function second_step_todopago()
{
    global $todopagoTransaccion;
    $order_id = isset($_GET['Order']) && is_numeric($_GET['Order']) ? $_GET['Order'] : null;
    $todopagoTransaccion = new TodopagoTransaccion();
    $response = callGAA($order_id);
    if ($response) {
        take_action($response, $order_id);
    }
}
function second_step_todopago($order)
{
    global $todopagoTransaccion;
    $todopagoTransaccion = new TodopagoTransaccion();
    $response = callGAA($order);
    if ($response) {
        take_action($response);
    } else {
        showError();
    }
}