/*!

 * jCarousel - Riding carousels with jQuery

 *   http://sorgalla.com/jcarousel/

 *

 * Copyright (c) 2006 Jan Sorgalla (http://sorgalla.com)

 * Dual licensed under the MIT (http://www.opensource.org/licenses/mit-license.php)

 * and GPL (http://www.opensource.org/licenses/gpl-license.php) licenses.

 *

 * Built on top of the jQuery library

 *   http://jquery.com

 *

 * Inspired by the "Carousel Component" by Bill Scott

 *   http://billwscott.com/carousel/

 */



/*global window, jQuery */
(function($) {

    // Default configuration properties.

    var defaults = {

        vertical: false,

        rtl: false,

        start: 1,

        offset: 1,

        size: null,

        scroll: 3,

        visible: null,

        animation: 'normal',

        easing: 'swing',

        auto: 0,

		next_or_previous: 'next',

        wrap: null,

        initCallback: null,

        setupCallback: null,

        reloadCallback: null,

        itemLoadCallback: null,

        itemFirstInCallback: null,

        itemFirstOutCallback: null,

        itemLastInCallback: null,

        itemLastOutCallback: null,

        itemVisibleInCallback: null,

        itemVisibleOutCallback: null,

        animationStepCallback: null,

        buttonNextHTML: '<div></div>',

        buttonPrevHTML: '<div></div>',

        buttonNextEvent: 'click',

        buttonPrevEvent: 'click',

        buttonNextCallback: null,

        buttonPrevCallback: null,

        itemFallbackDimension: null

    }, windowLoaded = false;



    $(window).bind('load.jcarousel', function() { windowLoaded = true; });



    /**

     * The jCarousel object.

     *

     * @constructor

     * @class jcarousel

     * @param e {HTMLElement} The element to create the carousel for.

     * @param o {Object} A set of key/value pairs to set as configuration properties.

     * @cat Plugins/jCarousel

     */

    $.jcarousel = function(e, o) {

        this.options    = $.extend({}, defaults, o || {});



        this.locked          = false;

        this.autoStopped     = false;



        this.container       = null;

        this.clip            = null;

        this.list            = null;

        this.buttonNext      = null;

        this.buttonPrev      = null;

        this.buttonNextState = null;

        this.buttonPrevState = null;

		this.parent_div = $(e).parent()

		this.parent_div_reset_html = $(e).parent().html()

        // Only set if not explicitly passed as option

        if (!o || o.rtl === undefined) {

            this.options.rtl = ($(e).attr('dir') || $('html').attr('dir') || '').toLowerCase() == 'rtl';

        }



        this.wh = !this.options.vertical ? 'width' : 'height';

        this.lt = !this.options.vertical ? (this.options.rtl ? 'right' : 'left') : 'top';



        // Extract skin class

        var skin = '', split = e.className.split(' ');



        for (var i = 0; i < split.length; i++) {

            if (split[i].indexOf('jcarousel-skin') != -1) {

                $(e).removeClass(split[i]);

                skin = split[i];

                break;

            }

        }



        if (e.nodeName.toUpperCase() == 'UL' || e.nodeName.toUpperCase() == 'OL') {

            this.list      = $(e);

            this.clip      = this.list.parents('.jcarousel-clip');

            this.container = this.list.parents('.jcarousel-container');

        } else {

            this.container = $(e);

            this.list      = this.container.find('ul,ol').eq(0);

            this.clip      = this.container.find('.jcarousel-clip');

        }



        if (this.clip.size() === 0) {

            this.clip = this.list.wrap('<div></div>').parent();

        }



        if (this.container.size() === 0) {

            this.container = this.clip.wrap('<div></div>').parent();

        }



        if (skin !== '' && this.container.parent()[0].className.indexOf('jcarousel-skin') == -1) {

            this.container.wrap('<div class=" '+ skin + '"></div>');

        }



        this.buttonPrev = $('.jcarousel-prev', this.container);



        if (this.buttonPrev.size() === 0 && this.options.buttonPrevHTML !== null) {

            this.buttonPrev = $(this.options.buttonPrevHTML).appendTo(this.container);

