var curImg
function swapRestore()
{
  event.srcElement.src = curImg;
  curImg = "";
}
			
function swapImage()
{
  var arg = swapImage.arguments;
  curImg = event.srcElement.src;
  event.srcElement.src = arg[0];
}

function preLoadImages()
{
  var arg = preLoadImages.arguments;
  var imgs = new Array();

  for(i=0;i<arg.length;i++)
  {
    imgs[i] = new Image;
    imgs[i].src = arg[i];
  }
}