--- loncom/interface/lonmsgdisplay.pm	2011/05/03 10:37:14	1.156
+++ loncom/interface/lonmsgdisplay.pm	2011/05/12 21:56:13	1.157
@@ -1,7 +1,7 @@
 # $textareaclass The LearningOnline Network with CAPA
 # Routines for messaging display
 #
-# $Id: lonmsgdisplay.pm,v 1.156 2011/05/03 10:37:14 bisitz Exp $
+# $Id: lonmsgdisplay.pm,v 1.157 2011/05/12 21:56:13 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -110,7 +110,7 @@ use Apache::lonfeedback;
 use Apache::lonrss();
 use Apache::lonselstudent();
 use lib '/home/httpd/lib/perl/';
-use LONCAPA;
+use LONCAPA qw(:DEFAULT :match);
 
 # Querystring component with sorting type
 my $sqs='';
@@ -814,7 +814,15 @@ sub discrit {
     foreach my $key (sort(keys(%what))) {
         my %content=&Apache::lonmsg::unpackagemsg($what{$key});
         next if ($content{'senderdomain'} eq '');
-        my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
+        my $description;
+        if ($content{'courseid'} ne '') {
+            if ($content{'courseid'} =~ m{/^$match_domain\_$match_courseid$}) {
+                my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'},{'one_time' => 1});
+                if ($courseinfo{'description'} ne '') {
+                    $description = $courseinfo{'description'};
+                }
+            }
+        }
         $result .= &Apache::lonhtmlcommon::start_pick_box()
                   .&Apache::lonhtmlcommon::row_title(&mt('From'),undef,'LC_oddrow_value')
                   .'<b>'.&Apache::loncommon::aboutmewrapper(
@@ -827,9 +835,9 @@ sub discrit {
                   .&Apache::lonhtmlcommon::row_title(&mt('Subject'),undef,'LC_oddrow_value')
                   .$content{'subject'}
                   .&Apache::lonhtmlcommon::row_closure(1);
-        if ($courseinfo{'description'}) {
+        if ($description ne '') {
             $result .= &Apache::lonhtmlcommon::row_title(&mt('Course'),undef,'LC_oddrow_value')
-                      .$courseinfo{'description'}
+                      .$description
                       .&Apache::lonhtmlcommon::row_closure(1);
         }
         $result .= &Apache::lonhtmlcommon::row_title(&mt('Message'),undef,'LC_evenrow_value')
@@ -987,10 +995,15 @@ sub get_course_desc {
             if (defined($env{'course.'.$fromcid.'.description'})) {
                 $description = $env{'course.'.$fromcid.'.description'};
             } else {
-                my %courseinfo=&Apache::lonnet::coursedescription($fromcid);
-                $description = $courseinfo{'description'};
+                if ($fromcid =~ m{/^$match_domain\_$match_courseid$}) {
+                    my %courseinfo=&Apache::lonnet::coursedescription($fromcid,
+                                                                      {'one_time' => 1});
+                    $description = $courseinfo{'description'};
+                }
+            }
+            if ($description ne '') {
+                $$descriptions{$fromcid} = $description;
             }
-            $$descriptions{$fromcid} = $description;
         }
         return $description;
     }
@@ -2408,7 +2421,6 @@ sub displaymessage {
     my $number_of_messages = scalar(@messages); #subtract 1 for last index
 # start output
     &printheader($r,'/adm/email?display='.&escape($msgid),'Display a Message','',$content{'baseurl'});
-    my %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'});
 
 # Prepare available functions
     my @functionlist;
@@ -2667,14 +2679,22 @@ sub displaymessage {
     }
 
     # Course
-    if ($content{'courseid'}) {
-        $r->print(&Apache::lonhtmlcommon::row_title(&mt($crstype))
-                 .$courseinfo{'description'}
-        );
-        if ($content{'coursesec'}) {
-            $r->print(' ('.&mt('Section').': '.$content{'coursesec'}.')');
+    if ($content{'courseid'} ne '') {
+        if ($content{'courseid'} =~ m{^$match_domain\_$match_courseid$}) {
+            my %courseinfo;
+            %courseinfo=&Apache::lonnet::coursedescription($content{'courseid'},
+                                                           {'one_time' => 1});
+            my $description = $courseinfo{'description'};
+            if ($description ne '') {
+                $r->print(&Apache::lonhtmlcommon::row_title(&mt($crstype))
+                         .$description
+                );
+                if ($content{'coursesec'}) {
+                    $r->print(' ('.&mt('Section').': '.$content{'coursesec'}.')');
+                }
+                $r->print(&Apache::lonhtmlcommon::row_closure());
+            }
         }
-        $r->print(&Apache::lonhtmlcommon::row_closure());
     }
     $r->print(&Apache::lonhtmlcommon::row_title(&mt('Time'))
              .$content{'time'}