function preloadImages() {

  if (document.images) {
    if (typeof(document) == 'undefined'){
      document = new Object();
    }
    document.loadedImages = new Array();
    var argLength = preloadImages.arguments.length;
    for(arg=0;arg<argLength;arg++) {
      document.loadedImages[arg] = new Image();
      document.loadedImages[arg].src = preloadImages.arguments[arg];
    }
  }
}