if (!function_exists('select_language')) {
    function select_language($lang = FALSE, $langs_array = FALSE)
    {
        if (empty($lang) || empty($langs_array)) {
            throw_on_404();
        }

        $CI = &get_instance();
        $protocol = (isset($_SERVER['HTTPS']) ? "https" : "http");
        $host = '://' . $_SERVER['HTTP_HOST'];
        $get_data = $_SERVER['QUERY_STRING'];

        $current_lang = strtolower($lang);

        unset($langs_array[$current_lang]);

        $CI->load->view('layouts/pages/langs', array('langs_array' => $langs_array, 'protocol' => $protocol, 'host' => $host, 'get_data' => $get_data));
    }
}