browser = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 3 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )));
dhtml = (((navigator.appName == "Netscape") && (parseInt(navigator.appVersion) >= 4 )) || ((navigator.appName == "Microsoft Internet Explorer") && (parseInt(navigator.appVersion) >= 4 )))
var position="home";


function setup(){
Bild = new Image();
if(browser){
anzBild=document.images.length 
for(n=1;n<anzBild;n++){
bildName=document.images[n].src;
pos=bildName.indexOf("_pas.gif")
if(pos!=-1){
Bild[n]=new Image();Bild[n].src=bildName.substring(0,pos)+"_akt.gif"
}}}}


function mOver(a){
if(browser){
if(a != position){
bildSrc = document.images[a].src;
document.images[a].src = bildSrc.substring(0,bildSrc.length-8) + "_akt.gif";
}}}


function mOut(a){
if(browser){
if(a != position){
bildSrc = document.images[a].src;
document.images[a].src = bildSrc.substring(0,bildSrc.length-8) + "_pas.gif";
}}}


function mClick(a){
if(browser){
if(position != "home"){
bildSrcOld = document.images[position].src;
document.images[position].src = bildSrcOld.substring(0,bildSrcOld.length-8) + "_pas.gif";
}
bildSrcNew = document.images[a].src;
document.images[a].src = bildSrcNew.substring(0,bildSrcNew.length-8) + "_akt.gif";
position = a;
}}