--- loncom/interface/loncreateuser.pm	2009/05/14 14:23:56	1.294
+++ loncom/interface/loncreateuser.pm	2009/05/18 16:08:07	1.295
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Create a user
 #
-# $Id: loncreateuser.pm,v 1.294 2009/05/14 14:23:56 bisitz Exp $
+# $Id: loncreateuser.pm,v 1.295 2009/05/18 16:08:07 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -5773,7 +5773,7 @@ sub update_selfenroll_config {
                         }
                     } else {
                         my @differences =  
-                            &compare_arrays(\@currnotified,\@newnotified);
+                            &Apache::loncommon::compare_arrays(\@currnotified,\@newnotified);
                         if (@differences > 0) {
                             if (@newnotified > 0) {
                                 $changes{'internal.selfenroll_notifylist'} = join(',',@newnotified);
@@ -5783,7 +5783,7 @@ sub update_selfenroll_config {
                         }
                     }
                 } else {
-                    my @differences = &compare_arrays(\@currnotified,\@newnotified);
+                    my @differences = &Apache::loncommon::compare_arrays(\@currnotified,\@newnotified);
                     if (@differences > 0) {
                         if (@newnotified > 0) {
                             $changes{'internal.selfenroll_notifylist'} = join(',',@newnotified);
@@ -5973,22 +5973,6 @@ sub update_selfenroll_config {
     return;
 }
 
-sub compare_arrays {
-    my ($arrayref1,$arrayref2) = @_;
-    my (@difference,%count);
-    @difference = ();
-    %count = ();
-    if ((ref($arrayref1) eq 'ARRAY') && (ref($arrayref2) eq 'ARRAY')) { 
-        foreach my $element (@{$arrayref1}, @{$arrayref2}) { $count{$element}++; }
-        foreach my $element (keys(%count)) {
-            if ($count{$element} == 1) {
-                push(@difference,$element);
-            }
-        }
-    }
-    return @difference;
-}
-
 sub get_selfenroll_titles {
     my @row = ('types','registered','enroll_dates','access_dates','section',
                'approval','limit');