--- loncom/interface/lonpickcourse.pm	2010/07/08 23:19:19	1.99
+++ loncom/interface/lonpickcourse.pm	2011/01/25 02:49:42	1.101
@@ -1,7 +1,7 @@
 # The LearningOnline Network
 # Pick a course
 #
-# $Id: lonpickcourse.pm,v 1.99 2010/07/08 23:19:19 raeburn Exp $
+# $Id: lonpickcourse.pm,v 1.101 2011/01/25 02:49:42 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -439,10 +439,10 @@ sub display_matched_courses {
                         }
                     }
                 }
-                push(@owners,&unescape($courses{$course}{'owner'}));
-                if (ref($courses{$course}{'co-owners'}) eq 'ARRAY') {
-                    foreach my $item (@{$courses{$course}{'co-owners'}}) {
-                        push(@owners,&unescape($item));
+                push(@owners,$courses{$course}{'owner'});
+                if ($courses{$course}{'co-owners'} ne '') {
+                    foreach my $item (split(/,/,$courses{$course}{'co-owners'})) {
+                        push(@owners,$item);
                     }
                 }
             } else {
@@ -830,7 +830,11 @@ sub timebased_select_form {
 
 sub get_coordinator_cloneable {
     my ($cloneruname,$clonerudom,$type) = @_;
-    if (&Apache::lonnet::homeserver($cloneruname,$clonerudom) eq 'no_host') {
+    if (($cloneruname!~/\w/) || ($clonerudom!~/\w/)) {
+        my $warning = '<div class="LC_warning">'.&mt('Intended course owner not specified').
+                   '</div>';
+        return ('',$warning);
+    } elsif (&Apache::lonnet::homeserver($cloneruname,$clonerudom) eq 'no_host') {
         my $warning = '<div class="LC_error">'.&mt('Intended course owner does not exist').
                    '</div>';
         return ('',$warning);