$.fn.slideshow = function(options) {
    var settings = {
        timeout: '3000',
        type: 'sequence'
    }

    if(options)
        $.extend(settings, options);
        this.css('position', 'relative');
        var slides = this.find('div').get();

        for (var i = 0; i < slides.length; i++) {

            $(slides[i]).css('zIndex', slides.length - i).css('position', 'absolute').css('top', '0').css('left', '0').hide();

        }

        $(slides[0]).fadeIn(1000);

        if (settings.type != 'sequence' || settings.type != 'random') {

            settings.type = 'sequence';

        }

        if (settings.type == 'sequence') {

            setTimeout(function() {

                $.slideshow.next(slides, settings, 1, 0);

            }, settings.timeout);

        } else if (settings.type == 'random') {

            setTimeout(function() {

                do { current = Math.floor(Math.random() * (slides.length)); } while (current == 0)

                $.slideshow.next(slides, settings, current, 0);

            }, settings.timeout);

        }

    };

    $.slideshow = function() {}

    $.slideshow.next = function (slides, settings, current, last) {

        for (var i = 0; i < slides.length; i++) {

            $(slides[i]).css('display', 'none');

        }

        $(slides[last]).css('display', 'block').css('zIndex', '0').fadeOut(1000);
        $(slides[current]).css('zIndex', '1').fadeIn(1000);

        if (settings.type != 'sequence' || settings.type != 'random') {

            settings.type = 'sequence';

        }

        if (settings.type == 'sequence') {

            if ((current + 1) < slides.length) {

                current = current + 1;
                last    = current - 1;

            } else {

                current = 0;
                last = slides.length - 1;

            }

        } else if ( settings.type == 'random' ) {

            last = current;

            while (current == last) {

                current = Math.floor ( Math.random ( ) * ( slides.length ) );

            }

        }

        setTimeout((function(){$.slideshow.next(slides, settings, current, last);}), settings.timeout);
}