        }



        this.buttonPrev.addClass(this.className('jcarousel-prev'));



        this.buttonNext = $('.jcarousel-next', this.container);



        if (this.buttonNext.size() === 0 && this.options.buttonNextHTML !== null) {

            this.buttonNext = $(this.options.buttonNextHTML).appendTo(this.container);

        }



        this.buttonNext.addClass(this.className('jcarousel-next'));



        this.clip.addClass(this.className('jcarousel-clip')).css({

            position: 'relative'

        });



        this.list.addClass(this.className('jcarousel-list')).css({

            overflow: 'hidden',

            position: 'relative',

            top: 0,

            margin: 0,

            padding: 0

        }).css((this.options.rtl ? 'right' : 'left'), 0);



        this.container.addClass(this.className('jcarousel-container')).css({

            position: 'relative'

        });



        if (!this.options.vertical && this.options.rtl) {

            this.container.addClass('jcarousel-direction-rtl').attr('dir', 'rtl');

        }



        var di = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null;

        var li = this.list.children('li');



        var self = this;



        if (li.size() > 0) {

            var wh = 0, j = this.options.offset;

            li.each(function() {

                self.format(this, j++);

                wh += self.dimension(this, di);

            });



            this.list.css(this.wh, (wh + 100) + 'px');



            // Only set if not explicitly passed as option

            if (!o || o.size === undefined) {

                this.options.size = li.size();

            }

        }



        // For whatever reason, .show() does not work in Safari...

        this.container.css('display', 'block');

        this.buttonNext.css('display', 'block');

        this.buttonPrev.css('display', 'block');



        this.funcNext   = function() { self.next(); };

        this.funcPrev   = function() { self.prev(); };

        this.funcResize = function() { 

            if (self.resizeTimer) {

                clearTimeout(self.resizeTimer);

            }



            self.resizeTimer = setTimeout(function() {

                self.reload();

            }, 100);

        };



        if (this.options.initCallback !== null) {

            this.options.initCallback(this, 'init');

        }



        if (!windowLoaded && $.browser.safari) {

            this.buttons(false, false);

            $(window).bind('load.jcarousel', function() { self.setup(); });

        } else {

            this.setup();

        }

    };



    // Create shortcut for internal use

    var $jc = $.jcarousel;



    $jc.fn = $jc.prototype = {

        jcarousel: '0.2.8'

    };



    $jc.fn.extend = $jc.extend = $.extend;



    $jc.fn.extend({

        /**

         * Setups the carousel.

         *

         * @method setup

         * @return undefined

         */

        setup: function() {

            this.first       = null;

            this.last        = null;

            this.prevFirst   = null;

            this.prevLast    = null;

            this.animating   = false;

            this.timer       = null;

            this.resizeTimer = null;

            this.tail        = null;

            this.inTail      = false;



            if (this.locked) {

                return;

            }



            this.list.css(this.lt, this.pos(this.options.offset) + 'px');

            var p = this.pos(this.options.start, true);

            this.prevFirst = this.prevLast = null;

            this.animate(p, false);



            $(window).unbind('resize.jcarousel', this.funcResize).bind('resize.jcarousel', this.funcResize);



            if (this.options.setupCallback !== null) {

                this.options.setupCallback(this);

            }

        },



        /**

         * Clears the list and resets the carousel.

         *

         * @method reset

         * @return undefined

         */

        reset: function() {

            this.list.empty().html('');



            this.list.css(this.lt, '0px');

            this.list.css(this.wh, '10px');



            if (this.options.initCallback !== null) {

                this.options.initCallback(this, 'reset');

            }



            this.setup();

        },



        /**

         * Reloads the carousel and adjusts positions.

         *

         * @method reload

         * @return undefined

         */

        reload: function() {

            if (this.tail !== null && this.inTail) {

                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + this.tail);

            }



            this.tail   = null;

            this.inTail = false;



            if (this.options.reloadCallback !== null) {

                this.options.reloadCallback(this);

            }



            if (this.options.visible !== null) {

                var self = this;

                var di = Math.ceil(this.clipping() / this.options.visible), wh = 0, lt = 0;

                this.list.children('li').each(function(i) {

                    wh += self.dimension(this, di);

                    if (i + 1 < self.first) {

                        lt = wh;

                    }

                });



                this.list.css(this.wh, wh + 'px');

                this.list.css(this.lt, -lt + 'px');

            }



            this.scroll(this.first, false);

        },



        /**

         * Locks the carousel.

