/* bignumber.js v2.4.0 https://github.com/MikeMcl/bignumber.js/LICENCE */
! function (e) {
    "use strict";

    function n(e) {
        function a(e, n) {
            var t, r, i, o, u, s, f = this;
            if (!(f instanceof a)) return j && L(26, "constructor call without new", e), new a(e, n);
            if (null != n && H(n, 2, 64, M, "base")) {
                if (n = 0 | n, s = e + "", 10 == n) return f = new a(e instanceof a ? e : s), U(f, P + f.e + 1, B);
                if ((o = "number" == typeof e) && 0 * e != 0 || !new RegExp("^-?" + (t = "[" + b.slice(0, n) + "]+") + "(?:\\." + t + ")?$", 37 > n ? "i" : "").test(s)) return g(f, s, o, n);
                o ? (f.s = 0 > 1 / e ? (s = s.slice(1), -1) : 1, j && s.replace(/^0\.0*|\./, "").length > 15 && L(M, N, e), o = !1) : f.s = 45 === s.charCodeAt(0) ? (s = s.slice(1), -1) : 1, s = D(s, 10, n, f.s)
            } else {
                if (e instanceof a) return f.s = e.s, f.e = e.e, f.c = (e = e.c) ? e.slice() : e, void (M = 0);
                if ((o = "number" == typeof e) && 0 * e == 0) {
                    if (f.s = 0 > 1 / e ? (e = -e, -1) : 1, e === ~~e) {
                        for (r = 0, i = e; i >= 10; i /= 10, r++);
                        return f.e = r, f.c = [e], void (M = 0)
                    }
                    s = e + ""
                } else {
                    if (!p.test(s = e + "")) return g(f, s, o);
                    f.s = 45 === s.charCodeAt(0) ? (s = s.slice(1), -1) : 1
                }
            }
            for ((r = s.indexOf(".")) > -1 && (s = s.replace(".", "")), (i = s.search(/e/i)) > 0 ? (0 > r && (r = i), r += +s.slice(i + 1), s = s.substring(0, i)) : 0 > r && (r = s.length), i = 0; 48 === s.charCodeAt(i); i++);
            for (u = s.length; 48 === s.charCodeAt(--u););
            if (s = s.slice(i, u + 1))
                if (u = s.length, o && j && u > 15 && (e > S || e !== m(e)) && L(M, N, f.s * e), r = r - i - 1, r > z) f.c = f.e = null;
                else if (G > r) f.c = [f.e = 0];
                else {
                    if (f.e = r, f.c = [], i = (r + 1) % y, 0 > r && (i += y), u > i) {
                        for (i && f.c.push(+s.slice(0, i)), u -= y; u > i;) f.c.push(+s.slice(i, i += y));
                        s = s.slice(i), i = y - s.length
                    } else i -= u;
                    for (; i--; s += "0");
                    f.c.push(+s)
                } else f.c = [f.e = 0];
            M = 0
        }

        function D(e, n, t, i) {
            var o, u, f, c, h, g, p, d = e.indexOf("."),
                m = P,
                w = B;
            for (37 > t && (e = e.toLowerCase()), d >= 0 && (f = J, J = 0, e = e.replace(".", ""), p = new a(t), h = p.pow(e.length - d), J = f, p.c = s(l(r(h.c), h.e), 10, n), p.e = p.c.length), g = s(e, t, n), u = f = g.length; 0 == g[--f]; g.pop());
            if (!g[0]) return "0";
            if (0 > d ? --u : (h.c = g, h.e = u, h.s = i, h = C(h, p, m, w, n), g = h.c, c = h.r, u = h.e), o = u + m + 1, d = g[o], f = n / 2, c = c || 0 > o || null != g[o + 1], c = 4 > w ? (null != d || c) && (0 == w || w == (h.s < 0 ? 3 : 2)) : d > f || d == f && (4 == w || c || 6 == w && 1 & g[o - 1] || w == (h.s < 0 ? 8 : 7)), 1 > o || !g[0]) e = c ? l("1", -m) : "0";
            else {
                if (g.length = o, c)
                    for (--n; ++g[--o] > n;) g[o] = 0, o || (++u, g.unshift(1));
                for (f = g.length; !g[--f];);
                for (d = 0, e = ""; f >= d; e += b.charAt(g[d++]));
                e = l(e, u)
            }
            return e
        }

        function F(e, n, t, i) {
            var o, u, s, c, h;
            if (t = null != t && H(t, 0, 8, i, v) ? 0 | t : B, !e.c) return e.toString();
            if (o = e.c[0], s = e.e, null == n) h = r(e.c), h = 19 == i || 24 == i && k >= s ? f(h, s) : l(h, s);
            else if (e = U(new a(e), n, t), u = e.e, h = r(e.c), c = h.length, 19 == i || 24 == i && (u >= n || k >= u)) {
                for (; n > c; h += "0", c++);
                h = f(h, u)
            } else if (n -= s, h = l(h, u), u + 1 > c) {
                if (--n > 0)
                    for (h += "."; n--; h += "0");
            } else if (n += u - c, n > 0)
                for (u + 1 == c && (h += "."); n--; h += "0");
            return e.s < 0 && o ? "-" + h : h
        }

        function _(e, n) {
            var t, r, i = 0;
            for (u(e[0]) && (e = e[0]), t = new a(e[0]); ++i < e.length;) {
                if (r = new a(e[i]), !r.s) {
                    t = r;
                    break
                }
                n.call(t, r) && (t = r)
            }
            return t
        }

        function x(e, n, t, r, i) {
            return (n > e || e > t || e != c(e)) && L(r, (i || "decimal places") + (n > e || e > t ? " out of range" : " not an integer"), e), !0
        }

        function I(e, n, t) {
            for (var r = 1, i = n.length; !n[--i]; n.pop());
            for (i = n[0]; i >= 10; i /= 10, r++);
            return (t = r + t * y - 1) > z ? e.c = e.e = null : G > t ? e.c = [e.e = 0] : (e.e = t, e.c = n), e
        }

        function L(e, n, t) {
            var r = new Error(["new BigNumber", "cmp", "config", "div", "divToInt", "eq", "gt", "gte", "lt", "lte", "minus", "mod", "plus", "precision", "random", "round", "shift", "times", "toDigits", "toExponential", "toFixed", "toFormat", "toFraction", "pow", "toPrecision", "toString", "BigNumber"][e] + "() " + n + ": " + t);
            throw r.name = "BigNumber Error", M = 0, r
        }

