Index: branches/5.1.x/core/units/categories/categories_tag_processor.php
===================================================================
diff -u -N -r14241 -r14370
--- branches/5.1.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 14241)
+++ branches/5.1.x/core/units/categories/categories_tag_processor.php	(.../categories_tag_processor.php)	(revision 14370)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: categories_tag_processor.php 14241 2011-03-16 20:24:35Z alex $
+* @version	$Id: categories_tag_processor.php 14370 2011-06-20 13:28:14Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -270,8 +270,12 @@
 			unset($params['direct_link']);
 		}
 
-		unset($params['cat_id'], $params['module']);
+		if ( isset($this->Application->structureTemplateMapping['id:' . $category_id]) && preg_match('/external:(.*)/', $this->Application->structureTemplateMapping['id:' . $category_id], $rets) ) {
+			// external url
+			return $rets[1];
+		}
 
+		unset($params['cat_id'], $params['module']);
 		$new_params = Array ('pass' => 'm', 'm_cat_id' => $category_id, 'pass_category' => 1);
 		$params = array_merge_recursive2($params, $new_params);