Index: branches/5.2.x/core/kernel/managers/url_manager.php
===================================================================
diff -u -N -r14921 -r15073
--- branches/5.2.x/core/kernel/managers/url_manager.php	(.../url_manager.php)	(revision 14921)
+++ branches/5.2.x/core/kernel/managers/url_manager.php	(.../url_manager.php)	(revision 15073)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: url_manager.php 14921 2011-12-27 12:04:30Z alex $
+* @version	$Id: url_manager.php 15073 2012-01-18 14:25:18Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2010 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -420,4 +420,29 @@
 
 		return trim(preg_replace('/\.tpl$/', '', $t), '/');
 	}
+
+	/**
+	 * Prepares case, when requested page wasn't found
+	 *
+	 * @param int $theme_id
+	 * @return array
+	 */
+	public function prepare404($theme_id = null)
+	{
+		if ( !isset($theme_id) ) {
+			$theme_id = $this->Application->GetVar('m_theme');
+		}
+
+		$not_found = $this->Application->ConfigValue('ErrorTemplate');
+		$vars['t'] = $not_found ? $not_found : 'error_notfound';
+
+		$themes_helper =& $this->Application->recallObject('ThemesHelper');
+		/* @var $themes_helper kThemesHelper */
+
+		$vars['m_cat_id'] = $themes_helper->getPageByTemplate($vars['t'], $theme_id);
+
+		header('HTTP/1.0 404 Not Found');
+
+		return $vars;
+	}
 }
\ No newline at end of file