Hi, PLease examine this code. 

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                    return e[1] = e[1].toLowerCase(), "nth" === e[1].slice(0, 3) ? (e[3] || oe.error(e[0]), e[4] = +(e[4] ? e[5] + (e[6] || 1) : 2 * ("even" === e[3] || "odd" === e[3])), e[5] = +(e[7] + e[8] || "odd" === e[3])) : e[3] && oe.error(e[0]), e
                },
                PSEUDO: function(e) {
                    var t, n = !e[6] && e[2];
                    return V.CHILD.test(e[0]) ? null : (e[3] ? e[2] = e[4] || e[5] || "" : n && X.test(n) && (t = a(n, !0)) && (t = n.indexOf(")", n.length - t) - n.length) && (e[0] = e[0].slice(0, t), e[2] = n.slice(0, t)), e.slice(0, 3))
                }
            },
            filter: {
                TAG: function(e) {
                    var t = e.replace(Z, ee).toLowerCase();
                    return "*" === e ? function() {
                        return !0
                    } : function(e) {
                        return e.nodeName && e.nodeName.toLowerCase() === t
                    }
                },
                CLASS: function(e) {
                    var t = E[e + " "];
                    return t || (t = new RegExp("(^|" + M + ")" + e + "(" + M + "|$)")) && E(e, function(e) {
                        return t.test("string" == typeof e.className && e.className || "undefined" != typeof e.getAttribute && e.getAttribute("class") || "")
                    })
                },
                ATTR: function(e, t, n) {
                    return function(r) {
                        var i = oe.attr(r, e);
                        return null == i ? "!=" === t : !t || (i += "", "=" === t ? i === n : "!=" === t ? i !== n : "^=" === t ? n && 0 === i.indexOf(n) : "*=" === t ? n && i.indexOf(n) > -1 : "$=" === t ? n && i.slice(-n.length) === n : "~=" === t ? (" " + i.replace($, " ") + " ").indexOf(n) > -1 : "|=" === t && (i === n || i.slice(0, n.length + 1) === n + "-"))
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                },
                CHILD: function(e, t, n, r, i) {
                    var o = "nth" !== e.slice(0, 3),
                        a = "last" !== e.slice(-4),
                        s = "of-type" === t;
                    return 1 === r && 0 === i ? function(e) {
                        return !!e.parentNode
                    } : function(t, n, u) {
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                            y = t.parentNode,
                            v = s && t.nodeName.toLowerCase(),
                            m = !u && !s,
                            x = !1;
                        if (y) {
                            if (o) {
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                                        if (s ? p.nodeName.toLowerCase() === v : 1 === p.nodeType) return !1;
                                    h = g = "only" === e && !h && "nextSibling"
                                }
                                return !0
                            }
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                                while (p = ++d && p && p[g] || (x = d = 0) || h.pop())
                                    if (1 === p.nodeType && ++x && p === t) {
                                        c[e] = [T, d, x];
                                        break
                                    }
                            } else if (m && (x = d = (l = (c = (f = (p = t)[b] || (p[b] = {}))[p.uniqueID] || (f[p.uniqueID] = {}))[e] || [])[0] === T && l[1]), !1 === x)
                                while (p = ++d && p && p[g] || (x = d = 0) || h.pop())
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                            return (x -= i) === r || x % r == 0 && x / r >= 0
                        }
                    }
                },
                PSEUDO: function(e, t) {
                    var n, i = r.pseudos[e] || r.setFilters[e.toLowerCase()] || oe.error("unsupported pseudo: " + e);
                    return i[b] ? i(t) : i.length > 1 ? (n = [e, e, "", t], r.setFilters.hasOwnProperty(e.toLowerCase()) ? se(function(e, n) {
                        var r, o = i(e, t),
                            a = o.length;
                        while (a--) e[r = O(e, o[a])] = !(n[r] = o[a])
                    }) : function(e) {
                        return i(e, 0, n)
                    }) : i
                }
            },
            pseudos: {
                not: se(function(e) {
                    var t = [],
                        n = [],
                        r = s(e.replace(B, "$1"));
                    return r[b] ? se(function(e, t, n, i) {
                        var o, a = r(e, null, i, []),
                            s = e.length;
                        while (s--)(o = a[s]) && (e[s] = !(t[s] = o))
                    }) : function(e, i, o) {
                        return t[0] = e, r(t, null, o, n), t[0] = null, !n.pop()
                    }
                }),
                has: se(function(e) {
                    return function(t) {
                        return oe(e, t).length > 0
                    }
                }),
                contains: se(function(e) {
                    return e = e.replace(Z, ee),
                        function(t) {
                            return (t.textContent || t.innerText || i(t)).indexOf(e) > -1
                        }
                }),
                lang: se(function(e) {
                    return U.test(e || "") || oe.error("unsupported lang: " + e), e = e.replace(Z, ee).toLowerCase(),
                        function(t) {
                            var n;
                            do {
                                if (n = g ? t.lang : t.getAttribute("xml:lang") || t.getAttribute("lang")) return (n = n.toLowerCase()) === e || 0 === n.indexOf(e + "-")
                            } while ((t = t.parentNode) && 1 === t.nodeType);
                            return !1
                        }
                }),
                target: function(t) {
                    var n = e.location && e.location.hash;
                    return n && n.slice(1) === t.id
                },
                root: function(e) {
                    return e === h
                },
                focus: function(e) {
                    return e === d.activeElement && (!d.hasFocus || d.hasFocus()) && !!(e.type || e.href || ~e.tabIndex)
                },
                enabled: de(!1),
                disabled: de(!0),
                checked: function(e) {
                    var t = e.nodeName.toLowerCase();
                    return "input" === t && !!e.checked || "option" === t && !!e.selected
                },
                selected: function(e) {
                    return e.parentNode && e.parentNode.selectedIndex, !0 === e.selected
                },
                empty: function(e) {
                    for (e = e.firstChild; e; e = e.nextSibling)
                        if (e.nodeType < 6) return !1;
                    return !0
                },
                parent: function(e) {
                    return !r.pseudos.empty(e)
                },
                header: function(e) {
                    return Y.test(e.nodeName)
                },
                input: function(e) {
                    return G.test(e.nodeName)
                },
                button: function(e) {
                    var t = e.nodeName.toLowerCase();
                    return "input" === t && "button" === e.type || "button" === t
                },
                text: function(e) {
                    var t;
                    return "input" === e.nodeName.toLowerCase() && "text" === e.type && (null == (t = e.getAttribute("type")) || "text" === t.toLowerCase())
                },
                first: he(function() {
                    return [0]
                }),
                last: he(function(e, t) {
                    return [t - 1]
                }),
                eq: he(function(e, t, n) {
                    return [n < 0 ? n + t : n]
                }),
                even: he(function(e, t) {
                    for (var n = 0; n < t; n += 2) e.push(n);
                    return e
                }),
                odd: he(function(e, t) {
                    for (var n = 1; n < t; n += 2) e.push(n);
                    return e
                }),
                lt: he(function(e, t, n) {
                    for (var r = n < 0 ? n + t : n; --r >= 0;) e.push(r);
                    return e
                }),
                gt: he(function(e, t, n) {
                    for (var r = n < 0 ? n + t : n; ++r < t;) e.push(r);
                    return e
                })
            }
        }).pseudos.nth = r.pseudos.eq;
        for (t in {
                radio: !0,
                checkbox: !0,
                file: !0,
                password: !0,
                image: !0
            }) r.pseudos[t] = fe(t);
        for (t in {
                submit: !0,
                reset: !0
            }) r.pseudos[t] = pe(t);

