Index: branches/5.2.x/core/units/helpers/category_helper.php
===================================================================
diff -u -N -r15042 -r15137
--- branches/5.2.x/core/units/helpers/category_helper.php	(.../category_helper.php)	(revision 15042)
+++ branches/5.2.x/core/units/helpers/category_helper.php	(.../category_helper.php)	(revision 15137)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: category_helper.php 15042 2012-01-16 09:14:58Z alex $
+* @version	$Id: category_helper.php 15137 2012-03-04 08:06:21Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -88,7 +88,7 @@
 					}
 
 					$module_prefix = $module_info['Var'];
-					$object =& $this->Application->recallObject($module_prefix);
+					$object = $this->Application->recallObject($module_prefix);
 					/* @var $object kCatDBItem */
 
 					$title_field = $this->Application->getUnitOption($module_prefix, 'TitleField');
@@ -299,7 +299,7 @@
 			$cached_path = $this->Application->getCache($cache_key);
 
 			if ( $cached_path === false ) {
-				$ml_formatter =& $this->Application->recallObject('kMultiLanguage');
+				$ml_formatter = $this->Application->recallObject('kMultiLanguage');
 				/* @var $ml_formatter kMultiLanguage */
 
 				$navbar_field = $ml_formatter->LangFieldName('CachedNavBar');
@@ -495,7 +495,7 @@
 			}
 
 			// generate structure tree from scratch
-			$ml_helper =& $this->Application->recallObject('kMultiLanguageHelper');
+			$ml_helper = $this->Application->recallObject('kMultiLanguageHelper');
 			/* @var $ml_helper kMultiLanguageHelper */
 
 			$languages = $ml_helper->getLanguages();
@@ -595,7 +595,7 @@
 				return $this->_structureTree;
 			}
 
-			$themes_helper =& $this->Application->recallObject('ThemesHelper');
+			$themes_helper = $this->Application->recallObject('ThemesHelper');
 			/* @var $themes_helper kThemesHelper */
 
 			$data = $this->_getStructureTree();