var fenster=null
function newwin(url,w,h,t,l)
{
fenster=window.open(url,"","resizable=yes,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=auto,copyhistory=1,width="+w+",height="+h+",top="+t+",left="+l+",screenX="+t+",screenY="+l)
fenster.focus;
}