--- loncom/interface/domainprefs.pm	2013/01/09 21:37:04	1.160.6.13
+++ loncom/interface/domainprefs.pm	2013/04/08 23:01:51	1.194
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set domain-wide configuration settings
 #
-# $Id: domainprefs.pm,v 1.160.6.13 2013/01/09 21:37:04 raeburn Exp $
+# $Id: domainprefs.pm,v 1.194 2013/04/08 23:01:51 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -86,7 +86,7 @@ $dom,$settings,$rowtotal,$action.
 
 $dom is the domain, $settings is a reference to a hash of current settings for
 the current context, $rowtotal is a reference to the scalar used to record the 
-number of rows displayed on the page, and $action is the context (quotas,
+number of rows displayed on the page, and $action is the context (quotas,  
 requestcourses or requestauthor).
 
 The print_quotas routine was orginally created to display/store information
@@ -210,13 +210,15 @@ sub handler {
                 'quotas','autoenroll','autoupdate','autocreate',
                 'directorysrch','usercreation','usermodification',
                 'contacts','defaults','scantron','coursecategories',
-                'serverstatuses','requestcourses','usersessions',
-                'loadbalancing','requestauthor'],$dom);
+                'serverstatuses','requestcourses','helpsettings',
+                'coursedefaults','usersessions','loadbalancing',
+                'requestauthor'],$dom);
     my @prefs_order = ('rolecolors','login','defaults','quotas','autoenroll',
                        'autoupdate','autocreate','directorysrch','contacts',
                        'usercreation','usermodification','scantron',
                        'requestcourses','requestauthor','coursecategories',
-                       'serverstatuses','usersessions');
+                       'serverstatuses','helpsettings',
+                       'coursedefaults','usersessions');
     my %existing;
     if (ref($domconfig{'loadbalancing'}) eq 'HASH') {
         %existing = %{$domconfig{'loadbalancing'}};
@@ -353,6 +355,26 @@ sub handler {
                               col3 => 'Specific IPs',
                             }],
                  },
+        'helpsettings' =>
+                 {text   => 'Help page settings',
+                  help   => 'Domain_Configuration_Help_Settings',
+                  header => [{col1 => 'Help Settings (logged-in users)',
+                              col2 => 'Value'}],
+                 },
+        'coursedefaults' => 
+                 {text => 'Course/Community defaults',
+                  help => 'Domain_Configuration_Course_Defaults',
+                  header => [{col1 => 'Defaults which can be overridden in each course by a CC',
+                              col2 => 'Value',},
+                             {col1 => 'Defaults which can be overridden for each course by a DC',
+                              col2 => 'Value',},],
+                 },
+        'privacy' => 
+                 {text   => 'User Privacy',
+                  help   => 'Domain_Configuration_User_Privacy',
+                  header => [{col1 => 'Setting',
+                              col2 => 'Value',}],
+                 },
         'usersessions' =>
                  {text  => 'User session hosting/offloading',
                   help  => 'Domain_Configuration_User_Sessions',
@@ -395,7 +417,8 @@ sub handler {
     if ($phase eq 'process') {
         &Apache::lonconfigsettings::make_changes($r,$dom,$phase,$context,\@prefs_order,\%prefs,\%domconfig,$confname,\@roles);
     } elsif ($phase eq 'display') {
-        my $js = &recaptcha_js();
+        my $js = &recaptcha_js().
+                 &credits_js();
         if ((keys(%servers) > 1) || (keys(%existing) > 0)) {
             my ($othertitle,$usertypes,$types) =
                 &Apache::loncommon::sorted_inst_types($dom);
@@ -409,12 +432,12 @@ sub handler {
     } else {
 # check if domconfig user exists for the domain.
         my $servadm = $r->dir_config('lonAdmEMail');
-        my ($configuserok,$author_ok,$switchserver) = 
+        my ($configuserok,$author_ok,$switchserver) =
             &config_check($dom,$confname,$servadm);
         unless ($configuserok eq 'ok') {
             &Apache::lonconfigsettings::print_header($r,$phase,$context);
             $r->print(&mt('The domain configuration user "[_1]" has yet to be created.',
-                          $confname).
+                           $confname).
                       '<br />'
             );
             if ($switchserver) {
@@ -513,6 +536,10 @@ sub process_changes {
         $output = &modify_quotas($dom,$action,%domconfig);
     } elsif ($action eq 'requestauthor') {
         $output = &modify_quotas($dom,$action,%domconfig);
+    } elsif ($action eq 'helpsettings') {
+        $output = &modify_helpsettings($r,$dom,$confname,%domconfig);
+    } elsif ($action eq 'coursedefaults') {
+        $output = &modify_coursedefaults($dom,%domconfig);
     } elsif ($action eq 'usersessions') {
         $output = &modify_usersessions($dom,%domconfig);
     } elsif ($action eq 'loadbalancing') {
@@ -543,7 +570,7 @@ sub print_config_box {
     if ($numheaders > 1) {
         my $colspan = '';
         my $rightcolspan = '';
-        if (($action eq 'rolecolors') || ($action eq 'coursecategories') ||
+        if (($action eq 'rolecolors') || ($action eq 'coursecategories') || 
             (($action eq 'login') && ($numheaders < 3))) {
             $colspan = ' colspan="2"';
         }
@@ -582,6 +609,8 @@ sub print_config_box {
             $output .= &print_usersessions('top',$dom,$settings,\$rowtotal); 
         } elsif ($action eq 'rolecolors') {
             $output .= &print_rolecolors($phase,'student',$dom,$confname,$settings,\$rowtotal);
+        } elsif ($action eq 'coursedefaults') {
+            $output .= &print_coursedefaults('top',$dom,$settings,\$rowtotal);
         }
         $output .= '
            </table>
@@ -854,10 +883,11 @@ sub print_login {
     } elsif ($caller eq 'page') {
         my %defaultchecked = ( 
                                'coursecatalog' => 'on',
+                               'helpdesk'      => 'on',
                                'adminmail'     => 'off',
                                'newuser'       => 'off',
                              );
-        my @toggles = ('coursecatalog','adminmail','newuser');
+        my @toggles = ('coursecatalog','adminmail','helpdesk','newuser');
         my (%checkedon,%checkedoff);
         foreach my $item (@toggles) {
             if ($defaultchecked{$item} eq 'on') { 
@@ -1073,6 +1103,7 @@ sub login_choices {
         &Apache::lonlocal::texthash (
             coursecatalog => 'Display Course/Community Catalog link?',
             adminmail     => "Display Administrator's E-mail Address?",
+            helpdesk      => 'Display "Contact Helpdesk" link',
             disallowlogin => "Login page requests redirected",
             hostid        => "Server",
             server        => "Redirect to:",
@@ -1197,7 +1228,7 @@ sub display_color_options {
 
