/*!
 * 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/
 */

(function (i) {
    i.fn.jcarousel = function (a) {
        if (typeof a == "string") {
            var c = i(this).data("jcarousel"),
                b = Array.prototype.slice.call(arguments, 1);
            return c[a].apply(c, b)
        } else return this.each(function () {
            i(this).data("jcarousel", new h(this, a))
        })
    };
    var p = {
        vertical: false,
        rtl: false,
        start: 1,
        offset: 1,
        size: 39,
        scroll: 1,
        visible: null,
        animation: "slow",
        easing: "swing",
        auto: 0,
        wrap: null,
        initCallback: null,
        reloadCallback: null,
        itemLoadCallback: null,
        itemFirstInCallback: null,
        itemFirstOutCallback: null,
        itemLastInCallback: null,
        itemLastOutCallback: null,
        itemVisibleInCallback: null,
        itemVisibleOutCallback: null,
        buttonNextHTML: "<div></div>",
        buttonPrevHTML: "<div></div>",
        buttonNextEvent: "click",
        buttonPrevEvent: "click",
        buttonNextCallback: null,
        buttonPrevCallback: null,
        itemFallbackDimension: null
    },
        q = false;
    i(window).bind("load.jcarousel", function () {
        q = true
    });
    i.jcarousel = function (a, c) {
        this.options = i.extend({}, p, c || {});
        this.locked = false;
        this.buttonPrev = this.buttonNext = this.list = this.clip = this.container = null;
        if (!c || c.rtl === undefined) this.options.rtl = (i(a).attr("dir") || i("html").attr("dir") || "").toLowerCase() == "rtl";
        this.wh = !this.options.vertical ? "width" : "height";
        this.lt = !this.options.vertical ? this.options.rtl ? "right" : "left" : "top";
        for (var b = "", d = a.className.split(" "), e = 0; e < d.length; e++) if (d[e].indexOf("jcarousel-skin") != -1) {
            i(a).removeClass(d[e]);
            b = d[e];
            break
        }
        if (a.nodeName.toUpperCase() == "UL" || a.nodeName.toUpperCase() == "OL") {
            this.list = i(a);
            this.container = this.list.parent();
            if (this.container.hasClass("jcarousel-clip")) {
                if (!this.container.parent().hasClass("jcarousel-container")) this.container = this.container.wrap("<div></div>");
                this.container = this.container.parent()
            } else if (!this.container.hasClass("jcarousel-container")) this.container = this.list.wrap("<div></div>").parent()
        } else {
            this.container = i(a);
            this.list = this.container.find("ul,ol").eq(0)
        }
        b != "" && this.container.parent()[0].className.indexOf("jcarousel-skin") == -1 && this.container.wrap('<div class=" ' + b + '"></div>');
        this.clip = this.list.parent();
        if (!this.clip.length || !this.clip.hasClass("jcarousel-clip")) this.clip = this.list.wrap("<div></div>").parent();
        this.buttonNext = i(".jcarousel-next", this.container);
        if (this.buttonNext.size() == 0 && this.options.buttonNextHTML != null) this.buttonNext = this.clip.after(this.options.buttonNextHTML).next();
        this.buttonNext.addClass(this.className("jcarousel-next"));
        this.buttonPrev = i(".jcarousel-prev", this.container);
        if (this.buttonPrev.size() == 0 && this.options.buttonPrevHTML != null) this.buttonPrev = this.clip.after(this.options.buttonPrevHTML).next();
        this.buttonPrev.addClass(this.className("jcarousel-prev"));
        this.clip.addClass(this.className("jcarousel-clip")).css({
            overflow: "hidden",
            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"
        });
        !this.options.vertical && this.options.rtl && this.container.addClass("jcarousel-direction-rtl").attr("dir", "rtl");
        var f = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
        b = this.list.children("li");
        var g = this;
        if (b.size() > 0) {
            var j = 0;
            e = this.options.offset;
            b.each(function () {
                g.format(this, e++);
                j += g.dimension(this, f)
            });
            this.list.css(this.wh, j + 100 + "px");
            if (!c || c.size === undefined) this.options.size = b.size()
        }
