Index: branches/5.1.x/core/units/categories/categories_event_handler.php
===================================================================
diff -u -N -r14320 -r14369
--- branches/5.1.x/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 14320)
+++ branches/5.1.x/core/units/categories/categories_event_handler.php	(.../categories_event_handler.php)	(revision 14369)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_event_handler.php 14320 2011-05-20 07:57:32Z alex $
+* @version	$Id: categories_event_handler.php 14369 2011-06-20 13:26:55Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -119,6 +119,15 @@
 				return $perm_helper->finalizePermissionCheck($event, $perm_value);
 			}
 
+			if ($event->Name == 'OnRecalculatePriorities') {
+				$perm_helper =& $this->Application->recallObject('PermissionsHelper');
+				/* @var $perm_helper kPermissionsHelper */
+
+				$category_id = $this->Application->GetVar('m_cat_id');
+
+				return $perm_helper->AddCheckPermission($category_id, $event->Prefix) || $perm_helper->ModifyCheckPermission(0, $category_id, $event->Prefix);
+			}
+
 			if ($event->Name == 'OnPasteClipboard') {
 				// forces permission check to work by current category for "Paste In Category" operation
 				$category_id = $this->Application->GetVar('m_cat_id');