Index: trunk/core/kernel/event_manager.php
===================================================================
diff -u -N -r4637 -r4689
--- trunk/core/kernel/event_manager.php	(.../event_manager.php)	(revision 4637)
+++ trunk/core/kernel/event_manager.php	(.../event_manager.php)	(revision 4689)
@@ -265,6 +265,7 @@
 				$event->redirect = true;
 				
 				$event_handler =& $this->Application->recallObject($event->Prefix.'_EventHandler');
+				$event->setEventParam('top_prefix', $this->Application->GetTopmostPrefix($event->Prefix));
 				if (($this->Application->GetVar('u_id') == -1) || $event_handler->CheckPermission($event)) {
 					$this->HandleEvent($event);
 				}