         *

         * @method lock

         * @return undefined

         */

        lock: function() {

            this.locked = true;

            this.buttons();

        },



        /**

         * Unlocks the carousel.

         *

         * @method unlock

         * @return undefined

         */

        unlock: function() {

            this.locked = false;

            this.buttons();

        },



        /**

         * Sets the size of the carousel.

         *

         * @method size

         * @return undefined

         * @param s {Number} The size of the carousel.

         */

        size: function(s) {

            if (s !== undefined) {

                this.options.size = s;

                if (!this.locked) {

                    this.buttons();

                }

            }



            return this.options.size;

        },



        /**

         * Checks whether a list element exists for the given index (or index range).

         *

         * @method get

         * @return bool

         * @param i {Number} The index of the (first) element.

         * @param i2 {Number} The index of the last element.

         */

        has: function(i, i2) {

            if (i2 === undefined || !i2) {

                i2 = i;

            }



            if (this.options.size !== null && i2 > this.options.size) {

                i2 = this.options.size;

            }



            for (var j = i; j <= i2; j++) {

                var e = this.get(j);

                if (!e.length || e.hasClass('jcarousel-item-placeholder')) {

                    return false;

                }

            }



            return true;

        },



        /**

         * Returns a jQuery object with list element for the given index.

         *

         * @method get

         * @return jQuery

         * @param i {Number} The index of the element.

         */

        get: function(i) {

            return $('>.jcarousel-item-' + i, this.list);

        },



        /**

         * Adds an element for the given index to the list.

         * If the element already exists, it updates the inner html.

         * Returns the created element as jQuery object.

         *

         * @method add

         * @return jQuery

         * @param i {Number} The index of the element.

         * @param s {String} The innerHTML of the element.

         */

        add: function(i, s) {

            var e = this.get(i), old = 0, n = $(s);



            if (e.length === 0) {

                var c, j = $jc.intval(i);

                e = this.create(i);

                while (true) {

                    c = this.get(--j);

                    if (j <= 0 || c.length) {

                        if (j <= 0) {

                            this.list.prepend(e);

                        } else {

                            c.after(e);

                        }

                        break;

                    }

                }

            } else {

                old = this.dimension(e);

            }



            if (n.get(0).nodeName.toUpperCase() == 'LI') {

                e.replaceWith(n);

                e = n;

            } else {

                e.empty().append(s);

            }



            this.format(e.removeClass(this.className('jcarousel-item-placeholder')), i);



            var di = this.options.visible !== null ? Math.ceil(this.clipping() / this.options.visible) : null;

            var wh = this.dimension(e, di) - old;



            if (i > 0 && i < this.first) {

                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - wh + 'px');

            }



            this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) + wh + 'px');



            return e;

        },



        /**

         * Removes an element for the given index from the list.

         *

         * @method remove

         * @return undefined

         * @param i {Number} The index of the element.

         */

        remove: function(i) {

            var e = this.get(i);



            // Check if item exists and is not currently visible

            if (!e.length || (i >= this.first && i <= this.last)) {

                return;

            }



            var d = this.dimension(e);



            if (i < this.first) {

                this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) + d + 'px');

            }



            e.remove();



            this.list.css(this.wh, $jc.intval(this.list.css(this.wh)) - d + 'px');

        },



        /**

         * Moves the carousel forwards.

         *

         * @method next

         * @return undefined

         */

        next: function() {

            if (this.tail !== null && !this.inTail) {

                this.scrollTail(false);

            } else {

                this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'last') && this.options.size !== null && this.last == this.options.size) ? 1 : this.first + this.options.scroll);

            }

        },



        /**

         * Moves the carousel backwards.

         *

         * @method prev

         * @return undefined

         */

        prev: function() {

            if (this.tail !== null && this.inTail) {

                this.scrollTail(true);

            } else {

                this.scroll(((this.options.wrap == 'both' || this.options.wrap == 'first') && this.options.size !== null && this.first == 1) ? this.options.size : this.first - this.options.scroll);

            }

        },



        /**

         * Scrolls the tail of the carousel.

         *

         * @method scrollTail

         * @return undefined

         * @param b {Boolean} Whether scroll the tail back or forward.

