<!-- Begin
var ie4 = (document.getElementById) ? true : false;
var ns4 = (document.getElementById) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;
function Layer_verstecken(lay) {
if (ie4) {document.getElementById([lay]).style.visibility = "hidden";}
if (ns4) {document.getElementById([lay]).visibility = "hide";}
if (ns6) {document.getElementById([lay]).style.display = "none";}
}
function Layer_zeigen(lay) {
if (ie4) {document.getElementById([lay]).style.visibility = "visible";}
if (ns4) {document.getElementById([lay]).visibility = "show";}
if (ns6) {document.getElementById([lay]).style.display = "block";}
}
function Layer_schreiben(lay,txt) {
if (ie4) {
document.getElementById([lay]).innerHTML = txt;
}
if (ns4) {
document.getElementById([lay]).document.write(txt);
document.getElementById([lay]).document.close();
}
if (ns6) {
over = document.getElementById([lay]);
range = document.createRange();
range.setStartBefore(over);
domfrag = range.createContextualFragment(txt);
while (over.hasChildNodes()) {
over.removeChild(over.lastChild);
}
over.appendChild(domfrag);
   }
}