        function U(e, n, t, r) {
            var i, o, u, s, f, l, c, a = e.c,
                h = R;
            if (a) {
                e: {
                    for (i = 1, s = a[0]; s >= 10; s /= 10, i++);
                    if (o = n - i, 0 > o) o += y,
                        u = n,
                        f = a[l = 0],
                        c = f / h[i - u - 1] % 10 | 0;
                    else if (l = d((o + 1) / y), l >= a.length) {
                        if (!r) break e;
                        for (; a.length <= l; a.push(0));
                        f = c = 0, i = 1, o %= y, u = o - y + 1
                    } else {
                        for (f = s = a[l], i = 1; s >= 10; s /= 10, i++);
                        o %= y, u = o - y + i, c = 0 > u ? 0 : f / h[i - u - 1] % 10 | 0
                    }
                    if (r = r || 0 > n || null != a[l + 1] || (0 > u ? f : f % h[i - u - 1]), r = 4 > t ? (c || r) && (0 == t || t == (e.s < 0 ? 3 : 2)) : c > 5 || 5 == c && (4 == t || r || 6 == t && (o > 0 ? u > 0 ? f / h[i - u] : 0 : a[l - 1]) % 10 & 1 || t == (e.s < 0 ? 8 : 7)), 1 > n || !a[0]) return a.length = 0,
                        r ? (n -= e.e + 1, a[0] = h[(y - n % y) % y], e.e = -n || 0) : a[0] = e.e = 0,
                        e;
                    if (0 == o ? (a.length = l, s = 1, l--) : (a.length = l + 1, s = h[y - o], a[l] = u > 0 ? m(f / h[i - u] % h[u]) * s : 0), r)
                        for (; ;) {
                            if (0 == l) {
                                for (o = 1, u = a[0]; u >= 10; u /= 10, o++);
                                for (u = a[0] += s, s = 1; u >= 10; u /= 10, s++);
                                o != s && (e.e++, a[0] == O && (a[0] = 1));
                                break
                            }
                            if (a[l] += s, a[l] != O) break;
                            a[l--] = 0, s = 1
                        }
                    for (o = a.length; 0 === a[--o]; a.pop());
                }
                e.e > z ? e.c = e.e = null : e.e < G && (e.c = [e.e = 0])
            }
            return e
        }
        var C, M = 0,
            T = a.prototype,
            q = new a(1),
            P = 20,
            B = 4,
            k = -7,
            $ = 21,
            G = -1e7,
            z = 1e7,
            j = !0,
            H = x,
            V = !1,
            W = 1,
            J = 100,
            X = {
                decimalSeparator: ".",
                groupSeparator: ",",
                groupSize: 3,
                secondaryGroupSize: 0,
                fractionGroupSeparator: " ",
                fractionGroupSize: 0
            };
        return a.another = n, a.ROUND_UP = 0, a.ROUND_DOWN = 1, a.ROUND_CEIL = 2, a.ROUND_FLOOR = 3, a.ROUND_HALF_UP = 4, a.ROUND_HALF_DOWN = 5, a.ROUND_HALF_EVEN = 6, a.ROUND_HALF_CEIL = 7, a.ROUND_HALF_FLOOR = 8, a.EUCLID = 9, a.config = function () {
            var e, n, t = 0,
                r = {},
                i = arguments,
                s = i[0],
                f = s && "object" == typeof s ? function () {
                    return s.hasOwnProperty(n) ? null != (e = s[n]) : void 0
                } : function () {
                    return i.length > t ? null != (e = i[t++]) : void 0
                };
            return f(n = "DECIMAL_PLACES") && H(e, 0, E, 2, n) && (P = 0 | e), r[n] = P, f(n = "ROUNDING_MODE") && H(e, 0, 8, 2, n) && (B = 0 | e), r[n] = B, f(n = "EXPONENTIAL_AT") && (u(e) ? H(e[0], -E, 0, 2, n) && H(e[1], 0, E, 2, n) && (k = 0 | e[0], $ = 0 | e[1]) : H(e, -E, E, 2, n) && (k = -($ = 0 | (0 > e ? -e : e)))), r[n] = [k, $], f(n = "RANGE") && (u(e) ? H(e[0], -E, -1, 2, n) && H(e[1], 1, E, 2, n) && (G = 0 | e[0], z = 0 | e[1]) : H(e, -E, E, 2, n) && (0 | e ? G = -(z = 0 | (0 > e ? -e : e)) : j && L(2, n + " cannot be zero", e))), r[n] = [G, z], f(n = "ERRORS") && (e === !!e || 1 === e || 0 === e ? (M = 0, H = (j = !!e) ? x : o) : j && L(2, n + w, e)), r[n] = j, f(n = "CRYPTO") && (e === !!e || 1 === e || 0 === e ? (V = !(!e || !h), e && !V && j && L(2, "crypto unavailable", h)) : j && L(2, n + w, e)), r[n] = V, f(n = "MODULO_MODE") && H(e, 0, 9, 2, n) && (W = 0 | e), r[n] = W, f(n = "POW_PRECISION") && H(e, 0, E, 2, n) && (J = 0 | e), r[n] = J, f(n = "FORMAT") && ("object" == typeof e ? X = e : j && L(2, n + " not an object", e)), r[n] = X, r
        }, a.max = function () {
            return _(arguments, T.lt)
        }, a.min = function () {
            return _(arguments, T.gt)
        }, a.random = function () {
            var e = 9007199254740992,
                n = Math.random() * e & 2097151 ? function () {
                    return m(Math.random() * e)
                } : function () {
                    return 8388608 * (1073741824 * Math.random() | 0) + (8388608 * Math.random() | 0)
                };
            return function (e) {
                var t, r, i, o, u, s = 0,
                    f = [],
                    l = new a(q);
                if (e = null != e && H(e, 0, E, 14) ? 0 | e : P, o = d(e / y), V)
                    if (h && h.getRandomValues) {
                        for (t = h.getRandomValues(new Uint32Array(o *= 2)); o > s;) u = 131072 * t[s] + (t[s + 1] >>> 11), u >= 9e15 ? (r = h.getRandomValues(new Uint32Array(2)), t[s] = r[0], t[s + 1] = r[1]) : (f.push(u % 1e14), s += 2);
                        s = o / 2
                    } else if (h && h.randomBytes) {
                        for (t = h.randomBytes(o *= 7); o > s;) u = 281474976710656 * (31 & t[s]) + 1099511627776 * t[s + 1] + 4294967296 * t[s + 2] + 16777216 * t[s + 3] + (t[s + 4] << 16) + (t[s + 5] << 8) + t[s + 6], u >= 9e15 ? h.randomBytes(7).copy(t, s) : (f.push(u % 1e14), s += 7);
                        s = o / 7
                    } else j && L(14, "crypto unavailable", h);
                if (!s)
                    for (; o > s;) u = n(), 9e15 > u && (f[s++] = u % 1e14);
                for (o = f[--s], e %= y, o && e && (u = R[y - e], f[s] = m(o / u) * u); 0 === f[s]; f.pop(), s--);
                if (0 > s) f = [i = 0];
                else {
                    for (i = -1; 0 === f[0]; f.shift(), i -= y);
                    for (s = 1, u = f[0]; u >= 10; u /= 10, s++);
                    y > s && (i -= y - s)
                }
                return l.e = i, l.c = f, l
            }
        }(), C = function () {
            function e(e, n, t) {
                var r, i, o, u, s = 0,
                    f = e.length,
                    l = n % A,
                    c = n / A | 0;
                for (e = e.slice(); f--;) o = e[f] % A, u = e[f] / A | 0, r = c * o + u * l, i = l * o + r % A * A + s, s = (i / t | 0) + (r / A | 0) + c * u, e[f] = i % t;
                return s && e.unshift(s), e
            }

