--- loncom/interface/lonnavdisplay.pm	2006/10/10 20:16:26	1.1
+++ loncom/interface/lonnavdisplay.pm	2008/10/20 03:25:49	1.5
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Navigate Maps Handler
 #
-# $Id: lonnavdisplay.pm,v 1.1 2006/10/10 20:16:26 albertel Exp $
+# $Id: lonnavdisplay.pm,v 1.5 2008/10/20 03:25:49 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -37,6 +37,7 @@ use Apache::lonnavmaps();
 use Apache::lonhtmlcommon();
 use Apache::lonnet;
 use Apache::lonlocal;
+use Time::HiRes qw( gettimeofday tv_interval );
 
 sub handler {
     my $r = shift;
@@ -70,7 +71,7 @@ sub real_handler {
 				      "Select Action");
     if ($ENV{QUERY_STRING} eq 'collapseExternal') {
 	&Apache::lonnet::put('environment',{'remotenavmap' => 'off'});
-	&Apache::lonnet::appenv('environment.remotenavmap' => 'off');
+	&Apache::lonnet::appenv({'environment.remotenavmap' => 'off'});
 	my $menu=&Apache::lonmenu::reopenmenu();
 	my $navstatus=&Apache::lonmenu::get_nav_status();
 	if ($menu) {
@@ -109,7 +110,7 @@ ENDSUBM
     }
     if ($ENV{QUERY_STRING} =~ /^launchExternal/) {
 	&Apache::lonnet::put('environment',{'remotenavmap' => 'on'});
-	&Apache::lonnet::appenv('environment.remotenavmap' => 'on');
+	&Apache::lonnet::appenv({'environment.remotenavmap' => 'on'});
  	my $menu=&Apache::lonmenu::reopenmenu();
 	my $navstatus=&Apache::lonmenu::get_nav_status();
 	if ($menu) {
@@ -132,6 +133,7 @@ MENU
     if (!defined($navmap)) {
         my $requrl = $r->uri;
         $env{'user.error.msg'} = "$requrl:bre:0:0:Course not initialized";
+        $env{'user.reinit'} = 1;
         return HTTP_NOT_ACCEPTABLE;
     }
     $r->send_http_header;
@@ -224,19 +226,19 @@ MENU
         my $curRes;
         my $foundDoableProblem = 0;
         my $minimumduedate;
-        
+        my $now = time();
+	
         while ($curRes = $iterator->next()) {
             if (ref($curRes) && $curRes->is_problem()) {
                 my $status = $curRes->status();
-                if ($curRes->completable()) {
-                    my $thisduedate=$curRes->duedate();
-                    unless ($foundDoableProblem) {
-                        $minimumduedate=$thisduedate;
-		    }
+		my $thisduedate=$curRes->duedate();
+                if ($thisduedate > $now 
+		    && $curRes->completable()) {
                         
                     $foundDoableProblem = 1;
 
-                    if ($thisduedate<=$minimumduedate) {
+                    if (!defined($minimumduedate)
+                        || $thisduedate<$minimumduedate) {
 			# Pop open all previous maps
 			my $stack = $iterator->getStack();
 			pop @$stack; # last resource in the stack is the problem
@@ -254,7 +256,9 @@ MENU
 
         # If we found no problems, print a note to that effect.
         if (!$foundDoableProblem) {
-            $r->print("<font size='+2'>All homework assignments have been completed.</font><br /><br />");
+            $r->print("<font size='+2'>"
+                     .&mt("All homework assignments have been completed.")
+                     ."</font><br /><br />");
         }
     } else {
 	&Apache::lonnavmaps::add_linkitem(\%toplinkitems,'firsthomework',
@@ -320,9 +324,9 @@ MENU
     # user knows there was no error.
     if ($renderArgs->{'counter'} == 0) {
         if ($showOnlyHomework) {
-            $r->print("<p><font size='+1'>".&mt("All homework is currently completed").".</font></p>");
+            $r->print("<p><font size='+1'>".&mt("All homework is currently completed.")."</font></p>");
         } else { # both jumpToFirstHomework and normal use the same: course must be empty
-            $r->print("<p><font size='+1'>This course is empty.</font></p>");
+            $r->print("<p><font size='+1'>".&mt("This course is empty.")."</font></p>");
         }
     }
     #my $td=&tv_interval($t0);