function Aktivieren()
{
	
	document.getElementById('EingeblendeterBereich').style.visibility = "visible";
	
}

function Deaktivieren()
{
	
	document.getElementById('EingeblendeterBereich').style.visibility = "hidden";
}


function Aktivieren1()
{
	
	document.getElementById('EingeblendeterBereich1').style.visibility = "visible";
	
}

function Deaktivieren1()
{
	
	document.getElementById('EingeblendeterBereich1').style.visibility = "hidden";
}



function Aktivieren2()
{
	
	document.getElementById('EingeblendeterBereich2').style.visibility = "visible";
	
}

function Deaktivieren2()
{
	
	document.getElementById('EingeblendeterBereich2').style.visibility = "hidden";
}




function Aktivieren3()
{
	
	document.getElementById('EingeblendeterBereich3').style.visibility = "visible";
	
}

function Deaktivieren3()
{
	
	document.getElementById('EingeblendeterBereich3').style.visibility = "hidden";
}



function mitte(w,h,url,n)
{
l = (screen.availWidth/2)-(w/2);
t = (screen.availHeight/2)-(h/2);
win = window.open(url,n,"width="+w+",height="+h+",left="+l+",top="+t+",toolbar=no,location=no,status=no,menubar=yes,resizable=no,scrollbars=no");
win.focus();
}

function hidden(){document.body.style.overflow='hidden';}  // scrollbar verhindern
function unhidden(){document.body.style.overflow='';}

 if (document.layers){
  var w=screen.availWidth-10;
  var h=screen.availHeight-10;
 }
 else{
 var w=screen.availWidth+6;        // maximale Fenstergrösse!
 var h=screen.availHeight+6;}
 self.resizeTo(w,h);
 self.moveTo(-2,-2);