Index: category_helper.php
===================================================================
--- category_helper.php	(revision 13366)
+++ category_helper.php	(working copy)
@@ -155,6 +155,10 @@
 				array_splice($category_path, 0, $params['shift']);
 			}
 
+			if (array_key_exists('invert', $params) && $params['invert']) {
+				$category_path = array_reverse($category_path);
+			}
+
 			$module_info = $this->getCategoryModule($params, array_keys($category_path));
 
 			$module_category_id = $module_info['RootCat'];