         */

        scrollTail: function(b) {

            if (this.locked || this.animating || !this.tail) {

                return;

            }



            this.pauseAuto();



            var pos  = $jc.intval(this.list.css(this.lt));



            pos = !b ? pos - this.tail : pos + this.tail;

            this.inTail = !b;



            // Save for callbacks

            this.prevFirst = this.first;

            this.prevLast  = this.last;



            this.animate(pos);

        },



        /**

         * Scrolls the carousel to a certain position.

         *

         * @method scroll

         * @return undefined

         * @param i {Number} The index of the element to scoll to.

         * @param a {Boolean} Flag indicating whether to perform animation.

         */

        scroll: function(i, a) {

            if (this.locked || this.animating) {

                return;

            }



            this.pauseAuto();

            this.animate(this.pos(i), a);

        },



        /**

         * Prepares the carousel and return the position for a certian index.

         *

         * @method pos

         * @return {Number}

         * @param i {Number} The index of the element to scoll to.

         * @param fv {Boolean} Whether to force last item to be visible.

         */

        pos: function(i, fv) {

            var pos  = $jc.intval(this.list.css(this.lt));



            if (this.locked || this.animating) {

                return pos;

            }



            if (this.options.wrap != 'circular') {

                i = i < 1 ? 1 : (this.options.size && i > this.options.size ? this.options.size : i);

            }



            var back = this.first > i;



            // Create placeholders, new list width/height

            // and new list position

            var f = this.options.wrap != 'circular' && this.first <= 1 ? 1 : this.first;

            var c = back ? this.get(f) : this.get(this.last);

            var j = back ? f : f - 1;

            var e = null, l = 0, p = false, d = 0, g;



            while (back ? --j >= i : ++j < i) {

                e = this.get(j);

                p = !e.length;

                if (e.length === 0) {

                    e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));

                    c[back ? 'before' : 'after' ](e);



                    if (this.first !== null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {

                        g = this.get(this.index(j));

                        if (g.length) {

                            e = this.add(j, g.clone(true));

                        }

                    }

                }



                c = e;

                d = this.dimension(e);



                if (p) {

                    l += d;

                }



                if (this.first !== null && (this.options.wrap == 'circular' || (j >= 1 && (this.options.size === null || j <= this.options.size)))) {

                    pos = back ? pos + d : pos - d;

                }

            }



            // Calculate visible items

            var clipping = this.clipping(), cache = [], visible = 0, v = 0;

            c = this.get(i - 1);

            j = i;



            while (++visible) {

                e = this.get(j);

                p = !e.length;

                if (e.length === 0) {

                    e = this.create(j).addClass(this.className('jcarousel-item-placeholder'));

                    // This should only happen on a next scroll

                    if (c.length === 0) {

                        this.list.prepend(e);

                    } else {

                        c[back ? 'before' : 'after' ](e);

                    }



                    if (this.first !== null && this.options.wrap == 'circular' && this.options.size !== null && (j <= 0 || j > this.options.size)) {

                        g = this.get(this.index(j));

                        if (g.length) {

                            e = this.add(j, g.clone(true));

                        }

                    }

                }



                c = e;

                d = this.dimension(e);

                if (d === 0) {

                    throw new Error('jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...');

                }



                if (this.options.wrap != 'circular' && this.options.size !== null && j > this.options.size) {

                    cache.push(e);

                } else if (p) {

                    l += d;

                }



                v += d;



                if (v >= clipping) {

                    break;

                }



                j++;

            }



             // Remove out-of-range placeholders

            for (var x = 0; x < cache.length; x++) {

                cache[x].remove();

            }



            // Resize list

            if (l > 0) {

                this.list.css(this.wh, this.dimension(this.list) + l + 'px');



                if (back) {

                    pos -= l;

                    this.list.css(this.lt, $jc.intval(this.list.css(this.lt)) - l + 'px');

                }

            }



            // Calculate first and last item

            var last = i + visible - 1;

            if (this.options.wrap != 'circular' && this.options.size && last > this.options.size) {

                last = this.options.size;

            }



            if (j > last) {

                visible = 0;

                j = last;

                v = 0;

                while (++visible) {

                    e = this.get(j--);

                    if (!e.length) {

                        break;

                    }

                    v += this.dimension(e);

                    if (v >= clipping) {

                        break;

