$(document).ready(function() {
	
	var news = new Image();
	news.src = "../images/button_news.gif";
	var information = new Image();
	information.src = "../images/button_information.gif";
	var archiv = new Image();
	archiv.src = "../images/button_archiv.gif";
	var blank = new Image();
	blank.src = "../images/blank.gif";
	
	$('#news').mouseover(function() {
		this.src = news.src;
	});
	
	$('#information').mouseover(function() {
		this.src = information.src;
	});
	
	$('#archiv').mouseover(function() {
		this.src = archiv.src;
	});
	
	$('.button').mouseout(function() {
		this.src = blank.src;
	});
	
	$('.blurable').click(function() {
		this.blur();
	});
});