     $datatable .= '<td><span class="LC_nobreak">'.
                   '<input type="text" class="colorchooser" size="10" name="'.$role.'_font"'.
-                  ' value="'.$current_color.'" />&nbsp;'.
+                  ' value="'.$current_color.'" />&nbsp;'. 
                   '&nbsp;</td></tr>';
     unless ($role eq 'login') { 
         $datatable .= '<tr'.$css_class.'>'.
@@ -1207,11 +1238,11 @@ sub display_color_options {
         } else {
             $datatable .= '<td>&nbsp;</td>';
         }
-        $current_color = $designs->{'fontmenu'} ?
-            $designs->{'fontmenu'} : $defaults->{'fontmenu'};
+	$current_color = $designs->{'fontmenu'} ? 
+	    $designs->{'fontmenu'} : $defaults->{'fontmenu'};
         $datatable .= '<td><span class="LC_nobreak">'.
                       '<input class="colorchooser" type="text" size="10" name="'
-                      .$role.'_fontmenu"'.
+		      .$role.'_fontmenu"'.
                       ' value="'.$current_color.'" />&nbsp;'.
                       '&nbsp;</td></tr>';
     }
@@ -1343,7 +1374,7 @@ sub display_color_options {
 
     foreach my $item (@{$bgs}) {
         $datatable .= '<td align="center">';
-        my $color = $designs->{'bgs'}{$item} ? $designs->{'bgs'}{$item} : $defaults->{'bgs'}{$item};
+	my $color = $designs->{'bgs'}{$item} ? $designs->{'bgs'}{$item} : $defaults->{'bgs'}{$item};
         if ($designs->{'bgs'}{$item}) {
             $datatable .= '&nbsp;';
         }
@@ -1369,7 +1400,7 @@ sub display_color_options {
     $datatable .= '<td class="LC_right_item">'.
                   '<table border="0"><tr>';
     foreach my $item (@{$links}) {
-        my $color = $designs->{'link'}{$item} ? $designs->{'link'}{$item} : $defaults->{'links'}{$item};
+	my $color = $designs->{'link'}{$item} ? $designs->{'link'}{$item} : $defaults->{'links'}{$item};
         $datatable .= '<td align="center">'."\n";
 
         if ($designs->{'links'}{$item}) {
@@ -1505,7 +1536,7 @@ sub print_quotas {
     } elsif ($context eq 'requestauthor') {
         @usertools = ('author');
         @options = ('norequest','approval','automatic');
-        %titles = &authorrequest_titles();
+        %titles = &authorrequest_titles(); 
     } else {
         @usertools = ('aboutme','blog','webdav','portfolio');
         %titles = &tool_titles();
@@ -1896,35 +1927,16 @@ sub print_quotas {
 
 sub print_requestmail {
     my ($dom,$action,$settings,$rowtotal) = @_;
-    my ($now,$datatable,%dompersonnel,@domcoord,@currapproval,$rows);
+    my ($now,$datatable,%currapp,$rows);
     $now = time;
-    $rows = 0;
-    %dompersonnel = &Apache::lonnet::get_domain_roles($dom,['dc'],$now,$now);
-    foreach my $server (keys(%dompersonnel)) {
-        foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
-            my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user);
-            if (!grep(/^$uname:$udom$/,@domcoord)) {
-                push(@domcoord,$uname.':'.$udom);
-            }
-        }
-    }
     if (ref($settings) eq 'HASH') {
         if (ref($settings->{'notify'}) eq 'HASH') {
             if ($settings->{'notify'}{'approval'} ne '') {
-               @currapproval = split(',',$settings->{'notify'}{'approval'});
-            }
-        }
-    }
-    if (@currapproval) {
-        foreach my $dc (@currapproval) {
-            unless (grep(/^\Q$dc\E$/,@domcoord)) {
-                push(@domcoord,$dc);
+               map {$currapp{$_}=1;} split(/,/,$settings->{'notify'}{'approval'});
             }
         }
     }
-    @domcoord = sort(@domcoord);
-    my $numinrow = 4;
-    my $numdc = @domcoord;
+    my $numinrow = 2;
     my $css_class = 'class="LC_odd_row"';
     my $text;
     if ($action eq 'requestcourses') {
@@ -1935,42 +1947,12 @@ sub print_requestmail {
     $datatable = '<tr '.$css_class.'>'.
                  ' <td>'.$text.'</td>'.
                  ' <td class="LC_left_item">';
-    if (@domcoord > 0) {
-        $datatable .= '<table>';
-        for (my $i=0; $i<$numdc; $i++) {
-            my $rem = $i%($numinrow);
-            if ($rem == 0) {
-                if ($i > 0) {
-                    $datatable .= '</tr>';
-                }
-                $datatable .= '<tr>';
-                $rows ++;
-            }
-            my $check = ' ';
-            if (grep(/^\Q$domcoord[$i]\E$/,@currapproval)) {
-                $check = ' checked="checked" ';
-            }
-            my ($uname,$udom) = split(':',$domcoord[$i]);
-            my $fullname = &Apache::loncommon::plainname($uname,$udom);
-            if ($i == $numdc-1) {
-                my $colsleft = $numinrow-$rem;
-                if ($colsleft > 1) {
-                    $datatable .= '<td colspan="'.$colsleft.'" class="LC_left_item">';
-                } else {
-                    $datatable .= '<td class="LC_left_item">';
-                }
-            } else {
-                $datatable .= '<td class="LC_left_item">';
-            }
-            $datatable .= '<span class="LC_nobreak"><label>'.
-                          '<input type="checkbox" name="reqapprovalnotify" '.
-                          'value="'.$domcoord[$i].'"'.$check.'/>'.
-                          $fullname.' ('.$uname.':'.$udom.')</label></span></td>';
-        }
-        $datatable .= '</tr></table>';
+    my ($numdc,$table,$rows) = &active_dc_picker($dom,$numinrow,'checkbox',
+                                                 'reqapprovalnotify',%currapp);
+    if ($numdc > 0) {
+        $datatable .= $table;
     } else {
         $datatable .= &mt('There are no active Domain Coordinators');
-        $rows ++;
     }
     $datatable .='</td></tr>';
     $$rowtotal += $rows;
@@ -2125,8 +2107,7 @@ sub print_autoupdate {
 