        function ye() {}
        ye.prototype = r.filters = r.pseudos, r.setFilters = new ye, a = oe.tokenize = function(e, t) {
            var n, i, o, a, s, u, l, c = k[e + " "];
            if (c) return t ? 0 : c.slice(0);
            s = e, u = [], l = r.preFilter;
            while (s) {
                n && !(i = F.exec(s)) || (i && (s = s.slice(i[0].length) || s), u.push(o = [])), n = !1, (i = _.exec(s)) && (n = i.shift(), o.push({
                    value: n,
                    type: i[0].replace(B, " ")
                }), s = s.slice(n.length));
                for (a in r.filter) !(i = V[a].exec(s)) || l[a] && !(i = l[a](i)) || (n = i.shift(), o.push({
                    value: n,
                    type: a,
                    matches: i
                }), s = s.slice(n.length));
                if (!n) break
            }
            return t ? s.length : s ? oe.error(e) : k(e, u).slice(0)
        };

        function ve(e) {
            for (var t = 0, n = e.length, r = ""; t < n; t++) r += e[t].value;
            return r
        }

        function me(e, t, n) {
            var r = t.dir,
                i = t.next,
                o = i || r,
                a = n && "parentNode" === o,
                s = C++;
            return t.first ? function(t, n, i) {
                while (t = t[r])
                    if (1 === t.nodeType || a) return e(t, n, i);
                return !1
            } : function(t, n, u) {
                var l, c, f, p = [T, s];
                if (u) {
                    while (t = t[r])
                        if ((1 === t.nodeType || a) && e(t, n, u)) return !0
                } else
                    while (t = t[r])
                        if (1 === t.nodeType || a)
                            if (f = t[b] || (t[b] = {}), c = f[t.uniqueID] || (f[t.uniqueID] = {}), i && i === t.nodeName.toLowerCase()) t = t[r] || t;
                            else {
                                if ((l = c[o]) && l[0] === T && l[1] === s) return p[2] = l[2];
                                if (c[o] = p, p[2] = e(t, n, u)) return !0
                            } return !1
            }
        }

        function xe(e) {
            return e.length > 1 ? function(t, n, r) {
                var i = e.length;
                while (i--)
                    if (!e[i](t, n, r)) return !1;
                return !0
            } : e[0]
        }

        function be(e, t, n) {
            for (var r = 0, i = t.length; r < i; r++) oe(e, t[r], n);
            return n
        }

        function we(e, t, n, r, i) {
            for (var o, a = [], s = 0, u = e.length, l = null != t; s < u; s++)(o = e[s]) && (n && !n(o, r, i) || (a.push(o), l && t.push(s)));
            return a
        }

        function Te(e, t, n, r, i, o) {
            return r && !r[b] && (r = Te(r)), i && !i[b] && (i = Te(i, o)), se(function(o, a, s, u) {
                var l, c, f, p = [],
                    d = [],
                    h = a.length,
                    g = o || be(t || "*", s.nodeType ? [s] : s, []),
                    y = !e || !o && t ? g : we(g, p, e, s, u),
                    v = n ? i || (o ? e : h || r) ? [] : a : y;
                if (n && n(y, v, s, u), r) {
                    l = we(v, d), r(l, [], s, u), c = l.length;
                    while (c--)(f = l[c]) && (v[d[c]] = !(y[d[c]] = f))
                }
                if (o) {
                    if (i || e) {
                        if (i) {
                            l = [], c = v.length;
                            while (c--)(f = v[c]) && l.push(y[c] = f);
                            i(null, v = [], l, u)
                        }
                        c = v.length;
                        while (c--)(f = v[c]) && (l = i ? O(o, f) : p[c]) > -1 && (o[l] = !(a[l] = f))
                    }
                } else v = we(v === a ? v.splice(h, v.length) : v), i ? i(null, a, v, u) : L.apply(a, v)
            })
        }

        function Ce(e) {
            for (var t, n, i, o = e.length, a = r.relative[e[0].type], s = a || r.relative[" "], u = a ? 1 : 0, c = me(function(e) {
                    return e === t
                }, s, !0), f = me(function(e) {
                    return O(t, e) > -1
                }, s, !0), p = [function(e, n, r) {
                    var i = !a && (r || n !== l) || ((t = n).nodeType ? c(e, n, r) : f(e, n, r));
                    return t = null, i
                }]; u < o; u++)
                if (n = r.relative[e[u].type]) p = [me(xe(p), n)];
                else {
                    if ((n = r.filter[e[u].type].apply(null, e[u].matches))[b]) {
                        for (i = ++u; i < o; i++)
                            if (r.relative[e[i].type]) break;
                        return Te(u > 1 && xe(p), u > 1 && ve(e.slice(0, u - 1).concat({
                            value: " " === e[u - 2].type ? "*" : ""
                        })).replace(B, "$1"), n, u < i && Ce(e.slice(u, i)), i < o && Ce(e = e.slice(i)), i < o && ve(e))
                    }
                    p.push(n)
                } return xe(p)
        }

