(function ($) {

    $.anythingSlider = function (el, options) {

        // To avoid scope issues, use 'base' instead of 'this'
        // to reference this class from internal events and functions.
        var base = this;

        // Access to jQuery and DOM versions of element
        base.$el = $(el);
        base.el = el;

        // Set up a few defaults
        base.currentPage = 1;
        base.timer = null;
        base.playing = false;

        // Add a reverse reference to the DOM object
        base.$el.data("AnythingSlider", base);

        base.init = function () {

            base.options = $.extend({}, $.anythingSlider.defaults, options);

            // Cache existing DOM elements for later 
            base.$wrapper = base.$el.find('> div').css('overflow', 'hidden');
            base.$slider = base.$wrapper.find('> ul');
            base.$items = base.$slider.find('> li');
            base.$single = base.$items.filter(':first');

            // Get the details
            base.singleWidth = base.$single.outerWidth();
            base.pages = base.$items.length;

            if (base.pages === 1) {
                base.options.autoPlay = false;
                base.options.buildNavigation = false;
            }

            // Build the navigation if needed
            if (base.options.buildNavigation) base.buildNavigation();

            // Top and tail the list with 'visible' number of items, top has the last section, and tail has the first
            // This supports the "infinite" scrolling
            // Ensures any cloned elements with ID's have unique ID's
            var $itemClone = base.$items.filter(':last').clone().addClass('cloned');
            if ($itemClone.attr("id") != "") {
                base.$items.filter(':first').before($itemClone.attr('id', ($itemClone.attr('id') + "-cloned")));
            } else {
                base.$items.filter(':first').before($itemClone);
            }

            $itemClone = base.$items.filter(':first').clone().addClass('cloned');
            if ($itemClone.attr("id") != '') {
                base.$items.filter(':last').after($itemClone.attr('id', ($itemClone.attr('id') + "-cloned")));
            } else {
                base.$items.filter(':last').after($itemClone);
            }

            // We just added two items, time to re-cache the list
            base.$items = base.$slider.find('> li'); // reselect

            // Setup our forward/backward navigation
            base.buildNextBackButtons();

            // If autoPlay functionality is included, then initialize the settings
            if (base.options.autoPlay) {
                base.playing = !base.options.startStopped; // Sets the playing variable to false if startStopped is true
                base.buildAutoPlay();
            };

            // If pauseOnHover then add hover effects
            if (base.options.pauseOnHover) {
                base.$el.hover(function () {
                    base.clearTimer();
                }, function () {
                    base.startStop(base.playing);
                });
            }

            // If a hash can not be used to trigger the plugin, then go to page 1
            if ((base.options.hashTags == true && !base.gotoHash()) || base.options.hashTags == false) {
                base.setCurrentPage(1);
            };
        };

        base.gotoPage = function (page, autoplay) {
            // When autoplay isn't passed, we stop the timer
            if (autoplay !== true) autoplay = false;
            if (!autoplay) base.startStop(false);

            if (typeof (page) == "undefined" || page == null) {
                page = 1;
                base.setCurrentPage(1);
            };

            // Just check for bounds
            if (page > base.pages + 1) page = base.pages;
            if (page < 0) page = 1;

            var dir = page < base.currentPage ? -1 : 1,
            n = Math.abs(base.currentPage - page),
         left = base.singleWidth * dir * n;

            base.$wrapper.filter(':not(:animated)').animate({
                scrollLeft: '+=' + left
            }, base.options.animationTime, base.options.easing, function () {

                if (page == 0) {
                    base.$wrapper.scrollLeft(base.singleWidth * base.pages);
                    page = base.pages;
                } else if (page > base.pages) {
                    base.$wrapper.scrollLeft(base.singleWidth);
                    // reset back to start position
                    page = 1;

                };

                base.setCurrentPage(page);