                    }

                }

            }



            var first = last - visible + 1;

            if (this.options.wrap != 'circular' && first < 1) {

                first = 1;

            }



            if (this.inTail && back) {

                pos += this.tail;

                this.inTail = false;

            }



            this.tail = null;

            if (this.options.wrap != 'circular' && last == this.options.size && (last - visible + 1) >= 1) {

                var m = $jc.intval(this.get(last).css(!this.options.vertical ? 'marginRight' : 'marginBottom'));

                if ((v - m) > clipping) {

                    this.tail = v - clipping - m;

                }

            }



            if (fv && i === this.options.size && this.tail) {

                pos -= this.tail;

                this.inTail = true;

            }



            // Adjust position

            while (i-- > first) {

                pos += this.dimension(this.get(i));

            }



            // Save visible item range

            this.prevFirst = this.first;

            this.prevLast  = this.last;

            this.first     = first;

            this.last      = last;



            return pos;

        },



        /**

         * Animates the carousel to a certain position.

         *

         * @method animate

         * @return undefined

         * @param p {Number} Position to scroll to.

         * @param a {Boolean} Flag indicating whether to perform animation.

         */

        animate: function(p, a) {

            if (this.locked || this.animating) {

                return;

            }



            this.animating = true;



            var self = this;

            var scrolled = function() {

                self.animating = false;



                if (p === 0) {

                    self.list.css(self.lt,  0);

                }



                if (!self.autoStopped && (self.options.wrap == 'circular' || self.options.wrap == 'both' || self.options.wrap == 'last' || self.options.size === null || self.last < self.options.size || (self.last == self.options.size && self.tail !== null && !self.inTail))) {

                    self.startAuto();

                }



                self.buttons();

                self.notify('onAfterAnimation');



                // This function removes items which are appended automatically for circulation.

                // This prevents the list from growing infinitely.

                if (self.options.wrap == 'circular' && self.options.size !== null) {

                    for (var i = self.prevFirst; i <= self.prevLast; i++) {

                        if (i !== null && !(i >= self.first && i <= self.last) && (i < 1 || i > self.options.size)) {

                            self.remove(i);

                        }

                    }

                }

            };



            this.notify('onBeforeAnimation');



            // Animate

            if (!this.options.animation || a === false) {

                this.list.css(this.lt, p + 'px');

                scrolled();

            } else {

                var o = !this.options.vertical ? (this.options.rtl ? {'right': p} : {'left': p}) : {'top': p};

                // Define animation settings.

                var settings = {

                    duration: this.options.animation,

                    easing:   this.options.easing,

                    complete: scrolled

                };

                // If we have a step callback, specify it as well.

                if ($.isFunction(this.options.animationStepCallback)) {

                    settings.step = this.options.animationStepCallback;

                }

                // Start the animation.

				this.list.startAnimation(o, settings);

                //this.list.animate(o, settings);

            }

        },



        /**

         * Starts autoscrolling.

         *

         * @method auto

         * @return undefined

		 * @param next_or_previous 'next' or 'prev' default to this.options.next_or_previous 

         * @param s {Number} Seconds to periodically autoscroll the content. default to this.options.auto

         */

        startAuto: function(next_or_previous, s) {

			if (typeof(next_or_previous) === 'undefined' || (next_or_previous !== 'prev' && next_or_previous !== 'next')) {

                next_or_previous = this.options.next_or_previous;

            }

			this.options.next_or_previous = next_or_previous;

            if (typeof(s) === 'undefined' || typeof(s) !== 'number') {

				s = this.options.auto;

            }

			this.options.auto = s;

            if (this.options.auto === 0) {

                return this.stopAuto();

            }



            if (this.timer !== null) {

                return;

            }



            this.autoStopped = false;

            var self = this;

			if (this.options.next_or_previous == 'next') {

				this.timer = window.setTimeout(function() { self.next(); }, this.options.auto * 1000);

			} else {

				this.timer = window.setTimeout(function() { self.prev(); }, this.options.auto * 1000);

			}

            

        },



        /**

         * Stops autoscrolling.

         *

         * @method stopAuto

         * @return undefined

         */

        stopAuto: function() {

            this.pauseAuto();

            this.autoStopped = true;

        },



        /**

         * Pauses autoscrolling.