        function Ee(e, t) {
            var n = t.length > 0,
                i = e.length > 0,
                o = function(o, a, s, u, c) {
                    var f, h, y, v = 0,
                        m = "0",
                        x = o && [],
                        b = [],
                        w = l,
                        C = o || i && r.find.TAG("*", c),
                        E = T += null == w ? 1 : Math.random() || .1,
                        k = C.length;
                    for (c && (l = a === d || a || c); m !== k && null != (f = C[m]); m++) {
                        if (i && f) {
                            h = 0, a || f.ownerDocument === d || (p(f), s = !g);
                            while (y = e[h++])
                                if (y(f, a || d, s)) {
                                    u.push(f);
                                    break
                                } c && (T = E)
                        }
                        n && ((f = !y && f) && v--, o && x.push(f))
                    }
                    if (v += m, n && m !== v) {
                        h = 0;
                        while (y = t[h++]) y(x, b, a, s);
                        if (o) {
                            if (v > 0)
                                while (m--) x[m] || b[m] || (b[m] = j.call(u));
                            b = we(b)
                        }
                        L.apply(u, b), c && !o && b.length > 0 && v + t.length > 1 && oe.uniqueSort(u)
                    }
                    return c && (T = E, l = w), x
                };
            return n ? se(o) : o
        }
        return s = oe.compile = function(e, t) {
            var n, r = [],
                i = [],
                o = S[e + " "];
            if (!o) {
                t || (t = a(e)), n = t.length;
                while (n--)(o = Ce(t[n]))[b] ? r.push(o) : i.push(o);
                (o = S(e, Ee(i, r))).selector = e
            }
            return o
        }, u = oe.select = function(e, t, n, i) {
            var o, u, l, c, f, p = "function" == typeof e && e,
                d = !i && a(e = p.selector || e);
            if (n = n || [], 1 === d.length) {
                if ((u = d[0] = d[0].slice(0)).length > 2 && "ID" === (l = u[0]).type && 9 === t.nodeType && g && r.relative[u[1].type]) {
                    if (!(t = (r.find.ID(l.matches[0].replace(Z, ee), t) || [])[0])) return n;
                    p && (t = t.parentNode), e = e.slice(u.shift().value.length)
                }
                o = V.needsContext.test(e) ? 0 : u.length;
                while (o--) {
                    if (l = u[o], r.relative[c = l.type]) break;
                    if ((f = r.find[c]) && (i = f(l.matches[0].replace(Z, ee), K.test(u[0].type) && ge(t.parentNode) || t))) {
                        if (u.splice(o, 1), !(e = i.length && ve(u))) return L.apply(n, i), n;
                        break
                    }
                }
            }
            return (p || s(e, d))(i, t, !g, n, !t || K.test(e) && ge(t.parentNode) || t), n
        }, n.sortStable = b.split("").sort(D).join("") === b, n.detectDuplicates = !!f, p(), n.sortDetached = ue(function(e) {
            return 1 & e.compareDocumentPosition(d.createElement("fieldset"))
        }), ue(function(e) {
            return e.innerHTML = "<a href='#'></a>", "#" === e.firstChild.getAttribute("href")
        }) || le("type|href|height|width", function(e, t, n) {
            if (!n) return e.getAttribute(t, "type" === t.toLowerCase() ? 1 : 2)
        }), n.attributes && ue(function(e) {
            return e.innerHTML = "<input/>", e.firstChild.setAttribute("value", ""), "" === e.firstChild.getAttribute("value")
        }) || le("value", function(e, t, n) {
            if (!n && "input" === e.nodeName.toLowerCase()) return e.defaultValue
        }), ue(function(e) {
            return null == e.getAttribute("disabled")
        }) || le(P, function(e, t, n) {
            var r;
            if (!n) return !0 === e[t] ? t.toLowerCase() : (r = e.getAttributeNode(t)) && r.specified ? r.value : null
        }), oe
    }(e);
    w.find = E, w.expr = E.selectors, w.expr[":"] = w.expr.pseudos, w.uniqueSort = w.unique = E.uniqueSort, w.text = E.getText, w.isXMLDoc = E.isXML, w.contains = E.contains, w.escapeSelector = E.escape;
    var k = function(e, t, n) {
            var r = [],
                i = void 0 !== n;
            while ((e = e[t]) && 9 !== e.nodeType)
                if (1 === e.nodeType) {
                    if (i && w(e).is(n)) break;
                    r.push(e)
                } return r
        },
        S = function(e, t) {
            for (var n = []; e; e = e.nextSibling) 1 === e.nodeType && e !== t && n.push(e);
            return n
        },
        D = w.expr.match.needsContext;

    function N(e, t) {
        return e.nodeName && e.nodeName.toLowerCase() === t.toLowerCase()
    }
    var A = /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i;

