public function call( $method, $parameters ){
		$params	= array();
		foreach( $parameters as $parameter )
			$params[]	= '<param>'.self::encodeXmlParameter( $parameter ).'</param>';
		$method	= '<methodName>'.$method.'</methodName>';
		$params	= '<params>'.join( $params ).'</params>';
		$call	= '<methodCall>'.$method.$params.'</methodCall>';
		return self::parseResponse( Net_HTTP_Post::sendData( $this->url, $call ) );
	}