        this.container.css("display", "block");
        this.buttonNext.css("display", "block");
        this.buttonPrev.css("display", "block");
        this.funcNext = function () {
            g.next()
        };
        this.funcPrev = function () {
            g.prev()
        };
        this.funcResize = function () {
            g.reload()
        };
        this.options.initCallback != null && this.options.initCallback(this, "init");
        if (!q && i.browser.safari) {
            this.buttons(false, false);
            i(window).bind("load.jcarousel", function () {
                g.setup()
            })
        } else this.setup()
    };
    var h = i.jcarousel;
    h.fn = h.prototype = {
        jcarousel: "0.2.5"
    };
    h.fn.extend = h.extend = i.extend;
    h.fn.extend({
        setup: function () {
            this.prevLast = this.prevFirst = this.last = this.first = null;
            this.animating = false;
            this.tail = this.timer = null;
            this.inTail = false;
            if (!this.locked) {
                this.list.css(this.lt, this.pos(this.options.offset) + "px");
                var a = this.pos(this.options.start);
                this.prevFirst = this.prevLast = null;
                this.animate(a, false);
                i(window).unbind("resize.jcarousel", this.funcResize).bind("resize.jcarousel", this.funcResize)
            }
        },
        reset: function () {
            this.list.empty();
            this.list.css(this.lt, "0px");
            this.list.css(this.wh, "10px");
            this.options.initCallback != null && this.options.initCallback(this, "reset");
            this.setup()
        },
        reload: function () {
            this.tail != null && this.inTail && this.list.css(this.lt, h.intval(this.list.css(this.lt)) + this.tail);
            this.tail = null;
            this.inTail = false;
            this.options.reloadCallback != null && this.options.reloadCallback(this);
            if (this.options.visible != null) {
                var a = this,
                    c = Math.ceil(this.clipping() / this.options.visible),
                    b = 0,
                    d = 0;
                this.list.children("li").each(function (e) {
                    b += a.dimension(this, c);
                    if (e + 1 < a.first) d = b
                });
                this.list.css(this.wh, b + "px");
                this.list.css(this.lt, -d + "px")
            }
            this.scroll(this.first, false)
        },
        lock: function () {
            this.locked = true;
            this.buttons()
        },
        unlock: function () {
            this.locked = false;
            this.buttons()
        },
        size: function (a) {
            if (a != undefined) {
                this.options.size = a;
                this.locked || this.buttons()
            }
            return this.options.size
        },
        has: function (a, c) {
            if (c == undefined || !c) c = a;
            if (this.options.size !== null && c > this.options.size) c = this.options.size;
            for (var b = a; b <= c; b++) {
                var d = this.get(b);
                if (!d.length || d.hasClass("jcarousel-item-placeholder")) return false
            }
            return true
        },
        get: function (a) {
            return i(".jcarousel-item-" + a, this.list)
        },
        add: function (a, c) {
            var b = this.get(a),
                d = 0,
                e = i(c);
            if (b.length == 0) {
                var f;
                b = this.create(a);
                for (var g = h.intval(a); f = this.get(--g);) if (g <= 0 || f.length) {
                    g <= 0 ? this.list.prepend(b) : f.after(b);
                    break
                }
            } else d = this.dimension(b);
            if (e.get(0).nodeName.toUpperCase() == "LI") {
                b.replaceWith(e);
                b = e
            } else b.empty().append(c);
            this.format(b.removeClass(this.className("jcarousel-item-placeholder")), a);
            e = this.options.visible != null ? Math.ceil(this.clipping() / this.options.visible) : null;
            d = this.dimension(b, e) - d;
            a > 0 && a < this.first && this.list.css(this.lt, h.intval(this.list.css(this.lt)) - d + "px");
