
<!-- 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);
	}
}