lb="<LINK REL=STYLESHEET HREF=c/"
la=" TYPE=text/css>"
OS=navigator.appVersion
//alert("OS type: " + OS)
if (OS.indexOf("Mac") != -1) {
 document.write(lb+"m.css"+la)
}else if (OS.indexOf("Windows") != -1) {
 document.write(lb+"w.css"+la)
}else{
 document.write(lb+"u.css"+la)
}