{
instance.getElement().setId(message.get(String.class, LayoutParts.DOMID));
RootPanel.get().add(instance);
LayoutHint.attach(instance, new LayoutHintProvider() {
public int getHeightHint() {
return Window.getClientHeight() - instance.getAbsoluteTop() - 20;
}
public int getWidthHint() {