// Checking for availability of a corresponding language file.
if (!file_exists(api_get_path(SYS_PATH).'main/inc/lib/fckeditor/editor/plugins/ajaxfilemanager/langs/'.$langajaxfilemanager.'.php'))
{
// If there was no language file, use the english one.
$editor_lang = 'en';
$langajaxfilemanager = 'en';
}
$langajaxfilemanager = $editor_lang;
define('CONFIG_LANG_INDEX', 'language'); //the index in the session
define('CONFIG_LANG_DEFAULT', (CONFIG_QUERY_STRING_ENABLE && !empty($_GET['language']) && file_exists(DIR_LANG . secureFileName($_GET['language']) . '.php')?secureFileName($_GET['language']):$langajaxfilemanager)); //change it to be your language file base name, such en