    function j(e, t, n) {
        return g(t) ? w.grep(e, function(e, r) {
            return !!t.call(e, r, e) !== n
        }) : t.nodeType ? w.grep(e, function(e) {
            return e === t !== n
        }) : "string" != typeof t ? w.grep(e, function(e) {
            return u.call(t, e) > -1 !== n
        }) : w.filter(t, e, n)
    }
    w.filter = function(e, t, n) {
        var r = t[0];
        return n && (e = ":not(" + e + ")"), 1 === t.length && 1 === r.nodeType ? w.find.matchesSelector(r, e) ? [r] : [] : w.find.matches(e, w.grep(t, function(e) {
            return 1 === e.nodeType
        }))
    }, w.fn.extend({
        find: function(e) {
            var t, n, r = this.length,
                i = this;
            if ("string" != typeof e) return this.pushStack(w(e).filter(function() {
                for (t = 0; t < r; t++)
                    if (w.contains(i[t], this)) return !0
            }));
            for (n = this.pushStack([]), t = 0; t < r; t++) w.find(e, i[t], n);
            return r > 1 ? w.uniqueSort(n) : n
        },
        filter: function(e) {
            return this.pushStack(j(this, e || [], !1))
        },
        not: function(e) {
            return this.pushStack(j(this, e || [], !0))
        },
        is: function(e) {
            return !!j(this, "string" == typeof e && D.test(e) ? w(e) : e || [], !1).length
        }
    });
    var q, L = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/;
    (w.fn.init = function(e, t, n) {
        var i, o;
        if (!e) return this;
        if (n = n || q, "string" == typeof e) {
            if (!(i = "<" === e[0] && ">" === e[e.length - 1] && e.length >= 3 ? [null, e, null] : L.exec(e)) || !i[1] && t) return !t || t.jquery ? (t || n).find(e) : this.constructor(t).find(e);
            if (i[1]) {
                if (t = t instanceof w ? t[0] : t, w.merge(this, w.parseHTML(i[1], t && t.nodeType ? t.ownerDocument || t : r, !0)), A.test(i[1]) && w.isPlainObject(t))
                    for (i in t) g(this[i]) ? this[i](t[i]) : this.attr(i, t[i]);
                return this
            }
            return (o = r.getElementById(i[2])) && (this[0] = o, this.length = 1), this
        }
        return e.nodeType ? (this[0] = e, this.length = 1, this) : g(e) ? void 0 !== n.ready ? n.ready(e) : e(w) : w.makeArray(e, this)
    }).prototype = w.fn, q = w(r);
    var H = /^(?:parents|prev(?:Until|All))/,
        O = {
            children: !0,
            contents: !0,
            next: !0,
            prev: !0
        };
    w.fn.extend({
        has: function(e) {
            var t = w(e, this),
                n = t.length;
            return this.filter(function() {
                for (var e = 0; e < n; e++)
                    if (w.contains(this, t[e])) return !0
            })
        },
        closest: function(e, t) {
            var n, r = 0,
                i = this.length,
                o = [],
                a = "string" != typeof e && w(e);
            if (!D.test(e))
                for (; r < i; r++)
                    for (n = this[r]; n && n !== t; n = n.parentNode)
                        if (n.nodeType < 11 && (a ? a.index(n) > -1 : 1 === n.nodeType && w.find.matchesSelector(n, e))) {
                            o.push(n);
                            break
                        } return this.pushStack(o.length > 1 ? w.uniqueSort(o) : o)
        },
        index: function(e) {
            return e ? "string" == typeof e ? u.call(w(e), this[0]) : u.call(this, e.jquery ? e[0] : e) : this[0] && this[0].parentNode ? this.first().prevAll().length : -1
        },
        add: function(e, t) {
            return this.pushStack(w.uniqueSort(w.merge(this.get(), w(e, t))))
        },
        addBack: function(e) {
            return this.add(null == e ? this.prevObject : this.prevObject.filter(e))
        }
    });

    function P(e, t) {
        while ((e = e[t]) && 1 !== e.nodeType);
        return e
    }
    w.each({
        parent: function(e) {
            var t = e.parentNode;
            return t && 11 !== t.nodeType ? t : null
        },
        parents: function(e) {
            return k(e, "parentNode")
        },
        parentsUntil: function(e, t, n) {
            return k(e, "parentNode", n)
        },
        next: function(e) {
            return P(e, "nextSibling")
        },
        prev: function(e) {
            return P(e, "previousSibling")
        },
        nextAll: function(e) {
            return k(e, "nextSibling")
        },
        prevAll: function(e) {
            return k(e, "previousSibling")
        },
        nextUntil: function(e, t, n) {
            return k(e, "nextSibling", n)
        },
        prevUntil: function(e, t, n) {
            return k(e, "previousSibling", n)
        },
        siblings: function(e) {
            return S((e.parentNode || {}).firstChild, e)
        },
        children: function(e) {
            return S(e.firstChild)
        },
        contents: function(e) {
            return N(e, "iframe") ? e.contentDocument : (N(e, "template") && (e = e.content || e), w.merge([], e.childNodes))
        }
    }, function(e, t) {
        w.fn[e] = function(n, r) {
            var i = w.map(this, t, n);
            return "Until" !== e.slice(-5) && (r = n), r && "string" == typeof r && (i = w.filter(r, i)), this.length > 1 && (O[e] || w.uniqueSort(i), H.test(e) && i.reverse()), this.pushStack(i)
        }
    });
    var M = /[^\x20\t\r\n\f]+/g;

    function R(e) {
        var t = {};
        return w.each(e.match(M) || [], function(e, n) {
            t[n] = !0
        }), t
    }
    w.Callbacks = function(e) {
        e = "string" == typeof e ? R(e) : w.extend({}, e);
        var t, n, r, i, o = [],
            a = [],
            s = -1,
            u = function() {
                for (i = i || e.once, r = t = !0; a.length; s = -1) {
                    n = a.shift();
                    while (++s < o.length) !1 === o[s].apply(n[0], n[1]) && e.stopOnFalse && (s = o.length, n = !1)
                }
                e.memory || (n = !1), t = !1, i && (o = n ? [] : "")
            },
            l = {
                add: function() {
                    return o && (n && !t && (s = o.length - 1, a.push(n)), function t(n) {
                        w.each(n, function(n, r) {
                            g(r) ? e.unique && l.has(r) || o.push(r) : r && r.length && "string" !== x(r) && t(r)
                        })
                    }(arguments), n && !t && u()), this
                },
                remove: function() {
                    return w.each(arguments, function(e, t) {
                        var n;
                        while ((n = w.inArray(t, o, n)) > -1) o.splice(n, 1), n <= s && s--
                    }), this
                },
                has: function(e) {
                    return e ? w.inArray(e, o) > -1 : o.length > 0
                },
                empty: function() {
                    return o && (o = []), this
                },
                disable: function() {
                    return i = a = [], o = n = "", this
                },
                disabled: function() {
                    return !o
                },
                lock: function() {
                    return i = a = [], n || t || (o = n = ""), this
                },
                locked: function() {
                    return !!i
                },
                fireWith: function(e, n) {
                    return i || (n = [e, (n = n || []).slice ? n.slice() : n], a.push(n), t || u()), this
                },
                fire: function() {
                    return l.fireWith(this, arguments), this
                },
                fired: function() {
                    return !!r
                }
            };
        return l
    };

    function I(e) {
        return e
    }

    function W(e) {
        throw e
    }

    function $(e, t, n, r) {
        var i;
        try {
            e && g(i = e.promise) ? i.call(e).done(t).fail(n) : e && g(i = e.then) ? i.call(e, t, n) : t.apply(void 0, [e].slice(r))
        } catch (e) {
            n.apply(void 0, [e])
        }
    }
    w.extend({
        Deferred: function(t) {
            var n = [
                    ["notify", "progress", w.Callbacks("memory"), w.Callbacks("memory"), 2],
                    ["resolve", "done", w.Callbacks("once memory"), w.Callbacks("once memory"), 0, "resolved"],
                    ["reject", "fail", w.Callbacks("once memory"), w.Callbacks("once memory"), 1, "rejected"]
                ],
                r = "pending",
                i = {
                    state: function() {
                        return r
                    },
                    always: function() {
                        return o.done(arguments).fail(arguments), this
                    },
                    "catch": function(e) {
                        return i.then(null, e)
                    },
                    pipe: function() {
                        var e = arguments;
                        return w.Deferred(function(t) {
                            w.each(n, function(n, r) {
                                var i = g(e[r[4]]) && e[r[4]];
                                o[r[1]](function() {
                                    var e = i && i.apply(this, arguments);
                                    e && g(e.promise) ? e.promise().progress(t.notify).done(t.resolve).fail(t.reject) : t[r[0] + "With"](this, i ? [e] : arguments)
                                })
                            }), e = null
                        }).promise()
                    },
                    then: function(t, r, i) {
                        var o = 0;

