/*! skrollr 0.6.26 (2014-06-08) | Alexander Prinzhorn - https://github.com/Prinzhorn/skrollr | Free to use under terms of MIT license */
(function(e, t, r) {
    "use strict";
    function n(r) {
        if (o = t.documentElement, a = t.body, K(), it = this, r = r || {}, ut = r.constants || {}, r.easing)
            for (var n in r.easing)
                U[n] = r.easing[n];
        yt = r.edgeStrategy || "set", ct = {
            beforerender: r.beforerender,
            render: r.render,
            keyframe: r.keyframe
        }, ft = r.forceHeight!==!1, ft && (Vt = r.scale || 1), mt = r.mobileDeceleration || x, dt = r.smoothScrolling!==!1, gt = r.smoothScrollingDuration || E, vt = {
            targetTop: it.getScrollTop()
        }, Gt = (r.mobileCheck || function() {
            return /Android|iPhone|iPad|iPod|BlackBerry/i.test(navigator.userAgent || navigator.vendor || e.opera)
        })(), Gt ? (st = t.getElementById("skrollr-body"), st && at(), X(), Dt(o, [y, S], [T])) : Dt(o, [y, b], [T]), it.refresh(), St(e, "resize orientationchange", function() {
            var e = o.clientWidth, t = o.clientHeight;
            (t !== $t || e !== Mt) && ($t = t, Mt = e, _t=!0)
        });
        var i = Y();
        return function l() {
            Z(), bt = i(l)
        }(), it
    }
    var o, a, i = {
        get: function() {
            return it
        },
        init: function(e) {
            return it || new n(e)
        },
        VERSION: "0.6.26"
    }, l = Object.prototype.hasOwnProperty, s = e.Math, c = e.getComputedStyle, f = "touchstart", u = "touchmove", m = "touchcancel", p = "touchend", d = "skrollable", g = d + "-before", v = d + "-between", h = d + "-after", y = "skrollr", T = "no-" + y, b = y + "-desktop", S = y + "-mobile", k = "linear", w = 1e3, x = .004, E = 200, A = "start", F = "end", C = "center", D = "bottom", H = "___skrollable_id", I = /^(?:input|textarea|button|select)$/i, P = /^\s+|\s+$/g, N = /^data(?:-(_\w+))?(?:-?(-?\d*\.?\d+p?))?(?:-?(start|end|top|center|bottom))?(?:-?(top|center|bottom))?$/, O = /\s*(@?[\w\-\[\]]+)\s*:\s*(.+?)\s*(?:;|$)/gi, V = /^(@?[a-z\-]+)\[(\w+)\]$/, z = /-([a-z0-9_])/g, q = function(e, t) {
        return t.toUpperCase()
    }, L = /[\-+]?[\d]*\.?[\d]+/g, M = /\{\?\}/g, $ = /rgba?\(\s*-?\d+\s*,\s*-?\d+\s*,\s*-?\d+/g, _ = /[a-z\-]+-gradient/g, B = "", G = "", K = function() {
        var e = /^(?:O|Moz|webkit|ms)|(?:-(?:o|moz|webkit|ms)-)/;
        if (c) {
            var t = c(a, null);
            for (var n in t)
                if (B = n.match(e)||+n == n && t[n].match(e))
                    break;
            if (!B)
                return B = G = "", r;
            B = B[0], "-" === B.slice(0, 1) ? (G = B, B = {
                "-webkit-": "webkit",
                "-moz-": "Moz",
                "-ms-": "ms",
                "-o-": "O"
            }
            [B]) : G = "-" + B.toLowerCase() + "-"
        }
    }, Y = function() {
        var t = e.requestAnimationFrame || e[B.toLowerCase() + "RequestAnimationFrame"], r = Pt();
        return (Gt ||!t) && (t = function(t) {
            var n = Pt() - r, o = s.max(0, 1e3 / 60 - n);
            return e.setTimeout(function() {
                r = Pt(), t()
            }, o)
        }), t
    }, R = function() {
        var t = e.cancelAnimationFrame || e[B.toLowerCase() + "CancelAnimationFrame"];
        return (Gt ||!t) && (t = function(t) {
            return e.clearTimeout(t)
        }), t
    }, U = {
        begin: function() {
            return 0
        },
        end: function() {
            return 1
        },
        linear: function(e) {
            return e
        },
        quadratic: function(e) {
            return e * e
        },
        cubic: function(e) {
            return e * e * e
        },
        swing: function(e) {
            return - s.cos(e * s.PI) / 2 + .5
        },
        sqrt: function(e) {