 sub print_autocreate {
     my ($dom,$settings,$rowtotal) = @_;
-    my (%createon,%createoff);
-    my $curr_dc;
+    my (%createon,%createoff,%currhash);
     my @types = ('xml','req');
     if (ref($settings) eq 'HASH') {
         foreach my $item (@types) {
@@ -2139,7 +2120,9 @@ sub print_autocreate {
                 }
             }
         }
-        $curr_dc = $settings->{'xmldc'};
+        if ($settings->{'xmldc'} ne '') { 
+            $currhash{$settings->{'xmldc'}} = 1;
+        }
     } else {
         foreach my $item (@types) {
             $createoff{$item} = ' checked="checked" ';
@@ -2147,6 +2130,7 @@ sub print_autocreate {
         }
     }
     $$rowtotal += 2;
+    my $numinrow = 2;
     my $datatable='<tr class="LC_odd_row">'.
                   '<td>'.&mt('Create pending official courses from XML files').'</td>'.
                   '<td class="LC_right_item"><span class="LC_nobreak"><label>'.
@@ -2161,15 +2145,16 @@ sub print_autocreate {
                   $createon{'req'}.' value="1" />'.&mt('Yes').'</label>&nbsp;'.
                   '<label><input type="radio" name="autocreate_req"'.
                   $createoff{'req'}.' value="0" />'.&mt('No').'</label></span>';
-    my ($numdc,$dctable) = &active_dc_picker($dom,$curr_dc);
+    my ($numdc,$dctable,$rows) = &active_dc_picker($dom,$numinrow,'radio',
+                                                   'autocreate_xmldc',%currhash);
     if ($numdc > 1) {
         $datatable .= '</td></tr><tr class="LC_odd_row"><td>'.
                       &mt('Course creation processed as: (choose Dom. Coord.)').
                       '</td><td class="LC_left_item">'.$dctable.'</td></tr>';
-        $$rowtotal ++ ;
     } else {
         $datatable .= $dctable.'</td></tr>';
     }
+    $$rowtotal += $rows;
     return $datatable;
 }
 
@@ -2292,7 +2277,7 @@ sub print_contacts {
     my @contacts = ('adminemail','supportemail');
     my (%checked,%to,%otheremails,%bccemails);
     my @mailings = ('errormail','packagesmail','lonstatusmail','helpdeskmail',
-                    'requestsmail');
+                    'requestsmail','updatesmail');
     foreach my $type (@mailings) {
         $otheremails{$type} = '';
     }
@@ -2328,6 +2313,7 @@ sub print_contacts {
         $checked{'helpdeskmail'}{'supportemail'} = ' checked="checked" ';
         $checked{'lonstatusmail'}{'adminemail'} = ' checked="checked" '; 
         $checked{'requestsmail'}{'adminemail'} = ' checked="checked" ';
+        $checked{'updatesmail'}{'adminemail'} = ' checked="checked" ';
     }
     my ($titles,$short_titles) = &contact_titles();
     my $rownum = 0;
@@ -2387,7 +2373,8 @@ sub print_helpsettings {
 }
 
 sub radiobutton_prefs {
-    my ($settings,$toggles,$defaultchecked,$choices,$itemcount) = @_;
+    my ($settings,$toggles,$defaultchecked,$choices,$itemcount,$onclick,
+        $additional) = @_;
     return unless ((ref($toggles) eq 'ARRAY') && (ref($defaultchecked) eq 'HASH') &&
                    (ref($choices) eq 'HASH'));
 
@@ -2413,17 +2400,22 @@ sub radiobutton_prefs {
             }
         }
     }
+    if ($onclick) {
+        $onclick = ' onclick="'.$onclick.'"';
+    }
     foreach my $item (@{$toggles}) {
         $css_class = $itemcount%2?' class="LC_odd_row"':'';
         $datatable .=
-            '<tr'.$css_class.'><td><span class="LC_nobreak">'.$choices->{$item}.
+            '<tr'.$css_class.'><td valign="top">'.
+            '<span class="LC_nobreak">'.$choices->{$item}.
             '</span></td>'.
             '<td class="LC_right_item"><span class="LC_nobreak">'.
             '<label><input type="radio" name="'.
-            $item.'" '.$checkedon{$item}.' value="1" />'.&mt('Yes').
+            $item.'" '.$checkedon{$item}.' value="1"'.$onclick.' />'.&mt('Yes').
             '</label>&nbsp;<label><input type="radio" name="'.$item.'" '.
-            $checkedoff{$item}.' value="0" />'.&mt('No').'</label>'.
-            '</span></td>'.
+            $checkedoff{$item}.' value="0"'.$onclick.' />'.&mt('No').'</label>'.
+            '</span>'.$additional.
+            '</td>'.
             '</tr>';
         $itemcount ++;
     }
@@ -2432,28 +2424,31 @@ sub radiobutton_prefs {
 
