os= navigator.platform;
mac= "MacPPC";
browser= navigator.appName;
ie= "Microsoft Internet Explorer";
nn= "Netscape";
version= navigator.appVersion.charAt(0);

if (os == mac){
	document.write('<link rel="stylesheet" type="text/css" href="/css/font_mac.css">');
} else {
	document.write('<link rel="stylesheet" type="text/css" href="/css/font_win.css">');
}