            });
        };

        base.setCurrentPage = function (page, move) {
            // Set visual
            if (base.options.buildNavigation) {
                base.$nav.find('.cur').removeClass('cur');
                $(base.$navLinks[page - 1]).addClass('cur');
            };

            // Only change left if move does not equal false
            if (move !== false) base.$wrapper.scrollLeft(base.singleWidth * page);

            // Update local variable
            base.currentPage = page;
        };

        base.goForward = function (autoplay) {
            if (autoplay !== true) autoplay = false;
            base.gotoPage(base.currentPage + 1, autoplay);
        };

        base.goBack = function () {
            base.gotoPage(base.currentPage - 1);
        };

        // This method tries to find a hash that matches panel-X
        // If found, it tries to find a matching item
        // If that is found as well, then that item starts visible
        base.gotoHash = function () {
            if (/^#?panel-\d+$/.test(window.location.hash)) {
                var index = parseInt(window.location.hash.substr(7));
                var $item = base.$items.filter(':eq(' + index + ')');
                if ($item.length != 0) {
                    base.setCurrentPage(index);
                    return true;
                };
            };
            return false; // A item wasn't found;
        };

        // Creates the numbered navigation links
        base.buildNavigation = function () {
            base.$nav = $("<div class='thumbNav'><div/></div>").prependTo(base.$el);
            base.$items.each(function (i, el) {
                var index = i + 1;
                var $a = $("<a href='#'></a>");

                // If a formatter function is present, use it
                if (typeof (base.options.navigationFormatter) == "function") {
                    $a.html(base.options.navigationFormatter(index, $(this)));
                } else {
                    $a.text(index);
                }

                $a.click(function (e) {
                    base.gotoPage(index);
                    if (base.options.hashTags) base.setHash('panel-' + index);
                    e.preventDefault();
                });

                $("div", base.$nav).append($a);
                $a.wrap("<span />");
            });
            base.$navLinks = base.$nav.find('span > a');
        };

        // Creates the Forward/Backward buttons
        base.buildNextBackButtons = function () {
            var $forward = $('<li class="arrow forward"><a href="#">' + base.options.forwardText + '</a></li>'),
			  	$back = $('<li class="arrow back"><a href="#">' + base.options.backText + '</a></li>');

            // Bind to the forward and back buttons
            $back.click(function (e) {
                base.goBack();
                e.preventDefault();
            });
            $forward.click(function (e) {
                base.goForward();
                e.preventDefault();
            });

            // Append elements to page
            $("ul", base.$nav).prepend($back).append($forward);
        };

        // Creates the Start/Stop button
        base.buildAutoPlay = function () {

            base.$startStop = $("<a href='#' class='start-stop'></a>").html(base.playing ? base.options.stopText : base.options.startText);
            base.$el.prepend(base.$startStop);
            base.$startStop.click(function (e) {
                base.startStop(!base.playing);
                e.preventDefault();
            });

            // Use the same setting, but trigger the start;
            base.startStop(base.playing);
        };

        // Handles stopping and playing the slideshow
        // Pass startStop(false) to stop and startStop(true) to play
        base.startStop = function (playing) {
            if (playing !== true) playing = false; // Default if not supplied is false

            // Update variable
            base.playing = playing;

            // Toggle playing and text
            if (base.options.autoPlay) base.$startStop.toggleClass("playing", playing).html(playing ? base.options.stopText : base.options.startText);

            if (playing) {
                base.clearTimer(); // Just in case this was triggered twice in a row
                base.timer = window.setInterval(function () {
                    base.goForward(true);
                }, base.options.delay);
            } else {
                base.clearTimer();
            };
        };

        base.clearTimer = function () {
            // Clear the timer only if it is set
            if (base.timer) window.clearInterval(base.timer);
        };

        // Taken from AJAXY jquery.history Plugin
        base.setHash = function (hash) {
            // Write hash
            if (typeof window.location.hash !== 'undefined') {
                if (window.location.hash !== hash) {
                    window.location.hash = hash;
                };
            } else if (location.hash !== hash) {
                location.hash = hash;
            };