                        function a(t, n, r, i) {
                            return function() {
                                var s = this,
                                    u = arguments,
                                    l = function() {
                                        var e, l;
                                        if (!(t < o)) {
                                            if ((e = r.apply(s, u)) === n.promise()) throw new TypeError("Thenable self-resolution");
                                            l = e && ("object" == typeof e || "function" == typeof e) && e.then, g(l) ? i ? l.call(e, a(o, n, I, i), a(o, n, W, i)) : (o++, l.call(e, a(o, n, I, i), a(o, n, W, i), a(o, n, I, n.notifyWith))) : (r !== I && (s = void 0, u = [e]), (i || n.resolveWith)(s, u))
                                        }
                                    },
                                    c = i ? l : function() {
                                        try {
                                            l()
                                        } catch (e) {
                                            w.Deferred.exceptionHook && w.Deferred.exceptionHook(e, c.stackTrace), t + 1 >= o && (r !== W && (s = void 0, u = [e]), n.rejectWith(s, u))
                                        }
                                    };
                                t ? c() : (w.Deferred.getStackHook && (c.stackTrace = w.Deferred.getStackHook()), e.setTimeout(c))
                            }
                        }
                        return w.Deferred(function(e) {
                            n[0][3].add(a(0, e, g(i) ? i : I, e.notifyWith)), n[1][3].add(a(0, e, g(t) ? t : I)), n[2][3].add(a(0, e, g(r) ? r : W))
                        }).promise()
                    },
                    promise: function(e) {
                        return null != e ? w.extend(e, i) : i
                    }
                },
                o = {};
            return w.each(n, function(e, t) {
                var a = t[2],
                    s = t[5];
                i[t[1]] = a.add, s && a.add(function() {
                    r = s
                }, n[3 - e][2].disable, n[3 - e][3].disable, n[0][2].lock, n[0][3].lock), a.add(t[3].fire), o[t[0]] = function() {
                    return o[t[0] + "With"](this === o ? void 0 : this, arguments), this
                }, o[t[0] + "With"] = a.fireWith
            }), i.promise(o), t && t.call(o, o), o
        },
        when: function(e) {
            var t = arguments.length,
                n = t,
                r = Array(n),
                i = o.call(arguments),
                a = w.Deferred(),
                s = function(e) {
                    return function(n) {
                        r[e] = this, i[e] = arguments.length > 1 ? o.call(arguments) : n, --t || a.resolveWith(r, i)
                    }
                };
            if (t <= 1 && ($(e, a.done(s(n)).resolve, a.reject, !t), "pending" === a.state() || g(i[n] && i[n].then))) return a.then();
            while (n--) $(i[n], s(n), a.reject);
            return a.promise()
        }
    });
    var B = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
    w.Deferred.exceptionHook = function(t, n) {
        e.console && e.console.warn && t && B.test(t.name) && e.console.warn("jQuery.Deferred exception: " + t.message, t.stack, n)
    }, w.readyException = function(t) {
        e.setTimeout(function() {
            throw t
        })
    };
    var F = w.Deferred();
    w.fn.ready = function(e) {
        return F.then(e)["catch"](function(e) {
            w.readyException(e)
        }), this
    }, w.extend({
        isReady: !1,
        readyWait: 1,
        ready: function(e) {
            (!0 === e ? --w.readyWait : w.isReady) || (w.isReady = !0, !0 !== e && --w.readyWait > 0 || F.resolveWith(r, [w]))
        }
    }), w.ready.then = F.then;

    function _() {
        r.removeEventListener("DOMContentLoaded", _), e.removeEventListener("load", _), w.ready()
    }
    "complete" === r.readyState || "loading" !== r.readyState && !r.documentElement.doScroll ? e.setTimeout(w.ready) : (r.addEventListener("DOMContentLoaded", _), e.addEventListener("load", _));
    var z = function(e, t, n, r, i, o, a) {
            var s = 0,
                u = e.length,
                l = null == n;
            if ("object" === x(n)) {
                i = !0;
                for (s in n) z(e, t, s, n[s], !0, o, a)
            } else if (void 0 !== r && (i = !0, g(r) || (a = !0), l && (a ? (t.call(e, r), t = null) : (l = t, t = function(e, t, n) {
                    return l.call(w(e), n)
                })), t))
                for (; s < u; s++) t(e[s], n, a ? r : r.call(e[s], s, t(e[s], n)));
            return i ? e : l ? t.call(e) : u ? t(e[0], n) : o
        },
        X = /^-ms-/,
        U = /-([a-z])/g;

    function V(e, t) {
        return t.toUpperCase()
    }

    function G(e) {
        return e.replace(X, "ms-").replace(U, V)
    }
    var Y = function(e) {
        return 1 === e.nodeType || 9 === e.nodeType || !+e.nodeType
    };