            this.list.css(this.wh, h.intval(this.list.css(this.wh)) + d + "px");
            return b
        },
        remove: function (a) {
            var c = this.get(a);
            if (!(!c.length || a >= this.first && a <= this.last)) {
                var b = this.dimension(c);
                a < this.first && this.list.css(this.lt, h.intval(this.list.css(this.lt)) + b + "px");
                c.remove();
                this.list.css(this.wh, h.intval(this.list.css(this.wh)) - b + "px")
            }
        },
        next: function () {
            this.stopAuto();
            this.tail != null && !this.inTail ? this.scrollTail(false) : 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)
        },
        prev: function () {
            this.stopAuto();
            this.tail != null && this.inTail ? this.scrollTail(true) : 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)
        },
        scrollTail: function (a) {
            if (!(this.locked || this.animating || !this.tail)) {
                var c = h.intval(this.list.css(this.lt));
                !a ? c -= this.tail : c += this.tail;
                this.inTail = !a;
                this.prevFirst = this.first;
                this.prevLast = this.last;
                this.animate(c)
            }
        },
        scroll: function (a, c) {
            this.locked || this.animating || this.animate(this.pos(a), c)
        },
        pos: function (a) {
            var c = h.intval(this.list.css(this.lt));
            if (this.locked || this.animating) return c;
            if (this.options.wrap != "circular") a = a < 1 ? 1 : this.options.size && a > this.options.size ? this.options.size : a;
            for (var b = this.first > a, d = this.options.wrap != "circular" && this.first <= 1 ? 1 : this.first, e = b ? this.get(d) : this.get(this.last), f = b ? d : d - 1, g = null, j = 0, l = false, k = 0; b ? --f >= a : ++f < a;) {
                g = this.get(f);
                l = !g.length;
                if (g.length == 0) {
                    g = this.create(f).addClass(this.className("jcarousel-item-placeholder"));
                    e[b ? "before" : "after"](g);
                    if (this.first != null && this.options.wrap == "circular" && this.options.size !== null && (f <= 0 || f > this.options.size)) {
                        e = this.get(this.index(f));
                        if (e.length) g = this.add(f, e.clone(true))
                    }
                }
                e = g;
                k = this.dimension(g);
                if (l) j += k;
                if (this.first != null && (this.options.wrap == "circular" || f >= 1 && (this.options.size == null || f <= this.options.size))) c = b ? c + k : c - k
            }
            d = this.clipping();
            var o = [],
                n = 0;
            f = a;
            var m = 0;
            for (e = this.get(a - 1); ++n;) {
                g = this.get(f);
                l = !g.length;
                if (g.length == 0) {
                    g = this.create(f).addClass(this.className("jcarousel-item-placeholder"));
                    e.length == 0 ? this.list.prepend(g) : e[b ? "before" : "after"](g);
                    if (this.first != null && this.options.wrap == "circular" && this.options.size !== null && (f <= 0 || f > this.options.size)) {
                        e = this.get(this.index(f));
                        if (e.length) g = this.add(f, e.clone(true))
                    }
                }
                e = g;
                k = this.dimension(g);
                if (k == 0) throw Error("jCarousel: No width/height set for items. This will cause an infinite loop. Aborting...");
                if (this.options.wrap != "circular" && this.options.size !== null && f > this.options.size) o.push(g);
                else if (l) j += k;
                m += k;
                if (m >= d) break;
                f++
            }
            for (g = 0; g < o.length; g++) o[g].remove();
            if (j > 0) {
                this.list.css(this.wh, this.dimension(this.list) + j + "px");
                if (b) {
                    c -= j;
                    this.list.css(this.lt, h.intval(this.list.css(this.lt)) - j + "px")
                }
            }
            j = a + n - 1;
