function FensterMitte(link){
neu=window.open(link,'',"width=700,height=540,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=0,resizable=0")
neu.focus()
neu.moveTo(Math.round((screen.availWidth-700)/2),Math.round((screen.availHeight-540)/2))
}

function FensterScroll(link){
neu=window.open(link,'',"width=700,height=540,toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=auto,resizable=0")
neu.focus()
neu.moveTo(Math.round((screen.availWidth-700)/2),Math.round((screen.availHeight-540)/2))
}