CODE

<script type="text/javascript">
(function () {
var userAgent = window.navigator.userAgent;
if (/windows|win32/i.test(userAgent)) {
if (/Windows NT 5/.test(userAgent)) {
document.writeln('<style type="text/css">' + 'body,button,input,select,textarea,code{font-family: tahoma,sans-serif;}' + '<' + '/style>');
}
} else if (/macintosh/i.test(userAgent)) {
document.writeln('<style type="text/css">' + 'body,button,input,select,textarea,code{font-family: "Heiti SC","Lucida Grande","Hiragino Sans GB","Hiragino Sans GB W3",verdana;}' + '<' + '/style>');
}
})();
</script>