--- loncom/interface/lonmsgdisplay.pm	2015/06/09 21:22:56	1.181
+++ loncom/interface/lonmsgdisplay.pm	2017/03/15 20:58:12	1.184
@@ -1,7 +1,7 @@
 # The LearningOnline Network with CAPA
 # Routines for messaging display
 #
-# $Id: lonmsgdisplay.pm,v 1.181 2015/06/09 21:22:56 damieng Exp $
+# $Id: lonmsgdisplay.pm,v 1.184 2017/03/15 20:58:12 raeburn Exp $
 #
 # Copyright Michigan State University Board of Trustees
 #
@@ -102,6 +102,8 @@ use HTML::TokeParser();
 use Apache::Constants qw(:common);
 use Apache::loncommon();
 use Apache::lonhtmlcommon();
+use Apache::longroup;
+use Apache::lonnavmaps;
 use Apache::lontexconvert();
 use HTML::Entities();
 use Apache::lonlocal;
@@ -773,14 +775,24 @@ sub groupmail_header {
               text=>"Groups",
               title=>$brtitle});
     }
-    &Apache::lonhtmlcommon::add_breadcrumb
-        ({href=>"/adm/$cdom/$cnum/$group/smppg?$refarg",
-          text=>"Group: $description",
-          title=>"Go to group's home page"},
-         {href=>"/adm/email?compose=group&group=".
-                "$env{'form.group'}&$refarg",
-          text=>"Send a Message in a Group",
-          title=>"Compose Group Message"},);
+    my $view_permission =
+          &Apache::lonnet::allowed('vcg',$env{'request.course.id'}.($env{'request.course.sec'}?'/'.$env{'request.course.sec'}:''));
+    my $navmap=Apache::lonnavmaps::navmap->new();
+    my $grouppagelink = &Apache::longroup::get_group_link($cdom,$cnum,$group,$navmap,$view_permission,$refarg);
+    if ($grouppagelink) {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({href=>$grouppagelink,
+              text=>"Group: $description",
+              title=>"Go to group's home page"},);
+    } else {
+        &Apache::lonhtmlcommon::add_breadcrumb
+            ({text=>"Group: $description",});
+    }
+    &Apache::lonhtmlcommon::add_breadcrumb   
+          ({href=>"/adm/email?compose=group&group=".
+                     "$env{'form.group'}&$refarg",
+               text=>"Send a Message in a Group",
+               title=>"Compose Group Message"},);
     if ($action eq 'sending') {
             &Apache::lonhtmlcommon::add_breadcrumb
                          ({text=>"Messages being sent.",
@@ -1400,11 +1412,14 @@ sub compout {
                                        'to'   => 'To:',
                                       );
     my %attachmax = (
-                     text => &mt('(128 KB max size)'),
-                     num  => 131072,
+                     text => &mt('(1 MB max size)'),
+                     num  => 1048576,
                     );
     if (!$forwarding && !$multiforward) {
-        $attachrow = '<tr><td colspan="3"><b>'.$lt{'atta'}.'</b> '.$attachmax{'text'}.': <input type="file" name="attachment" /></td></tr>';
+        $attachrow = '<tr><td colspan="3"><b>'.$lt{'atta'}.'</b> '.$attachmax{'text'}
+            .': <input type="file" name="attachment" class="flUpload" multiple />'
+            .'</td></tr>'
+            .'<input type="hidden" id="free_space" value="'.$attachmax{'num'}.'" />';
     }
     if (&Apache::lonnet::allowed('srm',$env{'request.course.id'})
 	|| &Apache::lonnet::allowed('srm',$env{'request.course.id'}.
@@ -2174,7 +2189,8 @@ sub displaymessage {
     my @actionlist;
     if ($env{'user.adv'}) {
 
-	if (&Apache::lonnet::allowed('vgr',$env{'request.course.id'})) {
+	if (($env{'request.course.id'}) && ($from_student) &&
+            (&Apache::lonnet::allowed('vgr',$env{'request.course.id'}))) {
 		push(@actionlist,&Apache::loncommon::track_student_link(
                                       'View recent activity'
                                      ,$content{'sendername'}
@@ -2667,6 +2683,8 @@ sub header {
     if ($baseurl) {
 	$extra .= "<base href=\"".&Apache::lonnet::absolute_url()."/$baseurl\" />";
     }
+    $extra .= '<script type="text/javascript"
+                src="/res/adm/includes/file_upload.js"></script>';
     $r->print(&Apache::loncommon::start_page('Messages',
  					$extra));
     $r->print(&Apache::lonhtmlcommon::breadcrumbs