// Common Javascript Functions Used by the site

function preLoadImage(){
  var imagePreLoad = new Array();
  for(x=0; x<preLoadImage.arguments.length; x++){
    imagePreLoad[x] = new Image();
    imagePreLoad[x].src = preLoadImage.arguments[x];
  }
}

function swapImage(){
  var imageId = swapImage.arguments[0];
  var newImage = swapImage.arguments[1];
  var oldImage = document.getElementById(imageId).src;
  document.getElementById(imageId).name = oldImage;
  document.getElementById(imageId).src = newImage;
}

function restoreImage(imageId){
  var oldImage = document.getElementById(imageId).name;
  document.getElementById(imageId).src = oldImage;
}