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! function() {
    function o() {
        b.keyboardSupport && H("keydown", w)
    }

    function p() {
        if (!f && document.body) {
            f = !0;
            var a = document.body,
                e = document.documentElement,
                k = window.innerHeight,
                l = a.scrollHeight;
            if (g = document.compatMode.indexOf("CSS") >= 0 ? e : a, h = a, o(), top != self) d = !0;
            else if (l > k && (a.offsetHeight <= k || e.offsetHeight <= k)) {
                var m = document.createElement("div");
                m.style.cssText = "position:absolute; z-index:-10000; top:0; left:0; right:0; height:" + g.scrollHeight + "px", document.body.appendChild(m);
                var n;
                j = function() {
                    n || (n = setTimeout(function() {
                        c || (m.style.height = "0", m.style.height = g.scrollHeight + "px", n = null)
                    }, 500))
                }, setTimeout(j, 10), H("resize", j);
                var p = {
                    attributes: !0,
                    childList: !0,
                    characterData: !1
                };
                if (i = new R(j), i.observe(a, p), g.offsetHeight <= k) {
                    var q = document.createElement("div");
                    q.style.clear = "both", a.appendChild(q)
                }
            }
            b.fixedBackground || c || (a.style.backgroundAttachment = "scroll", e.style.backgroundAttachment = "scroll")
        }
    }

    function q() {
        i && i.disconnect(), I(Y, v), I("mousedown", x), I("keydown", w), I("resize", j), I("load", p)
    }

    function u(a, c, d) {
        if (K(c, d), 1 != b.accelerationMax) {
            var e = Date.now(),
                f = e - t;
            if (f < b.accelerationDelta) {
                var g = (1 + 50 / f) / 2;
                g > 1 && (g = Math.min(g, b.accelerationMax), c *= g, d *= g)
            }
            t = Date.now()
        }
        if (r.push({
                x: c,
                y: d,
                lastX: 0 > c ? .99 : -.99,
                lastY: 0 > d ? .99 : -.99,
                start: Date.now()
            }), !s) {
            var h = a === document.body,
                i = function(e) {
                    for (var f = Date.now(), g = 0, j = 0, k = 0; k < r.length; k++) {
                        var l = r[k],
                            m = f - l.start,
                            n = m >= b.animationTime,
                            o = n ? 1 : m / b.animationTime;
                        b.pulseAlgorithm && (o = U(o));
                        var p = l.x * o - l.lastX >> 0,
                            q = l.y * o - l.lastY >> 0;
                        g += p, j += q, l.lastX += p, l.lastY += q, n && (r.splice(k, 1), k--)
                    }
                    h ? window.scrollBy(g, j) : (g && (a.scrollLeft += g), j && (a.scrollTop += j)), c || d || (r = []), r.length ? Q(i, a, 1e3 / b.frameRate + 1) : s = !1
                };
            Q(i, a, 0), s = !0
        }
    }

    function v(a) {
        f || p();
        var c = a.target,
            d = D(c);
        if (!d || a.defaultPrevented || a.ctrlKey) return !0;
        if (J(h, "embed") || J(c, "embed") && /\.pdf/i.test(c.src) || J(h, "object") || c.shadowRoot) return !0;
        var e = -a.wheelDeltaX || a.deltaX || 0,
            g = -a.wheelDeltaY || a.deltaY || 0;
        return l && (a.wheelDeltaX && N(a.wheelDeltaX, 120) && (e = -120 * (a.wheelDeltaX / Math.abs(a.wheelDeltaX))), a.wheelDeltaY && N(a.wheelDeltaY, 120) && (g = -120 * (a.wheelDeltaY / Math.abs(a.wheelDeltaY)))), e || g || (g = -a.wheelDelta || 0), 1 === a.deltaMode && (e *= 40, g *= 40), !b.touchpadSupport && M(g) ? !0 : (Math.abs(e) > 1.2 && (e *= b.stepSize / 120), Math.abs(g) > 1.2 && (g *= b.stepSize / 120), u(d, e, g), a.preventDefault(), void B())
    }

    function w(a) {
        var c = a.target,
            d = a.ctrlKey || a.altKey || a.metaKey || a.shiftKey && a.keyCode !== m.spacebar;
        document.body.contains(h) || (h = document.activeElement);
        var e = /^(textarea|select|embed|object)$/i,
            f = /^(button|submit|radio|checkbox|file|color|image)$/i;
        if (a.defaultPrevented || e.test(c.nodeName) || J(c, "input") && !f.test(c.type) || J(h, "video") || P(a) || c.isContentEditable || d) return !0;
        if ((J(c, "button") || J(c, "input") && f.test(c.type)) && a.keyCode === m.spacebar) return !0;
        if (J(c, "input") && "radio" == c.type && n[a.keyCode]) return !0;
        var g, i = 0,
            j = 0,
            k = D(h),
            l = k.clientHeight;
        switch (k == document.body && (l = window.innerHeight), a.keyCode) {
            case m.up:
                j = -b.arrowScroll;
                break;
            case m.down:
                j = b.arrowScroll;
                break;
            case m.spacebar:
                g = a.shiftKey ? 1 : -1, j = -g * l * .9;
                break;
            case m.pageup:
                j = .9 * -l;
                break;
            case m.pagedown:
                j = .9 * l;
                break;
            case m.home:
                j = -k.scrollTop;
                break;
            case m.end:
                var o = k.scrollHeight - k.scrollTop - l;
                j = o > 0 ? o + 10 : 0;
                break;
            case m.left:
                i = -b.arrowScroll;
                break;
            case m.right:
                i = b.arrowScroll;
                break;
            default:
                return !0
        }
        u(k, i, j), a.preventDefault(), B()
    }

