function openWindow(url,winname,w,h) {
popupWin = window.open(url, winname, 'menubar=no,toolbar=no,location=no,directories=no,status=no,scrollbars=yes,resizable=no,dependent=no,width='+w+',height='+h+'')
if (popupWin) popupWin.focus();
return false
}