browserName = navigator.appName;
browserVer = parseInt(navigator.appVersion);
if (browserName == "Netscape" && browserVer >= 3) version = "n3";
else if (browserName == "Microsoft Internet Explorer" && browserVer >= 4) version = "n3";
else version = "n2"
if (version == "n3") {
homeon = new Image();
homeon.src = "imgs/navigation2_01.gif";
homeoff = new Image();
homeoff.src = "imgs/navigation_01.gif";
createon = new Image();
createon.src = "imgs/navigation2_02.gif";
createoff = new Image();
createoff.src = "imgs/navigation_02.gif";
producton = new Image();
producton.src = "imgs/navigation2_03.gif";
productoff = new Image();
productoff.src = "imgs/navigation_03.gif";
buyon = new Image();
buyon.src = "imgs/navigation2_04.gif";
buyoff = new Image();
buyoff.src = "imgs/navigation_04.gif";
installon = new Image();
installon.src = "imgs/navigation2_05.gif";
installoff = new Image();
installoff.src = "imgs/navigation_05.gif";
adverton = new Image();
adverton.src = "imgs/navigation2_06.gif";
advertoff = new Image();
advertoff.src = "imgs/navigation_06.gif";
linkson = new Image();
linkson.src = "imgs/navigation2_07.gif";
linksoff = new Image();
linksoff.src = "imgs/navigation_07.gif";
teston = new Image();
teston.src = "imgs/navigation2_08.gif";
testoff = new Image();
testoff.src = "imgs/navigation_08.gif";
photoson = new Image();
photoson.src = "imgs/navigation2_09.gif";
photosoff = new Image();
photosoff.src = "imgs/navigation_09.gif";
  }
function onbutton(request)  {
   if (version == "n3")   {
   ON = eval(request + "on.src");
   document [request].src = ON;
   }
}
function offbutton(request) {
   if (version == "n3") {
   OFF = eval(request + "off.src");
   document [request].src = OFF;
   }
}