public void showNextSlide() {
	if(slideList.get(slidePanel.currentSlide.getSlideID()).getLastSlide()==false){
		int nextSlideID	 = slidePanel.currentSlide.getSlideID() + 1;
		Slide nextSlide = slideList.get(nextSlideID);
		slidePanel.refreshSlide(nextSlide);
		
		previousSlideButton.setBorderPainted(true);
		if(slidePanel.currentSlide.getLastSlide()==true){
			nextSlideButton.setBorderPainted(false);
		}
	}
}