--- loncom/homework/grades.pm	2015/01/24 02:27:01	1.596.2.12.2.32
+++ loncom/homework/grades.pm	2015/03/10 17:01:24	1.596.2.12.2.33
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Grading handler
 #
-# $Id: grades.pm,v 1.596.2.12.2.32 2015/01/24 02:27:01 raeburn Exp $
+# $Id: grades.pm,v 1.596.2.12.2.33 2015/03/10 17:01:24 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2632,7 +2632,7 @@ sub get_last_submission {
             }
             unless ($hide) {
                 if (@randomize) {
-                    foreach my $id (@hidden) {
+                    foreach my $id (@randomize) {
                         if ($key =~ /^\Q$id\E/) {
                             $hide = 'rand';
                             last;
@@ -5947,8 +5947,17 @@ sub username_to_idmap {
     my ($classlist)= @_;
     my %idmap;
     foreach my $student (keys(%$classlist)) {
-	$idmap{$classlist->{$student}->[&Apache::loncoursedata::CL_ID]}=
-	    $student;
+        my $id = $classlist->{$student}->[&Apache::loncoursedata::CL_ID];
+        unless ($id eq '') {
+            if (!exists($idmap{$id})) {
+                $idmap{$id} = $student;
+            } else {
+                my $status = $classlist->{$student}->[&Apache::loncoursedata::CL_STATUS];
+                if ($status eq 'Active') {
+                    $idmap{$id} = $student;
+                }
+            }
+        }
     }
     return %idmap;
 }