/* InstantClick 3.1.0 | (C) 2014 Alexandre Dieulot | http://instantclick.io/license */
var InstantClick = function (d, e) {
    function w(a) {
        var b = a.indexOf("#");
        return 0 > b ? a : a.substr(0, b)
    }

    function z(a) {
        for (; a && "A" != a.nodeName;) a = a.parentNode;
        return a
    }

    function A(a) {
        var b = e.protocol + "//" + e.host;
        if (!(b = a.target || a.hasAttribute("download") || 0 != a.href.indexOf(b + "/") || -1 < a.href.indexOf("#") && w(a.href) == k)) {
            if (J) {
                a: {
                    do {
                        if (!a.hasAttribute) break;
                        if (a.hasAttribute("data-no-instant")) break;
                        if (a.hasAttribute("data-instant")) {
                            a = !0;
                            break a
                        }
                    } while (a = a.parentNode);a = !1
                }
                a = !a
            }
            else a: {
                do {
                    if (!a.hasAttribute) break;
                    if (a.hasAttribute("data-instant")) break;
                    if (a.hasAttribute("data-no-instant")) {
                        a = !0;
                        break a
                    }
                } while (a = a.parentNode);a = !1
            }
            b = a
        }
        return b ? !1 : !0
    }

    function t(a, b, c, g) {
        for (var d = !1, e = 0; e < B[a].length; e++)
            if ("receive" == a) {
                var f = B[a][e](b, c, g);
                f && ("body" in f && (c = f.body), "title" in f && (g = f.title), d = f)
            } else B[a][e](b, c, g);
        return d
    }

    function K(a, b, c, g) {
        d.documentElement.replaceChild(b, d.body);
        if (c) {
            history.pushState(null, null, c);
            b = c.indexOf("#");
            b = -1 < b && d.getElementById(c.substr(b + 1));
            g = 0;
            if (b)
                for (; b.offsetParent;) g +=
                    b.offsetTop, b = b.offsetParent;
            scrollTo(0, g);
            k = w(c)
        } else scrollTo(0, g);
        d.title = S && d.title == a ? a + String.fromCharCode(160) : a;
        L();
        C.done();
        t("change", !1);
        a = d.createEvent("HTMLEvents");
        a.initEvent("instantclick:newpage", !0, !0);
        dispatchEvent(a)
    }

    function M(a) {
        G > +new Date - 500 || (a = z(a.target)) && A(a) && x(a.href)
    }

    function N(a) {
        G > +new Date - 500 || (a = z(a.target)) && A(a) && (a.addEventListener("mouseout", T), H ? (O = a.href, l = setTimeout(x, H)) : x(a.href))
    }

    function U(a) {
        G = +new Date;
        (a = z(a.target)) && A(a) && (D ? a.removeEventListener("mousedown",
            M) : a.removeEventListener("mouseover", N), x(a.href))
    }

    function V(a) {
        var b = z(a.target);
        !b || !A(b) || 1 < a.which || a.metaKey || a.ctrlKey || (a.preventDefault(), P(b.href))
    }

    function T() {
        l ? (clearTimeout(l), l = !1) : v && !m && (p.abort(), m = v = !1)
    }

    function W() {
        if (!(4 > p.readyState) && 0 != p.status) {
            q.ready = +new Date - q.start;
            if (p.getResponseHeader("Content-Type").match(/\/(x|ht|xht)ml/)) {
                var a = d.implementation.createHTMLDocument("");
                a.documentElement.innerHTML = p.responseText.replace(/<noscript[\s\S]+<\/noscript>/gi, "");
                y = a.title;
                u = a.body;
                var b = t("receive", r, u, y);
                b && ("body" in b && (u = b.body), "title" in b && (y = b.title));
                b = w(r);
                h[b] = {
                    body: u,
                    title: y,
                    scrollY: b in h ? h[b].scrollY : 0
                };
                for (var a = a.head.children, b = 0, c, g = a.length - 1; 0 <= g; g--)
                    if (c = a[g], c.hasAttribute("data-instant-track")) {
                        c = c.getAttribute("href") || c.getAttribute("src") || c.innerHTML;
                        for (var e = E.length - 1; 0 <= e; e--) E[e] == c && b++
                    } b != E.length && (F = !0)
            } else F = !0;
            m && (m = !1, P(r))
        }
    }

    function L(a) {
        d.body.addEventListener("touchstart", U, !0);
        D ? d.body.addEventListener("mousedown", M, !0) : d.body.addEventListener("mouseover",
            N, !0);
        d.body.addEventListener("click", V, !0);
        if (!a) {
            a = d.body.getElementsByTagName("script");
            var b, c, g, e;
            i = 0;
            for (j = a.length; i < j; i++) b = a[i], b.hasAttribute("data-no-instant") || (c = d.createElement("script"), b.src && (c.src = b.src), b.innerHTML && (c.innerHTML = b.innerHTML), g = b.parentNode, e = b.nextSibling, g.removeChild(b), g.insertBefore(c, e))
        }
    }

