var layer_languages = new Layer("languages", "");
var layer_login = new Layer("login", "");
var headerLayerGroup = new LayerGroup();
headerLayerGroup.setLayerGroup(new Array(layer_login, layer_languages));

var urlLanguages = '/nh/Layer.Controller?event=4&parentDocumentDivToCloseId=languages';
var urlLogin = '/nh/Layer.Controller?event=5&parentDocumentDivToCloseId=login';

function logout(url) {
	if (url == null) window.location = 'http://www.nh-hotels.com/nhsso/SSO.Controller?event=2&language=en';
	else window.location = url;
}