function changeImage(myid,img) {
	var y = document.getElementById(myid);
  y.src =img;
}

function popup(Datei,Width,Height) 
{
window.open(Datei,'','scrollbars=yes,toolbar=no,location=no,directories=no,status=no,menubar=no,resizable=no,copyhistory=no,width='+Width+',height='+Height+'');
}