash{$type}{$newbook{$type}}{$item} = $env{'form.'.$type.'_addbook_'.$item};
+                        }
+                    }
+                    if ($type eq 'textbooks') {
+                        if ($env{'form.'.$type.'_addbook_image.filename'} ne '') {
+                            my ($cdom,$cnum) = split(/_/,$newbook{$type});
+                            my ($imageurl,$error) =
+                                &process_textbook_image($r,$dom,$confname,$type.'_addbook_image',$cdom,$cnum,$type,
+                                                        $configuserok,$switchserver,$author_ok);
+                            if ($imageurl) {
+                                $confhash{$type}{$newbook{$type}}{'image'} = $imageurl;
+                            }
+                            if ($error) {
+                                &Apache::lonnet::logthis($error);
+                                $errors .= '<li><span class="LC_error">'.$error.'</span></li>';
+                            }
+                        }
                     }
                 }
-            }
-            if (@allpos > 0) {
-                my $idx = 0;
-                foreach my $item (@allpos) {
-                    if ($item ne '') {
-                        $confhash{'textbooks'}{$item}{'order'} = $idx;
-                        if (ref($domconfig{$action}) eq 'HASH') {
-                            if (ref($domconfig{$action}{'textbooks'}) eq 'HASH') {
-                                if (ref($domconfig{$action}{'textbooks'}{$item}) eq 'HASH') {
-                                    if ($domconfig{$action}{'textbooks'}{$item}{'order'} ne $idx) {
-                                        $changes{'textbooks'}{$item} = 1;
+                if (@{$allpos{$type}} > 0) {
+                    my $idx = 0;
+                    foreach my $item (@{$allpos{$type}}) {
+                        if ($item ne '') {
+                            $confhash{$type}{$item}{'order'} = $idx;
+                            if (ref($domconfig{$action}) eq 'HASH') {
+                                if (ref($domconfig{$action}{$type}) eq 'HASH') {
+                                    if (ref($domconfig{$action}{$type}{$item}) eq 'HASH') {
+                                        if ($domconfig{$action}{$type}{$item}{'order'} ne $idx) {
+                                            $changes{$type}{$item} = 1;
+                                        }
                                     }
                                 }
                             }
+                            $idx ++;
                         }
-                        $idx ++;
                     }
                 }
             }
@@ -7202,7 +7293,7 @@ sub modify_quotas {
         $domdefaults{'requestauthor'} = \%confhash;
     } else {
         foreach my $key (keys(%confhash)) {
-            unless (($context eq 'requestcourses') && ($key eq 'textbooks')) {
+            unless (($context eq 'requestcourses') && (($key eq 'textbooks') || ($key eq 'templates'))) {
                 $domdefaults{$key} = $confhash{$key};
             }
         }
@@ -7354,27 +7445,33 @@ sub modify_quotas {
                                        '</li>';
                     }
                 }
-                if (ref($changes{'textbooks'}) eq 'HASH') {
-                    $resulttext .= '<li>'.&mt('Available textbooks updated').'<ul>';
-                    foreach my $key (sort(keys(%{$changes{'textbooks'}}))) {
-                        my %coursehash = &Apache::lonnet::coursedescription($key);
-                        my $coursetitle = $coursehash{'description'};
-                        my $position = $confhash{'textbooks'}{$key}{'order'} + 1;
-                        $resulttext .= '<li>';
-                        foreach my $item ('subject','title','author') {
-                            my $name = $item.':';
-                            $name =~ s/^(\w)/\U$1/;
-                            $resulttext .= &mt($name).' '.$confhash{'textbooks'}{$key}{$item}.'<br />';
-                        }
-                        $resulttext .= ' '.&mt('Order: [_1]',$position).'<br />';
-                        if ($confhash{'textbooks'}{$key}{'image'}) {
-                            $resulttext .= ' '.&mt('Image: [_1]',
-                                               '<img src="'.$confhash{'textbooks'}{$key}{'image'}.'"'.
