//new window open
function openwin(url,w,h) {
 wind =window.open(url, 'openwin','top='+(screen.height/2-330)+',left='+(screen.width/2-260)+',toolbar=no,location=no,status=no,menubar=no,scrollbars=no,resizable=no,width='+w+',height='+h);
 wind.focus(); if (wind.opener == null) { wind.opener = window; }
}