--- loncom/auth/lonroles.pm	2008/07/04 14:19:16	1.196
+++ loncom/auth/lonroles.pm	2008/07/05 23:27:34	1.199
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # User Roles Screen
 #
-# $Id: lonroles.pm,v 1.196 2008/07/04 14:19:16 raeburn Exp $
+# $Id: lonroles.pm,v 1.199 2008/07/05 23:27:34 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -794,7 +794,9 @@ ENDHEADER
 	$r->print('<p><small><i>'
                  .&mt('This is LON-CAPA [_1]',$r->dir_config('lonVersion'))
 		 .'</i><br />'
-		 .'<a href="/adm/logout">'.&mt('Logout').'</a></small></p>');
+		 .'<a href="/adm/logout">'.&mt('Logout').'</a>&nbsp;&nbsp;'
+                 .'<a href="/adm/coursecatalog">'.&mt('Course Catalog')
+                 .'</small></p>');
     }
     $r->print(&Apache::loncommon::end_page());
     return OK;
@@ -1071,22 +1073,22 @@ sub adhoc_course_role {
     my $cnum = $env{'course.'.$env{'request.course.id'}.'.num'};
     if (&check_forcc($cdom,$cnum,$then)) {
         my $setprivs;
-        if (!defined($env{'user.role.'.$env{'form.selectrole'}})) {
+        if (!defined($env{'user.role.'.$env{'form.switchrole'}})) {
             $setprivs = 1;
         } else {
-            my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.selectrole'}});
+            my ($start,$end) = split(/\./,$env{'user.role.'.$env{'form.switchrole'}});
             if (($start && ($start>$then || $start == -1)) ||
                 ($end && $end<$then)) {
                 $setprivs = 1;
             }
         } 
         if ($setprivs) {
-            if ($env{'form.switchrole'} =~ m-^(in|ta|ep|ad|st|cr)([\w/]*)\./\Q$cdom\E/\Q$cnum\E(/?\w*)$-) {
+            if ($env{'form.switchrole'} =~ m-^(in|ta|ep|ad|st|cr)([\w/]*)\./\Q$cdom\E/\Q$cnum\E/?(\w*)$-) {
                 my $role = $1;
                 my $custom_role = $2;
                 my $usec = $3;
                 if ($role eq 'cr') {
-                    if ($custom_role =~ m-^$match_domain/$match_courseid/\w+$-) {
+                    if ($custom_role =~ m-^/$match_domain/$match_username/\w+$-) {
                         $role .= $custom_role;
                     } else {
                         return;