function MM_preloadImages() //v1.2
{
  if(document.images)
  {
    var imgFiles = MM_preloadImages.arguments;
    var preloadArray = new Array();
    for(var i = 0; i < imgFiles.length; i++)
    {
      preloadArray[i] = new Image;
      preloadArray[i].src = imgFiles[i];
    }
  }
}

function MM_swapImage() //v1.0
{
  var i, theObj, j = 0, swapArray = new Array, oldArray = document.MM_swapImgData;
  for(i = 0; i < (MM_swapImage.arguments.length - 2); i += 3)
  {
    theObj = eval(MM_swapImage.arguments[(navigator.appName == 'Netscape')?i:i+1])
    if(theObj != null)
    {
      swapArray[j++] = theObj;
      swapArray[j++] = (oldArray == null || oldArray[j-1] != theObj)?theObj.src:oldArray[j];
      theObj.src = MM_swapImage.arguments[i + 2];
    }
  }
  document.MM_swapImgData = swapArray; //used for restore
}

function MM_swapImgRestore() //v1.0
{
  if(document.MM_swapImgData != null)
    for(var i = 0; i < (document.MM_swapImgData.length - 1); i += 2)
      document.MM_swapImgData[i].src = document.MM_swapImgData[i + 1];
}