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 = '';
	}