    function Q() {
        this.expando = w.expando + Q.uid++
    }
    Q.uid = 1, Q.prototype = {
        cache: function(e) {
            var t = e[this.expando];
            return t || (t = {}, Y(e) && (e.nodeType ? e[this.expando] = t : Object.defineProperty(e, this.expando, {
                value: t,
                configurable: !0
            }))), t
        },
        set: function(e, t, n) {
            var r, i = this.cache(e);
            if ("string" == typeof t) i[G(t)] = n;
            else
                for (r in t) i[G(r)] = t[r];
            return i
        },
        get: function(e, t) {
            return void 0 === t ? this.cache(e) : e[this.expando] && e[this.expando][G(t)]
        },
        access: function(e, t, n) {
            return void 0 === t || t && "string" == typeof t && void 0 === n ? this.get(e, t) : (this.set(e, t, n), void 0 !== n ? n : t)
        },
        remove: function(e, t) {
            var n, r = e[this.expando];
            if (void 0 !== r) {
                if (void 0 !== t) {
                    n = (t = Array.isArray(t) ? t.map(G) : (t = G(t)) in r ? [t] : t.match(M) || []).length;
                    while (n--) delete r[t[n]]
                }(void 0 === t || w.isEmptyObject(r)) && (e.nodeType ? e[this.expando] = void 0 : delete e[this.expando])
            }
        },
        hasData: function(e) {
            var t = e[this.expando];
            return void 0 !== t && !w.isEmptyObject(t)
        }
    };
    var J = new Q,
        K = new Q,
        Z = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
        ee = /[A-Z]/g;

    function te(e) {
        return "true" === e || "false" !== e && ("null" === e ? null : e === +e + "" ? +e : Z.test(e) ? JSON.parse(e) : e)
    }

    function ne(e, t, n) {
        var r;
        if (void 0 === n && 1 === e.nodeType)
            if (r = "data-" + t.replace(ee, "-$&").toLowerCase(), "string" == typeof(n = e.getAttribute(r))) {
                try {
                    n = te(n)
                } catch (e) {}
                K.set(e, t, n)
            } else n = void 0;
        return n
    }
    w.extend({
        hasData: function(e) {
            return K.hasData(e) || J.hasData(e)
        },
        data: function(e, t, n) {
            return K.access(e, t, n)
        },
        removeData: function(e, t) {
            K.remove(e, t)
        },
        _data: function(e, t, n) {
            return J.access(e, t, n)
        },
        _removeData: function(e, t) {
            J.remove(e, t)
        }
    }), w.fn.extend({
        data: function(e, t) {
            var n, r, i, o = this[0],
                a = o && o.attributes;
            if (void 0 === e) {
                if (this.length && (i = K.get(o), 1 === o.nodeType && !J.get(o, "hasDataAttrs"))) {
                    n = a.length;
                    while (n--) a[n] && 0 === (r = a[n].name).indexOf("data-") && (r = G(r.slice(5)), ne(o, r, i[r]));
                    J.set(o, "hasDataAttrs", !0)
                }
                return i
            }
            return "object" == typeof e ? this.each(function() {
                K.set(this, e)
            }) : z(this, function(t) {
                var n;
                if (o && void 0 === t) {
                    if (void 0 !== (n = K.get(o, e))) return n;
                    if (void 0 !== (n = ne(o, e))) return n
                } else this.each(function() {
                    K.set(this, e, t)
                })
            }, null, t, arguments.length > 1, null, !0)
        },
        removeData: function(e) {
            return this.each(function() {
                K.remove(this, e)
            })
        }
    }), w.extend({
        queue: function(e, t, n) {
            var r;
            if (e) return t = (t || "fx") + "queue", r = J.get(e, t), n && (!r || Array.isArray(n) ? r = J.access(e, t, w.makeArray(n)) : r.push(n)), r || []
        },
        dequeue: function(e, t) {
            t = t || "fx";
            var n = w.queue(e, t),
                r = n.length,
                i = n.shift(),
                o = w._queueHooks(e, t),
                a = function() {
                    w.dequeue(e, t)
                };
            "inprogress" === i && (i = n.shift(), r--), i && ("fx" === t && n.unshift("inprogress"), delete o.stop, i.call(e, a, o)), !r && o && o.empty.fire()
        },
        _queueHooks: function(e, t) {
            var n = t + "queueHooks";
            return J.get(e, n) || J.access(e, n, {
                empty: w.Callbacks("once memory").add(function() {
                    J.remove(e, [t + "queue", n])
                })
            })
        }
    }), w.fn.extend({
        queue: function(e, t) {
            var n = 2;
            return "string" != typeof e && (t = e, e = "fx", n--), arguments.length < n ? w.queue(this[0], e) : void 0 === t ? this : this.each(function() {
                var n = w.queue(this, e, t);
                w._queueHooks(this, e), "fx" === e && "inprogress" !== n[0] && w.dequeue(this, e)
            })
        },
        dequeue: function(e) {
            return this.each(function() {
                w.dequeue(this, e)
            })
        },
        clearQueue: function(e) {
            return this.queue(e || "fx", [])
        },
        promise: function(e, t) {
            var n, r = 1,
                i = w.Deferred(),
                o = this,
                a = this.length,
                s = function() {
                    --r || i.resolveWith(o, [o])
                };
            "string" != typeof e && (t = e, e = void 0), e = e || "fx";
            while (a--)(n = J.get(o[a], e + "queueHooks")) && n.empty && (r++, n.empty.add(s));
            return s(), i.promise(t)
        }
    });
    var re = /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/.source,
        ie = new RegExp("^(?:([+-])=|)(" + re + ")([a-z%]*)$", "i"),
        oe = ["Top", "Right", "Bottom", "Left"],
        ae = function(e, t) {
            return "none" === (e = t || e).style.display || "" === e.style.display && w.contains(e.ownerDocument, e) && "none" === w.css(e, "display")
        },
        se = function(e, t, n, r) {
            var i, o, a = {};
            for (o in t) a[o] = e.style[o], e.style[o] = t[o];
            i = n.apply(e, r || []);
            for (o in t) e.style[o] = a[o];
            return i
        };

    function ue(e, t, n, r) {
        var i, o, a = 20,
            s = r ? function() {
                return r.cur()
            } : function() {
                return w.css(e, t, "")
            },
            u = s(),
            l = n && n[3] || (w.cssNumber[t] ? "" : "px"),
            c = (w.cssNumber[t] || "px" !== l && +u) && ie.exec(w.css(e, t));
        if (c && c[3] !== l) {
            u /= 2, l = l || c[3], c = +u || 1;
            while (a--) w.style(e, t, c + l), (1 - o) * (1 - (o = s() / u || .5)) <= 0 && (a = 0), c /= o;
            c *= 2, w.style(e, t, c + l), n = n || []
        }
        return n && (c = +c || +u || 0, i = n[1] ? c + (n[1] + 1) * n[2] : +n[2], r && (r.unit = l, r.start = c, r.end = i)), i
    }
    var le = {};

