Ben

Html+css
http://snipplr.com/view/2122/css-image-preloader/

#preloadedImages {
width: 0px;
height: 0px;
display: inline;
background-image: url(path/to/image1.png);
background-image: url(path/to/image2.png);
background-image: url(path/to/image3.png);
background-image: url(path/to/image4.png);
background-image: url();}

javascript
http://snipplr.com/view/554/image-preloader/

photo = new Image();
photo.src = “yourUrl/photoname.jpg”;
// Image Preloader v1.0.1
// documentation: http://www.dithered.com/javascript/image_preloader/index.html// license: http://creativecommons.org/licenses/by/1.0/
// code by Chris Nott (chris[at]dithered[dot]com)

function preloadImages() {
if (document.images) {
for (var i = 0; i < preloadImages.arguments.length; i++) {
(new Image()).src = preloadImages.arguments[i];
}
}
}