         *

         * @method pauseAuto

         * @return undefined

         */

        pauseAuto: function() {

            if (this.timer === null) {

                return;

            }



            window.clearTimeout(this.timer);

            this.timer = null;

        },



        /**

         * Sets the states of the prev/next buttons.

         *

         * @method buttons

         * @return undefined

         */

        buttons: function(n, p) {

            if (n == null) {

                n = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'first') || this.options.size === null || this.last < this.options.size);

                if (!this.locked && (!this.options.wrap || this.options.wrap == 'first') && this.options.size !== null && this.last >= this.options.size) {

                    n = this.tail !== null && !this.inTail;

                }

            }



            if (p == null) {

                p = !this.locked && this.options.size !== 0 && ((this.options.wrap && this.options.wrap != 'last') || this.first > 1);

                if (!this.locked && (!this.options.wrap || this.options.wrap == 'last') && this.options.size !== null && this.first == 1) {

                    p = this.tail !== null && this.inTail;

                }

            }



            var self = this;



            if (this.buttonNext.size() > 0) {

                this.buttonNext.unbind(this.options.buttonNextEvent + '.jcarousel', this.funcNext);



                if (n) {

                    this.buttonNext.bind(this.options.buttonNextEvent + '.jcarousel', this.funcNext);

                }



                this.buttonNext[n ? 'removeClass' : 'addClass'](this.className('jcarousel-next-disabled')).attr('disabled', n ? false : true);



                if (this.options.buttonNextCallback !== null && this.buttonNext.data('jcarouselstate') != n) {

                    this.buttonNext.each(function() { self.options.buttonNextCallback(self, this, n); }).data('jcarouselstate', n);

                }

            } else {

                if (this.options.buttonNextCallback !== null && this.buttonNextState != n) {

                    this.options.buttonNextCallback(self, null, n);

                }

            }



            if (this.buttonPrev.size() > 0) {

                this.buttonPrev.unbind(this.options.buttonPrevEvent + '.jcarousel', this.funcPrev);



                if (p) {

                    this.buttonPrev.bind(this.options.buttonPrevEvent + '.jcarousel', this.funcPrev);

                }



                this.buttonPrev[p ? 'removeClass' : 'addClass'](this.className('jcarousel-prev-disabled')).attr('disabled', p ? false : true);



                if (this.options.buttonPrevCallback !== null && this.buttonPrev.data('jcarouselstate') != p) {

                    this.buttonPrev.each(function() { self.options.buttonPrevCallback(self, this, p); }).data('jcarouselstate', p);

                }

            } else {

                if (this.options.buttonPrevCallback !== null && this.buttonPrevState != p) {

                    this.options.buttonPrevCallback(self, null, p);

                }

            }



            this.buttonNextState = n;

            this.buttonPrevState = p;

        },



        /**

         * Notify callback of a specified event.

         *

         * @method notify

         * @return undefined

         * @param evt {String} The event name

         */

        notify: function(evt) {

            var state = this.prevFirst === null ? 'init' : (this.prevFirst < this.first ? 'next' : 'prev');



            // Load items

            this.callback('itemLoadCallback', evt, state);



            if (this.prevFirst !== this.first) {

                this.callback('itemFirstInCallback', evt, state, this.first);

                this.callback('itemFirstOutCallback', evt, state, this.prevFirst);

            }



            if (this.prevLast !== this.last) {

                this.callback('itemLastInCallback', evt, state, this.last);

                this.callback('itemLastOutCallback', evt, state, this.prevLast);

            }



            this.callback('itemVisibleInCallback', evt, state, this.first, this.last, this.prevFirst, this.prevLast);

            this.callback('itemVisibleOutCallback', evt, state, this.prevFirst, this.prevLast, this.first, this.last);

        },



        callback: function(cb, evt, state, i1, i2, i3, i4) {

            if (this.options[cb] == null || (typeof this.options[cb] != 'object' && evt != 'onAfterAnimation')) {

                return;

            }



            var callback = typeof this.options[cb] == 'object' ? this.options[cb][evt] : this.options[cb];



            if (!$.isFunction(callback)) {

                return;

            }



            var self = this;



            if (i1 === undefined) {

                callback(self, state, evt);

