jsAgent = navigator.userAgent.toLowerCase()
jsHasImages = (typeof(document.images) != "undefined") &&
               ((jsAgent.indexOf("msie") == -1) ||
               ((jsAgent.indexOf("msie") != -1) &&
               (parseInt(navigator.appVersion) != 2)));
jsImagesLoaded = false;

function DoLoadImages () {
  if (!jsHasImages)
    return;

  jsImgNames = new Array("about-us", "clients", "our-work", "road-test", "services", "tip");
  jsImgOn = new Array(jsImgNames.length);
  jsImgOff = new Array(jsImgNames.length);

  for (i = 0; i < jsImgNames.length; i++) {
      jsImgOn[jsImgNames[i]] = new Image();
      jsImgOn[jsImgNames[i]].src = 'images/splash/nav_'+jsImgNames[i]+'-n.gif';
      jsImgOff[jsImgNames[i]] = 'images/splash/nav_'+jsImgNames[i]+'-f.gif';
  }

  jsImagesLoaded = true;
}

function DoMouseOver (imgname) {
  if (!(jsHasImages && jsImagesLoaded))
    return;

  if ((typeof(top.document.images[imgname]) != 'undefined') &&
      (typeof(jsImgOn[imgname]) != 'undefined'))
    top.document.images[imgname].src = jsImgOn[imgname].src;  
}

function DoMouseOut (imgname) {
  if (!(jsHasImages && jsImagesLoaded))
    return;

  if ((typeof(top.document.images[imgname]) != 'undefined') &&
      (typeof(jsImgOff[imgname]) != 'undefined'))
    top.document.images[imgname].src = jsImgOff[imgname]; 

}