function popupWindow(url) {window.open(url,'popupWindow','toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=yes,copyhistory=no,width=100,height=100,screenX=50,screenY=50,top=50,left=50');}
function zoom(THIS) { var ESTALARGE=THIS.src; popupWindow('images/popup.php?url='+ESTALARGE.replace(/thumbs/, "larges"));}