Button withPopupFeaturesButton = new Button(
"Open with features and fragment");
BrowserWindowOpener featuresPopup = new BrowserWindowOpener(
"/statictestfiles/static.html#originalfragment");
featuresPopup.setFeatures("width=400,height=400");
featuresPopup.extend(withPopupFeaturesButton);
featuresPopup.setUriFragment("myFragment");
addComponent(withPopupFeaturesButton);
Button withParametersButton = new Button("Open UI with parameters");
BrowserWindowOpener parametersOpener = new BrowserWindowOpener(