--- loncom/interface/lonuserutils.pm	2010/01/20 21:37:37	1.97.2.12
+++ loncom/interface/lonuserutils.pm	2010/01/20 21:49:26	1.97.2.14
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Utility functions for managing LON-CAPA user accounts
 #
-# $Id: lonuserutils.pm,v 1.97.2.12 2010/01/20 21:37:37 raeburn Exp $
+# $Id: lonuserutils.pm,v 1.97.2.14 2010/01/20 21:49:26 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1141,7 +1141,7 @@ sub date_setting_table {
 }
 
 sub make_dates_default {
-    my ($startdate,$enddate,$context,$crstype = @_;
+    my ($startdate,$enddate,$context,$crstype) = @_;
     my $result = '';
     if ($context eq 'course') {
         my ($cnum,$cdom) = &get_course_identity();
@@ -1731,7 +1731,7 @@ sub section_group_filter {
         }
         if (@options > 0) {
             my $currsel;
-            $markup = '<select name="'.$name{$item}.'" />'."\n";
+            $markup = '<select name="'.$name{$item}.'">'."\n";
             foreach my $option ('all','none',@options) { 
                 $currsel = '';
                 if ($env{'form.'.$name{$item}} eq $option) {
@@ -2942,7 +2942,7 @@ sub print_username_link {
         $output = $in->{'username'};
     } else {
         $output = '<a href="javascript:username_display_launch('.
-                  "'$in->{'username'}','$in->{'domain'}'".')" />'.
+                  "'$in->{'username'}','$in->{'domain'}'".')">'.
                   $in->{'username'}.'</a>';
     }
     return $output;
@@ -3750,7 +3750,7 @@ sub upfile_drop_add {
     }
     my ($startdate,$enddate) = &get_dates_from_form();
     if ($env{'form.makedatesdefault'}) {
-        $r->print(&make_dates_default($startdate,$enddate,$context,$crstype);
+        $r->print(&make_dates_default($startdate,$enddate,$context,$crstype));
     }
     # Determine domain and desired host (home server)
     my $defdom=$env{'request.role.domain'};
@@ -4828,11 +4828,13 @@ sub setsections_javascript {
                     plch => 'Please choose a different section name.',
                     mnot => 'may not be used as a section name, as it is the name of a course group.',
                     secn => 'Section names and group names must be distinct. Please choose a different section name.',
+                    nonw => 'Section names may only contain letters or numbers.',
                  );                
     $setsection_js .= <<"ENDSECCODE";
 
 function setSections(formname,crstype) {
     var re1 = /^currsec_/;
+    var re2 =/\\W/;
     var groups = new Array($groupslist);
     for (var i=0;i<formname.elements.length;i++) {
         var str = formname.elements[i].name;
@@ -4876,9 +4878,23 @@ function setSections(formname,crstype) {
                     }
                     var newsecs = formname.elements[i+1].value;
                     var numsplit;
+                    var validsecs = new Array();
+                    var badsecs = new Array();
                     if (newsecs != null && newsecs != "") {
                         numsplit = newsecs.split(/,/g);
                         numsec = numsec + numsplit.length;
+                        for (var i=0; i<numsplit.length; i++) {
+                            if (re2.test(numsplit[i]) == true) {
+                                badsecs.push(numsplit[i]);
+                            } else {
+                                validsecs.push(numsplit[i]);
+                            }
+                        }
+                        if (badsecs.length > 0) {
+                            alert("$alerts{'nonw'}\\n$alerts{'plch'}");
+                            return;
+                        }
+                        numsec = numsec + validsecs.length;
                     }
 
                     if ((role == 'st') && (numsec > 1)) {