Index: branches/5.2.x/core/units/languages/languages_item.php
===================================================================
diff -u -N -r15545 -r15621
--- branches/5.2.x/core/units/languages/languages_item.php	(.../languages_item.php)	(revision 15545)
+++ branches/5.2.x/core/units/languages/languages_item.php	(.../languages_item.php)	(revision 15621)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: languages_item.php 15545 2012-09-27 10:54:08Z alex $
+* @version	$Id: languages_item.php 15621 2012-11-08 13:54:14Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -209,11 +209,11 @@
 
 				if (
 					!$this->Application->isAdmin && !defined('GW_NOTIFY') && preg_match('/[\/]{0,1}index.php[\/]{0,1}/', $_SERVER['PHP_SELF']) &&
-					$this->Application->HttpQuery->isEmptyUrl() && $this->Application->ConfigValue('UseContentLanguageNegotiation')
+					!$this->Application->HttpQuery->refererIsOurSite() && $this->Application->ConfigValue('UseContentLanguageNegotiation')
 				) {
 					$language_id = $this->processAcceptLanguage();
 
-					if ($language_id != $this->GetID()) {
+					if ( $language_id != $this->GetID() ) {
 						// redirect to same page with found language
 						$url_params = Array (
 							'm_cat_id' => 0, 'm_cat_page' => 1,