            return s.sqrt(e)
        },
        outCubic: function(e) {
            return s.pow(e - 1, 3) + 1
        },
        bounce: function(e) {
            var t;
            if (.5083 >= e)
                t = 3;
            else if (.8489 >= e)
                t = 9;
            else if (.96208 >= e)
                t = 27;
            else {
                if (!(.99981 >= e))
                    return 1;
                t = 91
            }
            return 1 - s.abs(3 * s.cos(1.028 * e * t) / t)
        }
    };
    n.prototype.refresh = function(e) {
        var n, o, a=!1;
        for (e === r ? (a=!0, lt = [], Bt = 0, e = t.getElementsByTagName("*")) : e.length === r && (e = [e]), n = 0, o = e.length; o > n; n++) {
            var i = e[n], l = i, s = [], c = dt, f = yt, u=!1;
            if (a && H in i && delete i[H], i.attributes) {
                for (var m = 0, p = i.attributes.length; p > m; m++) {
                    var g = i.attributes[m];
                    if ("data-anchor-target" !== g.name)
                        if ("data-smooth-scrolling" !== g.name)
                            if ("data-edge-strategy" !== g.name)
                                if ("data-emit-events" !== g.name) {
                                    var v = g.name.match(N);
                                    if (null !== v) {
                                        var h = {
                                            props: g.value,
                                            element: i,
                                            eventType: g.name.replace(z, q)
                                        };
                                        s.push(h);
                                        var y = v[1];
                                        y && (h.constant = y.substr(1));
                                        var T = v[2];
                                        /p$/.test(T) ? (h.isPercentage=!0, h.offset = (0 | T.slice(0, - 1)) / 100) : h.offset = 0 | T;
                                        var b = v[3], S = v[4] || b;
                                        b && b !== A && b !== F ? (h.mode = "relative", h.anchors = [b, S]) : (h.mode = "absolute", b === F ? h.isEnd=!0 : h.isPercentage || (h.offset = h.offset * Vt))
                                    }
                                } else 
                                    u=!0;
                            else 
                                f = g.value;
                    else 
                        c = "off" !== g.value;
                    else if (l = t.querySelector(g.value), null === l)
                        throw 'Unable to find anchor target "' + g.value + '"'
                        }
            if (s.length) {
                var k, w, x;
                !a && H in i ? (x = i[H], k = lt[x].styleAttr, w = lt[x].classAttr) : (x = i[H] = Bt++, k = i.style.cssText, w = Ct(i)), lt[x] = {
                    element: i,
                    styleAttr: k,
                    classAttr: w,
                    anchorTarget: l,
                    keyFrames: s,
                    smoothScrolling: c,
                    edgeStrategy: f,
                    emitEvents: u,
                    lastFrameIndex: - 1
                }, Dt(i, [d], [])
            }
        }
    }
    for (Et(), n = 0, o = e.length; o > n; n++) {
        var E = lt[e[n][H]];
        E !== r && (J(E), et(E))
    }
    return it
}, n.prototype.relativeToAbsolute = function(e, t, r) {
    var n = o.clientHeight, a = e.getBoundingClientRect(), i = a.top, l = a.bottom - a.top;
    return t === D ? i -= n : t === C && (i -= n / 2), r === D ? i += l : r === C && (i += l / 2), i += it.getScrollTop(), 0 | i + .5
}, n.prototype.animateTo = function(e, t) {
    t = t || {};
    var n = Pt(), o = it.getScrollTop();
    return pt = {
        startTop: o,
        topDiff: e - o,
        targetTop: e,
