ie4 = ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 ));
ns3 = ((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 ));
if (ns3 || ie4) {
preload();
}
function preload() {
bilder = new Array();
bilder[0] = "images/arrow.gif";
bilder[1] = "images/arrow2.gif";
im = new Array();
for (var i = 0; i < bilder.length; i++){
im[i] = new Image();
im[i].src = bilder[i];
}
}
function hilite_mo(num,imgname) {
if (ns3 || ie4) {
imgname.src = im[num].src;
}
}