    function x(a) {
        h = a.target
    }

    function B() {
        clearTimeout(A), A = setInterval(function() {
            z = {}
        }, 1e3)
    }

    function C(a, b) {
        for (var c = a.length; c--;) z[y(a[c])] = b;
        return b
    }

    function D(a) {
        var b = [],
            c = document.body,
            e = g.scrollHeight;
        do {
            var f = z[y(a)];
            if (f) return C(b, f);
            if (b.push(a), e === a.scrollHeight) {
                var h = F(g) && F(c),
                    i = h || G(g);
                if (d && E(g) || !d && i) return C(b, S())
            } else if (E(a) && G(a)) return C(b, a)
        } while (a = a.parentElement)
    }

    function E(a) {
        return a.clientHeight + 10 < a.scrollHeight
    }

    function F(a) {
        var b = getComputedStyle(a, "").getPropertyValue("overflow-y");
        return "hidden" !== b
    }

    function G(a) {
        var b = getComputedStyle(a, "").getPropertyValue("overflow-y");
        return "scroll" === b || "auto" === b
    }

    function H(a, b) {
        window.addEventListener(a, b, !1)
    }

    function I(a, b) {
        window.removeEventListener(a, b, !1)
    }

    function J(a, b) {
        return (a.nodeName || "").toLowerCase() === b.toLowerCase()
    }

    function K(a, b) {
        a = a > 0 ? 1 : -1, b = b > 0 ? 1 : -1, (e.x !== a || e.y !== b) && (e.x = a, e.y = b, r = [], t = 0)
    }

    function M(a) {
        return a ? (k.length || (k = [a, a, a]), a = Math.abs(a), k.push(a), k.shift(), clearTimeout(L), L = setTimeout(function() {
            window.localStorage && (localStorage.SS_deltaBuffer = k.join(","))
        }, 1e3), !O(120) && !O(100)) : void 0
    }

    function N(a, b) {
        return Math.floor(a / b) == a / b
    }

    function O(a) {
        return N(k[0], a) && N(k[1], a) && N(k[2], a)
    }

    function P(a) {
        var b = a.target,
            c = !1;
        if (-1 != document.URL.indexOf("www.youtube.com/watch"))
            do
                if (c = b.classList && b.classList.contains("html5-video-controls")) break;
        while (b = b.parentNode);
        return c
    }

    function T(a) {
        var c, d, e;
        return a *= b.pulseScale, 1 > a ? c = a - (1 - Math.exp(-a)) : (d = Math.exp(-1), a -= 1, e = 1 - Math.exp(-a), c = d + e * (1 - d)), c * b.pulseNormalize
    }

    function U(a) {
        return a >= 1 ? 1 : 0 >= a ? 0 : (1 == b.pulseNormalize && (b.pulseNormalize /= T(1)), T(a))
    }

    function Z(c) {
        for (var d in c) a.hasOwnProperty(d) && (b[d] = c[d])
    }
    var h, i, j, A, L, a = {
            frameRate: 150,
            animationTime: php_vars.speed,
            stepSize: php_vars.step,
            pulseAlgorithm: !0,
            pulseScale: 4,
            pulseNormalize: 1,
            accelerationDelta: 50,
            accelerationMax: 3,
            keyboardSupport: !0,
            arrowScroll: 50,
            touchpadSupport: !1,
            fixedBackground: !0,
            excluded: ""
        },
        b = a,
        c = !1,
        d = !1,
        e = {
            x: 0,
            y: 0
        },
        f = !1,
        g = document.documentElement,
        k = [],
        l = /^Mac/.test(navigator.platform),
        m = {
            left: 37,
            up: 38,
            right: 39,
            down: 40,
            spacebar: 32,
            pageup: 33,
            pagedown: 34,
            end: 35,
            home: 36
        },
        n = {
            37: 1,
            38: 1,
            39: 1,
            40: 1
        },
        r = [],
        s = !1,
        t = Date.now(),
        y = function() {
            var a = 0;
            return function(b) {
                return b.uniqueID || (b.uniqueID = a++)
            }
        }(),
        z = {};
    window.localStorage && localStorage.SS_deltaBuffer && (k = localStorage.SS_deltaBuffer.split(","));
    var Y, Q = function() {
            return window.requestAnimationFrame || window.webkitRequestAnimationFrame || window.mozRequestAnimationFrame || function(a, b, c) {
                window.setTimeout(a, c || 1e3 / 60)
            }
        }(),
        R = window.MutationObserver || window.WebKitMutationObserver || window.MozMutationObserver,
        S = function() {
            var a;
            return function() {
                if (!a) {
                    var b = document.createElement("div");
                    b.style.cssText = "height:10000px;width:1px;", document.body.appendChild(b);
                    var c = document.body.scrollTop;
                    document.documentElement.scrollTop;
                    window.scrollBy(0, 3), a = document.body.scrollTop != c ? document.body : document.documentElement, window.scrollBy(0, -3), document.body.removeChild(b)
                }
                return a
            }
        }(),
        V = window.navigator.userAgent,
        W = /mobile/i.test(V),
        X = !W;
    "onwheel" in document.createElement("div") ? Y = "wheel" : "onmousewheel" in document.createElement("div") && (Y = "mousewheel"), Y && X && (H(Y, v), H("mousedown", x), H("load", p)), Z.destroy = q, window.SmoothScrollOptions && Z(window.SmoothScrollOptions), "function" == typeof define && define.amd ? define(function() {
        return Z
    }) : "object" == typeof exports ? module.exports = Z : window.SmoothScroll = Z
}();