    function x(a) {
        !D && "display" in q && 100 > +new Date - (q.start + q.display) || (l && (clearTimeout(l), l = !1), a || (a = O), v && (a == r || m)) || (v = !0, m = !1, r = a, F = u = !1, q = {
                start: +new Date
            }, t("fetch"),
            p.open("GET", a), p.send())
    }

    function P(a) {
        "display" in q || (q.display = +new Date - q.start);
        l || !v ? l && r && r != a ? e.href = a : (x(a), C.start(0, !0), t("wait"), m = !0) : m ? e.href = a : F ? e.href = r : u ? (h[k].scrollY = pageYOffset, m = v = !1, K(y, u, r)) : (C.start(0, !0), t("wait"), m = !0)
    }
    var I = navigator.userAgent,
        S = -1 < I.indexOf(" CriOS/"),
        Q = "createTouch" in d,
        k, O, l, G, h = {},
        p, r = !1,
        y = !1,
        F = !1,
        u = !1,
        q = {},
        v = !1,
        m = !1,
        E = [],
        J, D, H, B = {
            fetch: [],
            receive: [],
            wait: [],
            change: []
        },
        C = function () {
            function a(a, e) {
                n = a;
                d.getElementById(f.id) && d.body.removeChild(f);
                f.style.opacity =
                    "1";
                d.getElementById(f.id) && d.body.removeChild(f);
                g();
                e && setTimeout(b, 0);
                clearTimeout(l);
                l = setTimeout(c, 500)
            }

            function b() {
                n = 10;
                g()
            }

            function c() {
                n += 1 + 2 * Math.random();
                98 <= n ? n = 98 : l = setTimeout(c, 500);
                g()
            }

            function g() {
                h.style[k] = "translate(" + n + "%)";
                d.getElementById(f.id) || d.body.appendChild(f)
            }

            function e() {
                d.getElementById(f.id) ? (clearTimeout(l), n = 100, g(), f.style.opacity = "0") : (a(100 == n ? 0 : n), setTimeout(e, 0))
            }

            function m() {
                f.style.left = pageXOffset + "px";
                f.style.width = innerWidth + "px";
                f.style.top = pageYOffset +
                    "px";
                var a = "orientation" in window && 90 == Math.abs(orientation);
                f.style[k] = "scaleY(" + innerWidth / screen[a ? "height" : "width"] * 2 + ")"
            }
            var f, h, k, n, l;
            return {
                init: function () {
                    f = d.createElement("div");
                    f.id = "instantclick";
                    h = d.createElement("div");
                    h.id = "instantclick-bar";
                    h.className = "instantclick-bar";
                    f.appendChild(h);
                    var a = ["Webkit", "Moz", "O"];
                    k = "transform";
                    if (!(k in h.style))
                        for (var b = 0; 3 > b; b++) a[b] + "Transform" in h.style && (k = a[b] + "Transform");
                    var c = "transition";
                    if (!(c in h.style))
                        for (b = 0; 3 > b; b++) a[b] + "Transition" in
                            h.style && (c = "-" + a[b].toLowerCase() + "-" + c);
                    a = d.createElement("style");
                    a.innerHTML = "#instantclick{position:" + (Q ? "absolute" : "fixed") + ";top:0;left:0;width:100%;pointer-events:none;z-index:2147483647;" + c + ":opacity .25s .1s}.instantclick-bar{background:#29d;width:100%;margin-left:-100%;height:2px;" + c + ":all .25s}";
                    d.head.appendChild(a);
                    Q && (m(), addEventListener("resize", m), addEventListener("scroll", m))
                },
                start: a,
                done: e
            }
        }(),
        R = "pushState" in history && (!I.match("Android") || I.match("Chrome/")) && "file:" != e.protocol;
    return {
        supported: R,
        init: function () {
            if (!k)
                if (R) {
                    for (var a = arguments.length - 1; 0 <= a; a--) {
                        var b = arguments[a];
                        !0 === b ? J = !0 : "mousedown" == b ? D = !0 : "number" == typeof b && (H = b)
                    }
                    k = w(e.href);
                    h[k] = {
                        body: d.body,
                        title: d.title,
                        scrollY: pageYOffset
                    };
                    for (var b = d.head.children, c, a = b.length - 1; 0 <= a; a--) c = b[a], c.hasAttribute("data-instant-track") && (c = c.getAttribute("href") || c.getAttribute("src") || c.innerHTML, E.push(c));
                    p = new XMLHttpRequest;
                    p.addEventListener("readystatechange", W);
                    L(!0);
                    C.init();
                    t("change", !0);
                    addEventListener("popstate",
                        function () {
                            var a = w(e.href);
                            a != k && (a in h ? (h[k].scrollY = pageYOffset, k = a, K(h[a].title, h[a].body, !1, h[a].scrollY)) : e.href = e.href)
                        })
                } else t("change", !0)
        },
        on: function (a, b) {
            B[a].push(b)
        }
    }
}(document, location);