code: @Override
  	public void decode(FacesContext context, UIComponent component) {
  	    // CarouselItem carouselItem = (CarouselItem) component;
  	
  		new AJAXRenderer().decode(context, component);	
  	}
docs: This methods receives and processes input made by the user. More specifically, it ckecks whether the
  user has interacted with the current b:carouselItem. The default implementation simply stores
  the input value in the list of submitted values. If the validation checks are passed,
  the values in the <code>submittedValues</code> list are store in the backend bean.
  @param context the FacesContext.
  @param component the current b:carouselItem.