var Mac = navigator.appVersion.indexOf('Mac',0) != -1;
var Win = navigator.appVersion.indexOf('Win',0) != -1;
var IE  = navigator.appName.indexOf("Microsoft Internet Explorer",0) != -1;
var NN  = navigator.appName.indexOf("Netscape",0) != -1;
var GE  = navigator.userAgent.indexOf("Gecko") != -1;
var OP  = navigator.userAgent.indexOf("Opera") != -1;

if(navigator.userAgent.indexOf('Mac') != -1){
 document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/001mac.css">')
}
if(navigator.userAgent.indexOf('Win') != -1){
  if(navigator.appName.charAt(0)=="M"){
   document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/001msie.css">')
  } else {
   document.write('<LINK REL="stylesheet" TYPE="text/css" HREF="css/001moss.css">')
  }
}