public void buttonClick(ClickEvent event) {
Date dStart = (Date) startDF.getValue();
Date dEnd = (Date) endDF.getValue();
System.out.println(dStart.toString() + " " + dEnd.toString());
me.getApplication().getMainWindow().setContent(new HistoryPageUI(user, dStart, dEnd));
me.getApplication().getMainWindow().removeWindow(me);
}
});
vl.addComponent(startDF);