public function getVCard($jid = Null) {
		$id = $this->getID();
		$this->addIdHandler($id, 'vcard_get_handler');
		if($jid) {
			$this->send("<iq type='get' id='$id' to='$jid'><vCard xmlns='vcard-temp' /></iq>");
		} else {
			$this->send("<iq type='get' id='$id'><vCard xmlns='vcard-temp' /></iq>");
		}
	}