--- loncom/homework/lonhomework.pm	2017/01/05 19:39:31	1.367
+++ loncom/homework/lonhomework.pm	2017/04/03 13:01:43	1.368
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # The LON-CAPA Homework handler
 #
-# $Id: lonhomework.pm,v 1.367 2017/01/05 19:39:31 damieng Exp $
+# $Id: lonhomework.pm,v 1.368 2017/04/03 13:01:43 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -1825,6 +1825,12 @@ sub helpmenu_datastructure {
 		my $title = $helpers->[$count]->[1];
 		my $width = $helpers->[$count]->[2];
                 my $height = $helpers->[$count]->[3];
+                if ($width eq '') {
+                    $width = 500;
+                }
+                if ($height eq '') {
+                    $height = 600;
+                }
 		my $href = &HTML::Entities::encode("javascript:openMyModal('/adm/help/$filename',$width,$height,'yes');");
 		push @{$help_structure}, [$href, $title, undef];
 	}