 sub print_coursedefaults {
     my ($position,$dom,$settings,$rowtotal) = @_;
-    my ($css_class,$datatable);
+    my ($css_class,$datatable,%checkedon,%checkedoff,%defaultchecked,@toggles);
     my $itemcount = 1;
+    my %choices =  &Apache::lonlocal::texthash (
+        canuse_pdfforms      => 'Course/Community users can create/upload PDF forms',
+        anonsurvey_threshold => 'Responder count needed before showing submissions for anonymous surveys',
+        coursecredits        => 'Credits can be specified for courses',
+    );
     if ($position eq 'top') {
-        my (%checkedon,%checkedoff,%choices,%defaultchecked,@toggles);
-        %choices =
-            &Apache::lonlocal::texthash (
-                canuse_pdfforms => 'Course/Community users can create/upload PDF forms',
-        );
         %defaultchecked = ('canuse_pdfforms' => 'off');
-        @toggles = ('canuse_pdfforms',);
+        @toggles = ('canuse_pdfforms');
         ($datatable,$itemcount) = &radiobutton_prefs($settings,\@toggles,\%defaultchecked,
                                                  \%choices,$itemcount);
-        $$rowtotal += $itemcount;
     } else {
         $css_class = $itemcount%2 ? ' class="LC_odd_row"' : '';
-        my %choices =
-            &Apache::lonlocal::texthash (
-                anonsurvey_threshold => 'Responder count needed before showing submissions for anonymous surveys',
-        );
-        my $currdefresponder;
+        my ($currdefresponder,$def_official_credits,$def_unofficial_credits);
+        my $currusecredits = 0;
         if (ref($settings) eq 'HASH') {
             $currdefresponder = $settings->{'anonsurvey_threshold'};
+            if (ref($settings->{'coursecredits'}) eq 'HASH') {
+                $def_official_credits = $settings->{'coursecredits'}->{'official'};
+                $def_unofficial_credits = $settings->{'coursecredits'}->{'unofficial'};
+                if (($def_official_credits ne '') || ($def_unofficial_credits ne '')) {
+                    $currusecredits = 1;
+                }
+            }
         }
         if (!$currdefresponder) {
             $currdefresponder = 10;
@@ -2461,13 +2456,41 @@ sub print_coursedefaults {
             $currdefresponder = 1;
         }
         $datatable .=
-               '<tr'.$css_class.'><td><span class="LC_nobreak">'.$choices{'anonsurvey_threshold'}.
+                '<tr'.$css_class.'><td><span class="LC_nobreak">'.
+                $choices{'anonsurvey_threshold'}.
                 '</span></td>'.
                 '<td class="LC_right_item"><span class="LC_nobreak">'.
                 '<input type="text" name="anonsurvey_threshold"'.
                 ' value="'.$currdefresponder.'" size="5" /></span>'.
-                '</td></tr>';
+                '</td></tr>'."\n";
+        $itemcount ++;
+        my $onclick = 'toggleCredits(this.form);';
+        my $display = 'none';  
+        if ($currusecredits) {
+            $display = 'block';
+        }
+        my $additional = '<div id="credits" style="display: '.$display.'">'.
+                         '<span class="LC_nobreak">'.
+                         &mt('Default credits for official courses [_1]',
+                         '<input type="text" name="official_credits" value="'.
+                         $def_official_credits.'" size="3" />').
+                         '</span><br />'.
+                         '<span class="LC_nobreak">'.
+                         &mt('Default credits for unofficial courses [_1]',
+                         '<input type="text" name="unofficial_credits" value="'.
+                         $def_unofficial_credits.'" size="3" />').
+                         '</span></div>'."\n";
+        %defaultchecked = ('coursecredits' => 'off');
+        @toggles = ('coursecredits');
+        my $current = {
+                        'coursecredits' => $currusecredits,
+                      };
+        (my $table,$itemcount) =
+            &radiobutton_prefs($current,\@toggles,\%defaultchecked,
+                               \%choices,$itemcount,$onclick,$additional);
+        $datatable .= $table;
     }
+    $$rowtotal += $itemcount;
     return $datatable;
 }
 
@@ -2928,7 +2951,7 @@ sub print_loadbalancing {
                       '<td rowspan="'.$rownum.'" valign="top">'.
                       '<p>';
         if ($lonhost eq '') {
-            $datatable .= '<span class="LC_nobreak">';
+            $datatable .= '<span class="LC_nobreak">'; 
             if (keys(%currbalancer) > 0) {
                 $datatable .= &mt('Add balancer:');
             } else {
@@ -2944,7 +2967,7 @@ sub print_loadbalancing {
                 next if ($currbalancer{$server});
                 $datatable .= '<option value="'.$server.'">'.$server.'</option>'."\n";
             }
-            $datatable .=
+            $datatable .= 
                 '</select>'."\n".
                 '<input type="hidden" name="loadbalancing_prevlonhost_'.$balnum.'" id="loadbalancing_prevlonhost_'.$balnum.'" value="" />&nbsp;</span>'."\n";
         } else {
@@ -2983,7 +3006,7 @@ sub print_loadbalancing {
                 if (exists($currbalancer{$spares[$i]})) {
                     $disabled = ' disabled="disabled"';
                 }
-                $targettable .=
+                $targettable .= 
                     '<td><label><input type="checkbox" name="loadbalancing_target_'.$balnum.'_'.$sparetype.'"'.
                     $checked.$disabled.' value="'.$chkboxval.'" id="loadbalancing_target_'.$balnum.'_'.$sparetype.'_'.$i.'" onclick="checkOffloads('."this,'$balnum','$sparetype'".');" /><span id="loadbalancing_targettxt_'.$balnum.'_'.$sparetype.'_'.$i.'">&nbsp;'.$chkboxval.
                     '</span></label></td>';
@@ -3067,7 +3090,7 @@ sub loadbalancing_rules {
         $css_class,$balnum,$islast) = @_;
     my $output;
     my $num = 0;
-    my ($alltypes,$othertypes,$titles) =
+    my ($alltypes,$othertypes,$titles) = 
         &loadbalancing_titles($dom,$intdom,$usertypes,$types);
     if ((ref($alltypes) eq 'ARRAY') && (ref($titles) eq 'HASH'))  {
         foreach my $type (@{$alltypes}) {
@@ -3139,7 +3162,7 @@ sub loadbalance_rule_row {
     if ($islast && $num == 1) {
         $space = '<div display="inline-block">&nbsp;</div>';
     }
-    my $output =
+    my $output = 
         '<tr class="'.$css_class.'" id="balanceruletr_'.$balnum.'_'.$num.'"><td valign="top">'.$space.
         '<div id="balanceruletitle_'.$balnum.'_'.$type.'" style="'.$style.'">'.$title.'</div></td>'."\n".
         '<td valaign="top">'.$space.
@@ -3159,7 +3182,7 @@ sub loadbalance_rule_row {
                 unless ($checked) {
                     $default = ' selected="selected"';
                 }
-                $extra =
+                $extra = 
                     ':&nbsp;<select name="loadbalancing_singleserver_'.$balnum.'_'.$type.
                     '" id="loadbalancing_singleserver_'.$balnum.'_'.$type.
                     '" onchange="singleServerToggle('."'$balnum','$type'".')">'."\n".
@@ -3218,6 +3241,7 @@ sub contact_titles {
                    'helpdeskmail' => 'Helpdesk requests to be e-mailed to',
                    'lonstatusmail' => 'E-mail from nightly status check (warnings/errors)',
                    'requestsmail' => 'E-mail from course requests requiring approval',
+                   'updatesmail'  => 'E-mail from nightly check of LON-CAPA module integrity/updates',
                  );
     my %short_titles = &Apache::lonlocal::texthash (
                            adminemail   => 'Admin E-mail address',
@@ -3260,12 +3284,12 @@ sub authorrequest_titles {
                                    automatic  => 'Automatic approval',
                  );
     return %titles;
-}
+} 
 
