--- loncom/interface/lonnavmaps.pm	2006/03/04 06:12:40	1.367
+++ loncom/interface/lonnavmaps.pm	2006/03/14 22:17:20	1.369
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.367 2006/03/04 06:12:40 albertel Exp $
+# $Id: lonnavmaps.pm,v 1.369 2006/03/14 22:17:20 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3657,8 +3657,7 @@ sub kind { my $self=shift; return $self-
 sub randomout { my $self=shift; return $self->navHash("randomout_", 1); }
 sub randompick { 
     my $self = shift;
-    return $self->{NAV_MAP}->{PARM_HASH}->{$self->symb .
-                                               '.0.parameter_randompick'};
+    return $self->{NAV_MAP}->{PARM_HASH}->{$self->symb().'.0.randompick'};
 }
 sub link {
     my $self=shift;
@@ -3776,6 +3775,16 @@ sub retrieveResources {
    return $self->{NAV_MAP}->retrieveResources(@_);
 }
 
+sub is_exam {
+    my ($self,$part) = @_;
+    if ($self->parmval('type',$part) eq 'exam') {
+        return 1;
+    }
+    if ($self->src() =~ /\.(exam)$/) {
+        return 1;
+    }
+    return 0;
+}
 sub is_html {
     my $self=shift;
     my $src = $self->src();
@@ -4258,7 +4267,7 @@ sub countResponses {
 sub responseTypes {
     my $self = shift;
     my %responses;
-    foreach my $part ($self->parts()) {
+    foreach my $part (@{$self->parts()}) {
         foreach my $responsetype ($self->responseType($part)) {
             $responses{$responsetype}++ if (defined($responsetype));
         }