--- loncom/homework/response.pm	2004/12/07 16:19:37	1.110
+++ loncom/homework/response.pm	2004/12/23 22:53:41	1.112
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.110 2004/12/07 16:19:37 albertel Exp $
+# $Id: response.pm,v 1.112 2004/12/23 22:53:41 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -130,9 +130,10 @@ sub setrandomnumber {
 	    $rndmod+=&Apache::lonnet::numval2($Apache::inputtags::response[-1]);
 	}
     } else {
-	$rndmod=(&Apache::lonnet::numval3($Apache::inputtags::part) << 10);
+	my $shift=(4*scalar(@Apache::inputtags::responselist))%30;
+	$rndmod=(&Apache::lonnet::numval3($Apache::inputtags::part) << (($shift+15)%30));
 	if (defined($Apache::inputtags::response[-1])) {
-	    $rndmod+=&Apache::lonnet::numval3($Apache::inputtags::response[-1]);
+	    $rndmod+=(&Apache::lonnet::numval3($Apache::inputtags::response[-1]) << $shift );
 	}
     }
     if ($rndseed =~/([,:])/) {
@@ -150,7 +151,7 @@ sub setrandomnumber {
 	    $rndseed=(($rndseed<<32)>>32);
 	}
     }
-    &Apache::lonxml::debug("randseed $rndseed");
+    &Apache::lonxml::debug("randseed $rndmod $rndseed");
     &Apache::lonnet::setup_random_from_rndseed($rndseed);
     return '';
 }