(function($) {
    $(document).ready(function() {
        $('#bird')
            .sprite({fps: 15, no_of_frames: 3})
            .spRandom({top: 10, bottom: 20, left: 10, right: 20})
            .isDraggable()
            .activeOnClick()
            .active();
        $('#clouds').pan({fps: 30, speed: 0.9, dir: 'left', depth: 10});
        $('#clouds-2').pan({fps: 30, speed: 0.7, dir: 'right', depth: 15});
        $('#clouds-3').pan({fps: 30, speed: 0.5, dir: 'left', depth: 10});
    });
})(jQuery);