jqueryImagePreload.js

// Taken from: http://stackoverflow.com/a/476681

(function() {
    var arrayOfImages = ["one.jpg", "two.jpg", "three.jpg"];

    function preload(arrayOfImages) {
        $(arrayOfImages).each(function () {
            $('<img/>')[0].src = this;
        });
    }

    //Usage:
    preload(arrayOfImages);
}());


// Or as a jQuery plugin
(function () {
    $.fn.preload = function() {
        this.each(function(){
            $('<img/>')[0].src = this;
        });
    };

    // Usage:
    $(['one.jpg','two.jpg','three.jpg']).preload();
}());