--- loncom/interface/coursecatalog.pm	2021/06/15 20:52:26	1.105
+++ loncom/interface/coursecatalog.pm	2025/02/15 00:07:48	1.106
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.105 2021/06/15 20:52:26 raeburn Exp $
+# $Id: coursecatalog.pm,v 1.106 2025/02/15 00:07:48 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -357,8 +357,12 @@ function check_selected() {
 }
 ENDJS
             }
-            $catjs = '<script type="text/javascript">'."\n".$catjs."\n".'</script>';
-            &cat_header($r,$codedom,$catjs,\%add_entries,$catlinks,undef,$cattype);
+            my $js = '<script type="text/javascript">'."\n".
+                     '// <![CDATA['."\n".
+                     "$catjs\n".
+                     '// ]]>'."\n".
+                     '</script>';
+            &cat_header($r,$codedom,$js,\%add_entries,$catlinks,undef,$cattype);
             if ($env{'form.currcat_0'} ne '') {
                 $r->print('<form name="'.$formname.
                           '" method="post" action="/adm/coursecatalog">'.