slideshow.js

function showNextImage() {

    var images = $(".widget-holder.slideshow img");

    for (var i = 0; i < images.length; i++) {
        var obj = $(images[i]);
        if (obj.hasClass('current')) {
            // we found the current item!
            break;
        }
    }

    obj.fadeOut('slow');
    obj.removeClass('current');

    if (i++ >= images.length) {
        i = 0;
    }

    obj = $(images[i]);
    obj.fadeIn('slow');
    obj.addClass('current');

    setTimeout(function () {
        showNextImage();
    }, 5000);
}

function enableSlideshow() {
    setTimeout(function () {
        showNextImage();
    }, 5000);
}