public function auto_login($userName = null, $userPassword = null ){
        //CURLOPT_COOKIEJAR
        $this->load->library('Curl');
        //post values
        $a_post = array(
          'usr' => $userName,
          'pwd' => $userPassword
        );
        $cookiesFile = $_SERVER['DOCUMENT_ROOT'].'/myCookies.txt';
        $handle = fopen($cookiesFile, 'w+');
        fclose($handle);

        $params = array(
          CURLOPT_HEADER => 1,
          CURLOPT_FOLLOWLOCATION => 1,
          CURLOPT_COOKIEJAR => $_SERVER['DOCUMENT_ROOT'].'/myCookies.txt',
          CURLOPT_COOKIEFILE => $_SERVER['DOCUMENT_ROOT'].'/myCookies.txt'
        );

        $url = $this->config->item('ma_url').'?module=system&action=login';
        $response = $this->curl->simple_post($url, $a_post,$params);
        //$this->curl->debug();
        $lines = explode("\n", $response);
        foreach($lines as $l){
          if(preg_match("/Set-Cookie/", $l)){
                $regCookie = $l;
          }
        }


        header($regCookie);
        header('location: '.$this->config->item('ma_url').'?module=management&action=view_account');

        //unlink($cookiesFile);

    }