//var DIRNO = '';

var CSSMACIE = 'mac_ie';
var CSSMACN4 = 'mac_n4';
var CSSMACNS = 'mac_ns';
var CSSOSXNS = '';
var CSSMACOT = '';
var CSSWINIE = 'win_ie';
var CSSWINN4 = 'win_n4';
var CSSWINNS = 'win_ns';
var CSSWINOT = '';
var CSSOTHER = '';

var UA = navigator.userAgent;
var AN = navigator.appName;
var VERSION = navigator.appVersion.charAt(0);

var Win = (UA.indexOf("Win") != -1);
var Mac = (UA.indexOf("Mac") != -1);
var OSX = (UA.indexOf("Mac OS X") != -1);

var IE = (AN == "Microsoft Internet Explorer");
var NS = (AN == "Netscape");

if(Mac){
 if(IE){
   document.write('<link rel="stylesheet" href="css/' +CSSMACIE+ '.css" type="text/css" media="screen">');
  } else if(NS && VERSION < '5'){
   document.write('<link rel="stylesheet" href="css/' +CSSMACN4+ '.css" type="text/css" media="screen">');
  } else if(NS && VERSION >= '5'){
   document.write('<link rel="stylesheet" href="css/' +CSSMACNS+ '.css" type="text/css" media="screen">');
  }
} else if(Win){
 if(IE){
   document.write('<link rel="stylesheet" href="css/' +CSSWINIE+ '.css" type="text/css" media="screen">');
 } else if(NS && VERSION < '5'){
   document.write('<link rel="stylesheet" href="css/' +CSSWINN4+ '.css" type="text/css" media="screen">');
 } else if(NS && VERSION >= '5'){
   document.write('<link rel="stylesheet" href="css/' +CSSWINNS+ '.css" type="text/css" media="screen">');
 }
}