 sub courserequest_conditions {
     my %conditions = &Apache::lonlocal::texthash (
        approval    => '(Processing of request subject to approval by Domain Coordinator).',
-       validate   => '(Processing of request subject to instittutional validation).',
+       validate   => '(Processing of request subject to institutional validation).',
                  );
     return %conditions;
 }
@@ -3499,9 +3523,9 @@ sub captcha_choice {
 #
 # Note: If reCAPTCHA is to be used for LON-CAPA servers in a domain, a domain coordinator should visit:
 # https://www.google.com/recaptcha and generate a Public and Private key. For domains with multiple
-# servers a single key pair will be used for all servers, so the internet domain (e.g., yourcollege.edu)
+# servers a single key pair will be used for all servers, so the internet domain (e.g., yourcollege.edu) 
 # specified for use with the key should be broad enough to accommodate all servers in the LON-CAPA domain.
-#
+#  
     $output .= '</td></tr>'."\n".
                '<tr><td>'."\n".
                '<span class="LC_nobreak"><span id="'.$context.'_recaptchapubtxt">'.$pubtext.'</span>&nbsp;'."\n".
@@ -4180,7 +4204,7 @@ sub print_serverstatuses {
 
 sub serverstatus_pages {
     return ('userstatus','lonstatus','loncron','server-status','codeversions',
-            'clusterstatus','metadata_keywords','metadata_harvest',
+            'checksums','clusterstatus','metadata_keywords','metadata_harvest',
             'takeoffline','takeonline','showenv','toggledebug','ping','domconf');
 }
 
@@ -4635,6 +4659,7 @@ sub modify_login {
         %curr_loginvia,%loginhash,@currlangs,@newlangs,$addedfile,%title,@offon);
     %title = ( coursecatalog => 'Display course catalog',
                adminmail => 'Display administrator E-mail address',
+               helpdesk  => 'Display "Contact Helpdesk" link',
                newuser => 'Link for visitors to create a user account',
                loginheader => 'Log-in box header');
     @offon = ('off','on');
@@ -4647,7 +4672,7 @@ sub modify_login {
     }
     ($errors,%colchanges) = &modify_colors($r,$dom,$confname,['login'],
                                            \%domconfig,\%loginhash);
-    my @toggles = ('coursecatalog','adminmail','newuser');
+    my @toggles = ('coursecatalog','adminmail','helpdesk','newuser');
     foreach my $item (@toggles) {
         $loginhash{login}{$item} = $env{'form.'.$item};
     }
@@ -4809,7 +4834,7 @@ sub modify_login {
                     } else {
                         my $puberror = &mt("Upload of [_1] failed because an error occurred publishing the file in RES space. Error was: [_2].",$newfile{$lang},$result);
                         $errors .= '<li><span class="LC_error">'.$puberror.'</span></li>';
-                        if ((grep(/^\Q$lang\E$/,@currlangs)) &&
+                        if ((grep(/^\Q$lang\E$/,@currlangs)) && 
                             (!grep(/^\Q$lang\E$/,@delurls))) {
 
                             $loginhash{'login'}{'helpurl'}{$lang} = $domconfig{'login'}{'helpurl'}{$lang};
@@ -4835,9 +4860,10 @@ sub modify_login {
     my $putresult = &Apache::lonnet::put_dom('configuration',\%loginhash,
                                              $dom);
     if ($putresult eq 'ok') {
-        my @toggles = ('coursecatalog','adminmail','newuser');
+        my @toggles = ('coursecatalog','adminmail','helpdesk','newuser');
         my %defaultchecked = (
                     'coursecatalog' => 'on',
+                    'helpdesk'      => 'on',
                     'adminmail'     => 'off',
                     'newuser'       => 'off',
         );
@@ -4925,7 +4951,7 @@ sub modify_login {
                     }
                 } elsif ($item eq 'captcha') {
                     if (ref($loginhash{'login'}) eq 'HASH') {
-                        my $chgtxt;
+                        my $chgtxt; 
                         if ($loginhash{'login'}{$item} eq 'notused') {
                             $chgtxt .= &mt('No CAPTCHA validation in use for helpdesk form.');
                         } else {
@@ -5403,7 +5429,7 @@ sub publishlogo {
 # See if there is anything left
     unless ($fname) { return ('error: no uploaded file'); }
     $fname="$subdir/$fname";
-    my $docroot=$r->dir_config('lonDocRoot');
+    my $docroot=$r->dir_config('lonDocRoot'); 
     my $filepath="$docroot/priv";
     my $relpath = "$dom/$confname";
     my ($fnamepath,$file,$fetchthumb);
@@ -5411,7 +5437,7 @@ sub publishlogo {
     if ($fname=~m|/|) {
         ($fnamepath,$file) = ($fname =~ m|^(.*)/([^/]+)$|);
     }
-    my @parts=split(/\//,"$filepath/$relpath/$fnamepath");  
+    my @parts=split(/\//,"$filepath/$relpath/$fnamepath");
     my $count;
     for ($count=5;$count<=$#parts;$count++) {
         $filepath.="/$parts[$count]";
@@ -5677,7 +5703,7 @@ sub modify_quotas {
         %limithash,$toolregexp,%conditions,$resulttext,%changes);
     if ($action eq 'quotas') {
         $context = 'tools'; 
-    } else { 
+    } else {
         $context = $action;
     }
     if ($context eq 'requestcourses') {
@@ -5867,7 +5893,7 @@ sub modify_quotas {
             &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
 
