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) {
		zurueck_over = newImage("images/layout/zurueck-over.gif");
		zurueck_startseite_over = newImage("images/layout/zurueck-startseite_over.gif");
		startseite_over = newImage("images/layout/startseite-over.gif");
		startseite_weiter_over = newImage("images/layout/startseite-weiter_over.gif");
		weiter_over = newImage("images/layout/weiter-over.gif");
		drucken_over = newImage("images/layout/drucken-over.gif");
		add_favorites_over = newImage("images/layout/add_favorites-over.gif");
		preloadFlag = true;
	}
}
function addToFavorite(favTitle){
  if ((navigator.appVersion.indexOf("MSIE") > 0) && (parseInt(navigator.appVersion) >= 4)) {
    window.external.AddFavorite(location.href, unescape(favTitle));
  }
}
<!-- ##BEGINN BGCOLOR Changer -->
function doNaviOver(Obj, Status){
	var Normal = "#466B78";
	var Over   = "#466B00";
	if(Status=='over'){
		Obj.bgColor=Over;
		}
	if(Status=="out"){
		Obj.bgColor=Normal;
		}
	}
<!-- ##END BGCOLOR Changer -->


function MM_reloadPage(init) {  //reloads the window if Nav4 resized
  if (init==true) with (navigator) {if ((appName=="Netscape")&&(parseInt(appVersion)==4)) {
    document.MM_pgW=innerWidth; document.MM_pgH=innerHeight; onresize=MM_reloadPage; }}
  else if (innerWidth!=document.MM_pgW || innerHeight!=document.MM_pgH) location.reload();
}
MM_reloadPage(true);

function MM_findObj(n, d) { //v4.01
  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 && d.getElementById) x=d.getElementById(n); return x;
}

function MM_showHideLayers() { //v6.0
  var i,p,v,obj,args=MM_showHideLayers.arguments;
  for (i=0; i<(args.length-2); i+=3) if ((obj=MM_findObj(args[i]))!=null) { v=args[i+2];
    if (obj.style) { obj=obj.style; v=(v=='show')?'visible':(v=='hide')?'hidden':v; }
    obj.visibility=v; }
}