var bild=1
var maxBild=1
var diashowToggle=0
var diashowSpeed=2000

function verifyCompatibleBrowser(){ 
    this.ver=navigator.appVersion 
    this.dom=document.getElementById?1:0 
    this.ie5=(this.ver.indexOf("MSIE 5")>-1 && this.dom)?1:0; 
    this.ie4=(document.all && !this.dom)?1:0; 
    this.ns5=(this.dom && parseInt(this.ver) >= 5) ?1:0; 
 
    this.ns4=(document.layers && !this.dom)?1:0; 
    this.bw=(this.ie5 || this.ie4 || this.ns4 || this.ns5) 
    return this 
} 
bw=new verifyCompatibleBrowser() 
var loop, timer 
 
function setVisible(obj, nest, vis) {
    if (bw.dom?document.getElementById(obj):bw.ie4?document.all[obj]:bw.ns4?eval(nest+'document.'+obj):0) {
  	  css=bw.dom?document.getElementById(obj).style:bw.ie4?document.all[obj].style:bw.ns4?eval(nest+'document.'+obj):0; 
  	  if (vis == 0) {
  	    css.visibility='hidden';
  	  } else {
  	    css.visibility='visible';
      }
	}
}

function slideshowWeiter() {
  setVisible("divBild"+bild,"divContainerBilder",0);
  bild++;
  if (bild > maxBild) bild=1;
  setVisible("divBild"+bild,"divContainerBilder",1);
  if(loop) setTimeout(slideshowWeiter,diashowSpeed);
}

function slideshowZurueck() {
  setVisible("divBild"+bild,"divContainerBilder",0);
  bild--;
  if (bild < 1) bild=maxBild;
  setVisible("divBild"+bild,"divContainerBilder",1);
}

function slideshowToggle() {
  if (diashowToggle == 0) {
    loop = true;
    diashowToggle = 1;
	setTimeout(slideshowWeiter,diashowSpeed);
  } else {
    diashowToggle = 0;
	loop = false;
	if (timer) clearTimeout(timer);
  }
}