             $resulttext = &mt('Changes made:').'<ul>';
-            unless (($context eq 'requestcourses') ||
+            unless (($context eq 'requestcourses') || 
                     ($context eq 'requestauthor')) {
                 if (ref($changes{'defaultquota'}) eq 'HASH') {
                     $resulttext .= '<li>'.&mt('Portfolio default quotas').'<ul>';
@@ -5888,7 +5914,7 @@ sub modify_quotas {
                 my (%haschgs,%inconf);
                 if ($context eq 'requestauthor') {
                     %haschgs = %changes;
-                    %inconf = %confhash;
+                    %inconf = %confhash; 
                 } else {
                     if (ref($changes{$item}) eq 'HASH') {
                         %haschgs = %{$changes{$item}};
@@ -5902,7 +5928,7 @@ sub modify_quotas {
                         &Apache::lonnet::usertools_access($env{'user.name'},
                                                           $env{'user.domain'},
                                                           $item,'reload',$context);
-                    if (($context eq 'requestcourses') ||
+                    if (($context eq 'requestcourses') || 
                         ($context eq 'requestauthor')) {
                         if ($env{'environment.canrequest.'.$item} ne $newacc) {
                             $newenv{'environment.canrequest.'.$item} = $newacc;
@@ -6468,7 +6494,7 @@ sub modify_directorysrch {
                         } else {
                             $chgtext =~ s/\; $//;
                         }
-                        $resulttext .=
+                        $resulttext .= 
                             '<li>'.
                             &mt("Users from domain '[_1]' permitted to search the institutional directory set to: [_2]",
                                 '<span class="LC_cusr_emph">'.$dom.'</span>',$chgtext).
@@ -6524,7 +6550,7 @@ sub modify_contacts {
     my (%others,%to,%bcc);
     my @contacts = ('supportemail','adminemail');
     my @mailings = ('errormail','packagesmail','helpdeskmail','lonstatusmail',
-                    'requestsmail');
+                    'requestsmail','updatesmail');
     foreach my $type (@mailings) {
         @{$newsetting{$type}} = 
             &Apache::loncommon::get_env_multiple('form.'.$type);
@@ -6580,6 +6606,7 @@ sub modify_contacts {
         $default{'helpdeskmail'} = 'supportemail';
         $default{'lonstatusmail'} = 'adminemail';
         $default{'requestsmail'} = 'adminemail';
+        $default{'updatesmail'} = 'adminemail';
         foreach my $item (@contacts) {
            if ($to{$item} ne $default{$item}) {
               $changes{$item} = 1;
@@ -6934,7 +6961,7 @@ sub modify_usercreation {
                             if ($captchas{$cancreate{$type}}) {
                                 $chgtext .= &mt("Validation for self-creation screen set to $captchas{$cancreate{$type}}.");
                             } else {
-                                $chgtext .= &mt('Validation for self-creation screen set to unknown type.');
+                                $chgtext .= &mt('Validation for self-creation screen set to unknown type.'); 
                             }
                         }
                     } elsif ($type eq 'recaptchakeys') {
@@ -7062,7 +7089,7 @@ sub process_captcha {
         $newsettings->{'captcha'} = 'original';
     }
     if ($current->{'captcha'} ne $newsettings->{'captcha'}) {
-        if ($container eq 'cancreate') {
+        if ($container eq 'cancreate') { 
             if (ref($changes->{'cancreate'}) eq 'ARRAY') {
                 push(@{$changes->{'cancreate'}},'captcha');
             } elsif (!defined($changes->{'cancreate'})) {
@@ -7101,7 +7128,7 @@ sub process_captcha {
                 $changes->{'cancreate'} = ['recaptchakeys'];
             }
         } else {
-            $changes->{'recaptchakeys'} = 1;
+            $changes->{'recaptchakeys'} = 1; 
         }
     }
     return;
@@ -7785,8 +7812,8 @@ sub modify_helpsettings {
                 } elsif ($domconfig{'helpsettings'}{$item} ne $env{'form.'.$item}) {
                     $changes{$item} = 1;
                 }
-	    }
-            if (($env{'form.'.$item} eq '0') || ($env{'form.'.$item} eq '1')) {
+            }
+            if (($env{'form.'.$item} eq '0') || ($env{'form.'.$item} eq '1')) { 
                 $helphash{'helpsettings'}{$item} = $env{'form.'.$item};
             }
         }
@@ -7822,7 +7849,6 @@ sub modify_coursedefaults {
     my ($dom,%domconfig) = @_;
     my ($resulttext,$errors,%changes,%defaultshash);
     my %defaultchecked = ('canuse_pdfforms' => 'off');
-    my @offon = ('off','on');
     my @toggles = ('canuse_pdfforms');
 
