bName = navigator.appName;
bVer = parseInt(navigator.appVersion);

if ((bName == "Netscape" && bVer >= 3) || (bName == "Microsoft Internet Explorer" && bVer >= 4))
  br = "n3";
else
  br = "n2";

if (br== "n3") {
  galleryOn = new Image();
  galleryOff = new Image();
  galleryOn.src = "/images/gallery-on.gif";
  galleryOff.src = "/images/gallery-off.gif";

  forumOn = new Image();
  forumOff = new Image();
  forumOn.src = "/images/forum-on.gif";
  forumOff.src = "/images/forum-off.gif";

  shopOn = new Image();
  shopOff = new Image();
  shopOn.src = "/images/shop-on.gif";
  shopOff.src = "/images/shop-off.gif";

  newsOn = new Image();
  newsOff = new Image();
  newsOn.src = "/images/news-on.gif";
  newsOff.src = "/images/news-off.gif";

  linksOn = new Image();
  linksOff = new Image();
  linksOn.src = "/images/links-on.gif";
  linksOff.src = "/images/links-off.gif";

}

function imgAct(imgName) {
  if (br== "n3") {
    document[imgName].src = eval(imgName + "On.src");
  }
}

function imgInact(imgName) {
  if (br== "n3") {
    document[imgName].src = eval(imgName + "Off.src");
  }
}