//
var ie = (navigator.appName=="Microsoft Internet Explorer");
var ns = (navigator.appName=="Netscape");
var Mac = (navigator.appVersion.indexOf("Mac") != -1);

url = "/css/";
if (Mac) {
  if (ie) style="mac-ie.css";
  if (ns) style="mac.css";
} else {
//alert("win");
  if (ie) style="win.css";
  if (ns) style="win.css";
}
document.write('<link type="text/css" rel="stylesheet" href="'+url+style+'">');