/*!
 * Smooth Scroll - v1.4.13 - 2013-11-02
 * https://github.com/kswedberg/jquery-smooth-scroll
 * Copyright (c) 2013 Karl Swedberg
 * Licensed MIT (https://github.com/kswedberg/jquery-smooth-scroll/blob/master/LICENSE-MIT)
 */
(function (t) {
    function e(t) {
        return t.replace(/(:|\.)/g, "\\$1")
    }

    var l = "1.4.13", o = {}, s = {
        exclude: [],
        excludeWithin: [],
        offset: 0,
        direction: "top",
        scrollElement: null,
        scrollTarget: null,
        beforeScroll: function () {
        },
        afterScroll: function () {
        },
        easing: "swing",
        speed: 400,
        autoCoefficent: 2,
        preventDefault: !0
    }, n = function (e) {
        var l = [], o = !1, s = e.dir && "left" == e.dir ? "scrollLeft" : "scrollTop";
        return this.each(function () {
            if (this != document && this != window) {
                var e = t(this);
                e[s]() > 0 ? l.push(this) : (e[s](1), o = e[s]() > 0, o && l.push(this), e[s](0))
            }
        }), l.length || this.each(function () {
            "BODY" === this.nodeName && (l = [this])
        }), "first" === e.el && l.length > 1 && (l = [l[0]]), l
    };
    t.fn.extend({
        scrollable: function (t) {
            var e = n.call(this, {dir: t});
            return this.pushStack(e)
        }, firstScrollable: function (t) {
            var e = n.call(this, {el: "first", dir: t});
            return this.pushStack(e)
        }, smoothScroll: function (l, o) {
            if (l = l || {}, "options" === l) return o ? this.each(function () {
                var e = t(this), l = t.extend(e.data("ssOpts") || {}, o);
                t(this).data("ssOpts", l)
            }) : this.first().data("ssOpts");
            var s = t.extend({}, t.fn.smoothScroll.defaults, l), n = t.smoothScroll.filterPath(location.pathname);
            return this.unbind("click.smoothscroll").bind("click.smoothscroll", function (l) {
                var o = this, r = t(this), i = t.extend({}, s, r.data("ssOpts") || {}), c = s.exclude,
                    a = i.excludeWithin, f = 0, h = 0, u = !0, d = {},
                    p = location.hostname === o.hostname || !o.hostname,
                    m = i.scrollTarget || (t.smoothScroll.filterPath(o.pathname) || n) === n, S = e(o.hash);
                if (i.scrollTarget || p && m && S) {
                    for (; u && c.length > f;) r.is(c[f++]) && (u = !1);
                    for (; u && a.length > h;) r.closest(a[h++]).length && (u = !1)
                } else u = !1;
                u && (i.preventDefault && l.preventDefault(), t.extend(d, i, {
                    scrollTarget: i.scrollTarget || S,
                    link: o
                }), t.smoothScroll(d))
            }), this
        }
    }), t.smoothScroll = function (e, l) {
        if ("options" === e && "object" == typeof l) return t.extend(o, l);
        var s, n, r, i, c = 0, a = "offset", f = "scrollTop", h = {}, u = {};
        "number" == typeof e ? (s = t.extend({link: null}, t.fn.smoothScroll.defaults, o), r = e) : (s = t.extend({link: null}, t.fn.smoothScroll.defaults, e || {}, o), s.scrollElement && (a = "position", "static" == s.scrollElement.css("position") && s.scrollElement.css("position", "relative"))), f = "left" == s.direction ? "scrollLeft" : f, s.scrollElement ? (n = s.scrollElement, /^(?:HTML|BODY)$/.test(n[0].nodeName) || (c = n[f]())) : n = t("html, body").firstScrollable(s.direction), s.beforeScroll.call(n, s), r = "number" == typeof e ? e : l || t(s.scrollTarget)[a]() && t(s.scrollTarget)[a]()[s.direction] || 0, h[f] = r + c + s.offset, i = s.speed, "auto" === i && (i = h[f] || n.scrollTop(), i /= s.autoCoefficent), u = {
            duration: i,
            easing: s.easing,
            complete: function () {
                s.afterScroll.call(s.link, s)
            }
        }, s.step && (u.step = s.step), n.length ? n.stop().animate(h, u) : s.afterScroll.call(s.link, s)
    }, t.smoothScroll.version = l, t.smoothScroll.filterPath = function (t) {
        return t.replace(/^\//, "").replace(/(?:index|default).[a-zA-Z]{3,4}$/, "").replace(/\/$/, "")
    }, t.fn.smoothScroll.defaults = s
})(jQuery);