--- loncom/interface/coursecatalog.pm	2009/02/26 16:17:30	1.49
+++ loncom/interface/coursecatalog.pm	2009/03/18 20:58:02	1.50
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler for displaying the course catalog interface
 #
-# $Id: coursecatalog.pm,v 1.49 2009/02/26 16:17:30 schafran Exp $
+# $Id: coursecatalog.pm,v 1.50 2009/03/18 20:58:02 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -123,11 +123,16 @@ ENDSCRIPT
             }
         } else {
             my (%add_entries);
+            my ($currdepth,$deeper) = &get_depth_values();
             if ($selitem) {
+                my $alert = &mt('Choose a subcategory to display');
+                if (!$deeper) {
+                    $alert = &mt('Choose a category to display');
+                }
                 $catjs .= <<ENDJS;
 function check_selected() {
     if (document.coursecats.$selitem.options[document.coursecats.$selitem.selectedIndex].value == "") {
-        alert('Choose a subcategory to display');
+        alert('$alert');
         return false;
     }
 }
@@ -139,7 +144,6 @@ ENDJS
                 $r->print('<form name="'.$formname.
                           '" method="post" action="/adm/coursecatalog">'.
                           &additional_filters($codedom,$has_subcats)."\n");
-                my ($currdepth,$deeper) = &get_depth_values();
                 $r->print('<input type="hidden" name="catalog_maxdepth" value="'.
                           $deeper.'" />'."\n");
                 for (my $i=0; $i<$deeper; $i++) {