Index: branches/5.2.x/core/kernel/utility/http_query.php
===================================================================
diff -u -N -r14244 -r14585
--- branches/5.2.x/core/kernel/utility/http_query.php	(.../http_query.php)	(revision 14244)
+++ branches/5.2.x/core/kernel/utility/http_query.php	(.../http_query.php)	(revision 14585)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: http_query.php 14244 2011-03-16 20:53:41Z alex $
+* @version	$Id: http_query.php 14585 2011-09-24 12:04:17Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -105,7 +105,7 @@
 
 		$this->Order = $order;
 
-		if (array_key_exists('HTTP_X_REQUESTED_WITH', $_SERVER) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') {
+		if ( isset($_SERVER['HTTP_X_REQUESTED_WITH']) && $_SERVER['HTTP_X_REQUESTED_WITH'] == 'XMLHttpRequest') {
 			// when AJAX request is made from jQuery, then create ajax variable,
 			// so any logic based in it (like redirects) will not break down
 			$_GET['ajax'] = 'yes';
@@ -805,9 +805,11 @@
 
 	function writeRequestLog($filename)
 	{
-		$folder_path = dirname(FULL_PATH.'/'.$filename);
-		if (is_writable($folder_path)) {
-			$fp = fopen(FULL_PATH.'/'.$filename, 'a');
+		$log_file = (defined('RESTRICTED') ? RESTRICTED : FULL_PATH) . '/' . $filename;
+
+		if ( is_writable( dirname($log_file) ) ) {
+			$fp = fopen($log_file, 'a');
+
 			if ($fp) {
 				$session =& $this->Application->recallObject('Session');
 				$user_id = $session->GetField('PortalUserId');