--- loncom/interface/courseprefs.pm	2014/06/07 19:13:41	1.66
+++ loncom/interface/courseprefs.pm	2014/08/03 01:47:49	1.68
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Handler to set configuration settings for a course
 #
-# $Id: courseprefs.pm,v 1.66 2014/06/07 19:13:41 raeburn Exp $
+# $Id: courseprefs.pm,v 1.68 2014/08/03 01:47:49 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -2319,6 +2319,7 @@ sub display_loncaparev_constraints {
     my (%fromparam,%rowspan,%bymap,%byresource,@scopeorder,%toshow,%allmaps,
         %byresponsetype,%bysubmission,%fromblocks);
     @scopeorder = ('all','section/group','user');
+    my $now = time;
     my $resourcedata = &Apache::lonparmset::readdata($cnum,$cdom);
     if (ref($resourcedata) eq 'HASH') {
         foreach my $key (keys(%{$resourcedata})) {
@@ -2332,6 +2333,18 @@ sub display_loncaparev_constraints {
                              } else {
                                  $value = '';
                              }
+                          } elsif ($item eq 'printstartdate') {
+                            if ($value =~ /^\d+$/) {
+                                 if ($value > $now) {
+                                     $value = 'future';
+                                 }
+                             }
+                         } elsif ($item eq 'printenddate') {
+                             if ($value =~ /^\d+$/) {
+                                 if ($value < $now) {
+                                     $value = 'past';
+                                 }
+                             }
                          }
                          my ($middle,$scope,$which,$level,$map,$resource);
                          if (grep(/^\Q$value\E$/,@{$Apache::lonrelrequtils::checkparms{$item}})) {
@@ -2611,9 +2624,9 @@ sub display_loncaparev_constraints {
         }
         foreach my $map (keys(%allmaps)) {
             my $mapres = $navmap->getResourceByUrl($map);
-            my $mapsymb = $mapres->symb();
-            $toshow{$mapsymb} = 1;
             if (ref($mapres)) {
+                my $mapsymb = $mapres->symb();
+                $toshow{$mapsymb} = 1;
                 my $pcslist = $mapres->map_hierarchy();
                 if ($pcslist ne '') {
                     foreach my $pc (split(/,/,$pcslist)) {