// JavaScript Document
var images = new Array("images/kug.png","images/kung1.png","images/kung2.png","images/kung3.png");
var delay = 6000;
var number = 0;
var ImgCount = images.length;
ImgRow = new Image();
ImgRow.src = images[number];
	
function changeImg() {
	var element = $('austausch');
	if(element == null) return;
	number++;
	if(number == ImgCount) number = 0;
	ImgRow.src = images[number];
	element.src = "" + ImgRow.src + "";
	this.fade();
}
	
function fade(step) {
	var element = $('austausch');
	step = step || 0;

    element.style.opacity = step/100;
    element.style.filter = "alpha(opacity=" + step + ")"; // IE

    step = step + 1;

    if (step <= 100) {
       	window.setTimeout(function () { fade(step); }, 20);
    }
}
//var element = ;
//alert(element);

setInterval(function() { changeImg(); }, delay);