Index: branches/5.1.x/core/kernel/session/inp_session.php
===================================================================
diff -u -N -r12657 -r13086
--- branches/5.1.x/core/kernel/session/inp_session.php	(.../inp_session.php)	(revision 12657)
+++ branches/5.1.x/core/kernel/session/inp_session.php	(.../inp_session.php)	(revision 13086)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: inp_session.php 12657 2009-10-04 20:07:31Z alex $
+* @version	$Id: inp_session.php 13086 2010-01-12 19:47:40Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -9,7 +9,7 @@
 * the GNU General Public License, and as distributed it includes
 * or is derivative of works licensed under the GNU General Public License
 * or other free or open source software licenses.
-* See http://www.in-portal.net/license/ for copyright notices and details.
+* See http://www.in-portal.org/license for copyright notices and details.
 */
 
 	defined('FULL_PATH') or die('restricted access!');
@@ -28,7 +28,7 @@
 				$cookie_name = 'sid';
 			}
 
-			$admin_session = ($this->Application->IsAdmin() && $special !== 'front') || ($special == 'admin');
+			$admin_session = ($this->Application->isAdmin && $special !== 'front') || ($special == 'admin');
 
 			if ($admin_session) {
 				$cookie_name = 'adm_' . $cookie_name;
@@ -56,7 +56,7 @@
 
 			parent::Init($prefix, $special);
 
-			if (!$this->Application->IsAdmin() && $this->GetField('PortalUserId') <= 0) {
+			if (!$this->Application->isAdmin && $this->GetField('PortalUserId') <= 0) {
 				$group_list = $this->Application->ConfigValue('User_GuestGroup').','.$this->Application->ConfigValue('User_LoggedInGroup');
 				$this->SetField('GroupId', $this->Application->ConfigValue('User_GuestGroup'));
 				$this->SetField('GroupList', $group_list);
@@ -114,8 +114,8 @@
 	function StoreSession(&$session, $additional_fields = Array())
 	{
 		$fields_hash = Array (
-			'PortalUserId'	=>	$this->Application->IsAdmin() ? 0 : -2, // Guest
-			'Language'		=>	$this->Application->GetDefaultLanguageId(),
+			'PortalUserId'	=>	$this->Application->isAdmin ? 0 : -2, // Guest
+			'Language'		=>	$this->Application->GetDefaultLanguageId(true),
 			'Theme'			=>	$this->Application->GetDefaultThemeId(),
 			'IpAddress'		=>	$_SERVER['REMOTE_ADDR'], // getenv('REMOTE_ADDR') won't work on IIS, so use $_SERVER instead
 			'GroupId'		=>	$this->Application->ConfigValue('User_GuestGroup'),