function Info(SiteNumber,SID)
{
eval(window.open("./contents/info.php?item=" + SiteNumber + "&sid=" + SID,"Info","height=400,width=350,toolbar=no,directories=no,status=no,menubar=no,resizable=no,scrollbars=yes,left=100,top=100"));
}
window.open hat nur 3 parameter du gibst...