     $defaultshash{'coursedefaults'} = {};
@@ -7839,7 +7865,7 @@ sub modify_coursedefaults {
                 if (($domconfig{'coursedefaults'}{$item} eq '') &&
                     ($env{'form.'.$item} eq '0')) {
                     $changes{$item} = 1;
-                } elsif ($domconfig{'coursdefaults'}{$item} ne $env{'form.'.$item}) {
+                } elsif ($domconfig{'coursedefaults'}{$item} ne $env{'form.'.$item}) {
                     $changes{$item} = 1;
                 }
             } elsif ($defaultchecked{$item} eq 'off') {
@@ -7864,14 +7890,42 @@ sub modify_coursedefaults {
                 $changes{'anonsurvey_threshold'} = 1;
             }
         }
+        my $officialcreds = $env{'form.official_credits'};
+        $officialcreds =~ s/^[^\d\.]//g;
+        my $unofficialcreds = $env{'form.unofficial_credits'};
+        $unofficialcreds =~ s/^[^\d\.]//g;
+        if (ref($domconfig{'coursedefaults'}{'coursecredits'} ne 'HASH') &&
+                ($env{'form.coursecredits'} eq '1')) {
+                $changes{'coursecredits'} = 1;
+        } else {
+            if (($domconfig{'coursedefaults'}{'coursecredits'}{'official'} ne $officialcreds)  ||
+                ($domconfig{'coursedefaults'}{'coursecredits'}{'unofficial'} ne $unofficialcreds)) {
+                $changes{'coursecredits'} = 1;
+            }
+        }
+        $defaultshash{'coursedefaults'}{'coursecredits'} = {
+            official   => $officialcreds,
+            unofficial => $unofficialcreds,
+        }
     }
     my $putresult = &Apache::lonnet::put_dom('configuration',\%defaultshash,
                                              $dom);
     if ($putresult eq 'ok') {
+        my %domdefaults;
         if (keys(%changes) > 0) {
-            if ($changes{'canuse_pdfforms'}) {
-                my %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
-                $domdefaults{'canuse_pdfforms'}=$defaultshash{'coursedefaults'}{'canuse_pdfforms'};
+            if (($changes{'canuse_pdfforms'}) || ($changes{'coursecredits'})) {
+                %domdefaults = &Apache::lonnet::get_domain_defaults($dom);
+                if ($changes{'canuse_pdfforms'}) {
+                    $domdefaults{'canuse_pdfforms'}=$defaultshash{'coursedefaults'}{'canuse_pdfforms'};
+                }
+                if ($changes{'coursecredits'}) {
+                    if (ref($defaultshash{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
+                        $domdefaults{'officialcredits'} =
+                            $defaultshash{'coursedefaults'}{'coursecredits'}{'official'};
+                        $domdefaults{'unofficialcredits'} =
+                            $defaultshash{'coursedefaults'}{'coursecredits'}{'unofficial'};
+                    }
+                }
                 my $cachetime = 24*60*60;
                 &Apache::lonnet::do_cache_new('domdefaults',$dom,\%domdefaults,$cachetime);
             }
@@ -7884,7 +7938,22 @@ sub modify_coursedefaults {
                         $resulttext .= '<li>'.&mt('Course/Community users can create/upload PDF forms set to "off"').'</li>';
                     }
                 } elsif ($item eq 'anonsurvey_threshold') {
-                        $resulttext .= '<li>'.&mt('Responder count required for display of anonymous survey submissions set to [_1].',$defaultshash{'coursedefaults'}{'anonsurvey_threshold'}).'</li>';
+                    $resulttext .= '<li>'.&mt('Responder count required for display of anonymous survey submissions set to [_1].',$defaultshash{'coursedefaults'}{'anonsurvey_threshold'}).'</li>';
+                } elsif ($item eq 'coursecredits') {
+                    if (ref($defaultshash{'coursedefaults'}{'coursecredits'}) eq 'HASH') {
+                        if (($domdefaults{'officialcredits'} eq '') &&
+                            ($domdefaults{'unofficialcredits'} eq '')) {
+                            $resulttext .= '<li>'.&mt('Student credits not in use for courses in this domain').'</li>';
+                        } else {
+                            $resulttext .= '<li>'.&mt('Student credits can be set per course by a Domain Coordinator, with the following defaults applying:').'<ul>'.
+                                           '<li>'.&mt('Official courses: [_1]',$defaultshash{'coursedefaults'}{'coursecredits'}{'official'}).'</li>'.
+                                           '<li>'.&mt('Unofficial courses: [_1]',$defaultshash{'coursedefaults'}{'coursecredits'}{'unofficial'}).'</li>'.
+                                           '</ul>'.
+                                           '</li>';
+                        }
+                    } else {
+                        $resulttext .= '<li>'.&mt('Student credits not in use for courses in this domain').'</li>';
+                    }
                 }
             }
             $resulttext .= '</ul>';
@@ -8193,7 +8262,7 @@ sub modify_loadbalancing {
         if ($balancer eq '') {
             next;
         }
-        if (!exists($servers{$balancer})) {
+        if (!exists($servers{$balancer})) { 
             if (exists($currbalancer{$balancer})) {
                 push(@{$changes{'delete'}},$balancer);
             }
@@ -8244,14 +8313,14 @@ sub modify_loadbalancing {
             }
         } else {
             if (ref($defaultshash{'loadbalancing'}{$balancer}) eq 'HASH') {
-                foreach my $sparetype (@sparestypes) {
+                foreach my $sparetype (@sparestypes) { 
                     if (ref($defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}) eq 'ARRAY') {
                         if (@{$defaultshash{'loadbalancing'}{$balancer}{'targets'}{$sparetype}} > 0) {
                             $changes{'curr'}{$balancer}{'targets'} = 1;
                         }
                     }
                 }
-            }
+            }  
         }
         my $ishomedom;
         if (&Apache::lonnet::host_domain($balancer) eq $dom) {
@@ -8260,7 +8329,7 @@ sub modify_loadbalancing {
         if (ref($alltypes) eq 'ARRAY') {
             foreach my $type (@{$alltypes}) {
                 my $rule;
-                unless ((($type eq '_LC_external') || ($type eq '_LC_internetdom')) &&
+                unless ((($type eq '_LC_external') || ($type eq '_LC_internetdom')) && 
                          (!$ishomedom)) {
                     $rule = $env{'form.loadbalancing_rules_'.$i.'_'.$type};
                 }
@@ -8285,7 +8354,7 @@ sub modify_loadbalancing {
         }
         my $putresult = &Apache::lonnet::put_dom('configuration',
                                                  \%defaultshash,$dom);
-
+ 
         if ($putresult eq 'ok') {
             if (keys(%changes) > 0) {
                 if (ref($changes{'delete'}) eq 'ARRAY') {
@@ -8295,7 +8364,7 @@ sub modify_loadbalancing {
                     }
                 }
                 if (ref($changes{'add'}) eq 'ARRAY') {
-                    foreach my $balancer (sort(@{$changes{'add'}})) {
+                    foreach my $balancer (sort(@{$changes{'add'}})) {   
                         $resulttext .= '<li>'.&mt('Load Balancing enabled for: [_1]',$balancer);
                     }
                 }
@@ -8341,7 +8410,7 @@ sub modify_loadbalancing {
                                         } else {
                                             $balancetext = &mt('offload to [_1]',$defaultshash{'loadbalancing'}{$balancer}{'rules'}{$type});
                                         }
-                                        $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- balancing for [_2] set to - "[_3]"',$balancer,$titles->{$type},$balancetext).'</li>'; 
+                                        $resulttext .= '<li>'.&mt('Load Balancer: [_1] -- balancing for [_2] set to - "[_3]"',$balancer,$titles->{$type},$balancetext).'</li>';     
                                     }
                                 }
                             }
@@ -8401,7 +8470,7 @@ sub recurse_cat_deletes {
                 delete($coursecategories->{$subitem});
                 $deletions->{$subitem} = 1;
                 &recurse_cat_deletes($subitem,$coursecategories,$deletions);
-            }  
+            }
         }
     }
     return;
@@ -8409,73 +8478,94 @@ sub recurse_cat_deletes {
 
 sub get_active_dcs {
     my ($dom) = @_;
-    my %dompersonnel = &Apache::lonnet::get_domain_roles($dom,['dc']);
+    my $now = time;
+    my %dompersonnel = &Apache::lonnet::get_domain_roles($dom,['dc'],$now,$now);
     my %domcoords;
     my $numdcs = 0;
-    my $now = time;
     foreach my $server (keys(%dompersonnel)) {
         foreach my $user (sort(keys(%{$dompersonnel{$server}}))) {
             my ($trole,$uname,$udom,$runame,$rudom,$rsec) = split(/:/,$user);
-            my ($end,$start) = split(':',$dompersonnel{$server}{$user});
-            if (($end eq '') || ($end == 0) || ($end > $now)) {
-                if ($start <= $now) {
-                    $domcoords{$uname.':'.$udom} = $dompersonnel{$server}{$user};
-                }
-            }
+            $domcoords{$uname.':'.$udom} = $dompersonnel{$server}{$user};
         }
     }
     return %domcoords;
 }
 
