function MM_findObj(n, d) {
  var p,i,x;  if(!d) d=document; if((p=n.indexOf("?"))>0&&parent.frames.length) {
    d=parent.frames[n.substring(p+1)].document; n=n.substring(0,p);}
  if(!(x=d[n])&&d.all) x=d.all[n]; for (i=0;!x&&i<d.forms.length;i++) x=d.forms[i][n];
  for(i=0;!x&&d.layers&&i<d.layers.length;i++) x=MM_findObj(n,d.layers[i].document);
  if(!x && document.getElementById) x=document.getElementById(n); return x;
}

function MM_swapImage() {
  var i,j=0,x,a=MM_swapImage.arguments; document.MM_sr=new Array; for(i=0;i<(a.length-2);i+=3)
   if ((x=MM_findObj(a[i]))!=null){document.MM_sr[j++]=x; if(!x.oSrc) x.oSrc=x.src; x.src=a[i+2];}
}

function MM_swapImgRestore() {
  var i,x,a=document.MM_sr; for(i=0;a&&i<a.length&&(x=a[i])&&x.oSrc;i++) x.src=x.oSrc;
}

//--------------------------------------------------------------------------------------

	var ie= ((document.all)&&(!document.layers)) ? true : false;
	var ns= ((document.layers)&&(!document.getElementById)) ? true : false;
	var moz= ((document.getElementById)&&(!document.all)) ? true : false;

function show(div){
if(ie) (document.all[div].style.visibility="visible")
if(ns) {document.layers[div].visibility="show";}
if(moz) {document.getElementById(div).style.visibility="visible";}
}

function hide(div){
if(ie) (document.all[div].style.visibility="hidden")
if(ns) (document.layers[div].visibility="hide")
if(moz) (document.getElementById(div).style.visibility="hidden")
}

function zeige (element) {

if (document.getElementById)
    document.getElementById(element).style.display = "block";
  else
  	alert("Element kann nicht angezeigt werden!");
}
function verstecke (element) {

if (document.getElementById)
    document.getElementById(element).style.display = "none";
  else
  	alert("Element kann nicht angezeigt werden!");
}