    function ce(e) {
        var t, n = e.ownerDocument,
            r = e.nodeName,
            i = le[r];
        return i || (t = n.body.appendChild(n.createElement(r)), i = w.css(t, "display"), t.parentNode.removeChild(t), "none" === i && (i = "block"), le[r] = i, i)
    }

    function fe(e, t) {
        for (var n, r, i = [], o = 0, a = e.length; o < a; o++)(r = e[o]).style && (n = r.style.display, t ? ("none" === n && (i[o] = J.get(r, "display") || null, i[o] || (r.style.display = "")), "" === r.style.display && ae(r) && (i[o] = ce(r))) : "none" !== n && (i[o] = "none", J.set(r, "display", n)));
        for (o = 0; o < a; o++) null != i[o] && (e[o].style.display = i[o]);
        return e
    }
    w.fn.extend({
        show: function() {
            return fe(this, !0)
        },
        hide: function() {
            return fe(this)
        },
        toggle: function(e) {
            return "boolean" == typeof e ? e ? this.show() : this.hide() : this.each(function() {
                ae(this) ? w(this).show() : w(this).hide()
            })
        }
    });
    var pe = /^(?:checkbox|radio)$/i,
        de = /<([a-z][^\/\0>\x20\t\r\n\f]+)/i,
        he = /^$|^module$|\/(?:java|ecma)script/i,
        ge = {
            option: [1, "<select multiple='multiple'>", "</select>"],
            thead: [1, "<table>", "</table>"],
            col: [2, "<table><colgroup>", "</colgroup></table>"],
            tr: [2, "<table><tbody>", "</tbody></table>"],
            td: [3, "<table><tbody><tr>", "</tr></tbody></table>"],
            _default: [0, "", ""]
        };
    ge.optgroup = ge.option, ge.tbody = ge.tfoot = ge.colgroup = ge.caption = ge.thead, ge.th = ge.td;

    function ye(e, t) {
        var n;
        return n = "undefined" != typeof e.getElementsByTagName ? e.getElementsByTagName(t || "*") : "undefined" != typeof e.querySelectorAll ? e.querySelectorAll(t || "*") : [], void 0 === t || t && N(e, t) ? w.merge([e], n) : n
    }

    function ve(e, t) {
        for (var n = 0, r = e.length; n < r; n++) J.set(e[n], "globalEval", !t || J.get(t[n], "globalEval"))
    }
    var me = /<|&#?\w+;/;

    function xe(e, t, n, r, i) {
        for (var o, a, s, u, l, c, f = t.createDocumentFragment(), p = [], d = 0, h = e.length; d < h; d++)
            if ((o = e[d]) || 0 === o)
                if ("object" === x(o)) w.merge(p, o.nodeType ? [o] : o);
                else if (me.test(o)) {
            a = a || f.appendChild(t.createElement("div")), s = (de.exec(o) || ["", ""])[1].toLowerCase(), u = ge[s] || ge._default, a.innerHTML = u[1] + w.htmlPrefilter(o) + u[2], c = u[0];
            while (c--) a = a.lastChild;
            w.merge(p, a.childNodes), (a = f.firstChild).textContent = ""
        } else p.push(t.createTextNode(o));
        f.textContent = "", d = 0;
        while (o = p[d++])
            if (r && w.inArray(o, r) > -1) i && i.push(o);
            else if (l = w.contains(o.ownerDocument, o), a = ye(f.appendChild(o), "script"), l && ve(a), n) {
            c = 0;
            while (o = a[c++]) he.test(o.type || "") && n.push(o)
        }
        return f
    }! function() {
        var e = r.createDocumentFragment().appendChild(r.createElement("div")),
            t = r.createElement("input");
        t.setAttribute("type", "radio"), t.setAttribute("checked", "checked"), t.setAttribute("name", "t"), e.appendChild(t), h.checkClone = e.cloneNode(!0).cloneNode(!0).lastChild.checked, e.innerHTML = "<textarea>x</textarea>", h.noCloneChecked = !!e.cloneNode(!0).lastChild.defaultValue
    }();
    var be = r.documentElement,
        we = /^key/,
        Te = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
        Ce = /^([^.]*)(?:\.(.+)|)/;

    function Ee() {
        return !0
    }

    function ke() {
        return !1
    }

    function Se() {
        try {
            return r.activeElement
        } catch (e) {}
    }

