popup.getElement().getStyle().setProperty("zIndex", "150");
popup.addCloseHandler(new CloseHandler<PopupPanel>(){
public void onClose(CloseEvent<PopupPanel> event) {
popup.hide();
lightbox.getStyle().setProperty("display", "none");
PhotoUnfocusEvent evt = new PhotoUnfocusEvent();
evt.setPhotoIndex(lastFocusEvent.getPhotoIndex());
evt.setPhoto(lastFocusEvent.getPhoto());
handlerManager.fireEvent(evt);
}
});
}