if (navigator.appVersion.indexOf("Mac")!= -1)
{
document.write('<link rel="stylesheet" type="text/css" href="style/mac.css">');
}
else
{
document.write('<link rel="stylesheet" type="text/css" href="style/win.css">');
}

function newin(url,ww,hh)
{
newindow = window.open(url, "newWindow", "width="+ww+",height="+hh+",scrollbars=0,resizable=0,toolbar=0,manubar=0,location=0,status=0");
newindow.focus();
}