function setupDescriptions() {
var x = navigator.appVersion;
y = x.substring(0,4);
if (y>=4) setVariables();
}
var x,y,a,b;
function setVariables(){
if (navigator.appName == "Netscape") {
h=".left=";
v=".top=";
dS="document.";
sD="";
}
else
{
h=".pixelLeft=";
v=".pixelTop=";
dS="";
sD=".style";
   }
}
var isNav = (navigator.appName.indexOf("Netscape") !=-1);
function popLayer(a){
desc = "<table border=1 cellspacing=0 cellpadding=0 bordercolor=000000 bgcolor=FFFFE3><tr><td height=20><FONT face='MS Serif' size='2'>";
// 1 = english text ; 2 = german text
if (a==1) desc += "Updates for Academic Packages are not available!";
if (a==2) desc += "Updates für die Academic Packages sind nicht verfügbar!";
desc += "</font></td></tr></table>";

if(isNav) {
document.object1.document.write(desc);
document.object1.document.close();
document.object1.left=x-250;
document.object1.top=y+25;
}
else {
object1.innerHTML=desc;
x=0;y=0;
x=window.event.x;
y=window.event.y;
//alert(x+":"+y);
document.all.object1.style.left=x;
document.all.object1.style.top=y;

//eval(dS+"object1"+sD+h+x);
//eval(dS+"object1"+sD+v+y);
//alert (x+":"+y);
   }
}
function hideLayer(a){
if(isNav) {
eval(document.object1.top=a);
}
else object1.innerHTML="";
}

function handlerMM(e){
x = (isNav) ? e.pageX : window.event.x;
y = (isNav) ? e.pageY : window.event.y;
//window.status=x+":"+y;
}
if (isNav){
document.captureEvents(Event.MOUSEMOVE);
}
document.onmousemove = handlerMM;