<!--
var preloadFlag = false;

// Load backgrounf images for menu
function preloadImgs() {
  if (document.images) {
    imgList = new Array(2);
    imgList[0] = new Image();
    imgList[0].src = "/images/nav_bg.jpg";
    imgList[1] = new Image();
    imgList[1].src = "/images/nav_bg_over.jpg";
    preloadFlag = true;
  }
}

// Change background image of the element
function changeImg(elm, imgNum) {
  if (preloadFlag && elm != "undefined") {
    if (imgList[imgNum] != "undefined") {
      elm.style.backgroundImage = "url('"+imgList[imgNum].src+"')";
}
}}
//-->