 sub active_dc_picker {
-    my ($dom,$curr_dc) = @_;
+    my ($dom,$numinrow,$inputtype,$name,%currhash) = @_;
     my %domcoords = &get_active_dcs($dom); 
-    my @dcs = sort(keys(%domcoords));
-    my $numdcs = scalar(@dcs); 
-    my $datatable;
-    my $numinrow = 2;
+    my @domcoord = keys(%domcoords);
+    if (keys(%currhash)) {
+        foreach my $dc (keys(%currhash)) {
+            unless (exists($domcoords{$dc})) {
+                push(@domcoord,$dc);
+            }
+        }
+    }
+    @domcoord = sort(@domcoord);
+    my $numdcs = scalar(@domcoord); 
+    my $rows = 0;
+    my $table;
     if ($numdcs > 1) {
-        $datatable = '<table>';
-        for (my $i=0; $i<@dcs; $i++) {
+        $table = '<table>';
+        for (my $i=0; $i<@domcoord; $i++) {
             my $rem = $i%($numinrow);
             if ($rem == 0) {
                 if ($i > 0) {
-                    $datatable .= '</tr>';
+                    $table .= '</tr>';
                 }
-                $datatable .= '<tr>';
+                $table .= '<tr>';
+                $rows ++;
             }
-            my $check = ' ';
-            if ($curr_dc eq '') {
-                if (!$i) { 
-                    $check = ' checked="checked" ';
+            my $check = '';
+            if ($inputtype eq 'radio') {
+                if (keys(%currhash) == 0) {
+                    if (!$i) {
+                        $check = ' checked="checked"';
+                    }
+                } elsif (exists($currhash{$domcoord[$i]})) {
+                    $check = ' checked="checked"';
+                }
+            } else {
+                if (exists($currhash{$domcoord[$i]})) {
+                    $check = ' checked="checked"';
                 }
-            } elsif ($dcs[$i] eq $curr_dc) {
-                $check = ' checked="checked" ';
             }
-            if ($i == @dcs - 1) {
+            if ($i == @domcoord - 1) {
                 my $colsleft = $numinrow - $rem;
                 if ($colsleft > 1) {
-                    $datatable .= '<td colspan="'.$colsleft.'">';
+                    $table .= '<td class="LC_left_item" colspan="'.$colsleft.'">';
                 } else {
-                    $datatable .= '<td>';
+                    $table .= '<td class="LC_left_item">';
                 }
             } else {
-                $datatable .= '<td>';
+                $table .= '<td class="LC_left_item">';
+            }
+            my ($dcname,$dcdom) = split(':',$domcoord[$i]);
+            my $user = &Apache::loncommon::plainname($dcname,$dcdom);
+            $table .= '<span class="LC_nobreak"><label>'.
+                      '<input type="'.$inputtype.'" name="'.$name.'"'.
+                      ' value="'.$domcoord[$i].'"'.$check.' />'.$user;
+            if ($user ne $dcname.':'.$dcdom) {
+                $table .=  ' ('.$dcname.':'.$dcdom.')'.
+                           '</label></span></td>';
             }
-            my ($dcname,$dcdom) = split(':',$dcs[$i]);
-            $datatable .= '<span class="LC_nobreak"><label>'.
-                          '<input type="radio" name="autocreate_xmldc"'.
-                          ' value="'.$dcs[$i].'"'.$check.'/>'.
-                          &Apache::loncommon::plainname($dcname,$dcdom).
-                          ' ('.$dcname.':'.$dcdom.')'.
-                          '</label></span></td>';
         }
-        $datatable .= '</tr></table>';
-    } elsif (@dcs) {
-        $datatable .= '<input type="hidden" name="autocreate_dc" value="'.
-                      $dcs[0].'" />';
+        $table .= '</tr></table>';
+    } elsif ($numdcs == 1) {
+        if ($inputtype eq 'radio') {
+            $table .= '<input type="hidden" name="'.$name.'" value="'.$domcoord[0].'" />';
+        } else {
+            my $check;
+            if (exists($currhash{$domcoord[0]})) {
+                $check = ' checked="checked"';
+            }
+            $table .= '<input type="checkbox" name="'.$name.'" '.
+                      'value="'.$domcoord[0].'"'.$check.' />';
+            $rows ++;
+        }
     }
-    return ($numdcs,$datatable);
+    return ($numdcs,$table,$rows);
 }
 
 sub usersession_titles {
@@ -8547,7 +8637,7 @@ sub lonbalance_targets_js {
     }
     &get_loadbalancers_config($servers,\%existing,\%currbalancer,
                               \%currtargets,\%currrules);
-    my $balancers = join("','",sort(keys(%currbalancer)));
+    my $balancers = join("','",sort(keys(%currbalancer))); 
     return <<"END";
 
 <script type="text/javascript">
@@ -8630,12 +8720,12 @@ function showSpares(balancer,ishomedom,b
             var item = document.getElementById('loadbalancing_singleserver_'+balnum+'_'+insttypes[k]);
             item.options.length = 0;
             item.options[0] = new Option("","",true,true);
-            var idx = 0;
+            var idx = 0;  
             for (var m=0; m<alltargets.length; m++) {
                 if ((currBalancers.indexOf(alltargets[m]) == -1) && (alltargets[m] != balancer)) {
                     idx ++;
                     item.options[idx] = new Option(alltargets[m],alltargets[m],false,false);
-
+                    
                 }
             }
         }
@@ -8708,7 +8798,7 @@ function singleServerToggle(balnum,type)
 
 function balanceruleChange(formname,balnum,type) {
     if (type == '_LC_external') {
-        return; 
+        return;
     }
     var typesRules = getIndicesByName(formname,'loadbalancing_rules_'+balnum+'_'+type);
     for (var i=0; i<typesRules.length; i++) {
@@ -8995,6 +9085,40 @@ function updateCaptcha(caller,context) {
         }
     }
     return;
+}
+
+// ]]>
+</script>
+
+END
+
+}
+
+sub credits_js {
+    return <<"END";
+
+<script type="text/javascript">
+// <![CDATA[
+
+function toggleCredits(domForm) {
+    if (document.getElementById('credits')) {
+        creditsitem = document.getElementById('credits');
+        var creditsLength = domForm.coursecredits.length;
+        if (creditsLength) {
+            var currval;
+            for (var i=0; i<creditsLength; i++) {
+                if (domForm.coursecredits[i].checked) {
+                   currval = domForm.coursecredits[i].value;
+                }
+            }
+            if (currval == 1) {
+                creditsitem.style.display = 'block';
+            } else {
+                creditsitem.style.display = 'none';
+            }
+        }
+    }
+    return;
 }
 
 // ]]>