function whatLangIncludeFile($file = '') {

        if(!empty($_SESSION['user_lang'])) {
            $lang = $file.$_SESSION['user_lang'].'.php';
            if (file_exists($lang)) include $lang;

        } elseif(!empty($_COOKIE['user_lang'])) {
            $lang = $file.$_COOKIE['user_lang'].'.php';
            if (file_exists($lang)) include $lang;

        } else {
            $lang = $file.'lv.php';
            if (file_exists($lang)) include $lang;
        }
        #return $return;
        echo $return;
    }