browser_name = navigator.appName;
browser_version = parseFloat(navigator.appVersion);
if (browser_name == "Netscape" && browser_version >= 3.0) { rollover = 'true'; }
else if (browser_name == "Microsoft Internet Explorer" && browser_version >= 4.0) { rollover = 'true'; }
else { rollover = 'false'; }

function i(img,ref) { if (rollover == 'true') { document.images[img].src = ref; } }
function o(img,ref) { if (rollover == 'true') { document.images[img].src = ref; } }
function newImage( imgSrc ){
 var imgName = new Image();
 imgName.src = imgSrc; }
function loadImages()
{
 if (document.images)
 {
	newImage("img/menuhome.gif");
	newImage("img/menuanfahrt2.gif");
	newImage("img/menufotos2.gif");
	newImage("img/menuimpressum2.gif");
	newImage("img/menuinfos2.gif");
	newImage("img/menuprogramm2.gif");
	newImage("img/menuuni2.gif");
 }
}