            } else if (i2 === undefined) {

                this.get(i1).each(function() { callback(self, this, i1, state, evt); });

            } else {

                var call = function(i) {

                    self.get(i).each(function() { callback(self, this, i, state, evt); });

                };

                for (var i = i1; i <= i2; i++) {

                    if (i !== null && !(i >= i3 && i <= i4)) {

                        call(i);

                    }

                }

            }

        },



        create: function(i) {

            return this.format('<li></li>', i);

        },



        format: function(e, i) {

            e = $(e);

            var split = e.get(0).className.split(' ');

            for (var j = 0; j < split.length; j++) {

                if (split[j].indexOf('jcarousel-') != -1) {

                    e.removeClass(split[j]);

                }

            }

            e.addClass(this.className('jcarousel-item')).addClass(this.className('jcarousel-item-' + i)).css({

                'float': (this.options.rtl ? 'right' : 'left'),

                'list-style': 'none'

            }).attr('jcarouselindex', i);

            return e;

        },



        className: function(c) {

            return c + ' ' + c + (!this.options.vertical ? '-horizontal' : '-vertical');

        },



        dimension: function(e, d) {

            var el = $(e);



            if (d == null) {

                return !this.options.vertical ?

                       (el.outerWidth(true) || $jc.intval(this.options.itemFallbackDimension)) :

                       (el.outerHeight(true) || $jc.intval(this.options.itemFallbackDimension));

            } else {

                var w = !this.options.vertical ?

                    d - $jc.intval(el.css('marginLeft')) - $jc.intval(el.css('marginRight')) :

                    d - $jc.intval(el.css('marginTop')) - $jc.intval(el.css('marginBottom'));



                $(el).css(this.wh, w + 'px');



                return this.dimension(el);

            }

        },



        clipping: function() {

            return !this.options.vertical ?

                this.clip[0].offsetWidth - $jc.intval(this.clip.css('borderLeftWidth')) - $jc.intval(this.clip.css('borderRightWidth')) :

                this.clip[0].offsetHeight - $jc.intval(this.clip.css('borderTopWidth')) - $jc.intval(this.clip.css('borderBottomWidth'));

        },



        index: function(i, s) {

            if (s == null) {

                s = this.options.size;

            }



            return Math.round((((i-1) / s) - Math.floor((i-1) / s)) * s) + 1;

        }

    });



    $jc.extend({

        /**

         * Gets/Sets the global default configuration properties.

         *

         * @method defaults

         * @return {Object}

         * @param d {Object} A set of key/value pairs to set as configuration properties.

         */

        defaults: function(d) {

            return $.extend(defaults, d || {});

        },



        intval: function(v) {

            v = parseInt(v, 10);

            return isNaN(v) ? 0 : v;

        },



        windowLoaded: function() {

            windowLoaded = true;

        }

    });



    /**

     * Creates a carousel for all matched elements.

     *

     * @example $("#mycarousel").jcarousel();

     * @before <ul id="mycarousel" class="jcarousel-skin-name"><li>First item</li><li>Second item</li></ul>

     * @result

     *

     * <div class="jcarousel-skin-name">

     *   <div class="jcarousel-container">

     *     <div class="jcarousel-clip">

     *       <ul class="jcarousel-list">

     *         <li class="jcarousel-item-1">First item</li>

     *         <li class="jcarousel-item-2">Second item</li>

     *       </ul>

     *     </div>

     *     <div disabled="disabled" class="jcarousel-prev jcarousel-prev-disabled"></div>

     *     <div class="jcarousel-next"></div>

     *   </div>

     * </div>

     *

     * @method jcarousel

     * @return jQuery

     * @param o {Hash|String} A set of key/value pairs to set as configuration properties or a method name to call on a formerly created instance.

     */

    $.fn.jcarousel = function(o) {

        if (typeof o == 'string') {

            var instance = $(this).data('jcarousel'), args = Array.prototype.slice.call(arguments, 1);

            return instance[o].apply(instance, args);

        } else {

            return this.each(function() {

                var instance = $(this).data('jcarousel');

                if (instance) {

                    if (o) {

                        $.extend(instance.options, o);

                    }

                    instance.reload();

                } else {

                    $(this).data('jcarousel', new $jc(this, o));

                }

            });

        }

    };



})(jQuery);


