(function ($) {
    var cache = [];
    // Arguments are image paths relative to the current page.
    $.preLoadImages = function () {
        var args_len = arguments.length;
        for (var i = args_len; i--; ) {
            var cacheImage = document.createElement('img');
            cacheImage.src = arguments[i];
            cache.push(cacheImage);
        }
    }
})(jQuery)