     * @param Sabai $application
     * @param string $id
     * @param mixed $url
     * @param string $callback Javascript callback func
     * @param bool $return
     */
    public function help(Sabai $application, $id, $url, $callback = null, $return = false)
    {
        $url = $application->Url($url); // convert to SabaiFramework_Application_Url