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

    function p() {
        if (!f && document.body) {
            f = !0;
            var a = document.body,
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                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 = {
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        i && i.disconnect(), I(Y, v), I("mousedown", x), I("keydown", w), I("resize", j), I("load", p)
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            t = Date.now()
        }
        if (r.push({
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                y: d,
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                lastY: 0 > d ? .99 : -.99,
                start: Date.now()
            }), !s) {
            var h = a === document.body,
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                };
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    }

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                break;
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                break;
            case m.pageup:
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                break;
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                break;
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                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
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    function G(a) {
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        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) {
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    function K(a, b) {
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    }

    function M(a) {
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            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) {
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    }

    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) {
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            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
}();