//script
var NN = (navigator.appName == "Netscape");
var IE = (navigator.appName.indexOf("Microsoft",0)>=0);
var WIN = (navigator.platform.indexOf("Win",0)>=0);
var MAC = (navigator.platform.indexOf("Mac",0)>=0);
var ver = navigator.appVersion.charAt(0);

cssfile = "default.css";

if(IE && WIN){
  cssfile = "win5.css";
}
else if(IE && MAC && ver=="5"){
  cssfile = "macie5.css";
}
else if(IE && MAC && ver=="4"){
  cssfile = "macie4.css";
}
else if(NN && MAC && ver=="4"){
  cssfile = "macnn4.css";
}
else if(NN && MAC && ver=="5"){
  cssfile = "macnn6.css";
}
else if(NN && WIN&& ver=="5"){
  cssfile = "win5.css";
}
else if(NN && WIN){
  cssfile = "winnn.css";
}

  document.write('<LINK rel="stylesheet" type="text/css" href="css/' + cssfile + '">');