            // Done
            return hash;
        };
        // <-- End AJAXY code

        // Trigger the initialization
        base.init();
    };

    $.anythingSlider.defaults = {
        easing: "easeInOutExpo",        // Anything other than "linear" or "swing" requires the easing plugin
        autoPlay: true,                 // This turns off the entire FUNCTIONALY, not just if it starts running or not
        startStopped: false,            // If autoPlay is on, this can force it to start stopped
        delay: 3000,                    // How long between slide transitions in AutoPlay mode
        animationTime: 600,             // How long the slide transition takes
        hashTags: false,                 // Should links change the hashtag in the URL?
        buildNavigation: true,          // If true, builds and list of anchor links to link to each slide
        pauseOnHover: true,             // If true, and autoPlay is enabled, the show will pause on hover
        startText: "Start",             // Start text
        stopText: "Stop",               // Stop text
        navigationFormatter: null,      // Details at the top of the file on this use (advanced use)
        forwardText: "&gt;",            // Link text used to move the slider forward
        backText: "&lt;"                // Link text used to move the slider back
    };

    $.fn.anythingSlider = function (options) {

        if (typeof (options) == "object") {
            return this.each(function (i) {
                (new $.anythingSlider(this, options));

                // This plugin supports multiple instances, but only one can support hash-tag support
                // This disables hash-tags on all items but the first one
                options.hashTags = false;
            });

        } else if (typeof (options) == "number") {

            return this.each(function (i) {
                var anySlide = $(this).data('AnythingSlider');
                if (anySlide) {
                    anySlide.gotoPage(options);
                }
            });

        }

    };

})(jQuery);

// t: current time, b: begInnIng value, c: change In value, d: duration
jQuery.easing['jswing'] = jQuery.easing['swing'];

