--- loncom/interface/loncommon.pm	2024/10/07 00:59:43	1.1438
+++ loncom/interface/loncommon.pm	2024/12/31 19:28:29	1.1444
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # a pile of common routines
 #
-# $Id: loncommon.pm,v 1.1438 2024/10/07 00:59:43 raeburn Exp $
+# $Id: loncommon.pm,v 1.1444 2024/12/31 19:28:29 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5691,7 +5691,8 @@ sub blockcheck {
             }
             unless ($has_evb) {
                 if (($activity eq 'printout') || ($activity eq 'grades') || ($activity eq 'search') ||
-                    ($activity eq 'boards') || ($activity eq 'groups') || ($activity eq 'chat')) {
+                    ($activity eq 'index') || ($activity eq 'boards') || ($activity eq 'groups') || 
+                    ($activity eq 'chat')) {
                     if ($udom eq $cdom) {
                         $check_ipaccess = 1;
                     }
@@ -5782,8 +5783,8 @@ sub blockcheck {
 
     if (($activity eq 'boards' || $activity eq 'chat' ||
          $activity eq 'groups' || $activity eq 'printout' ||
-         $activity eq 'search' || $activity eq 'reinit' ||
-         $activity eq 'alert') &&
+         $activity eq 'search' || $activity eq 'index' ||
+         $activity eq 'reinit' || $activity eq 'alert') &&
         ($env{'request.course.id'})) {
         foreach my $key (keys(%live_courses)) {
             if ($key ne $env{'request.course.id'}) {
@@ -6118,6 +6119,8 @@ END_MYBLOCK
         $text = &mt('Gradebook Blocked');
     } elsif ($activity eq 'search') {
         $text = &mt('Search Blocked');
+    } elsif ($activity eq 'index') {
+        $text = &mt('Content Index Blocked');
     } elsif ($activity eq 'alert') {
         $text = &mt('Checking Critical Messages Blocked');
     } elsif ($activity eq 'reinit') {
@@ -6877,7 +6880,6 @@ sub bodytag {
     my $hostname = $args->{'hostname'};
 
     $function = &get_users_function() if (!$function);
-    my $img =    &designparm($function.'.img',$domain);
     my $font =   &designparm($function.'.font',$domain);
     my $pgbg   = $bgcolor || &designparm($function.'.pgbg',$domain);
 
@@ -7000,8 +7002,12 @@ sub bodytag {
         #        $titleinfo = &CSTR_pageheader(); #FIXME: Will be removed once all scripts have their own calls
         #    }
 
-        $bodytag .= Apache::lonhtmlcommon::scripttag(
-            Apache::lonmenu::utilityfunctions($httphost), 'start');
+        my $need_endlcint;
+        unless ($args->{'switchserver'}) {
+            $bodytag .= Apache::lonhtmlcommon::scripttag(
+                Apache::lonmenu::utilityfunctions($httphost), 'start');
+            $need_endlcint = 1;
+        }
 
         my $collapsible;
         if ($args->{'collapsible_header'} ne '') {
@@ -7037,6 +7043,9 @@ END
                 }
                 $bodytag .= qq|<div id="LC_nav_bar">$left $role<br />
                                <em>$realm</em> $dc_info</div>|;
+                if ($need_endlcint) {
+                    $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
+                }
                 return $bodytag;
             }
 
@@ -7054,6 +7063,9 @@ END
 
         #if directed to not display the secondary menu, don't.  
         if ($args->{'no_secondary_menu'}) {
+            if ($need_endlcint) {
+                $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
+            }
             return $bodytag;
         }
         #don't show menus for public users
@@ -7066,7 +7078,9 @@ END
                                                             $args->{'links_target'});
             }
             $bodytag .= Apache::lonmenu::serverform();
-            $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
+            if ($need_endlcint) {
+                $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
+            }
             if ($env{'request.state'} eq 'construct') {
                 $bodytag .= &Apache::lonmenu::innerregister($forcereg,
                                 $args->{'bread_crumbs'},'','',$hostname,
@@ -7082,11 +7096,13 @@ END
                                                         $args->{'bread_crumbs'},
                                                         $advtoolsref,'',$hostname);
             }
-        }else{
-            # this is to seperate menu from content when there's no secondary
-            # menu. Especially needed for public accessible ressources.
+        } else {
+            # this is to separate menu from content when there's no secondary
+            # menu. Especially needed for publicly accessible resources.
             $bodytag .= '<hr style="clear:both" />';
-            $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end'); 
+            if ($need_endlcint) {
+                $bodytag .= Apache::lonhtmlcommon::scripttag('', 'end');
+            }
         }
         if ($args->{'collapsible_header'} ne '') {
             $bodytag .= $args->{'collapsible_header'}.
@@ -7221,7 +7237,6 @@ Inputs: (all optional)
 sub standard_css {
     my ($function,$domain,$bgcolor) = @_;
     $function  = &get_users_function() if (!$function);
-    my $img    = &designparm($function.'.img',   $domain);
     my $tabbg  = &designparm($function.'.tabbg', $domain);
     my $font   = &designparm($function.'.font',  $domain);
     my $fontmenu = &designparm($function.'.fontmenu', $domain);
@@ -7286,6 +7301,16 @@ form, .inline {
   display: inline;
 }
 
+.LC_visually_hidden:not(:focus):not(:active) {
+    clip-path: inset(50%);
+    height: 1px;
+    overflow: hidden;
+    position: absolute;
+    white-space: nowrap;
+    width: 1px;
+    display: inline;
+}
+
 .LC_menus_content.shown{
   display: block;
 }
@@ -9426,7 +9451,7 @@ sub headtag {
         $inhibitprint = &print_suppression();
     }
 
-    if ((!$args->{'frameset'} && !$args->{'switchserver'}) {
+    if (!$args->{'frameset'} && !$args->{'switchserver'}) {
 	$result .= &Apache::lonhtmlcommon::htmlareaheaders();
     }
     if ($args->{'force_register'} && $env{'request.noversionuri'} !~ m{^/res/adm/pages/}) {