            function n(e, n, t, r) {
                var i, o;
                if (t != r) o = t > r ? 1 : -1;
                else
                    for (i = o = 0; t > i; i++)
                        if (e[i] != n[i]) {
                            o = e[i] > n[i] ? 1 : -1;
                            break
                        } return o
            }

            function r(e, n, t, r) {
                for (var i = 0; t--;) e[t] -= i, i = e[t] < n[t] ? 1 : 0, e[t] = i * r + e[t] - n[t];
                for (; !e[0] && e.length > 1; e.shift());
            }
            return function (i, o, u, s, f) {
                var l, c, h, g, p, d, w, v, N, b, S, R, A, E, D, F, _, x = i.s == o.s ? 1 : -1,
                    I = i.c,
                    L = o.c;
                if (!(I && I[0] && L && L[0])) return new a(i.s && o.s && (I ? !L || I[0] != L[0] : L) ? I && 0 == I[0] || !L ? 0 * x : x / 0 : NaN);
                for (v = new a(x), N = v.c = [], c = i.e - o.e, x = u + c + 1, f || (f = O, c = t(i.e / y) - t(o.e / y), x = x / y | 0), h = 0; L[h] == (I[h] || 0); h++);
                if (L[h] > (I[h] || 0) && c--, 0 > x) N.push(1), g = !0;
                else {
                    for (E = I.length, F = L.length, h = 0, x += 2, p = m(f / (L[0] + 1)), p > 1 && (L = e(L, p, f), I = e(I, p, f), F = L.length, E = I.length), A = F, b = I.slice(0, F), S = b.length; F > S; b[S++] = 0);
                    _ = L.slice(), _.unshift(0), D = L[0], L[1] >= f / 2 && D++;
                    do {
                        if (p = 0, l = n(L, b, F, S), 0 > l) {
                            if (R = b[0], F != S && (R = R * f + (b[1] || 0)), p = m(R / D), p > 1)
                                for (p >= f && (p = f - 1), d = e(L, p, f), w = d.length, S = b.length; 1 == n(d, b, w, S);) p--, r(d, w > F ? _ : L, w, f), w = d.length, l = 1;
                            else 0 == p && (l = p = 1), d = L.slice(), w = d.length;
                            if (S > w && d.unshift(0), r(b, d, S, f), S = b.length, -1 == l)
                                for (; n(L, b, F, S) < 1;) p++, r(b, S > F ? _ : L, S, f), S = b.length
                        } else 0 === l && (p++, b = [0]);
                        N[h++] = p, b[0] ? b[S++] = I[A] || 0 : (b = [I[A]], S = 1)
                    } while ((A++ < E || null != b[0]) && x--);
                    g = null != b[0], N[0] || N.shift()
                }
                if (f == O) {
                    for (h = 1, x = N[0]; x >= 10; x /= 10, h++);
                    U(v, u + (v.e = h + c * y - 1) + 1, s, g)
                } else v.e = c, v.r = +g;
                return v
            }
        }(), g = function () {
            var e = /^(-?)0([xbo])(?=\w[\w.]*$)/i,
                n = /^([^.]+)\.$/,
                t = /^\.([^.]+)$/,
                r = /^-?(Infinity|NaN)$/,
                i = /^\s*\+(?=[\w.])|^\s+|\s+$/g;
            return function (o, u, s, f) {
                var l, c = s ? u : u.replace(i, "");
                if (r.test(c)) o.s = isNaN(c) ? null : 0 > c ? -1 : 1;
                else {
                    if (!s && (c = c.replace(e, function (e, n, t) {
                        return l = "x" == (t = t.toLowerCase()) ? 16 : "b" == t ? 2 : 8, f && f != l ? e : n
                    }), f && (l = f, c = c.replace(n, "$1").replace(t, "0.$1")), u != c)) return new a(c, l);
                    j && L(M, "not a" + (f ? " base " + f : "") + " number", u), o.s = null
                }
                o.c = o.e = null, M = 0
            }
        }(), T.absoluteValue = T.abs = function () {
            var e = new a(this);
            return e.s < 0 && (e.s = 1), e
        }, T.ceil = function () {
            return U(new a(this), this.e + 1, 2)
        }, T.comparedTo = T.cmp = function (e, n) {
            return M = 1, i(this, new a(e, n))
        }, T.decimalPlaces = T.dp = function () {
            var e, n, r = this.c;
            if (!r) return null;
            if (e = ((n = r.length - 1) - t(this.e / y)) * y, n = r[n])
                for (; n % 10 == 0; n /= 10, e--);
            return 0 > e && (e = 0), e
        }, T.dividedBy = T.div = function (e, n) {
            return M = 3, C(this, new a(e, n), P, B)
        }, T.dividedToIntegerBy = T.divToInt = function (e, n) {
            return M = 4, C(this, new a(e, n), 0, 1)
        }, T.equals = T.eq = function (e, n) {
            return M = 5, 0 === i(this, new a(e, n))
        }, T.floor = function () {
            return U(new a(this), this.e + 1, 3)
        }, T.greaterThan = T.gt = function (e, n) {
            return M = 6, i(this, new a(e, n)) > 0
        }, T.greaterThanOrEqualTo = T.gte = function (e, n) {
            return M = 7, 1 === (n = i(this, new a(e, n))) || 0 === n
        }, T.isFinite = function () {
            return !!this.c
        }, T.isInteger = T.isInt = function () {
            return !!this.c && t(this.e / y) > this.c.length - 2
        }, T.isNaN = function () {
            return !this.s
        }, T.isNegative = T.isNeg = function () {
            return this.s < 0
        }, T.isZero = function () {
            return !!this.c && 0 == this.c[0]
        }, T.lessThan = T.lt = function (e, n) {
            return M = 8, i(this, new a(e, n)) < 0
        }, T.lessThanOrEqualTo = T.lte = function (e, n) {
            return M = 9, -1 === (n = i(this, new a(e, n))) || 0 === n
        }, T.minus = T.sub = function (e, n) {
            var r, i, o, u, s = this,
                f = s.s;
            if (M = 10, e = new a(e, n), n = e.s, !f || !n) return new a(NaN);
            if (f != n) return e.s = -n, s.plus(e);
            var l = s.e / y,
                c = e.e / y,
                h = s.c,
                g = e.c;
            if (!l || !c) {
                if (!h || !g) return h ? (e.s = -n, e) : new a(g ? s : NaN);
                if (!h[0] || !g[0]) return g[0] ? (e.s = -n, e) : new a(h[0] ? s : 3 == B ? -0 : 0)
            }
            if (l = t(l), c = t(c), h = h.slice(), f = l - c) {
                for ((u = 0 > f) ? (f = -f, o = h) : (c = l, o = g), o.reverse(), n = f; n--; o.push(0));
                o.reverse()
            } else
                for (i = (u = (f = h.length) < (n = g.length)) ? f : n, f = n = 0; i > n; n++)
                    if (h[n] != g[n]) {
                        u = h[n] < g[n];
                        break
                    } if (u && (o = h, h = g, g = o, e.s = -e.s), n = (i = g.length) - (r = h.length), n > 0)
                for (; n--; h[r++] = 0);
            for (n = O - 1; i > f;) {
                if (h[--i] < g[i]) {
                    for (r = i; r && !h[--r]; h[r] = n);
                    --h[r], h[i] += O
                }
                h[i] -= g[i]
            }
            for (; 0 == h[0]; h.shift(), --c);
            return h[0] ? I(e, h, c) : (e.s = 3 == B ? -1 : 1, e.c = [e.e = 0], e)
        }, T.modulo = T.mod = function (e, n) {
            var t, r, i = this;
            return M = 11, e = new a(e, n), !i.c || !e.s || e.c && !e.c[0] ? new a(NaN) : !e.c || i.c && !i.c[0] ? new a(i) : (9 == W ? (r = e.s, e.s = 1, t = C(i, e, 0, 3), e.s = r, t.s *= r) : t = C(i, e, 0, W), i.minus(t.times(e)))
        }, T.negated = T.neg = function () {
            var e = new a(this);
            return e.s = -e.s || null, e
        }, T.plus = T.add = function (e, n) {
            var r, i = this,
                o = i.s;
            if (M = 12, e = new a(e, n), n = e.s, !o || !n) return new a(NaN);
            if (o != n) return e.s = -n, i.minus(e);
            var u = i.e / y,
                s = e.e / y,
                f = i.c,
                l = e.c;
            if (!u || !s) {
                if (!f || !l) return new a(o / 0);
                if (!f[0] || !l[0]) return l[0] ? e : new a(f[0] ? i : 0 * o)
            }
            if (u = t(u), s = t(s), f = f.slice(), o = u - s) {