            if (this.options.wrap != "circular" && this.options.size && j > this.options.size) j = this.options.size;
            if (f > j) {
                n = 0;
                f = j;
                for (m = 0; ++n;) {
                    g = this.get(f--);
                    if (!g.length) break;
                    m += this.dimension(g);
                    if (m >= d) break
                }
            }
            f = j - n + 1;
            if (this.options.wrap != "circular" && f < 1) f = 1;
            if (this.inTail && b) {
                c += this.tail;
                this.inTail = false
            }
            this.tail = null;
            if (this.options.wrap != "circular" && j == this.options.size && j - n + 1 >= 1) {
                b = h.margin(this.get(j), !this.options.vertical ? "marginRight" : "marginBottom");
                if (m - b > d) this.tail = m - d - b
            }
            for (; a-- > f;) c += this.dimension(this.get(a));
            this.prevFirst = this.first;
            this.prevLast = this.last;
            this.first = f;
            this.last = j;
            return c
        },
        animate: function (a, c) {
            if (!(this.locked || this.animating)) {
                this.animating = true;
                var b = this,
                    d = function () {
                        b.animating = false;
                        a == 0 && b.list.css(b.lt, 0);
                        if (b.options.wrap == "circular" || b.options.wrap == "both" || b.options.wrap == "last" || b.options.size == null || b.last < b.options.size) b.startAuto();
                        b.buttons();
                        b.notify("onAfterAnimation");
                        if (b.options.wrap == "circular" && b.options.size !== null) for (var e = b.prevFirst; e <= b.prevLast; e++) if (e !== null && !(e >= b.first && e <= b.last) && (e < 1 || e > b.options.size)) b.remove(e)
                    };
                this.notify("onBeforeAnimation");
                if (!this.options.animation || c == false) {
                    this.list.css(this.lt, a + "px");
                    d()
                } else this.list.animate(!this.options.vertical ? this.options.rtl ? {
                    right: a
                } : {
                    left: a
                } : {
                    top: a
                }, this.options.animation, this.options.easing, d)
            }
        },
        startAuto: function (a) {
            if (a != undefined) this.options.auto = a;
            if (this.options.auto == 0) return this.stopAuto();
            if (this.timer == null) {
                var c = this;
                this.timer = setTimeout(function () {
                    c.next()
                }, this.options.auto * 1E3)
            }
        },
        stopAuto: function () {
            if (this.timer != null) {
                clearTimeout(this.timer);
                this.timer = null
            }
        },
        buttons: function (a, c) {
            if (a == undefined || a == null) {
                a = !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) a = this.tail != null && !this.inTail
            }
            if (c == undefined || c == null) {
                c = !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) c = this.tail != null && this.inTail
            }
            var b = this;
            this.buttonNext[a ? "bind" : "unbind"](this.options.buttonNextEvent + ".jcarousel", this.funcNext)[a ? "removeClass" : "addClass"](this.className("jcarousel-next-disabled")).attr("disabled", a ? false : true);
            this.buttonPrev[c ? "bind" : "unbind"](this.options.buttonPrevEvent + ".jcarousel", this.funcPrev)[c ? "removeClass" : "addClass"](this.className("jcarousel-prev-disabled")).attr("disabled", c ? false : true);
            this.options.buttonNextCallback != null && this.buttonNext.data("jcarouselstate") != a && this.buttonNext.each(function () {
                b.options.buttonNextCallback(b, this, a)
            }).data("jcarouselstate", a);
            this.options.buttonPrevCallback != null && this.buttonPrev.data("jcarouselstate") != c && this.buttonPrev.each(function () {
                b.options.buttonPrevCallback(b, this, c)
            }).data("jcarouselstate", c)
        },
        notify: function (a) {