-                                               ' alt="Textbook cover" />').'<br />';
+                foreach my $type ('textbooks','templates') {
+                    if (ref($changes{$type}) eq 'HASH') {
+                        $resulttext .= '<li>'.&mt("Available $type updated").'<ul>';
+                        foreach my $key (sort(keys(%{$changes{$type}}))) {
+                            my %coursehash = &Apache::lonnet::coursedescription($key);
+                            my $coursetitle = $coursehash{'description'};
+                            my $position = $confhash{$type}{$key}{'order'} + 1;
+                            $resulttext .= '<li>';
+                            foreach my $item ('subject','title','publisher','author') {
+                                next if ((($item eq 'author') || ($item eq 'publisher')) &&
+                                         ($type eq 'templates'));
+                                my $name = $item.':';
+                                $name =~ s/^(\w)/\U$1/;
+                                $resulttext .= &mt($name).' '.$confhash{$type}{$key}{$item}.'<br />';
+                            }
+                            $resulttext .= ' '.&mt('Order: [_1]',$position).'<br />';
+                            if ($type eq 'textbooks') {
+                                if ($confhash{$type}{$key}{'image'}) {
+                                    $resulttext .= ' '.&mt('Image: [_1]',
+                                                   '<img src="'.$confhash{$type}{$key}{'image'}.'"'.
+                                                   ' alt="Textbook cover" />').'<br />';
+                                }
+                            }
+                            $resulttext .= ' '.&mt('LON-CAPA Course: [_1]',$coursetitle).'</li>';
                         }
-                        $resulttext .= ' '.&mt('LON-CAPA Course: [_1]',$coursetitle).'</li>';
+                        $resulttext .= '</ul></li>';
                     }
-                    $resulttext .= '</ul></li>';
                 }
                 if (ref($changes{'validation'}) eq 'HASH') {
                     if ((ref($validationitemsref) eq 'ARRAY') && (ref($validationnamesref) eq 'HASH')) {
@@ -7422,7 +7519,7 @@ sub modify_quotas {
 }
 
 sub process_textbook_image {
-    my ($r,$dom,$confname,$caller,$cdom,$cnum,$configuserok,$switchserver,$author_ok) = @_;
+    my ($r,$dom,$confname,$caller,$cdom,$cnum,$type,$configuserok,$switchserver,$author_ok) = @_;
     my $filename = $env{'form.'.$caller.'.filename'};
     my ($error,$url);
     my ($width,$height) = (50,50);
@@ -7433,7 +7530,7 @@ sub process_textbook_image {
         } elsif ($author_ok eq 'ok') {
             my ($result,$imageurl) =
                 &publishlogo($r,'upload',$caller,$dom,$confname,
-                             "textbooks/$dom/$cnum/cover",$width,$height);
+                             "$type/$dom/$cnum/cover",$width,$height);
             if ($result eq 'ok') {
                 $url = $imageurl;
             } else {
@@ -8450,7 +8547,7 @@ sub modify_selfcreation {
 # value set to one), if self-creation with e-mail address permitted, where $type is user type: faculty, staff, student etc.
 #
 
-    if ($env{'form.cancreate_email'} eq 'email') {
+    if ($env{'form.cancreate_email'}) {
         push(@contexts,'emailusername');
         if (ref($types) eq 'ARRAY') {
             foreach my $type (@{$types}) {
@@ -8868,17 +8965,19 @@ sub modify_selfcreation {
                                 foreach my $type (@{$types}) {
                                     if (ref($cancreate{'emailusername'}{$type}) eq 'HASH') {
                                         if (keys(%{$cancreate{'emailusername'}{$type}}) > 0) {
-                                            $chgtext .= &mt('When self-creating account with e-mail as username, the following information will be provided by [_1]:',$usertypes->{$type}).
+                                            $chgtext .= &mt('When self-creating account with e-mail as username, the following information will be provided by [_1]:',"'$usertypes->{$type}'").
