function showheadertitel (headerid, headertitel) {
if (headertitel != '') {
if (document.layers) { eval('document.headertitel' + headerid + '.innerHTML = headertitel'); }
else if (document.all) { eval('document.all.headertitel' + headerid + '.innerHTML = headertitel'); }
else { eval('document.getElementById(headertitel' + headerid + ').innerHTML = headertitel'); }
} 
else {
if (document.layers) { eval('document.headertitel' + headerid + '.innerHTML = ""');}
else if (document.all) { eval('document.all.headertitel' + headerid + '.innerHTML = ""'); }
else { eval('document.getElementById(headertitel' + headerid + ').innerHTML = ""'); }
} 
} 
var menuidHIDEA = '';
function showSubA(menuidSHOW) {
hideSubA ();
if (document.layers) { document.layers['menuebene'+menuidSHOW].visibility = "show"; }
else if (document.all) { document.all['menuebene'+menuidSHOW].style.visibility = "visible"; } 
else { document.getElementById('menuebene'+menuidSHOW).style.visibility = "visible"; }
menuidHIDEA = menuidSHOW;
} 
function hideSubA() {
if (document.layers) { if (menuidHIDEA) { document.layers['menuebene'+menuidHIDEA].visibility = "hide"; } }
else if (document.all) { if (menuidHIDEA) { document.all['menuebene'+menuidHIDEA].style.visibility = "hidden"; }}
else { if (menuidHIDEA) { document.getElementById('menuebene'+menuidHIDEA).style.visibility = "hidden"; }}
menuidHIDEA = '';
}