                for (o > 0 ? (s = u, r = l) : (o = -o, r = f), r.reverse(); o--; r.push(0));
                r.reverse()
            }
            for (o = f.length, n = l.length, 0 > o - n && (r = l, l = f, f = r, n = o), o = 0; n;) o = (f[--n] = f[n] + l[n] + o) / O | 0, f[n] %= O;
            return o && (f.unshift(o), ++s), I(e, f, s)
        }, T.precision = T.sd = function (e) {
            var n, t, r = this,
                i = r.c;
            if (null != e && e !== !!e && 1 !== e && 0 !== e && (j && L(13, "argument" + w, e), e != !!e && (e = null)), !i) return null;
            if (t = i.length - 1, n = t * y + 1, t = i[t]) {
                for (; t % 10 == 0; t /= 10, n--);
                for (t = i[0]; t >= 10; t /= 10, n++);
            }
            return e && r.e + 1 > n && (n = r.e + 1), n
        }, T.round = function (e, n) {
            var t = new a(this);
            return (null == e || H(e, 0, E, 15)) && U(t, ~~e + this.e + 1, null != n && H(n, 0, 8, 15, v) ? 0 | n : B), t
        }, T.shift = function (e) {
            var n = this;
            return H(e, -S, S, 16, "argument") ? n.times("1e" + c(e)) : new a(n.c && n.c[0] && (-S > e || e > S) ? n.s * (0 > e ? 0 : 1 / 0) : n)
        }, T.squareRoot = T.sqrt = function () {
            var e, n, i, o, u, s = this,
                f = s.c,
                l = s.s,
                c = s.e,
                h = P + 4,
                g = new a("0.5");
            if (1 !== l || !f || !f[0]) return new a(!l || 0 > l && (!f || f[0]) ? NaN : f ? s : 1 / 0);
            if (l = Math.sqrt(+s), 0 == l || l == 1 / 0 ? (n = r(f), (n.length + c) % 2 == 0 && (n += "0"), l = Math.sqrt(n), c = t((c + 1) / 2) - (0 > c || c % 2), l == 1 / 0 ? n = "1e" + c : (n = l.toExponential(), n = n.slice(0, n.indexOf("e") + 1) + c), i = new a(n)) : i = new a(l + ""), i.c[0])
                for (c = i.e, l = c + h, 3 > l && (l = 0); ;)
                    if (u = i, i = g.times(u.plus(C(s, u, h, 1))), r(u.c).slice(0, l) === (n = r(i.c)).slice(0, l)) {
                        if (i.e < c && --l, n = n.slice(l - 3, l + 1), "9999" != n && (o || "4999" != n)) {
                            (!+n || !+n.slice(1) && "5" == n.charAt(0)) && (U(i, i.e + P + 2, 1), e = !i.times(i).eq(s));
                            break
                        }
                        if (!o && (U(u, u.e + P + 2, 0), u.times(u).eq(s))) {
                            i = u;
                            break
                        }
                        h += 4, l += 4, o = 1
                    } return U(i, i.e + P + 1, B, e)
        }, T.times = T.mul = function (e, n) {
            var r, i, o, u, s, f, l, c, h, g, p, d, m, w, v, N = this,
                b = N.c,
                S = (M = 17, e = new a(e, n)).c;
            if (!(b && S && b[0] && S[0])) return !N.s || !e.s || b && !b[0] && !S || S && !S[0] && !b ? e.c = e.e = e.s = null : (e.s *= N.s, b && S ? (e.c = [0], e.e = 0) : e.c = e.e = null), e;
            for (i = t(N.e / y) + t(e.e / y), e.s *= N.s, l = b.length, g = S.length, g > l && (m = b, b = S, S = m, o = l, l = g, g = o), o = l + g, m = []; o--; m.push(0));
            for (w = O, v = A, o = g; --o >= 0;) {
                for (r = 0, p = S[o] % v, d = S[o] / v | 0, s = l, u = o + s; u > o;) c = b[--s] % v, h = b[s] / v | 0, f = d * c + h * p, c = p * c + f % v * v + m[u] + r, r = (c / w | 0) + (f / v | 0) + d * h, m[u--] = c % w;
                m[u] = r
            }
            return r ? ++i : m.shift(), I(e, m, i)
        }, T.toDigits = function (e, n) {
            var t = new a(this);
            return e = null != e && H(e, 1, E, 18, "precision") ? 0 | e : null, n = null != n && H(n, 0, 8, 18, v) ? 0 | n : B, e ? U(t, e, n) : t
        }, T.toExponential = function (e, n) {
            return F(this, null != e && H(e, 0, E, 19) ? ~~e + 1 : null, n, 19)
        }, T.toFixed = function (e, n) {
            return F(this, null != e && H(e, 0, E, 20) ? ~~e + this.e + 1 : null, n, 20)
        }, T.toFormat = function (e, n) {
            var t = F(this, null != e && H(e, 0, E, 21) ? ~~e + this.e + 1 : null, n, 21);
            if (this.c) {
                var r, i = t.split("."),
                    o = +X.groupSize,
                    u = +X.secondaryGroupSize,
                    s = X.groupSeparator,
                    f = i[0],
                    l = i[1],
                    c = this.s < 0,
                    a = c ? f.slice(1) : f,
                    h = a.length;
                if (u && (r = o, o = u, u = r, h -= r), o > 0 && h > 0) {
                    for (r = h % o || o, f = a.substr(0, r); h > r; r += o) f += s + a.substr(r, o);
                    u > 0 && (f += s + a.slice(r)), c && (f = "-" + f)
                }
                t = l ? f + X.decimalSeparator + ((u = +X.fractionGroupSize) ? l.replace(new RegExp("\\d{" + u + "}\\B", "g"), "$&" + X.fractionGroupSeparator) : l) : f
            }
            return t
        }, T.toFraction = function (e) {
            var n, t, i, o, u, s, f, l, c, h = j,
                g = this,
                p = g.c,
                d = new a(q),
                m = t = new a(q),
                w = f = new a(q);
            if (null != e && (j = !1, s = new a(e), j = h, (!(h = s.isInt()) || s.lt(q)) && (j && L(22, "max denominator " + (h ? "out of range" : "not an integer"), e), e = !h && s.c && U(s, s.e + 1, 1).gte(q) ? s : null)), !p) return g.toString();
            for (c = r(p), o = d.e = c.length - g.e - 1, d.c[0] = R[(u = o % y) < 0 ? y + u : u], e = !e || s.cmp(d) > 0 ? o > 0 ? d : m : s, u = z, z = 1 / 0, s = new a(c), f.c[0] = 0; l = C(s, d, 0, 1), i = t.plus(l.times(w)), 1 != i.cmp(e);) t = w, w = i, m = f.plus(l.times(i = m)), f = i, d = s.minus(l.times(i = d)), s = i;
            return i = C(e.minus(t), w, 0, 1), f = f.plus(i.times(m)), t = t.plus(i.times(w)), f.s = m.s = g.s, o *= 2, n = C(m, w, o, B).minus(g).abs().cmp(C(f, t, o, B).minus(g).abs()) < 1 ? [m.toString(), w.toString()] : [f.toString(), t.toString()], z = u, n
        }, T.toNumber = function () {
            return +this
        }, T.toPower = T.pow = function (e, n) {
            var t, r, i, o = m(0 > e ? -e : +e),
                u = this;
            if (null != n && (M = 23, n = new a(n)), !H(e, -S, S, 23, "exponent") && (!isFinite(e) || o > S && (e /= 0) || parseFloat(e) != e && !(e = NaN)) || 0 == e) return t = Math.pow(+u, e), new a(n ? t % n : t);
            for (n ? e > 1 && u.gt(q) && u.isInt() && n.gt(q) && n.isInt() ? u = u.mod(n) : (i = n, n = null) : J && (t = d(J / y + 2)), r = new a(q); ;) {
                if (o % 2) {
                    if (r = r.times(u), !r.c) break;
                    t ? r.c.length > t && (r.c.length = t) : n && (r = r.mod(n))
                }
                if (o = m(o / 2), !o) break;
                u = u.times(u), t ? u.c && u.c.length > t && (u.c.length = t) : n && (u = u.mod(n))
            }
            return n ? r : (0 > e && (r = q.div(r)), i ? r.mod(i) : t ? U(r, J, B) : r)
        }, T.toPrecision = function (e, n) {
            return F(this, null != e && H(e, 1, E, 24, "precision") ? 0 | e : null, n, 24)
        }, T.toString = function (e) {
            var n, t = this,
                i = t.s,
                o = t.e;
            return null === o ? i ? (n = "Infinity", 0 > i && (n = "-" + n)) : n = "NaN" : (n = r(t.c), n = null != e && H(e, 2, 64, 25, "base") ? D(l(n, o), 0 | e, 10, i) : k >= o || o >= $ ? f(n, o) : l(n, o), 0 > i && t.c[0] && (n = "-" + n)), n
        }, T.truncated = T.trunc = function () {
            return U(new a(this), this.e + 1, 1)
        }, T.valueOf = T.toJSON = function () {
            var e, n = this,
                t = n.e;
            return null === t ? n.toString() : (e = r(n.c), e = k >= t || t >= $ ? f(e, t) : l(e, t), n.s < 0 ? "-" + e : e)
        }, null != e && a.config(e), a
    }

