var ie4l = (document.all) ? true : false;
var ns4l = (document.layers) ? true : false;
var ns6l = (document.getElementById && !document.all) ? true : false;

function auswahl(lay,land) {


		switch(land)
				{
					case "kastner":
					txt = 'Heinrich&nbsp;Kastner<br />+49&nbsp;9232&nbsp;609&nbsp;155<br />HKastner@dronco.de';
					break;

					case "kuespert":
					txt = 'Thomas&nbsp;K&uuml;spert<br />+49&nbsp;9232&nbsp;609&nbsp;193<br />TKuespert@dronco.de';
					break;

					case "pelz":
					txt = 'Michael&nbsp;Pelz<br />+49&nbsp;9232&nbsp;609&nbsp;154<br />Michael.Pelz@dronco.de';
					break;

					case "reich":
					txt = 'Gabriele&nbsp;Reich<br />+49&nbsp;9232&nbsp;609&nbsp;157<br />GReich@dronco.de';
					break;

					case "pfliegensdoerfer":
					txt = 'Sabine&nbsp;Pfliegensd&ouml;rfer<br />+49&nbsp;9232&nbsp;609&nbsp;149<br />SPfliegensdoerfer@dronco.de';
					break;
				}

		writetolayer(lay,txt)
}

function hidelayer(lay) {
if (ie4l) {document.all[lay].style.visibility = "hidden";}
if (ns4l) {document.layers[lay].visibility = "hide";}
if (ns6l) {document.getElementById([lay]).style.display = "none";}
}

function showlayer(lay) {
if (ie4l) {document.all[lay].style.visibility = "visible";}
if (ns4l) {document.layers[lay].visibility = "show";}
if (ns6l) {document.getElementById([lay]).style.display = "block";}
}

function writetolayer(lay,txt) {
	if (ie4l) {
		document.all[lay].innerHTML = txt;
	}
if (ns4l) {
document[lay].document.write(txt);
document[lay].document.close();
}
if (ns6l) {
over = document.getElementById([lay]);
range = document.createRange();
range.setStartBefore(over);
domfrag = range.createContextualFragment(txt);
while (over.hasChildNodes()) {
over.removeChild(over.lastChild);
}
over.appendChild(domfrag);
   }
}