ver=navigator.appVersion;
dom=document.getElementById?1:0;
ie5=((ver.indexOf("MSIE 5")>-1 || ver.indexOf("MSIE 6")>-1) && dom)?1:0;
ie4=(document.all && !dom)?1:0;
ns5=(dom && parseInt(ver) >= 5) ?1:0;
ns4=(document.layers && !dom)?1:0;
//ns4=(document.layers && !this.dom)?1:0;
macns4=(ver.indexOf("Mac")!= -1 && ns4)?1:0;
macie=(ver.indexOf("Mac")!= -1 && ie5 || ie4)?1:0;
 
function show2(id){
	//alert("show " + id);
	if (document.layers) document.layers["teaserhomeDiv"].layers[id].visibility = "show";
    else if (ie4) document.all[id].style.visibility = "visible";
    else if (ns5 || ie5) document.getElementById(id).style.visibility ="visible";
}

function hide2(id){
	//alert("hide " + id);
    if (document.layers) document.layers["teaserhomeDiv"].layers[id].visibility = "hide";
    else if (ie4) document.all[id].style.visibility = "hidden";
    else if (ns5 || ie5) document.getElementById(id).style.visibility ="hidden";
}

var CurrentNum = 0;
var howMany = 0;
var teaserSlideShowArray;
var interval = 0;


function initTeaserSlideShow(Teaser, timeDelay) {
	howMany = Teaser.length;
	CurrentNum = 0;
	interval = timeDelay * 3000;
	teaserSlideShowArray = Teaser; 	
}

function startTeaserSlideShow() {
	if(teaserSlideShowArray.length > 0) {
		show2(teaserSlideShowArray[0]);
		setInterval("teaserSlideShow()", interval);
	}
}

function teaserSlideShow() {
	CurrentNum++;
	if (CurrentNum == howMany) {
		CurrentNum = 0;
	}

	for(i = 0 ; i < howMany ; i++) {
		hide2(teaserSlideShowArray[i]);
	}
	show2(teaserSlideShowArray[CurrentNum]);
}


function initTeaserSlideShow23(Teaser, timeDelay) {
	this.howMany = Teaser.length;
	this.interval = timeDelay * 2000;
	this.teaserSlideShowArray = Teaser;
}

var grosserTeaser;
var kleinerTeaser;
var grosserTeaserCurrentNum=0;
var kleinerTeaserCurrentNum=0;

function teaserSlideShow23(teaserSlideShowArray,CurrentNum23,howMany,welcher) {
	if(welcher=="grosser"){
		grosserTeaserCurrentNum++;
	}else{
		kleinerTeaserCurrentNum++;
	}
	CurrentNum23++;
	if (CurrentNum23 == howMany) {
		CurrentNum23 = 0;
		if(welcher=="grosser"){
			grosserTeaserCurrentNum= 0;
		}else{
			kleinerTeaserCurrentNum= 0;
		}
	}

	for(i = 0 ; i < howMany ; i++) {
		hide2(teaserSlideShowArray[i]);
	}
	show2(teaserSlideShowArray[CurrentNum23]);
}