            var c = this.prevFirst == null ? "init" : this.prevFirst < this.first ? "next" : "prev";
            this.callback("itemLoadCallback", a, c);
            if (this.prevFirst !== this.first) {
                this.callback("itemFirstInCallback", a, c, this.first);
                this.callback("itemFirstOutCallback", a, c, this.prevFirst)
            }
            if (this.prevLast !== this.last) {
                this.callback("itemLastInCallback", a, c, this.last);
                this.callback("itemLastOutCallback", a, c, this.prevLast)
            }
            this.callback("itemVisibleInCallback", a, c, this.first, this.last, this.prevFirst, this.prevLast);
            this.callback("itemVisibleOutCallback", a, c, this.prevFirst, this.prevLast, this.first, this.last)
        },
        callback: function (a, c, b, d, e, f, g) {
            if (!(this.options[a] == undefined || typeof this.options[a] != "object" && c != "onAfterAnimation")) {
                var j = typeof this.options[a] == "object" ? this.options[a][c] : this.options[a];
                if (i.isFunction(j)) {
                    var l = this;
                    if (d === undefined) j(l, b, c);
                    else if (e === undefined) this.get(d).each(function () {
                        j(l, this, d, b, c)
                    });
                    else for (var k = d; k <= e; k++) k !== null && !(k >= f && k <= g) && this.get(k).each(function () {
                        j(l, this, k, b, c)
                    })
                }
            }
        },
        create: function (a) {
            return this.format("<li></li>", a)
        },
        format: function (a, c) {
            a = i(a);
            for (var b = a.get(0).className.split(" "), d = 0; d < b.length; d++) b[d].indexOf("jcarousel-") != -1 && a.removeClass(b[d]);
            a.addClass(this.className("jcarousel-item")).addClass(this.className("jcarousel-item-" + c)).css({
                "float": this.options.rtl ? "right" : "left",
                "list-style": "none"
            }).attr("jcarouselindex", c);
            return a
        },
        className: function (a) {
            return a + " " + a + (!this.options.vertical ? "-horizontal" : "-vertical")
        },
        dimension: function (a, c) {
            var b = a.jquery != undefined ? a[0] : a,
                d = !this.options.vertical ? (b.offsetWidth || h.intval(this.options.itemFallbackDimension)) + h.margin(b, "marginLeft") + h.margin(b, "marginRight") : (b.offsetHeight || h.intval(this.options.itemFallbackDimension)) + h.margin(b, "marginTop") + h.margin(b, "marginBottom");
            if (c == undefined || d == c) return d;
            d = !this.options.vertical ? c - h.margin(b, "marginLeft") - h.margin(b, "marginRight") : c - h.margin(b, "marginTop") - h.margin(b, "marginBottom");
            i(b).css(this.wh, d + "px");
            return this.dimension(b)
        },
        clipping: function () {
            return !this.options.vertical ? this.clip[0].offsetWidth - h.intval(this.clip.css("borderLeftWidth")) - h.intval(this.clip.css("borderRightWidth")) : this.clip[0].offsetHeight - h.intval(this.clip.css("borderTopWidth")) - h.intval(this.clip.css("borderBottomWidth"))
        },
        index: function (a, c) {
            if (c == undefined) c = this.options.size;
            return Math.round(((a - 1) / c - Math.floor((a - 1) / c)) * c) + 1
        }
    });
    h.extend({
        defaults: function (a) {
            return i.extend(p, a || {})
        },
        margin: function (a, c) {
            if (!a) return 0;
            var b = a.jquery != undefined ? a[0] : a;
            if (c == "marginRight" && i.browser.safari) {
                var d = {
                    display: "block",
                    "float": "none",
                    width: "auto"
                },
                    e, f;
                i.swap(b, d, function () {
                    e = b.offsetWidth
                });
                d.marginRight = 0;
                i.swap(b, d, function () {
                    f = b.offsetWidth
                });
                return f - e
            }
            return h.intval(i.css(b, c))
        },
        intval: function (a) {
            a = parseInt(a);
            return isNaN(a) ? 0 : a
        }
    })
})(jQuery);