                                                     '<ul>';
                                             foreach my $field (@{$infofields}) {
                                                 if ($cancreate{'emailusername'}{$type}{$field}) {
                                                     $chgtext .= '<li>'.$infotitles->{$field}.'</li>';
                                                 }
                                             }
+                                            $chgtext .= '</ul>';
+                                        } else {
+                                            $chgtext .= &mt('When self creating account with e-mail as username, no information besides e-mail address will be provided by [_1].',"'$usertypes->{$type}'").'<br />';
                                         }
-                                        $chgtext .= '</ul>';
                                     } else {
-                                        $chgtext .= &mt('When self creating account with e-mail as username, no information besides e-mail address will be provided by [_1].',$usertypes->{$type}).'<br />';
+                                        $chgtext .= &mt('When self creating account with e-mail as username, no information besides e-mail address will be provided by [_1].',"'$usertypes->{$type}'").'<br />';
                                     }
                                 }
                             }
@@ -8984,8 +9083,8 @@ sub process_captcha {
     if ($newsettings->{'captcha'} eq 'recaptcha') {
         $newpub = $env{'form.'.$container.'_recaptchapub'};
         $newpriv = $env{'form.'.$container.'_recaptchapriv'};
-        $newpub =~ s/\W//g;
-        $newpriv =~ s/\W//g;
+        $newpub =~ s/[^\w\-]//g;
+        $newpriv =~ s/[^\w\-]//g;
         $newsettings->{'recaptchakeys'} = {
                                              public  => $newpub,
                                              private => $newpriv,
@@ -9685,9 +9784,17 @@ sub modify_coursecategories {
             }
             $resulttext .= '</ul>';
             if ($changes{'unauth'} || $changes{'auth'}) {
-                &Apache::loncommon::devalidate_domconfig_cache($dom);
+                my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
+                if ($changes{'auth'}) {
+                    $domdefaults{'catauth'} = $domconfig{'coursecategories'}{'auth'};
+                }
+                if ($changes{'unauth'}) {
+                    $domdefaults{'catunauth'} = $domconfig{'coursecategories'}{'unauth'};
+                }
+                my $cachetime = 24*60*60;
+                &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
                 if (ref($lastactref) eq 'HASH') {
-                    $lastactref->{'domainconfig'} = 1;
+                    $lastactref->{'domdefaults'} = 1;
                 }
             }
         } else {
@@ -10580,6 +10687,7 @@ sub modify_loadbalancing {
     my ($othertitle,$usertypes,$types) =
         &Apache::loncommon::sorted_inst_types($dom);
     my %servers = &Apache::lonnet::internet_dom_servers($dom);
+    my %libraryservers = &Apache::lonnet::get_servers($dom,'library');
     my @sparestypes = ('primary','default');
     my %typetitles = &sparestype_titles();
     my $resulttext;
@@ -10693,20 +10801,22 @@ sub modify_loadbalancing {
                                                  \%defaultshash,$dom);
         if ($putresult eq 'ok') {
             if (keys(%changes) > 0) {
+                my %toupdate;
                 if (ref($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]);
+                        $toupdate{$balancer} = 1;
                     }
                 }
                 if (ref($changes{'add'}) eq 'ARRAY') {
                     foreach my $balancer (sort(@{$changes{'add'}})) {
                         $resulttext .= '<li>'.&mt('Load Balancing enabled for: [_1]',$balancer);
+                        $toupdate{$balancer} = 1;
                     }
                 }
                 if (ref($changes{'curr'}) eq 'HASH') {
                     foreach my $balancer (sort(keys(%{$changes{'curr'}}))) {
+                        $toupdate{$balancer} = 1;
                         if (ref($changes{'curr'}{$balancer}) eq 'HASH') {
                             if ($changes{'curr'}{$balancer}{'targets'}) {
                                 my %offloadstr;
@@ -10743,8 +10853,38 @@ sub modify_loadbalancing {
                                         if ($rule eq '') {
                                             $balancetext =  $ruletitles{'default'};
                                         } elsif (($rule eq 'homeserver') || ($rule eq 'externalbalancer') ||
-                                                 ($rule eq 'balancer') || ($rule eq 'offloadedto')) {
-                                            $balancetext =  $ruletitles{$rule};
+                                                 ($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) { 
+                                            if (($type eq '_LC_ipchange') || ($type eq '_LC_ipchangesso')) {
+                                                foreach my $sparetype (@sparestypes) {
+                                                    if (ref($defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}) eq 'ARRAY') {
