var dom = 0;
if (navigator.appName == "Netscape") { 
 if (parseInt(navigator.appVersion) > 4) {
 layerRef = "document.layers";
 styleRef ="";
 dom = 1;
 }
}
else {
 layerRef = "document.all";
 styleRef = ".style";
 dom = 1;
}
//alert("dom="+dom);
function hi(id) {
 if (!dom) {
  document.layers[id].bgColor = "#f0f0f0";
 }
 else {
  document.getElementById(id).style.backgroundColor = "#ffffff";
 } 
}

function lo(id) {
 if (!dom) {
  document.layers[id].bgColor ="#d4d4d4";
 }
 else {
  document.getElementById(id).style.backgroundColor = "#d4d4d4";
 } 
}

function lastUpdate() {
 var change = new Date(document.lastModified); 
 document.write("Letzte Änderung: "+change.getDate()+'.'+(change.getMonth()+1)+'.'+change.getFullYear());
}