        duration: t.duration || w,
        startTime: n,
        endTime: n + (t.duration || w),
        easing: U[t.easing || k],
        done: t.done
    }, pt.topDiff || (pt.done && pt.done.call(it, !1), pt = r), it
}, n.prototype.stopAnimateTo = function() {
    pt && pt.done && pt.done.call(it, !0), pt = r
}, n.prototype.isAnimatingTo = function() {
    return !!pt
}, n.prototype.isMobile = function() {
    return Gt
}, n.prototype.setScrollTop = function(t, r) {
    return ht = r===!0, Gt ? Kt = s.min(s.max(t, 0), Ot) : e.scrollTo(0, t), it
}, n.prototype.getScrollTop = function() {
    return Gt ? Kt : e.pageYOffset || o.scrollTop || a.scrollTop || 0
}, n.prototype.getMaxScrollTop = function() {
    return Ot
}, n.prototype.on = function(e, t) {
    return ct[e] = t, it
}, n.prototype.off = function(e) {
    return delete ct[e], it
}, n.prototype.destroy = function() {
    var e = R();
    e(bt), wt(), Dt(o, [T], [y, b, S]);
    for (var t = 0, n = lt.length; n > t; t++)
        ot(lt[t].element);
    o.style.overflow = a.style.overflow = "", o.style.height = a.style.height = "", st && i.setStyle(st, "transform", "none"), it = r, st = r, ct = r, ft = r, Ot = 0, Vt = 1, ut = r, mt = r, zt = "down", qt =- 1, Mt = 0, $t = 0, _t=!1, pt = r, dt = r, gt = r, vt = r, ht = r, Bt = 0, yt = r, Gt=!1, Kt = 0, Tt = r
};
var X = function() {
    var n, i, l, c, d, g, v, h, y, T, b, S;
    St(o, [f, u, m, p].join(" "), function(e) {
        var o = e.changedTouches[0];
        for (c = e.target; 3 === c.nodeType;)
            c = c.parentNode;
        switch (d = o.clientY, g = o.clientX, T = e.timeStamp, I.test(c.tagName) || e.preventDefault(), e.type) {
        case f:
            n && n.blur(), it.stopAnimateTo(), n = c, i = v = d, l = g, y = T;
            break;
        case u:
            I.test(c.tagName) && t.activeElement !== c && e.preventDefault(), h = d - v, S = T - b, it.setScrollTop(Kt - h, !0), v = d, b = T;
            break;
        default:
        case m:
        case p:
            var a = i - d, k = l - g, w = k * k + a * a;
            if (49 > w) {
                if (!I.test(n.tagName)) {
                    n.focus();
                    var x = t.createEvent("MouseEvents");
                    x.initMouseEvent("click", !0, !0, e.view, 1, o.screenX, o.screenY, o.clientX, o.clientY, e.ctrlKey, e.altKey, e.shiftKey, e.metaKey, 0, null), n.dispatchEvent(x)
                }
                return 
            }
            n = r;
            var E = h / S;
            E = s.max(s.min(E, 3), - 3);
            var A = s.abs(E / mt), F = E * A + .5 * mt * A * A, C = it.getScrollTop() - F, D = 0;
            C > Ot ? (D = (Ot - C) / F, C = Ot) : 0 > C && (D =- C / F, C = 0), A*=1 - D, it.animateTo(0 | C + .5, {
                easing: "outCubic",
                duration: A
            })
        }
    }), e.scrollTo(0, 0), o.style.overflow = a.style.overflow = "hidden"
}, j = function() {
    var e, t, r, n, a, i, l, c, f, u, m, p = o.clientHeight, d = At();
    for (c = 0, f = lt.length; f > c; c++)
        for (e = lt[c], t = e.element, r = e.anchorTarget, n = e.keyFrames, a = 0, i = n.length; i > a; a++)
            l = n[a], u = l.offset, m = d[l.constant] || 0, l.frame = u, l.isPercentage && (u*=p, l.frame = u), "relative" === l.mode && (ot(t), l.frame = it.relativeToAbsolute(r, l.anchors[0], l.anchors[1]) - u, ot(t, !0)), l.frame += m, ft&&!l.isEnd && l.frame > Ot && (Ot = l.frame);
    for (Ot = s.max(Ot, Ft()), c = 0, f = lt.length; f > c; c++) {
        for (e = lt[c], n = e.keyFrames, a = 0, i = n.length; i > a; a++)
            l = n[a], m = d[l.constant] || 0, l.isEnd && (l.frame = Ot - l.offset + m);
        e.keyFrames.sort(Nt)
    }
}, W = function(e, t) {
    for (var r = 0, n = lt.length; n > r; r++) {
        var o, a, s = lt[r], c = s.element, f = s.smoothScrolling ? e: t, u = s.keyFrames, m = u.length, p = u[0], y = u[u.length - 1], T = p.frame > f, b = f > y.frame, S = T ? p: y, k = s.emitEvents, w = s.lastFrameIndex;
