Name = navigator.appName;
Version = parseInt(navigator.appVersion);
Computer = navigator.appVersion;
Computer = Computer.substring(6,9)
Browser = "ugly";
if (Name == "Netscape" && Version >= 3)
    Browser = "good";
  else if (Name == "Microsoft Internet Explorer") {
    if (Computer == "Mac" && Version >= 3)
        Browser = "good";
      else if (Version >= 4)
        Browser = "good";
    }

if (Browser == "good") version = "n3";
else version = "n2";
if (version == "n3") {
	
// ----------------------------------------------------------

nav_0 = new Image();
nav_0.src="/navigation/nav_0.jpg";
nav_1 = new Image();
nav_1.src="/navigation/nav_1.jpg";
nav_2 = new Image();
nav_2.src="/navigation/nav_2.jpg";
nav_3 = new Image();
nav_3.src="/navigation/nav_3.jpg";
nav_4 = new Image();
nav_4.src="/navigation/nav_4.jpg";

// ----------------------------------------------------------

}
// filename=something_0or1, where imgst=0or1 and imgName=something
function imgchg(imgst,imgName) {
   if (version == "n3") {
     imgc = eval(imgName + "_" + imgst + ".src");
     document [imgName].src = imgc;
   }
}