var g_OK = false;
var g_MSIE = false;
if (navigator.appName == "Netscape" && parseInt(navigator.appVersion) >= 3) {
  g_OK = true;
}
if (navigator.appName == "Microsoft Internet Explorer" && parseInt(navigator.appVersion) >= 4) {
  g_OK = true;
  g_MSIE = true;
}

// Pre-load images to reduce load time for swapping
if (g_OK) {
  img0_off = new Image(); img0_off.src = "images/LkHome.jpg";
  img1_off = new Image(); img1_off.src = "images/LkMusic.jpg";
  img2_off = new Image(); img2_off.src = "images/LkShop.jpg";
  img3_off = new Image(); img3_off.src = "images/LkTour.jpg";
  img8_off = new Image(); img8_off.src = "images/LkNews.jpg";
  img4_off = new Image(); img4_off.src = "images/LkContact.jpg";
  img5_off = new Image(); img5_off.src = "images/LkHelp.jpg";
  img6_off = new Image(); img6_off.src = "images/LkAbout.jpg";
  img7_off = new Image(); img7_off.src = "images/LkSearch.jpg";
  img0_on  = new Image(); img0_on.src  = "images/LkHome2.jpg";
  img1_on  = new Image(); img1_on.src  = "images/LkMusic2.jpg";
  img2_on  = new Image(); img2_on.src  = "images/LkShop2.jpg";
  img3_on  = new Image(); img3_on.src  = "images/LkTour2.jpg";
  img8_on  = new Image(); img8_on.src  = "images/LkNews2.jpg";
  img4_on  = new Image(); img4_on.src  = "images/LkContact2.jpg";
  img5_on  = new Image(); img5_on.src  = "images/LkHelp2.jpg";
  img6_on  = new Image(); img6_on.src  = "images/LkAbout2.jpg";
  img7_on  = new Image(); img7_on.src  = "images/LkSearch2.jpg";
}

// Define a function to handle the image flip.  no need to edit
function swap(sImg, iIndex, sOnOff)
{
  if (g_OK) {
    imgOn = eval("img" + iIndex + "_" + sOnOff + ".src");
    document.images[sImg].src = imgOn;
  }

  return true;
}