Index: branches/5.0.x/core/units/helpers/cat_dbitem_export_helper.php
===================================================================
diff -u -r12343 -r12511
--- branches/5.0.x/core/units/helpers/cat_dbitem_export_helper.php	(.../cat_dbitem_export_helper.php)	(revision 12343)
+++ branches/5.0.x/core/units/helpers/cat_dbitem_export_helper.php	(.../cat_dbitem_export_helper.php)	(revision 12511)
@@ -1,6 +1,6 @@
 <?php
 /**
-* @version	$Id: cat_dbitem_export_helper.php 12343 2009-08-18 10:32:30Z alex $
+* @version	$Id: cat_dbitem_export_helper.php 12511 2009-09-15 19:27:06Z alex $
 * @package	In-Portal
 * @copyright	Copyright (C) 1997 - 2009 Intechnic. All rights reserved.
 * @license      GNU/GPL
@@ -509,7 +509,7 @@
 				if ($this->exportOptions['IsBaseCategory'] ) {
 					$sql = 'SELECT ParentPath
 							FROM '.TABLE_PREFIX.'Category
-							WHERE CategoryId = '.$this->Application->GetVar('m_cat_id');
+							WHERE CategoryId = ' . (int)$this->Application->GetVar('m_cat_id');
 					$parent_path = $this->Conn->GetOne($sql);
 					$parent_path = explode('|', substr($parent_path, 1, -1));
 					if ($parent_path && $parent_path[0] == $this->Application->findModule('Name', 'Core', 'RootCat')) {
@@ -760,7 +760,7 @@
 					// get category id from database by name
 					$sql = 'SELECT CategoryId
 							FROM '.TABLE_PREFIX.'Category
-							WHERE ('.$lang_prefix.'Name = '.$this->Conn->qstr($category_name).') AND (ParentId = '.$current_category_id.')';
+							WHERE ('.$lang_prefix.'Name = '.$this->Conn->qstr($category_name).') AND (ParentId = '.(int)$current_category_id.')';
 					$category_id = $this->Conn->GetOne($sql);
 
 					if ($category_id === false) {
@@ -824,10 +824,16 @@
 
 				if (count($load_keys)) {
 					$where_clause = '';
+					$language_id = (int)$this->Application->GetVar('m_lang');
+
+					if (!$language_id) {
+						$language_id = 1;
+					}
+
 					foreach ($load_keys as $field_name => $field_value) {
 						if (preg_match('/^cust_(.*)/', $field_name, $regs)) {
 							$custom_id = array_search($regs[1], $this->customFields);
-							$field_name = 'l'.$this->Application->GetVar('m_lang').'_cust_'.$custom_id;
+							$field_name = 'l'.$language_id.'_cust_'.$custom_id;
 							$where_clause .= '(custom_data.`'.$field_name.'` = '.$this->Conn->qstr($field_value).') AND ';
 						}
 						else {