var fJS = false;
var bn = navigator.appName;
var vn = navigator.appVersion.substring(0,1);
var nn=document.layers?true:false;
var ie=document.all?true:false;
var anzahl = 17;
var anzahlPos = 3;
var pic1 = 0;
var	pic2 = 0;
var pos1 = 0;
var	pos2 = 1;
var oldPic1 = 0;
var	oldPic2 = 0;

produktPic = new Array(anzahl);
      
function init() {
	pic1 = 0;
	pic2 = 0;
	pos1 = 0;
	pos2 = 1;
	voldPic1 = 0;
	oldPic2 = 0;
	
	if (nn) {
		if (window.innerWidth > 525) {
			document["produktBild1"].left = document["produktBild1"].left + ((window.innerWidth-525)/2) ;
			document["produktBild2"].left = document["produktBild2"].left + ((window.innerWidth-525)/2);
			document["produktBild3"].left = document["produktBild3"].left + ((window.innerWidth-525)/2);
		}
		
	}
	if (ie) {
		if (document.body.clientWidth > 525) {
			document.all["produktBild1"].style.left = 360 + ((document.body.clientWidth-525)/2);
			document.all["produktBild2"].style.left = 450 + ((document.body.clientWidth-525)/2);
			document.all["produktBild3"].style.left = 355 + ((document.body.clientWidth-525)/2);
		}
	}
	
	if (((bn == "Netscape") && (vn >= "3")) || ((bn == "Microsoft Internet Explorer") && (vn >= "4"))) {
		// Btns vorladen.
		for (i=1;i<=anzahl;i++) {
			produktPic[i] = new Image();
			produktPic[i].src = "gif/p_show" + i + ".gif";
		}
		fJS = true;
	}
	startShow();
}

function startShow() {
	if (nn) {
		for (i=1;i<=anzahlPos;i++) {
			document["produktBild" + i].document.images["p" + i].src = "gif/spacer.gif";
		}
	}
	if (ie) {
		for (i=1;i<=anzahlPos;i++) {
			document.images["p" + i].src = "gif/spacer.gif";
		}
	}
	pic1 = 1 + Math.floor(Math.random()*(anzahl));
	while(((pic1 > 12) && (pic1 < 20) && (pic1 != 23)) || (pic1 == oldPic1) || (pic1 == oldPic2)) pic1 = 1 + Math.floor(Math.random()*(anzahl));
	pic2 = 1 + Math.floor(Math.random()*(anzahl));
	while(((pic2 > 12) && (pic2 < 20) && (pic1 != 23)) || (pic2 == pic1) || (pic2 == oldPic2) || (pic2 == oldPic1)) pic2 = 1 + Math.floor(Math.random()*(anzahl));
	oldPic1 = pic1;
	oldPic2 = pic2;
	pos1 += 1;
	if (pos1 > anzahlPos) pos1 = 1;
	pos2 += 1;
	if (pos2 > anzahlPos) pos2 = 1;
	if (nn) {
		document["produktBild" + pos1].document.images["p" + pos1].src = produktPic[pic1].src;
		document["produktBild" + pos2].document.images["p" + pos2].src = produktPic[pic2].src;
	}
	if (ie) {
		document.images["p" + pos1].src = produktPic[pic1].src;
		document.images["p" + pos2].src = produktPic[pic2].src;
	}
	//alert(pic1 + "/"+ pic2);
	aktion = setTimeout("startShow()", 3000);
}