var ua = navigator.userAgent;
var tag = '<link rel="stylesheet" type="text/css" HREF="';
if(ua.indexOf("Mac") >= 0) tag += 'mac.css';
else if(ua.indexOf("Win") >= 0) tag += 'win.css';
tag += '">';
document.write(tag);

function open0001()
{
var WO1;
WO1=window.open("blog.html","win","toolbar=no,location=no,directories=no,scrollbars=yes,width=804,height=510");
WO1.focus();
}