require_once 'openid.php';
	$openid = new LightOpenID("marktplatz-mittelalter.de");

	$openid->identity = 'https://www.google.com/accounts/o8/id';
	$openid->required = array(
				'namePerson/first',
  '				namePerson/last',
				'contact/email',
			);
	$openid->returnUrl = 'http://marktplatz-mittelalter.de/anmelden_google.php';
	$open_url = $openid->authUrl();