(function ($) {
    $.fn.fadeTransition = function (options) {
        var transitionObject,
        options = $.extend({ pauseTime: 5000,
            transitionTime: 2000,
            ignore: null,
            delayStart: 0,
            pauseOnMouseOver: false,
            manualNavigation: false,
            createNavButtons: false
        }, options);

        function fader(obj) {
            var timer = null,
          current = 0;
            els = (options.ignore) ? $("> *:not(" + options.ignore + ")", obj) : $("> *", obj);

            function setup() {
                $(obj).css("position", "relative");
                els.css("display", "none").css("left", "0").css("top", "0").css("position", "absolute");

                if (options.createNavButtons) {
                    createNavButtons();
                }

                if (options.pauseOnMouseOver) {
                    $(obj).mouseover(pause).mouseout(cue);
                }

                if (options.delayStart > 0) {
                    setTimeout(showFirst, options.delayStart);
                }
                else {
                    showFirst();
                }
            }

            setup();

            function createNavButtons() {
                var i, nav = $('<div class="fadenav"></div>');
                for (i = 0; i < els.length; i++)
                    $('<a href="#">&nbsp;</a>').click(manualNav).appendTo(nav);

                nav.appendTo(obj);
            }

            function manualNav(e) {
                var item;
                e = e || window.event;
                $(e.target).blur();
                item = $('.fadenav a', obj).index(e.target);
                if (timer) {
                    clearTimeout(timer);
                }
                transition(item);
                return false;
            }

            function pause() {
                if (timer)
                    clearTimeout(timer);
            }

            function highlightNav() {
                if (options.createNavButtons) {
                    $('.fadenav a', obj).removeClass('current');
                    $('.fadenav a:nth-child(' + (1 + current) + ')', obj).addClass('current');
                }
            }

            function showFirst() {
                if (options.ignore) {
                    $(options.ignore, obj).fadeOut(options.transitionTime);
                    $(els[current]).fadeIn(options.transitionTime, cue);
                }
                else {
                    $(els[current]).css("display", "block");
                }

                highlightNav();
            }

            function transition(next) {
                $(els[current]).fadeOut(options.transitionTime);
                $(els[next]).fadeIn(options.transitionTime);
                current = next;
                highlightNav();
                cue();
            }

            function cue() {
                if ($("> *", obj).length < 2) {
                    return false;
                }

                if (timer) {
                    clearTimeout(timer);
                }

                if (!options.manualNavigation) {
                    timer = setTimeout(function () { transition((current + 1) % els.length | 0) }, options.pauseTime);
                }
            }
        }

        return this.each(function () {
            new fader(this);
        });
    }

})(jQuery);