Index: program/include/main.inc
===================================================================
--- program/include/main.inc	(revision 29c64b0bdd3ee16532ed5f390044e5d5bec5bdec)
+++ program/include/main.inc	(revision f94629e62b97b8f7cd31ff0339c8d443eea8610f)
@@ -1145,10 +1145,9 @@
 
   $cname = null;
-  $folder_lc = strtolower($folder_id);
-  
+
   // for these mailboxes we have localized labels and css classes
   foreach (array('inbox', 'sent', 'drafts', 'trash', 'junk') as $smbx)
   {
-    if ($folder_lc == $smbx || $folder_id == $CONFIG[$smbx.'_mbox'])
+    if ($folder_id == $CONFIG[$smbx.'_mbox'])
       $cname = $smbx;
   }