final MultiLineLabel statusLabel = new MultiLineLabel("status",
new PropertyModel(this, "message"));
statusLabel.setOutputMarkupId(true);
final Label tickerLabel =new Label("ticker",new PropertyModel(this,"ticker"));
tickerLabel.setOutputMarkupId(true);
add(new AbstractAjaxTimerBehavior(Duration.seconds(3))
{
protected void onTimer(AjaxRequestTarget target)
{
setMessage(deployer.getMessage());
target.addComponent(tickerLabel);