    function t(e) {
        var n = 0 | e;
        return e > 0 || e === n ? n : n - 1
    }

    function r(e) {
        for (var n, t, r = 1, i = e.length, o = e[0] + ""; i > r;) {
            for (n = e[r++] + "", t = y - n.length; t--; n = "0" + n);
            o += n
        }
        for (i = o.length; 48 === o.charCodeAt(--i););
        return o.slice(0, i + 1 || 1)
    }

    function i(e, n) {
        var t, r, i = e.c,
            o = n.c,
            u = e.s,
            s = n.s,
            f = e.e,
            l = n.e;
        if (!u || !s) return null;
        if (t = i && !i[0], r = o && !o[0], t || r) return t ? r ? 0 : -s : u;
        if (u != s) return u;
        if (t = 0 > u, r = f == l, !i || !o) return r ? 0 : !i ^ t ? 1 : -1;
        if (!r) return f > l ^ t ? 1 : -1;
        for (s = (f = i.length) < (l = o.length) ? f : l, u = 0; s > u; u++)
            if (i[u] != o[u]) return i[u] > o[u] ^ t ? 1 : -1;
        return f == l ? 0 : f > l ^ t ? 1 : -1
    }

    function o(e, n, t) {
        return (e = c(e)) >= n && t >= e
    }

    function u(e) {
        return "[object Array]" == Object.prototype.toString.call(e)
    }

    function s(e, n, t) {
        for (var r, i, o = [0], u = 0, s = e.length; s > u;) {
            for (i = o.length; i--; o[i] *= n);
            for (o[r = 0] += b.indexOf(e.charAt(u++)); r < o.length; r++) o[r] > t - 1 && (null == o[r + 1] && (o[r + 1] = 0), o[r + 1] += o[r] / t | 0, o[r] %= t)
        }
        return o.reverse()
    }

    function f(e, n) {
        return (e.length > 1 ? e.charAt(0) + "." + e.slice(1) : e) + (0 > n ? "e" : "e+") + n
    }

    function l(e, n) {
        var t, r;
        if (0 > n) {
            for (r = "0."; ++n; r += "0");
            e = r + e
        } else if (t = e.length, ++n > t) {
            for (r = "0", n -= t; --n; r += "0");
            e += r
        } else t > n && (e = e.slice(0, n) + "." + e.slice(n));
        return e
    }

