--- loncom/interface/lonnavmaps.pm	2012/07/09 18:30:46	1.444.2.4.2.1
+++ loncom/interface/lonnavmaps.pm	2011/09/15 03:06:52	1.444.2.5
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.444.2.4.2.1 2012/07/09 18:30:46 raeburn Exp $
+# $Id: lonnavmaps.pm,v 1.444.2.5 2011/09/15 03:06:52 raeburn Exp $
 
 #
 # Copyright Michigan State University Board of Trustees
@@ -1132,7 +1132,7 @@ sub render_long_status {
     }
     
     if ($resource->kind() eq "res" &&
-        ($resource->is_problem() || $resource->is_practice()) &&
+        $resource->is_raw_problem() &&
         !$firstDisplayed) {
         if ($color) {$result .= "<font color=\"$color\"><b>"; }
         $result .= getDescription($resource, $part);
@@ -3494,8 +3494,6 @@ sub new {
     $self->{NAV_MAP}->{RESOURCE_CACHE}->{$self->{ID}} = $self;
     $self->{RESOURCE_ERROR} = 0;
 
-    $self->{DUEDATE_CACHE} = undef;
-
     # A hash that can be used by two-pass algorithms to store data
     # about this resource in. Not used by the resource object
     # directly.
@@ -4073,9 +4071,6 @@ sub checkedin {
 # this should work exactly like the copy in lonhomework.pm
 sub duedate {
     (my $self, my $part) = @_;
-    if (defined ($self->{DUEDATE_CACHE}->{$part})) {
-        return $self->{DUEDATE_CACHE}->{$part};
-    }
     my $date;
     my @interval=$self->parmval("interval", $part);
     my $due_date=$self->parmval("duedate", $part);
@@ -4092,7 +4087,6 @@ sub duedate {
     } else {
 	$date = $due_date;
     }
-    $self->{DUEDATE_CACHE}->{$part} = $date;
     return $date;
 }
 sub handgrade {