--- loncom/homework/caparesponse/caparesponse.pm	2007/06/05 22:30:05	1.215
+++ loncom/homework/caparesponse/caparesponse.pm	2007/06/06 17:03:54	1.216
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # caparesponse definition
 #
-# $Id: caparesponse.pm,v 1.215 2007/06/05 22:30:05 albertel Exp $
+# $Id: caparesponse.pm,v 1.216 2007/06/06 17:03:54 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -859,7 +859,13 @@ sub get_table_sizes {
     my $bubbles_per_line=int($textwidth/$cell_width);
     if ($bubbles_per_line > $number_of_bubbles) {
 	$bubbles_per_line=$number_of_bubbles;
-    }elsif (($bubbles_per_line > $number_of_bubbles/2) && ($number_of_bubbles % 2==0)) {$bubbles_per_line=$number_of_bubbles/2;}
+    } elsif (($bubbles_per_line > $number_of_bubbles/2) 
+	     && ($number_of_bubbles % 2==0)) {
+	$bubbles_per_line=$number_of_bubbles/2;
+    }
+    if ($bubbles_per_line < 1) {
+	$bubbles_per_line=1;
+    }
     my $number_of_tables = int($number_of_bubbles/$bubbles_per_line);
     my @table_range = ();
     for (my $i=0;$i<$number_of_tables;$i++) {push @table_range,$bubbles_per_line;}