jQuery.extend(jQuery.easing,
{
    def: 'easeOutQuad',
    swing: function (x, t, b, c, d) {
        //alert(jQuery.easing.default);
        return jQuery.easing[jQuery.easing.def](x, t, b, c, d);
    },
    easeInQuad: function (x, t, b, c, d) {
        return c * (t /= d) * t + b;
    },
    easeOutQuad: function (x, t, b, c, d) {
        return -c * (t /= d) * (t - 2) + b;
    },
    easeInOutQuad: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t + b;
        return -c / 2 * ((--t) * (t - 2) - 1) + b;
    },
    easeInCubic: function (x, t, b, c, d) {
        return c * (t /= d) * t * t + b;
    },
    easeOutCubic: function (x, t, b, c, d) {
        return c * ((t = t / d - 1) * t * t + 1) + b;
    },
    easeInOutCubic: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t * t + b;
        return c / 2 * ((t -= 2) * t * t + 2) + b;
    },
    easeInQuart: function (x, t, b, c, d) {
        return c * (t /= d) * t * t * t + b;
    },
    easeOutQuart: function (x, t, b, c, d) {
        return -c * ((t = t / d - 1) * t * t * t - 1) + b;
    },
    easeInOutQuart: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t * t * t + b;
        return -c / 2 * ((t -= 2) * t * t * t - 2) + b;
    },
    easeInQuint: function (x, t, b, c, d) {
        return c * (t /= d) * t * t * t * t + b;
    },
    easeOutQuint: function (x, t, b, c, d) {
        return c * ((t = t / d - 1) * t * t * t * t + 1) + b;
    },
    easeInOutQuint: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return c / 2 * t * t * t * t * t + b;
        return c / 2 * ((t -= 2) * t * t * t * t + 2) + b;
    },
    easeInSine: function (x, t, b, c, d) {
        return -c * Math.cos(t / d * (Math.PI / 2)) + c + b;
    },
    easeOutSine: function (x, t, b, c, d) {
        return c * Math.sin(t / d * (Math.PI / 2)) + b;
    },
    easeInOutSine: function (x, t, b, c, d) {
        return -c / 2 * (Math.cos(Math.PI * t / d) - 1) + b;
    },
    easeInExpo: function (x, t, b, c, d) {
        return (t == 0) ? b : c * Math.pow(2, 10 * (t / d - 1)) + b;
    },
    easeOutExpo: function (x, t, b, c, d) {
        return (t == d) ? b + c : c * (-Math.pow(2, -10 * t / d) + 1) + b;
    },
    easeInOutExpo: function (x, t, b, c, d) {
        if (t == 0) return b;
        if (t == d) return b + c;
        if ((t /= d / 2) < 1) return c / 2 * Math.pow(2, 10 * (t - 1)) + b;
        return c / 2 * (-Math.pow(2, -10 * --t) + 2) + b;
    },
    easeInCirc: function (x, t, b, c, d) {
        return -c * (Math.sqrt(1 - (t /= d) * t) - 1) + b;
    },
    easeOutCirc: function (x, t, b, c, d) {
        return c * Math.sqrt(1 - (t = t / d - 1) * t) + b;
    },
    easeInOutCirc: function (x, t, b, c, d) {
        if ((t /= d / 2) < 1) return -c / 2 * (Math.sqrt(1 - t * t) - 1) + b;
        return c / 2 * (Math.sqrt(1 - (t -= 2) * t) + 1) + b;
    },
    easeInElastic: function (x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * .3;
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        return -(a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
    },
    easeOutElastic: function (x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d) == 1) return b + c; if (!p) p = d * .3;
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        return a * Math.pow(2, -10 * t) * Math.sin((t * d - s) * (2 * Math.PI) / p) + c + b;
    },
    easeInOutElastic: function (x, t, b, c, d) {
        var s = 1.70158; var p = 0; var a = c;
        if (t == 0) return b; if ((t /= d / 2) == 2) return b + c; if (!p) p = d * (.3 * 1.5);
        if (a < Math.abs(c)) { a = c; var s = p / 4; }
        else var s = p / (2 * Math.PI) * Math.asin(c / a);
        if (t < 1) return -.5 * (a * Math.pow(2, 10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p)) + b;
        return a * Math.pow(2, -10 * (t -= 1)) * Math.sin((t * d - s) * (2 * Math.PI) / p) * .5 + c + b;
    },
    easeInBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.70158;
        return c * (t /= d) * t * ((s + 1) * t - s) + b;
    },
    easeOutBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.70158;
        return c * ((t = t / d - 1) * t * ((s + 1) * t + s) + 1) + b;
    },
    easeInOutBack: function (x, t, b, c, d, s) {
        if (s == undefined) s = 1.70158;
        if ((t /= d / 2) < 1) return c / 2 * (t * t * (((s *= (1.525)) + 1) * t - s)) + b;
        return c / 2 * ((t -= 2) * t * (((s *= (1.525)) + 1) * t + s) + 2) + b;
    },
    easeInBounce: function (x, t, b, c, d) {
        return c - jQuery.easing.easeOutBounce(x, d - t, 0, c, d) + b;
    },
    easeOutBounce: function (x, t, b, c, d) {
        if ((t /= d) < (1 / 2.75)) {
            return c * (7.5625 * t * t) + b;
        } else if (t < (2 / 2.75)) {
            return c * (7.5625 * (t -= (1.5 / 2.75)) * t + .75) + b;
        } else if (t < (2.5 / 2.75)) {
            return c * (7.5625 * (t -= (2.25 / 2.75)) * t + .9375) + b;
        } else {
            return c * (7.5625 * (t -= (2.625 / 2.75)) * t + .984375) + b;
        }
    },
    easeInOutBounce: function (x, t, b, c, d) {
        if (t < d / 2) return jQuery.easing.easeInBounce(x, t * 2, 0, c, d) * .5 + b;
        return jQuery.easing.easeOutBounce(x, t * 2 - d, 0, c, d) * .5 + c * .5 + b;
    }
});