//var ImgCount = 4;
var BName = "vvR";
var BildArr = new Array;
var mInit = false;
var memBi = 0;

function BildWechsel() {
	if (mInit) {
		memBi++;
		if (memBi >= ImgCount) { memBi = 0; }
		document.images[BName].src = BildArr[memBi].src;
	}
	window.setTimeout("BildWechsel()", 5000);
}

function init(){
	with(document) {
		BildArr[0] = new Image();
		BildArr[0].src = images[BName].src;
		for (i=1; i<ImgCount; i++) {
			BildArr[i] = new Image();
			BildArr[i].src = BildArr[0].src.replace(/1\.jpg/, (i+1)+".jpg");
		}
	}
	mInit = true;
	window.setTimeout("BildWechsel()", 5000);
}

init();