/* jquery.scrollgress vx.x | (c) @ajlkn | MIT licensed */
(function () {
    var e = "scrollwatchResume", t = "length", n = "removeData", r = "data", i = "scrollwatch-state",
        s = "scrollwatch-suspended", o = "scrollgress-suspended", u = "setTimeout", a = "trigger", f = "scroll",
        l = "scrollwatchSuspend", c = !0, h = "scrollwatch", p = null, d = "top", v = "rangeMin", m = "rangeMax",
        g = "scrollgress", y = !1, b = "anchor", w = "unscrollwatch", E = "unscrollgress", S = "element", x = "-id",
        T = "scroll.", N = "height", C = "scrollTop", k = "center", L = "bottom", A = $(window), O = $(document),
        M = 1e3;
    jQuery.fn[e] = function () {
        var l, c;
        if (this[t] == 0) return $(this);
        if (this[t] > 1) {
            for (l = 0; l < this[t]; l++) $(this[l])[e]();
            return this
        }
        return c = $(this), c[r](i, -1)[n](s)[n](o), window[u](function () {
            A[a](f)
        }, 50), c
    }, jQuery.fn[l] = function () {
        var e, n;
        if (this[t] == 0) return $(this);
        if (this[t] > 1) {
            for (e = 0; e < this[t]; e++) $(this[e])[l]();
            return this
        }
        return n = $(this), n[r](s, c), window[u](function () {
            A[a](f)
        }, 50), n
    }, jQuery.fn[h] = function (e) {
        var n, a, f, l, w;
        if (this[t] == 0) return $(this);
        if (this[t] > 1) {
            for (n = 0; n < this[t]; n++) $(this[n])[h](e);
            return this
        }
        return a = jQuery.extend({
            range: .5,
            rangeMin: p,
            rangeMax: p,
            anchor: d,
            init: p,
            on: p,
            off: p,
            delay: 0
        }, e), a[v] === p && (a[v] = -1 * a.range), a[m] === p && (a[m] = a.range), f = $(this), a.init && (w = a.init), f[r](s, y)[r](i, -1)[g](function (e) {
            if (f[r](s) === c) {
                a.on && a.on(f), f[r](o, c);
                return
            }
            window.clearTimeout(l), l = window[u](function () {
                var t, n, s = parseInt(f[r](i));
                if (s == 0 || s == -1) {
                    t = a[v] === y || e >= a[v], n = a[m] === y || e <= a[m];
                    if (t && n) {
                        f[r](i, 1), a.on && a.on(f), w && (w(f, c), w = p);
                        return
                    }
                }
                if (s == 1 || s == -1) {
                    t = a[v] !== y && e < a[v], n = a[m] !== y && e > a[m];
                    if (t || n) {
                        f[r](i, 0), a.off && a.off(f), w && (w(f, y), w = p);
                        return
                    }
                }
            }, w ? 0 : a.delay)
        }, {anchor: a[b]}, h), f
    }, jQuery.fn[w] = function () {
        var e, r;
        if (this[t] == 0) return $(this);
        if (this[t] > 1) {
            for (e = 0; e < this[t]; e++) $(this[e])[w]();
            return this
        }
        return r = $(this), r[n](i)[E](h), r
    }, jQuery.fn[g] = function (e, n, i) {
        var s, u, l, h, p;
        if (this[t] == 0) return $(this);
        if (this[t] > 1) {
            for (s = 0; s < this[t]; s++) $(this[s])[g](e, n, i);
            return $(this)
        }
        return i || (i = g), u = jQuery.extend({
            anchor: d,
            direction: "both",
            scope: S,
            easing: 0
        }, n), l = $(this), l[r](i + x) || l[r](i + x, M++), h = l[r](i + x), p = T + i + "-" + h, A.off(p).on(p, function () {
            var t, n, i, s;
            if (l[r](o) === c) return;
            t = l.offset()[d], n = l.outerHeight(), i = O[N]();
            switch (u.scope) {
                default:
                case S:
                    switch (u[b]) {
                        default:
                        case d:
                            s = (t - A[C]()) / n * -1;
                            break;
                        case k:
                            s = (t - A[C]() - (A[N]() - n) / 2) / n * -1;
                            break;
                        case L:
                            s = (t - A[C]() - (A[N]() - n)) / n * -1
                    }
                    break;
                case"window":
                    switch (u[b]) {
                        default:
                        case d:
                            s = (t - A[C]()) / A[N]() * -1;
                            break;
                        case k:
                            s = (t - A[C]() - (A[N]() - n) / 2) / A[N]() * -1;
                            break;
                        case L:
                            s = (t - A[C]() - (A[N]() - n)) / A[N]() * -1
                    }
            }
            u.direction == "forwards" ? s = Math.max(0, s) : u.direction == "backwards" && (s = Math.min(0, s)), s > 0 ? s = Math.max(0, s - u.easing / 100) : s < 0 && (s = Math.min(0, s + u.easing / 100)), e(s, l)
        })[a](f), l
    }, jQuery.fn[E] = function (e) {
        var i, s, o, u;
        if (this[t] == 0) return $(this);
        if (this[t] > 1) {
            for (i = 0; i < this[t]; i++) $(this[i])[E](e);
            return $(this)
        }
        return e || (e = g), s = $(this), s[r](e + x) ? (o = s[r](e + x), u = T + e + "-" + o, A.off(u), s[n](e + x), s) : s
    }
})();