--- loncom/interface/lonnavmaps.pm	2004/05/05 21:04:14	1.259
+++ loncom/interface/lonnavmaps.pm	2004/05/27 22:25:14	1.260
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavmaps.pm,v 1.259 2004/05/05 21:04:14 raeburn Exp $
+# $Id: lonnavmaps.pm,v 1.260 2004/05/27 22:25:14 albertel Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -3417,6 +3417,11 @@ sub awarded {
 }
 sub duedate {
     (my $self, my $part) = @_;
+    my $interval=$self->parmval("interval", $part);
+    if ($interval) {
+	my $first_access=&Apache::lonnet::get_first_access('map',$self->symb);
+	if ($first_access) { return ($first_access+$interval); }
+    }
     return $self->parmval("duedate", $part);
 }
 sub maxtries {