+                                                        map { $toupdate{$_} = 1; } (@{$defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}});
+                                                    }
+                                                }
+                                                foreach my $item (@{$alltypes}) {
+                                                    next if ($item =~  /^_LC_ipchange/);
+                                                    my $hasrule = $defaultshash{'loadbalancing'}{$balancer}{'rules'}{$item};
+                                                    if ($hasrule eq 'homeserver') {
+                                                        map { $toupdate{$_} = 1; } (keys(%libraryservers));
+                                                    } else {
+                                                        unless (($hasrule eq 'default') || ($hasrule eq 'none') || ($hasrule eq 'externalbalancer')) {
+                                                            if ($servers{$hasrule}) {
+                                                                $toupdate{$hasrule} = 1;
+                                                            }
+                                                        }
+                                                    }
+                                                }
+                                                if (($rule eq 'balancer') || ($rule eq 'offloadedto')) {
+                                                    $balancetext =  $ruletitles{$rule};
+                                                } else {
+                                                    my $receiver = $defaultshash{'loadbalancing'}{$balancer}{'rules'}{$type};
+                                                    $balancetext = $ruletitles{'particular'}.' '.$receiver;
+                                                    if ($receiver) {
+                                                        $toupdate{$receiver};
+                                                    }
+                                                }
+                                            } else {
+                                                $balancetext =  $ruletitles{$rule};
+                                            }
                                         } else {
                                             $balancetext = &mt('offload to [_1]',$defaultshash{'loadbalancing'}{$balancer}{'rules'}{$type});
                                         }
@@ -10753,8 +10893,25 @@ sub modify_loadbalancing {
                                 }
                             }
                         }
-                        my $cachekey = &escape('loadbalancing').':'.&escape($dom);
-                        &Apache::lonnet::remote_devalidate_cache($balancer,[$cachekey]);
+                        if (keys(%toupdate)) {
+                            my %thismachine;
+                            my $updatedhere;
+                            my $cachetime = 60*60*24;
+                            map { $thismachine{$_} = 1; } &Apache::lonnet::current_machine_ids();
+                            foreach my $lonhost (keys(%toupdate)) {
+                                if ($thismachine{$lonhost}) {
+                                    unless ($updatedhere) {
+                                        &Apache::lonnet::do_cache_new('loadbalancing',$dom,
+                                                                      $defaultshash{'loadbalancing'},
+                                                                      $cachetime);
+                                        $updatedhere = 1;
+                                    }
+                                } else {
+                                    my $cachekey = &escape('loadbalancing').':'.&escape($dom);
+                                    &Apache::lonnet::remote_devalidate_cache($lonhost,[$cachekey]);
+                                }
+                            }
+                        }
                     }
                 }
                 if ($resulttext ne '') {
@@ -10895,7 +11052,7 @@ sub active_dc_picker {
         my ($dcname,$dcdom) = split(':',$domcoord[0]);
         my $user = &Apache::loncommon::plainname($dcname,$dcdom);
         if ($inputtype eq 'radio') {
-            $table .= '<input type="hidden" name="'.$name.'" value="'.$domcoord[0].'" />'.$user;
+            $table = '<input type="hidden" name="'.$name.'" value="'.$domcoord[0].'" />'.$user;
             if ($user ne $dcname.':'.$dcdom) {
                 $table .=  ' ('.$dcname.':'.$dcdom.')';
             }
@@ -10904,9 +11061,9 @@ sub active_dc_picker {
             if (exists($currhash{$domcoord[0]})) {
                 $check = ' checked="checked"';
             }
-            $table .= '<span class="LC_nobreak"><label>'.
-                      '<input type="checkbox" name="'.$name.'" '.
-                      'value="'.$domcoord[0].'"'.$check.' />'.$user;
+            $table = '<span class="LC_nobreak"><label>'.
+                     '<input type="checkbox" name="'.$name.'" '.
+                     'value="'.$domcoord[0].'"'.$check.' />'.$user;
             if ($user ne $dcname.':'.$dcdom) {
                 $table .=  ' ('.$dcname.':'.$dcdom.')';
             }