Horde_Service_Scribd::login PHP Method

    public function login($username, $password)
    {
        $method = "user.login";
        $params['username'] = $username;
        $params['password'] = $password;
        $result = $this->postRequest($method, $params);
        $this->_config['session_key'] = $response->session_key();
        return $result;
    }