if (screen.width < 1280)
    document.write('<link rel="stylesheet" href="control/1280.css" type="text/css">');	
  if (screen.width >= 1280)
	document.write('<link rel="stylesheet" href="control/1440.css" type="text/css">');
	
function Toggle(item) {
   obj=document.getElementById(item);
   visible=(obj.style.display!="none");
   if (visible) 
   {
     obj.style.display="none";
   } 
   else 
   {
     //AlleEinklappen();
	 obj.style.display="block";
   }
}

function AlleEinklappen() {
	document.getElementById('Schulleben').style.display="none";
	document.getElementById('Schulgemeinde').style.display="none";
	document.getElementById('Lernen').style.display="none";
}