function foldout(subid){
var anz; 
if (subid=="sub0") {anz="spez";}
else {anz=document.getElementById(subid).style.display;}

if (anz=="block" || anz=="true") {document.getElementById(subid).style.display="none";}
if (anz=="none" || anz=="false") {
		document.getElementById('sub1').style.display="none";
		document.getElementById('sub3').style.display="none";
		document.getElementById('sub4').style.display="none";
		document.getElementById('sub5').style.display="none";
		document.getElementById('sub6').style.display="none";
		document.getElementById('sub7').style.display="none";
		document.getElementById('sub8').style.display="none";
		document.getElementById('sub9').style.display="none";
		document.getElementById('sub10').style.display="none";	
		document.getElementById('sub11').style.display="none";	
		document.getElementById(subid).style.display="block";
		}
if (anz=="spez") {
		document.getElementById('sub1').style.display="none";
		document.getElementById('sub3').style.display="none";
		document.getElementById('sub4').style.display="none";
		document.getElementById('sub5').style.display="none";
		document.getElementById('sub6').style.display="none";
		document.getElementById('sub7').style.display="none";
		document.getElementById('sub8').style.display="none";
		document.getElementById('sub9').style.display="none";
		document.getElementById('sub10').style.display="none";				
		document.getElementById('sub11').style.display="none";
		}		
}