var breite;
var hoehe;
function popup(page, name, breite, hoehe, details)
{


var positionX=((screen.availWidth / 2) - breite / 2)
var positionY=((screen.availHeight / 2) - hoehe / 2);
pop=window.open('','', 'toolbar=0,location=0,directories=0,status=0,menubar=0,scrollbars=1,resizable=1,fullscreen=0,width='+breite+',height='+hoehe+',top=10000,left=10000');
pop.resizeTo(breite,hoehe);
pop.moveTo(positionX,positionY);
pop.location=page;


}