        if (T || b) {
            if (T&&-1 === s.edge || b && 1 === s.edge)
                continue;
            switch (T ? (Dt(c, [g], [h, v]), k && w>-1 && (xt(c, p.eventType, zt), s.lastFrameIndex =- 1)) : (Dt(c, [h], [g, v]), k && m > w && (xt(c, y.eventType, zt), s.lastFrameIndex = m)), s.edge = T?-1 : 1, s.edgeStrategy) {
            case"reset":
                ot(c);
                continue;
            case"ease":
                f = S.frame;
                break;
            default:
            case"set":
                var x = S.props;
                for (o in x)
                    l.call(x, o) && (a = nt(x[o].value), 0 === o.indexOf("@") ? c.setAttribute(o.substr(1), a) : i.setStyle(c, o, a));
                continue
            }
        } else 
            0 !== s.edge && (Dt(c, [d, v], [g, h]), s.edge = 0);
        for (var E = 0; m - 1 > E; E++)
            if (f >= u[E].frame && u[E + 1].frame >= f) {
                var A = u[E], F = u[E + 1];
                for (o in A.props)
                    if (l.call(A.props, o)) {
                        var C = (f - A.frame) / (F.frame - A.frame);
                        C = A.props[o].easing(C), a = rt(A.props[o].value, F.props[o].value, C), a = nt(a), 0 === o.indexOf("@") ? c.setAttribute(o.substr(1), a) : i.setStyle(c, o, a)
                    }
                    k && w !== E && ("down" === zt ? xt(c, A.eventType, zt) : xt(c, F.eventType, zt), s.lastFrameIndex = E);
                    break
            }
    }
}, Z = function() {
    _t && (_t=!1, Et());
    var e, t, n = it.getScrollTop(), o = Pt();
    if (pt)
        o >= pt.endTime ? (n = pt.targetTop, e = pt.done, pt = r) : (t = pt.easing((o - pt.startTime) / pt.duration), n = 0 | pt.startTop + t * pt.topDiff), it.setScrollTop(n, !0);
    else if (!ht) {
        var a = vt.targetTop - n;
        a && (vt = {
            startTop: qt,
            topDiff: n - qt,
            targetTop: n,
            startTime: Lt,
            endTime: Lt + gt
        }), vt.endTime >= o && (t = U.sqrt((o - vt.startTime) / gt), n = 0 | vt.startTop + t * vt.topDiff)
    }
    if (Gt && st && i.setStyle(st, "transform", "translate(0, " +- Kt + "px) " + Tt), ht || qt !== n) {
        zt = n > qt ? "down" : qt > n ? "up" : zt, ht=!1;
        var l = {
            curTop: n,
            lastTop: qt,
            maxTop: Ot,
            direction: zt
        }, s = ct.beforerender && ct.beforerender.call(it, l);
        s!==!1 && (W(n, it.getScrollTop()), qt = n, ct.render && ct.render.call(it, l)), e && e.call(it, !1)
    }
    Lt = o
}, J = function(e) {
    for (var t = 0, r = e.keyFrames.length; r > t; t++) {
        for (var n, o, a, i, l = e.keyFrames[t], s = {}; null !== (i = O.exec(l.props));)
            a = i[1], o = i[2], n = a.match(V), null !== n ? (a = n[1], n = n[2]) : n = k, o = o.indexOf("!") ? Q(o) : [o.slice(1)], s[a] = {
                value: o,
                easing: U[n]
            };
        l.props = s
    }
}, Q = function(e) {
    var t = [];
    return $.lastIndex = 0, e = e.replace($, function(e) {
        return e.replace(L, function(e) {
            return 100 * (e / 255) + "%"
        })
    }), G && (_.lastIndex = 0, e = e.replace(_, function(e) {
        return G + e
    })), e = e.replace(L, function(e) {
        return t.push( + e), "{?}"
    }), t.unshift(e), t
}, et = function(e) {
    var t, r, n = {};
    for (t = 0, r = e.keyFrames.length; r > t; t++)
        tt(e.keyFrames[t], n);
    for (n = {}, t = e.keyFrames.length - 1; t >= 0; t--)
        tt(e.keyFrames[t], n)
}, tt = function(e, t) {
    var r;
    for (r in t)
        l.call(e.props, r) || (e.props[r] = t[r]);
    for (r in e.props)
        t[r] = e.props[r]
}, rt = function(e, t, r) {
    var n, o = e.length;
    if (o !== t.length)
