if (document.images)
{

	eins0 = new Image()
	eins0.src = "nav/hauptnav-hochschule-off.gif"
	zwei0 = new Image()
	zwei0.src = "nav/hauptnav-studium-weiterbildung-off.gif"
	drei0 = new Image()
	drei0.src = "nav/hauptnav-international-off.gif"
	vier0 = new Image()
	vier0.src = "nav/hauptnav-forschung-transfer-off.gif"
	fuenf0 = new Image()
	fuenf0.src = "nav/hauptnav-firmen-off.gif"
	sechs0 = new Image()
	sechs0.src = "nav/hauptnav-alumni-off.gif"
	sieben0 = new Image()
	sieben0.src = "nav/hauptnav-aktuelles-off.gif"


	eins1 = new Image()
	eins1.src = "nav/hauptnav-hochschule-mo.gif"
	zwei1 = new Image()
	zwei1.src = "nav/hauptnav-studium-weiterbildung-mo.gif"
	drei1 = new Image()
	drei1.src = "nav/hauptnav-international-mo.gif"
	vier1 = new Image()
	vier1.src = "nav/hauptnav-forschung-transfer-mo.gif"
	fuenf1 = new Image()
	fuenf1.src = "nav/hauptnav-firmen-mo.gif"
	sechs1 = new Image()
	sechs1.src = "nav/hauptnav-alumni-mo.gif"
	sieben1 = new Image()
	sieben1.src = "nav/hauptnav-aktuelles-mo.gif"


	eins2 = new Image()
	eins2.src = "nav/hauptnav-hochschule-on.gif"
	zwei2 = new Image()
	zwei2.src = "nav/hauptnav-studium-weiterbildung-on.gif"
	drei2 = new Image()
	drei2.src = "nav/hauptnav-international-on.gif"
	vier2 = new Image()
	vier2.src = "nav/hauptnav-forschung-transfer-on.gif"
	fuenf2 = new Image()
	fuenf2.src = "nav/hauptnav-firmen-on.gif"
	sechs2 = new Image()
	sechs2.src = "nav/hauptnav-alumni-on.gif"
	sieben2 = new Image()
	sieben2.src = "nav/hauptnav-aktuelles-on.gif"

}

function on (imgDocID,imgObjName)
{
	if (document.images) 
 	  document.images[imgDocID].src = eval(imgObjName + ".src")
}

function off (imgDocID,imgObjName)
{
	if (document.images) 
 	  document.images[imgDocID].src = eval(imgObjName + ".src")
}




function surftotop(form) {
        var myindex=form.select1.selectedIndex
        if (form.select1.options[myindex].value != "0") {
        window.open(form.select1.options[myindex].value, target="_top");}
}





function NewWin(URL, WinName, Features)
{
 Win =  window.open(URL, WinName, Features);
 Win.focus();
}


function UnCryptMailto(s, shift) {
	var n=0;
	var r="";
	for(var i=0;i<s.length;i++) { 
		n=s.charCodeAt(i); 
		if (n>=8364) {n = 128;}
		r += String.fromCharCode(n-(shift)); 
	}
	return r;
}
function linkTo_UnCryptMailto(s, shift)	{
	location.href=UnCryptMailto(s, shift);
}








ie=(document.all)
n=(document.layers)
n6=(document.getElementById)

function changePic(imgName,imgSource) {
if(ie){
genObj="document.all["
genStyle="].style"
}

if(n) {
genObj="document.layers["
genStyle="]"
}

	path=location.href.split("/");
	folder=path[path.length-2];
 	if (!document.images)  return;
	if(folder==imgName) return;
	document.images[imgName].src ="nav/"+ imgSource + '.gif';
}

//show and hide layer at OnMouseOver/OnMouseOut
if(ie){
genObj="document.all["
genStyle="].style"
}

if(n){
   genObj="document.layers["
   genStyle="]"
}

d=document;
if (d.getElementById){
   genObj="document.getElementById("
   genStyle=")"
}

function show(divName) {
	if(!ie&&!n&&!n6) return;
	obj=eval(genObj + "'"+divName+"'"+genStyle);
	if (obj.style)
	{
	   obj=obj.style;
	}
	obj.visibility='visible';
}

function hide(divName) {
	if(!ie&&!n&&!n6) return;
	obj=eval(genObj+"'"+divName+"'"+genStyle);
	if (obj.style)
	{
	   obj=obj.style;
	}
	obj.visibility='hidden';
}

//avoid resize problems with Netscape 4
if (n) {
   origWidth = innerWidth;
   origHeight = innerHeight;
}

function reDo() {
   if (innerWidth != origWidth || innerHeight != origHeight)
      location.reload();
}

if (n) onresize = reDo;