--- loncom/homework/response.pm	2007/02/24 01:44:14	1.159
+++ loncom/homework/response.pm	2007/03/15 02:52:16	1.160
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.159 2007/02/24 01:44:14 albertel Exp $
+# $Id: response.pm,v 1.160 2007/03/15 02:52:16 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -265,11 +265,14 @@ sub meta_response_order {
 }
 
 sub check_for_previous {
-    my ($curresponse,$partid,$id) = @_;
+    my ($curresponse,$partid,$id,$last) = @_;
     my %previous;
     $previous{'used'} = 0;
     foreach my $key (sort(keys(%Apache::lonhomework::history))) {
 	if ($key =~ /resource\.$partid\.$id\.submission$/) {
+	    if ( $last && $key =~ /^(\d+):/ ) {
+		next if ($1 >= $last);
+	    }
 	    &Apache::lonxml::debug("Trying $key");
 	    my $pastresponse=$Apache::lonhomework::history{$key};
 	    if ($pastresponse eq $curresponse) {