<!--
//Browserweiche
var ie4 = (document.all) ? true : false;
var ns4 = (document.layers) ? true : false;
var ns6 = (document.getElementById && !document.all) ? true : false;


var ebene = "over";

function zeigeEbeneNr(naviname){
if (parent.header.document.FormularBox.werton.value!="start"){
var i = parent.header.document.FormularBox.werton.value;
zeigen(eval('"' + i +'"'));
verbergen(eval('"' + ebene + i +'"'));
}
verbergen(eval('"' + naviname +'"'));
zeigen(eval('"' + ebene + naviname +'"'));
parent.header.document.FormularBox.werton.value=""+naviname+"";;
}

function zeigen(name) {
if (ns4){
parent.frames['navigation'].document.layers[''+name].visibility = "show";		
}
if (ie4){
parent.frames['navigation'].document.all[''+name].style.visibility = "visible"
}
if (ns6) {
parent.frames['navigation'].document.getElementById([''+name]).style.visibility = "visible";
}
}

function verbergen(name) {
if (ns4){
parent.frames['navigation'].document.layers[''+name].visibility = "hide";
}
if (ie4){
parent.frames['navigation'].document.all[''+name].style.visibility = "hidden";
}
if (ns6) {
parent.frames['navigation'].document.getElementById([''+name]).style.visibility = "hidden";
}
}

//-->