var browser = "leer";
var micros = "Microsoft Internet Explorer";

function browsersuche(){
browser = navigator.appName;
}

function an(BUTTON){
browsersuche();
if(BUTTON == "menuitem1"){
document.images[2].src = "img/stern_2.gif";
}

if(browser == micros){
if(document.getElementById(BUTTON).style.backgroundColor != "#13689b"){
document.getElementById(BUTTON).style.backgroundColor = "#01BAF2";
}
}
if(browser != micros){
if(document.getElementById(BUTTON).style.backgroundColor != "#13689B"){
document.getElementById(BUTTON).style.backgroundColor = "#01BAF2";
}
}
}


function aus(BUTTON){
browsersuche();

if(BUTTON == "menuitem1"){
document.images[2].src = "img/stern.gif";
}

if(browser == micros){
if(document.getElementById(BUTTON).style.backgroundColor != "#13689b"){
document.getElementById(BUTTON).style.backgroundColor = "#898989";
}
}
if(browser != micros){
if(document.getElementById(BUTTON).style.backgroundColor != "#13689B"){
document.getElementById(BUTTON).style.backgroundColor = "#898989";
}
}
}


function weiter(LINK){
location.href = LINK;
}