    function c(e) {
        return e = parseFloat(e), 0 > e ? d(e) : m(e)
    }
    var a, h, g, p = /^-?(\d+(\.\d*)?|\.\d+)(e[+-]?\d+)?$/i,
        d = Math.ceil,
        m = Math.floor,
        w = " not a boolean or binary digit",
        v = "rounding mode",
        N = "number type has more than 15 significant digits",
        b = "0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ$_",
        O = 1e14,
        y = 14,
        S = 9007199254740991,
        R = [1, 10, 100, 1e3, 1e4, 1e5, 1e6, 1e7, 1e8, 1e9, 1e10, 1e11, 1e12, 1e13],
        A = 1e7,
        E = 1e9;
    if ("undefined" != typeof crypto && (h = crypto), a = n(), a["default"] = a.BigNumber = a, "function" == typeof define && define.amd) define(function () {
        return a
    });
    else if ("undefined" != typeof module && module.exports) {
        if (module.exports = a, !h) try {
            h = require("crypto")
        } catch (D) { }
    } else e || (e = "undefined" != typeof self ? self : Function("return this")()), e.BigNumber = a
}(this);


! function (t, e) {
    "object" == typeof exports && "object" == typeof module ? module.exports = e() : "function" == typeof define && define.amd ? define([], e) : "object" == typeof exports ? exports.ClipboardJS = e() : t.ClipboardJS = e()
}(this, function () {
    return o = {}, r.m = n = [function (t, e) {
        t.exports = function (t) {
            var e;
            if ("SELECT" === t.nodeName) t.focus(), e = t.value;
            else if ("INPUT" === t.nodeName || "TEXTAREA" === t.nodeName) {
                var n = t.hasAttribute("readonly");
                n || t.setAttribute("readonly", ""), t.select(), t.setSelectionRange(0, t.value.length), n || t.removeAttribute("readonly"), e = t.value
            } else {
                t.hasAttribute("contenteditable") && t.focus();
                var o = window.getSelection(),
                    r = document.createRange();
                r.selectNodeContents(t), o.removeAllRanges(), o.addRange(r), e = o.toString()
            }
            return e
        }
    }, function (t, e) {
        function n() { }
        n.prototype = {
            on: function (t, e, n) {
                var o = this.e || (this.e = {});
                return (o[t] || (o[t] = [])).push({
                    fn: e,
                    ctx: n
                }), this
            },
            once: function (t, e, n) {
                var o = this;

                function r() {
                    o.off(t, r), e.apply(n, arguments)
                }
                return r._ = e, this.on(t, r, n)
            },
            emit: function (t) {
                for (var e = [].slice.call(arguments, 1), n = ((this.e || (this.e = {}))[t] || []).slice(), o = 0, r = n.length; o < r; o++) n[o].fn.apply(n[o].ctx, e);
                return this
            },
            off: function (t, e) {
                var n = this.e || (this.e = {}),
                    o = n[t],
                    r = [];
                if (o && e)
                    for (var i = 0, a = o.length; i < a; i++) o[i].fn !== e && o[i].fn._ !== e && r.push(o[i]);
                return r.length ? n[t] = r : delete n[t], this
            }
        }, t.exports = n, t.exports.TinyEmitter = n
    }, function (t, e, n) {
        var d = n(3),
            h = n(4);
        t.exports = function (t, e, n) {
            if (!t && !e && !n) throw new Error("Missing required arguments");
            if (!d.string(e)) throw new TypeError("Second argument must be a String");
            if (!d.fn(n)) throw new TypeError("Third argument must be a Function");
            if (d.node(t)) return s = e, f = n, (u = t).addEventListener(s, f), {
                destroy: function () {
                    u.removeEventListener(s, f)
                }
            };
            if (d.nodeList(t)) return a = t, c = e, l = n, Array.prototype.forEach.call(a, function (t) {
                t.addEventListener(c, l)
            }), {
                destroy: function () {
                    Array.prototype.forEach.call(a, function (t) {
                        t.removeEventListener(c, l)
                    })
                }
            };
            if (d.string(t)) return o = t, r = e, i = n, h(document.body, o, r, i);
            throw new TypeError("First argument must be a String, HTMLElement, HTMLCollection, or NodeList");
            var o, r, i, a, c, l, u, s, f
        }
    }, function (t, n) {
        n.node = function (t) {
            return void 0 !== t && t instanceof HTMLElement && 1 === t.nodeType
        }, n.nodeList = function (t) {
            var e = Object.prototype.toString.call(t);
            return void 0 !== t && ("[object NodeList]" === e || "[object HTMLCollection]" === e) && "length" in t && (0 === t.length || n.node(t[0]))
        }, n.string = function (t) {
            return "string" == typeof t || t instanceof String
        }, n.fn = function (t) {
            return "[object Function]" === Object.prototype.toString.call(t)
        }
    }, function (t, e, n) {
        var a = n(5);

        function i(t, e, n, o, r) {
            var i = function (e, n, t, o) {
                return function (t) {
                    t.delegateTarget = a(t.target, n), t.delegateTarget && o.call(e, t)
                }
            }.apply(this, arguments);
            return t.addEventListener(n, i, r), {
                destroy: function () {
                    t.removeEventListener(n, i, r)
                }
            }
        }
        t.exports = function (t, e, n, o, r) {
            return "function" == typeof t.addEventListener ? i.apply(null, arguments) : "function" == typeof n ? i.bind(null, document).apply(null, arguments) : ("string" == typeof t && (t = document.querySelectorAll(t)), Array.prototype.map.call(t, function (t) {
                return i(t, e, n, o, r)
            }))
        }
    }, function (t, e) {
        if ("undefined" != typeof Element && !Element.prototype.matches) {
            var n = Element.prototype;
            n.matches = n.matchesSelector || n.mozMatchesSelector || n.msMatchesSelector || n.oMatchesSelector || n.webkitMatchesSelector
        }
        t.exports = function (t, e) {
            for (; t && 9 !== t.nodeType;) {
                if ("function" == typeof t.matches && t.matches(e)) return t;
                t = t.parentNode
            }
        }
    }, function (t, e, n) {
        "use strict";
        n.r(e);
        var o = n(0),
            r = n.n(o),
            i = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (t) {
                return typeof t
            } : function (t) {
                return t && "function" == typeof Symbol && t.constructor === Symbol && t !== Symbol.prototype ? "symbol" : typeof t
            };

        function a(t, e) {
            for (var n = 0; n < e.length; n++) {
                var o = e[n];
                o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(t, o.key, o)
            }
        }

