--- loncom/homework/lonhomework.pm	2002/02/27 20:23:26	1.71
+++ loncom/homework/lonhomework.pm	2002/02/28 01:18:47	1.72
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.71 2002/02/27 20:23:26 albertel Exp $
+# $Id: lonhomework.pm,v 1.72 2002/02/28 01:18:47 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -437,11 +437,12 @@ sub handler {
   &Apache::lonxml::debug("Permissions:$Apache::lonhomework::browse:$Apache::lonhomework::viewgrades:");
   # some times multiple problemmodes are submitted, need to select
   # the last one
-  if ( defined @{ $ENV{'form.problemmode'} } ) {
-    &Apache::lonxml::debug("Problem Modes ".join(':',@{ $ENV{'form.problemmode'} }));
-    my @modes=@{ $ENV{'form.problemmode'} };
+  if ( defined($ENV{'form.problemmode'}) &&
+       defined(@{ $ENV{'form.problemmode'} })) {
+    &Apache::lonxml::debug("3Problem Modes ".$ENV{'form.problemmode'});
+    my $mode=$ENV{'form.problemmode'}->[-1];
     undef $ENV{'form.problemmode'};
-    $ENV{'form.problemmode'}=$modes[-1];
+    $ENV{'form.problemmode'}=$mode;
   }
   &Apache::lonxml::debug("Problem Mode ".$ENV{'form.problemmode'});
   my $file=&Apache::lonnet::filelocation("",$request->uri);