code: public Tabs setAjaxLoadEvent(ITabsAjaxEvent loadEvent)
  	{
  		this.ajaxEvents.put(TabEvent.load, loadEvent);
  		setLoadEvent(new TabsAjaxJsScopeUiEvent(this, TabEvent.load));
  		return this;
  	}
docs: Sets the call-back for the AJAX Load event.
  
  @param loadEvent
  The ITabsAjaxEvent.