        throw "Can't interpolate between \"" + e[0] + '" and "' + t[0] + '"';
    var a = [e[0]];
    for (n = 1; o > n; n++)
        a[n] = e[n] + (t[n] - e[n]) * r;
    return a
}, nt = function(e) {
    var t = 1;
    return M.lastIndex = 0, e[0].replace(M, function() {
        return e[t++]
    })
}, ot = function(e, t) {
    e = [].concat(e);
    for (var r, n, o = 0, a = e.length; a > o; o++)
        n = e[o], r = lt[n[H]], r && (t ? (n.style.cssText = r.dirtyStyleAttr, Dt(n, r.dirtyClassAttr)) : (r.dirtyStyleAttr = n.style.cssText, r.dirtyClassAttr = Ct(n), n.style.cssText = r.styleAttr, Dt(n, r.classAttr)))
}, at = function() {
    Tt = "translateZ(0)", i.setStyle(st, "transform", Tt);
    var e = c(st), t = e.getPropertyValue("transform"), r = e.getPropertyValue(G + "transform"), n = t && "none" !== t || r && "none" !== r;
    n || (Tt = "")
};
i.setStyle = function(e, t, r) {
    var n = e.style;
    if (t = t.replace(z, q).replace("-", ""), "zIndex" === t)
        n[t] = isNaN(r) ? r : "" + (0 | r);
    else if ("float" === t)
        n.styleFloat = n.cssFloat = r;
    else 
        try {
            B && (n[B + t.slice(0, 1).toUpperCase() + t.slice(1)] = r), n[t] = r
    } catch (o) {}
};
var it, lt, st, ct, ft, ut, mt, pt, dt, gt, vt, ht, yt, Tt, bt, St = i.addEvent = function(t, r, n) {
    var o = function(t) {
        return t = t || e.event, t.target || (t.target = t.srcElement), t.preventDefault || (t.preventDefault = function() {
            t.returnValue=!1, t.defaultPrevented=!0
        }), n.call(this, t)
    };
    r = r.split(" ");
    for (var a, i = 0, l = r.length; l > i; i++)
        a = r[i], t.addEventListener ? t.addEventListener(a, n, !1) : t.attachEvent("on" + a, o), Yt.push({
            element: t,
            name: a,
            listener: n
        })
}, kt = i.removeEvent = function(e, t, r) {
    t = t.split(" ");
    for (var n = 0, o = t.length; o > n; n++)
        e.removeEventListener ? e.removeEventListener(t[n], r, !1) : e.detachEvent("on" + t[n], r)
}, wt = function() {
    for (var e, t = 0, r = Yt.length; r > t; t++)
        e = Yt[t], kt(e.element, e.name, e.listener);
    Yt = []
}, xt = function(e, t, r) {
    ct.keyframe && ct.keyframe.call(it, e, t, r)
}, Et = function() {
    var e = it.getScrollTop();
    Ot = 0, ft&&!Gt && (a.style.height = ""), j(), ft&&!Gt && (a.style.height = Ot + o.clientHeight + "px"), Gt ? it.setScrollTop(s.min(it.getScrollTop(), Ot)) : it.setScrollTop(e, !0), ht=!0
}, At = function() {
    var e, t, r = o.clientHeight, n = {};
    for (e in ut)
        t = ut[e], "function" == typeof t ? t = t.call(it) : /p$/.test(t) && (t = t.slice(0, - 1) / 100 * r), n[e] = t;
    return n
}, Ft = function() {
    var e = st && st.offsetHeight || 0, t = s.max(e, a.scrollHeight, a.offsetHeight, o.scrollHeight, o.offsetHeight, o.clientHeight);
    return t - o.clientHeight
}, Ct = function(t) {
    var r = "className";
    return e.SVGElement && t instanceof e.SVGElement && (t = t[r], r = "baseVal"), t[r]
}, Dt = function(t, n, o) {
    var a = "className";
    if (e.SVGElement && t instanceof e.SVGElement && (t = t[a], a = "baseVal"), o === r)
        return t[a] = n, r;
    for (var i = t[a], l = 0, s = o.length; s > l; l++)
        i = It(i).replace(It(o[l]), " ");
    i = Ht(i);
    for (var c = 0, f = n.length; f > c; c++) 
        - 1 === It(i).indexOf(It(n[c])) && (i += " " + n[c]);
    t[a] = Ht(i)
}, Ht = function(e) {
    return e.replace(P, "")
}, It = function(e) {
    return " " + e + " "
}, Pt = Date.now || function() {
    return + new Date
}, Nt = function(e, t) {
    return e.frame - t.frame
}, Ot = 0, Vt = 1, zt = "down", qt =- 1, Lt = Pt(), Mt = 0, $t = 0, _t=!1, Bt = 0, Gt=!1, Kt = 0, Yt = [];
"function" == typeof define && define.amd ? define("skrollr", function() {
    return i
}) : "undefined" != typeof module && module.exports ? module.exports = i : e.skrollr = i
})(window, document);