if ((navigator.appVersion.indexOf("Mac") != -1)) document.write('<LINK REL=stylesheet HREF="css/mac.css" TYPE="text/css">');
else if (document.all) document.write('<LINK REL=stylesheet HREF="css/winie.css" TYPE="text/css">');
else document.write('<LINK REL=stylesheet HREF="css/winns.css" TYPE="text/css">');