--- loncom/homework/response.pm	2005/04/04 10:04:09	1.118
+++ loncom/homework/response.pm	2005/04/04 18:14:58	1.119
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # various response type definitons response definition
 #
-# $Id: response.pm,v 1.118 2005/04/04 10:04:09 foxr Exp $
+# $Id: response.pm,v 1.119 2005/04/04 18:14:58 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -119,22 +119,34 @@ sub setrandomnumber {
     #  $rndseed=unpack("%32i",$rndseed);
     my $rand_alg=&Apache::lonnet::get_rand_alg();
     my $rndmod;
-    if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
-	$rand_alg eq '64bit2') {
-	$rndmod=(&Apache::lonnet::numval($Apache::inputtags::part) << 10);
+
+    my ($id1,$id2,$shift_amt);
+    if ($Apache::lonhomework::parsing_a_problem) {
+	$id1=$Apache::inputtags::part;
 	if (defined($Apache::inputtags::response[-1])) {
-	    $rndmod+=&Apache::lonnet::numval($Apache::inputtags::response[-1]);
+	    $id2=$Apache::inputtags::response[-1];
 	}
-    } elsif ($rand_alg eq '64bit3') {
-	$rndmod=(&Apache::lonnet::numval2($Apache::inputtags::part) << 10);
-	if (defined($Apache::inputtags::response[-1])) {
-	    $rndmod+=&Apache::lonnet::numval2($Apache::inputtags::response[-1]);
+	$shift_amt=scalar(@Apache::inputtags::responselist);
+    } elsif ($Apache::lonhomework::parsing_a_task) {
+	$id1=$Apache::bridgetask::dimension;
+	if (defined($Apache::bridgetask::instance[-1])) {
+	    $id2=$Apache::bridgetask::instance[-1];
 	}
+	$shift_amt=scalar(@Apache::bridgetask::instance);
+    } 
+    &Apache::lonxml::debug("id1: $id1, id2: $id2, shift_amt: $shift_amt");
+    if (!$rand_alg || $rand_alg eq '32bit' || $rand_alg eq '64bit' ||
+	$rand_alg eq '64bit2') {
+	$rndmod=(&Apache::lonnet::numval($id1) << 10);
+	if (defined($id2)) { $rndmod+=&Apache::lonnet::numval($id2); }
+    } elsif ($rand_alg eq '64bit3') {
+	$rndmod=(&Apache::lonnet::numval2($id1) << 10);
+	if (defined($id2)) { $rndmod+=&Apache::lonnet::numval2($id2); }
     } else {
-	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]) << $shift );
+	my $shift=(4*$shift_amt)%30;
+	$rndmod=(&Apache::lonnet::numval3($id1) << (($shift+15)%30));
+	if (defined($id2)) {
+	    $rndmod+=(&Apache::lonnet::numval3($id2) << $shift );
 	}
     }
     if ($rndseed =~/([,:])/) {