code: public void setAjaxStartEvent(ISliderAjaxEvent ajaxStartEvent)
  	{
  		this.ajaxEvents.put(SliderAjaxEvent.ajaxStartEvent, ajaxStartEvent);
  		setSlideEvent(new SliderAjaxJsScopeUiEvent(this, SliderAjaxEvent.ajaxStartEvent));
  	}
docs: Sets the call-back for the AJAX Start Event.
  
  @param ajaxStartEvent
  The ISliderAjaxEvent.