/*
* jQuery OnDemand Image Loader
*
* Developed by
* Copyright 2011 - Anthony McLin
* http://anthonymclin.com
* Version 1.0
* Licensed under GPLv2
*/
(function ($) {
    $.fn.onDemandLoader = function (options) {

        // Configuration
        options = $.extend({
            selector: null,
            spinner: null,
            callback: jQuery.noop
        }, options);

        //Change the source of all the images to point to the loading image
        $(options.selector).each(function () {
            //Write the original source to a temporary location
            $(this).attr('_src', $(this).attr('src'));
            //Change the image source to the loading image
            $(this).attr('src', options.spinner);
        });
    };

    //Load a specific image by changing the source back
    $.fn.onDemandLoader.loadImage = function (img) {
        $(img).attr('src', $(img).attr('_src'));
    };
})(jQuery);