function auf(file,w,h)
{
  w+=20
  h+=20
  Fenster =  window.open(file,"popup","width="+w+",height="+h+",left=350,top=30,screenX=350,screenY=30,dependent=yes,location=0,toolbar=0,menubar=0,scrollbars=yes,resizeable=yes");
  Fenster.focus();
}

function external(link)
{
	Fenster = window.open(link,"popup","toolbar=no,menubar=yes,resizable=0,scrollbars=1,top=5,left=5,width=500");
}