var NN6 = false;
var NN4 = false;
var IE = false;

	if (document.getElementById)if(!document.all){
		NN6 = true;
	}
	if(document.layers){
		NN4 = true;
	}
	else if(document.all){
		IE = true;
	}

function changeLayerStyle(layerID,attribute,value) {
	if (NN6) {
		showhide = new Array('hidden','visible');
		if(attribut=='visibility')document.getElementById("L"+layerID).style.visibility=showhide[wert];
		if(attribut=='backgroundColor')document.getElementById("L"+layerID).style.backgroundColor='#'+wert; 
		if(attribut=='left')document.getElementById("L"+layerID).style.left=wert+'px';
		if(attribut=='top')document.getElementById("L"+layerID).style.top=wert+'px';
	}	
	if(NN4){
		showhide = new Array('hide','show');
		if(attribut=='visibility')document.layers[layerID].visibility=showhide[wert];
		if(attribut=='backgroundColor')document.layers[layerID].backgroundColor='#'+wert; 
		if(attribut=='left')document.layers[layerID].left=wert;
		if(attribut=='top')document.layers[layerID].top=wert;
	}
	if(IE){
		showhide = new Array('hidden','visible');
		if(attribut=='visibility')document.all.tags("div")[layerID].style.visibility=showhide[wert];
		if(attribut=='backgroundColor')document.all.tags("div")[layerID].style.backgroundColor='#'+wert; 
		if(attribut=='left')document.all.tags("div")[layerID].style.left=wert+'px';
		if(attribut=='top')document.all.tags("div")[layerID].style.top=wert+'px';
	}
}		
		
function changeLayerContent(layerID,layerContent) {
	if (NN6) { document.getElementById("L"+layerID).innerHTML=layerContent; }
	if (NN4) { document.layers[layerID].document.clear(); document.layers[layerID].document.write(layerContent); document.layers[layerID].document.close(); document.bgColor="FFFFFF"; }
	if (IE) { document.all.tags("div")[layerID].innerHTML=layerContent; }
}

function jump(URL) {
  neu = open(URL, "Fenstername", "width=400,height=500,resizeable=no,scrollbars=yes,toolbar=no,status=no,menubar=no,location=no");
}

function MM_displayStatusMsg(msgStr) { //v1.0
  status=msgStr;
  document.MM_returnValue = true;
}

function newImage(arg) {
	if (document.images) {
		rslt = new Image();
		rslt.src = arg;
		return rslt;
	}
}

function changeImages() {
	if (document.images && (preloadFlag == true)) {
		for (var i=0; i<changeImages.arguments.length; i+=2) {
			document[changeImages.arguments[i]].src = changeImages.arguments[i+1];
		}
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		aktuell_01_over = newImage("../images/aktuell_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		lehre_01_over = newImage("../images/lehre_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		personen_01_over = newImage("../images/personen_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		forschung_01_over = newImage("../images/forschung_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		kontakt_01_over = newImage("../images/kontakt_01-over.gif");
		preloadFlag = true;
	}
}
var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		download_01_over = newImage("../images/download_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		huber_01_over = newImage("../images/huber_01-over.gif");
		preloadFlag = true;
	}
}


var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		locher_01_over = newImage("../images/locher_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		lockemann_01_over = newImage("../images/lockemann_01-over.gif");
		preloadFlag = true;
	}
}


var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		paflik_01_over = newImage("../images/paflik_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		archiv_01_over = newImage("../images/archiv_01-over.gif");
		preloadFlag = true;
	}
}

var preloadFlag = false;
function preloadImages() {
	if (document.images) {
		lehrver_01_over = newImage("../images/lehrver_01-over.gif");
		preloadFlag = true;
	}
}