        function c(t) {
            ! function (t, e) {
                if (!(t instanceof e)) throw new TypeError("Cannot call a class as a function")
            }(this, c), this.resolveOptions(t), this.initSelection()
        }
        var l = (function (t, e, n) {
            return e && a(t.prototype, e), n && a(t, n), t
        }(c, [{
            key: "resolveOptions",
            value: function (t) {
                var e = 0 < arguments.length && void 0 !== t ? t : {};
                this.action = e.action, this.container = e.container, this.emitter = e.emitter, this.target = e.target, this.text = e.text, this.trigger = e.trigger, this.selectedText = ""
            }
        }, {
            key: "initSelection",
            value: function () {
                this.text ? this.selectFake() : this.target && this.selectTarget()
            }
        }, {
            key: "selectFake",
            value: function () {
                var t = this,
                    e = "rtl" == document.documentElement.getAttribute("dir");
                this.removeFake(), this.fakeHandlerCallback = function () {
                    return t.removeFake()
                }, this.fakeHandler = this.container.addEventListener("click", this.fakeHandlerCallback) || !0, this.fakeElem = document.createElement("textarea"), this.fakeElem.style.fontSize = "12pt", this.fakeElem.style.border = "0", this.fakeElem.style.padding = "0", this.fakeElem.style.margin = "0", this.fakeElem.style.position = "absolute", this.fakeElem.style[e ? "right" : "left"] = "-9999px";
                var n = window.pageYOffset || document.documentElement.scrollTop;
                this.fakeElem.style.top = n + "px", this.fakeElem.setAttribute("readonly", ""), this.fakeElem.value = this.text, this.container.appendChild(this.fakeElem), this.selectedText = r()(this.fakeElem), this.copyText()
            }
        }, {
            key: "removeFake",
            value: function () {
                this.fakeHandler && (this.container.removeEventListener("click", this.fakeHandlerCallback), this.fakeHandler = null, this.fakeHandlerCallback = null), this.fakeElem && (this.container.removeChild(this.fakeElem), this.fakeElem = null)
            }
        }, {
            key: "selectTarget",
            value: function () {
                this.selectedText = r()(this.target), this.copyText()
            }
        }, {
            key: "copyText",
            value: function () {
                var e = void 0;
                try {
                    e = document.execCommand(this.action)
                } catch (t) {
                    e = !1
                }
                this.handleResult(e)
            }
        }, {
            key: "handleResult",
            value: function (t) {
                this.emitter.emit(t ? "success" : "error", {
                    action: this.action,
                    text: this.selectedText,
                    trigger: this.trigger,
                    clearSelection: this.clearSelection.bind(this)
                })
            }
        }, {
            key: "clearSelection",
            value: function () {
                this.trigger && this.trigger.focus(), document.activeElement.blur(), window.getSelection().removeAllRanges()
            }
        }, {
            key: "destroy",
            value: function () {
                this.removeFake()
            }
        }, {
            key: "action",
            set: function (t) {
                var e = 0 < arguments.length && void 0 !== t ? t : "copy";
                if (this._action = e, "copy" !== this._action && "cut" !== this._action) throw new Error('Invalid "action" value, use either "copy" or "cut"')
            },
            get: function () {
                return this._action
            }
        }, {
            key: "target",
            set: function (t) {
                if (void 0 !== t) {
                    if (!t || "object" !== (void 0 === t ? "undefined" : i(t)) || 1 !== t.nodeType) throw new Error('Invalid "target" value, use a valid Element');
                    if ("copy" === this.action && t.hasAttribute("disabled")) throw new Error('Invalid "target" attribute. Please use "readonly" instead of "disabled" attribute');
                    if ("cut" === this.action && (t.hasAttribute("readonly") || t.hasAttribute("disabled"))) throw new Error('Invalid "target" attribute. You can\'t cut text from elements with "readonly" or "disabled" attributes');
                    this._target = t
                }
            },
            get: function () {
                return this._target
            }
        }]), c),
            u = n(1),
            s = n.n(u),
            f = n(2),
            d = n.n(f),
            h = "function" == typeof Symbol && "symbol" == typeof Symbol.iterator ? function (t) {
                return typeof t
            } : function (t) {
                return t && "function" == typeof Symbol && t.constructor === Symbol && t !== Symbol.prototype ? "symbol" : typeof t
            },
            p = function (t, e, n) {
                return e && y(t.prototype, e), n && y(t, n), t
            };

        function y(t, e) {
            for (var n = 0; n < e.length; n++) {
                var o = e[n];
                o.enumerable = o.enumerable || !1, o.configurable = !0, "value" in o && (o.writable = !0), Object.defineProperty(t, o.key, o)
            }
        }
        var m = (function (t, e) {
            if ("function" != typeof e && null !== e) throw new TypeError("Super expression must either be null or a function, not " + typeof e);
            t.prototype = Object.create(e && e.prototype, {
                constructor: {
                    value: t,
                    enumerable: !1,
                    writable: !0,
                    configurable: !0
                }
            }), e && (Object.setPrototypeOf ? Object.setPrototypeOf(t, e) : t.__proto__ = e)
        }(v, s.a), p(v, [{
            key: "resolveOptions",
            value: function (t) {
                var e = 0 < arguments.length && void 0 !== t ? t : {};
                this.action = "function" == typeof e.action ? e.action : this.defaultAction, this.target = "function" == typeof e.target ? e.target : this.defaultTarget, this.text = "function" == typeof e.text ? e.text : this.defaultText, this.container = "object" === h(e.container) ? e.container : document.body
            }
        }, {
            key: "listenClick",
            value: function (t) {
                var e = this;
                this.listener = d()(t, "click", function (t) {
                    return e.onClick(t)
                })
            }
        }, {
            key: "onClick",
            value: function (t) {
                var e = t.delegateTarget || t.currentTarget;
                this.clipboardAction && (this.clipboardAction = null), this.clipboardAction = new l({
                    action: this.action(e),
                    target: this.target(e),
                    text: this.text(e),
                    container: this.container,
                    trigger: e,
                    emitter: this
                })
            }
        }, {
            key: "defaultAction",
            value: function (t) {
                return b("action", t)
            }
        }, {
            key: "defaultTarget",
            value: function (t) {
                var e = b("target", t);
                if (e) return document.querySelector(e)
            }
        }, {
            key: "defaultText",
            value: function (t) {
                return b("text", t)
            }
        }, {
            key: "destroy",
            value: function () {
                this.listener.destroy(), this.clipboardAction && (this.clipboardAction.destroy(), this.clipboardAction = null)
            }
        }], [{
            key: "isSupported",
            value: function (t) {
                var e = 0 < arguments.length && void 0 !== t ? t : ["copy", "cut"],
                    n = "string" == typeof e ? [e] : e,
                    o = !!document.queryCommandSupported;
                return n.forEach(function (t) {
                    o = o && !!document.queryCommandSupported(t)
                }), o
            }
        }]), v);

        function v(t, e) {
            ! function (t, e) {
                if (!(t instanceof e)) throw new TypeError("Cannot call a class as a function")
            }(this, v);
            var n = function (t, e) {
                if (!t) throw new ReferenceError("this hasn't been initialised - super() hasn't been called");
                return !e || "object" != typeof e && "function" != typeof e ? t : e
            }(this, (v.__proto__ || Object.getPrototypeOf(v)).call(this));
            return n.resolveOptions(e), n.listenClick(t), n
        }

