Index: trunk/core/units/general/cat_event_handler.php
===================================================================
diff -u -N -r8365 -r8369
--- trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 8365)
+++ trunk/core/units/general/cat_event_handler.php	(.../cat_event_handler.php)	(revision 8369)
@@ -303,7 +303,7 @@
 
 		// add category filter if needed
 		if ($event->Special != 'showall') {
-			if ( $event->getEventParam('parent_cat_id') ) {
+			if ($event->getEventParam('parent_cat_id') !== false) {
 				$parent_cat_id = $event->getEventParam('parent_cat_id');
 			}
 			else {
@@ -1800,6 +1800,21 @@
 			}
 		}
 	}
+	
+	/**
+	 * Deletes items & preserves clean env
+	 *
+	 * @param kEvent $event
+	 */
+	function OnMassDelete(&$event)
+	{
+		parent::OnMassDelete($event);
+		
+		if ($event->status == erSUCCESS && !$this->Application->IsAdmin()) {
+			$event->SetRedirectParam('pass', 'm');
+			$event->SetRedirectParam('m_cat_id', 0);
+		}
+	}
 }
 
 ?>
\ No newline at end of file