public function action_save()
    {
        $login = $this->request->post('username');
        $username = $this->request->post('editusername');
        $password = $this->request->post('password');
        $email = $this->request->post('email');
        $model = Model::factory('user')->checkifavaible($username, $email);
        echo $istnieje;
    }