        function b(t, e) {
            var n = "data-clipboard-" + t;
            if (e.hasAttribute(n)) return e.getAttribute(n)
        }
        e.default = m
    }], r.c = o, r.d = function (t, e, n) {
        r.o(t, e) || Object.defineProperty(t, e, {
            enumerable: !0,
            get: n
        })
    }, r.r = function (t) {
        "undefined" != typeof Symbol && Symbol.toStringTag && Object.defineProperty(t, Symbol.toStringTag, {
            value: "Module"
        }), Object.defineProperty(t, "__esModule", {
            value: !0
        })
    }, r.t = function (e, t) {
        if (1 & t && (e = r(e)), 8 & t) return e;
        if (4 & t && "object" == typeof e && e && e.__esModule) return e;
        var n = Object.create(null);
        if (r.r(n), Object.defineProperty(n, "default", {
            enumerable: !0,
            value: e
        }), 2 & t && "string" != typeof e)
            for (var o in e) r.d(n, o, function (t) {
                return e[t]
            }.bind(null, o));
        return n
    }, r.n = function (t) {
        var e = t && t.__esModule ? function () {
            return t.default
        } : function () {
            return t
        };
        return r.d(e, "a", e), e
    }, r.o = function (t, e) {
        return Object.prototype.hasOwnProperty.call(t, e)
    }, r.p = "", r(r.s = 6).default;

    function r(t) {
        if (o[t]) return o[t].exports;
        var e = o[t] = {
            i: t,
            l: !1,
            exports: {}
        };
        return n[t].call(e.exports, e, e.exports, r), e.l = !0, e.exports
    }
    var n, o
});


var clipboard = new ClipboardJS('.btn-copy');
var xelem = document.getElementById("d");
var sel1elem = document.getElementById("form");
var sel2elem = document.getElementById("to");
var yelem = document.getElementById("y");
var calgroup = document.getElementById("calgroup");
var cal1elem = document.getElementById("cal1");
var cal2elem = document.getElementById("cal2");
window.addEventListener("DOMContentLoaded", function() {
    calgroup.style.display = "none";
    var params = GetURLParams();
    if (Object.keys(params).length > 0 && params.d != "") {
        xelem.value = params.d;
        sel1elem.selectedIndex = params.form - 2;
        sel2elem.selectedIndex = params.to - 2;
        onconvert()
    }
});

function GetURLParams() {
    var url = window.location.href;
    var regex = /[?&]([^=#]+)=([^&#]*)/g,
        params = {},
        match;
    while (match = regex.exec(url)) {
        params[match[1]] = match[2]
    }
    if (url.indexOf('8jz') > -1) {
        return params
    }
}

function swap() {
    var i1 = sel1elem.selectedIndex;
    var i2 = sel2elem.selectedIndex;
    sel1elem.selectedIndex = i2;
    sel2elem.selectedIndex = i1;
    xelem.value = yelem.value;
    yelem.value = ""
}

function base2decimal(x, dec, b) {
    var txt = "(" + x + ")<sub>" + b.toString() + "</sub> = ";
    var d, e, minus = false;
    var len = x.length;
    if (x[0] == "-") {
        txt += "-[";
        x = x.substr(1);
        len--;
        minus = true
    }
    var idot = x.indexOf(".");
    if (idot >= 0) {
        x = x.substring(0, idot) + x.substring(idot + 1, len);
        len--
    } else idot = len;
    for (var i = 0; i < len; i++) {
        d = parseInt(x[i], b);
        e = idot - i - 1;
        e = e.toString();
        txt += "(" + d + " \u00D7 " + b + "<sup>" + e + "</sup>)";
        if (i < len - 1) txt += " + "
    }
    if (minus) txt += "]";
    txt += " = (" + dec + ")<sub>10</sub>";
    document.getElementById("cal1txt").innerHTML = txt
}

function digits_after_period(x) {
    f = x.toString();
    i = f.indexOf('.');
    len = f.length - i - 1;
    return len
}

function decimal2base(dec, y, b) {
    var row, txt = "";
    document.getElementById("cal2tbl").getElementsByTagName('tbody')[0].innerHTML = "";
    if (dec < 0) dec = -dec;
    dec = dec.toString();
    var id = dec.indexOf(".");
    var nd = y.length - y.indexOf(".") - 1;
    if (nd > 6) nd = 6;
    if (id >= 0 && nd > 0) {
        txt = "\u5c06\u76ee\u6807\u57fa\u6570\u4e58\u4ee5\u7ed3\u679c\u7684\u5c0f\u6570\u4f4d\u6570\u0028\u6700\u9ad8\u53ef\u8fbe\u0036\u4f4d\u6570\u0029\u003a<br>";
        txt += "floor(" + dec + "&times;" + b + "<sup>" + nd + "</sup>) = ";
        dec = Math.floor(dec * Math.pow(b, nd));
        txt += dec
    }
    document.getElementById("cal2dec").innerHTML = txt;
    for (var n = dec, k = 0; n >= 1; k++) {
        row = "<tr>";
        row += "<td>" + n + "/" + b + "</td>";
        row += "<td>" + Math.floor(n / b) + "</td>";
        row += "<td>" + (n % b).toFixed() + "</td>";
        row += "<td>" + k + "</td>";
        row += "</tr>";
        n = Math.floor(n / b);
        var tableRef = document.getElementById('cal2tbl').getElementsByTagName('tbody')[0];
        var newRow = tableRef.insertRow(k);
        newRow.innerHTML = row
    }
    document.getElementById("cal2result").innerHTML = "= (" + y + ")<sub>" + b + "</sub>"
}

function onconvert() {
    var x = xelem.value;
    var b1 = sel1elem.selectedIndex + 2;
    var b2 = sel2elem.selectedIndex + 2;
    try {
        var y = new BigNumber(x, b1);
        xelem.style.background = "white"
    } catch (err) {
        xelem.style.background = "#fff0f0";
        yelem.value = "";
        return
    }
    var dec = y.toString(10);
    y = y.toString(b2).toUpperCase();
    yelem.value = y;
    var yd = yelem.value.match(/[\dA-Z]/g);
    var ylabel = "\u8f6c\u6362\u7ed3\u679c\uff1a";
    if (yd != null) ylabel += " (" + yd.length + ((yd.length == 1) ? " \u4f4d)" : " \u4f4d)");
    document.getElementById("ylabel").innerHTML = ylabel;
    document.getElementById("b1txt").innerHTML = b1;
    document.getElementById("b2txt").innerHTML = b2;
    base2decimal(x, dec, b1);
    decimal2base(dec, y, b2);
    if (b1 == 10) cal1elem.style.display = "none";
    else cal1elem.style.display = "block";
    if (b2 == 10) cal2elem.style.display = "none";
    else cal2elem.style.display = "block";
    calgroup.style.display = "block"
}

function onrst() {
    calgroup.style.display = "none"
}