--- loncom/interface/lonuserutils.pm	2010/01/20 20:40:43	1.97.2.10
+++ 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 1.97.2.10 2010/01/20 20:40:43 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
 #
@@ -386,8 +386,7 @@ sub javascript_validations {
         if (($context eq 'course') || ($context eq 'domain')) {
             if ($context eq 'course') {
                 if ($env{'request.course.sec'} eq '') {
-                    $setsection_call = 'setSections(document.'.$param{'formname'}."'$crstype'".');';
-
+                    $setsection_call = 'setSections(document.'.$param{'formname'}.",'$crstype'".');';
                     $setsections_js =
                         &setsections_javascript($param{'formname'},$groupslist,
                                                 $mode,'',$crstype);
@@ -1142,7 +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();
@@ -1449,8 +1448,12 @@ sub print_userlist {
     }
     if (!(($context eq 'domain') && 
         (($env{'form.roletype'} eq 'course') || ($env{'form.roletype'} eq 'community')))) {
-        $r->print(' '.&list_submit_button(&mt('Update Display')).
-                  "\n</p>\n");
+        $r->print(
+            "\n</p>\n"
+           .'<p>'
+           .&list_submit_button(&mt('Update Display'))
+           ."</p>\n"
+        );
     }
     my ($indexhash,$keylist) = &make_keylist_array();
     my (%userlist,%userinfo,$clearcoursepick);
@@ -1728,7 +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) {
@@ -1743,7 +1746,9 @@ sub section_group_filter {
                 $markup .= '</option>'."\n";
             }
             $markup .= '</select>'."\n";
-            $output .= ('&nbsp;'x3).'<label>'.$title{$item}.': '.$markup.'</label>';
+            $output .= ('&nbsp;'x3).'<span class="LC_nobreak">'
+                      .'<label>'.$title{$item}.': '.$markup.'</label>'
+                      .'</span> ';
         }
     }
     return $output;
@@ -2937,7 +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;
@@ -3684,8 +3689,6 @@ sub print_first_users_upload_form {
            .'<input type="submit" name="fileupload" value="'.&mt('Next').'" />'
            .'</p>';
 
-    $str .= &Apache::loncommon::end_page();
-
     $r->print($str);
     return;
 }
@@ -3747,7 +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'};
@@ -4825,11 +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($groupslist);
     for (var i=0;i<formname.elements.length;i++) {
         var str = formname.elements[i].name;
@@ -4873,9 +4878,23 @@ function setSections(formname,crstype) {
                     }
                     var newsecs = formname.elements[i+1].value;
                     var numsplit;
+                    var validsecs = new Array();
+                    var badsecs = new Array();
                     if (newsecs != null && newsecs != "") {
                         numsplit = newsecs.split(/,/g);
                         numsec = numsec + numsplit.length;
+                        for (var i=0; i<numsplit.length; i++) {
+                            if (re2.test(numsplit[i]) == true) {
+                                badsecs.push(numsplit[i]);
+                            } else {
+                                validsecs.push(numsplit[i]);
+                            }
+                        }
+                        if (badsecs.length > 0) {
+                            alert("$alerts{'nonw'}\\n$alerts{'plch'}");
+                            return;
+                        }
+                        numsec = numsec + validsecs.length;
                     }
 
                     if ((role == 'st') && (numsec > 1)) {