Index: trunk/core/kernel/event_handler.php
===================================================================
diff -u -r3214 -r3220
--- trunk/core/kernel/event_handler.php	(.../event_handler.php)	(revision 3214)
+++ trunk/core/kernel/event_handler.php	(.../event_handler.php)	(revision 3220)
@@ -236,9 +236,10 @@
 			$db =& $this->Application->GetADODBConnection();
 			$id_field = $this->Application->getUnitOption($event->Prefix, 'IDField');
 			$table = $this->Application->getUnitOption($event->Prefix, 'TableName');
-			$sql = 'SELECT '.$id_field.'
-					FROM '.$table.'
-					WHERE Filename = '.$db->qstr($url_part);
+			$sql = 'SELECT item_table.'.$id_field.'
+					FROM '.$table.' item_table
+					LEFT JOIN '.TABLE_PREFIX.'CategoryItems cat_items ON item_table.ResourceId = cat_items.ItemResourceId
+					WHERE (item_table.Filename = '.$db->qstr($url_part).') AND (cat_items.CategoryId = '.$this->Application->GetVar('m_cat_id').')';
 			$item_id = $db->GetOne($sql);
 			if($item_id !== false)		
 			{