    function De(e, t, n, r, i, o) {
        var a, s;
        if ("object" == typeof t) {
            "string" != typeof n && (r = r || n, n = void 0);
            for (s in t) De(e, s, n, r, t[s], o);
            return e
        }
        if (null == r && null == i ? (i = n, r = n = void 0) : null == i && ("string" == typeof n ? (i = r, r = void 0) : (i = r, r = n, n = void 0)), !1 === i) i = ke;
        else if (!i) return e;
        return 1 === o && (a = i, (i = function(e) {
            return w().off(e), a.apply(this, arguments)
        }).guid = a.guid || (a.guid = w.guid++)), e.each(function() {
            w.event.add(this, t, i, r, n)
        })
    }
    w.event = {
        global: {},
        add: function(e, t, n, r, i) {
            var o, a, s, u, l, c, f, p, d, h, g, y = J.get(e);
            if (y) {
                n.handler && (n = (o = n).handler, i = o.selector), i && w.find.matchesSelector(be, i), n.guid || (n.guid = w.guid++), (u = y.events) || (u = y.events = {}), (a = y.handle) || (a = y.handle = function(t) {
                    return "undefined" != typeof w && w.event.triggered !== t.type ? w.event.dispatch.apply(e, arguments) : void 0
                }), l = (t = (t || "").match(M) || [""]).length;
                while (l--) d = g = (s = Ce.exec(t[l]) || [])[1], h = (s[2] || "").split(".").sort(), d && (f = w.event.special[d] || {}, d = (i ? f.delegateType : f.bindType) || d, f = w.event.special[d] || {}, c = w.extend({
                    type: d,
                    origType: g,
                    data: r,
                    handler: n,
                    guid: n.guid,
                    selector: i,
                    needsContext: i && w.expr.match.needsContext.test(i),
                    namespace: h.join(".")
                }, o), (p = u[d]) || ((p = u[d] = []).delegateCount = 0, f.setup && !1 !== f.setup.call(e, r, h, a) || e.addEventListener && e.addEventListener(d, a)), f.add && (f.add.call(e, c), c.handler.guid || (c.handler.guid = n.guid)), i ? p.splice(p.delegateCount++, 0, c) : p.push(c), w.event.global[d] = !0)
            }
        },
        remove: function(e, t, n, r, i) {
            var o, a, s, u, l, c, f, p, d, h, g, y = J.hasData(e) && J.get(e);
            if (y && (u = y.events)) {
                l = (t = (t || "").match(M) || [""]).length;
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                    if (s = Ce.exec(t[l]) || [], d = g = s[1], h = (s[2] || "").split(".").sort(), d) {
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                        while (o--) c = p[o], !i && g !== c.origType || n && n.guid !== c.guid || s && !s.test(c.namespace) || r && r !== c.selector && ("**" !== r || !c.selector) || (p.splice(o, 1), c.selector && p.delegateCount--, f.remove && f.remove.call(e, c));
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                    } else
                        for (d in u) w.event.remove(e, d + t[l], n, r, !0);
                w.isEmptyObject(u) && J.remove(e, "handle events")
            }
        },
        dispatch: function(e) {
            var t = w.event.fix(e),
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                l = (J.get(this, "events") || {})[t.type] || [],
                c = w.event.special[t.type] || {};
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            if (t.delegateTarget = this, !c.preDispatch || !1 !== c.preDispatch.call(this, t)) {
                s = w.event.handlers.call(this, t, l), n = 0;
                while ((o = s[n++]) && !t.isPropagationStopped()) {
                    t.currentTarget = o.elem, r = 0;
                    while ((a = o.handlers[r++]) && !t.isImmediatePropagationStopped()) t.rnamespace && !t.rnamespace.test(a.namespace) || (t.handleObj = a, t.data = a.data, void 0 !== (i = ((w.event.special[a.origType] || {}).handle || a.handler).apply(o.elem, u)) && !1 === (t.result = i) && (t.preventDefault(), t.stopPropagation()))
                }
                return c.postDispatch && c.postDispatch.call(this, t), t.result
            }
        },
        handlers: function(e, t) {
            var n, r, i, o, a, s = [],
                u = t.delegateCount,
                l = e.target;
            if (u && l.nodeType && !("click" === e.type && e.button >= 1))
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                    if (1 === l.nodeType && ("click" !== e.type || !0 !== l.disabled)) {
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                            elem: l,
                            handlers: o
                        })
                    } return l = this, u < t.length && s.push({
                elem: l,
                handlers: t.slice(u)
            }), s
        },
        addProp: function(e, t) {
            Object.defineProperty(w.Event.prototype, e, {
                enumerable: !0,
                configurable: !0,
                get: g(t) ? function() {
                    if (this.originalEvent) return t(this.originalEvent)
                } : function() {
                    if (this.originalEvent) return this.originalEvent[e]
                },
                set: function(t) {
                    Object.defineProperty(this, e, {
                        enumerable: !0,
                        configurable: !0,
                        writable: !0,
                        value: t
                    })
                }
            })
        },
        fix: function(e) {
            return e[w.expando] ? e : new w.Event(e)
        },
        special: {
            load: {
                noBubble: !0
            },
            focus: {
                trigger: function() {
                    if (this !== Se() && this.focus) return this.focus(), !1
                },
                delegateType: "focusin"
            },
            blur: {
                trigger: function() {
                    if (this === Se() && this.blur) return this.blur(), !1
                },
                delegateType: "focusout"
            },
            click: {
                trigger: function() {
                    if ("checkbox" === this.type && this.click && N(this, "input")) return this.click(), !1
                },
                _default: function(e) {
                    return N(e.target, "a")
                }
            },
            beforeunload: {
                postDispatch: function(e) {
                    void 0 !== e.result && e.originalEvent && (e.originalEvent.returnValue = e.result)
                }
            }
        }
    }, w.removeEvent = function(e, t, n) {
        e.removeEventListener && e.removeEventListener(t, n)
    }, w.Event = function(e, t) {
        if (!(this instanceof w.Event)) return new w.Event(e, t);
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    }, w.Event.prototype = {
        constructor: w.Event,
        isDefaultPrevented: ke,
        isPropagationStopped: ke,
        isImmediatePropagationStopped: ke,
        isSimulated: !1,
        preventDefault: function() {
            var e = this.originalEvent;
            this.isDefaultPrevented = Ee, e && !this.isSimulated && e.preventDefault()
        },
        stopPropagation: function() {
            var e = this.originalEvent;
            this.isPropagationStopped = Ee, e && !this.isSimulated && e.stopPropagation()
        },
        stopImmediatePropagation: function() {
            var e = this.originalEvent;
            this.isImmediatePropagationStopped = Ee, e && !this.isSimulated && e.stopImmediatePropagation(), this.stopPropagation()
        }
    }, w.each({
        altKey: !0,
        bubbles: !0,
        cancelable: !0,
        changedTouches: !0,
        ctrlKey: !0,
        detail: !0,
        eventPhase: !0,
        metaKey: !0,
        pageX: !0,
        pageY: !0,
        shiftKey: !0,
        view: !0,
        "char": !0,
        charCode: !0,
        key: !0,
        keyCode: !0,
        button: !0,
        buttons: !0,
        clientX: !0,
        clientY: !0,
        offsetX: !0,
        offsetY: !0,
        pointerId: !0,
        pointerType: !0,
        screenX: !0,
        screenY: !0,
        targetTouches: !0,
        toElement: !0,
        touches: !0,
        which: function(e) {
            var t = e.button;
            return null == e.which && we.test(e.type) ? null != e.charCode ? e.charCode : e.keyCode : !e.which && void 0 !== t && Te.test(e.type) ? 1 & t ? 1 : 2 & t ? 3 : 4 & t ? 2 : 0 : e.which
        }
    }, w.event.addProp), w.each({
        mouseenter: "mouseover",
        mouseleave: "mouseout",
        pointerenter: "pointerover",
        pointerleave: "pointerout"
    }, function(e, t) {
        w.event.special[e] = {
            delegateType: t,
            bindType: t,
            handle: function(e) {
                var n, r = this,
                    i = e.relatedTarget,
                    o = e.handleObj;
                return i && (i === r || w.contains(r, i)) || (e.type = o.origType, n = o.handler.apply(this, arguments), e.type = t), n
            }
        }
    }), w.fn.extend({
        on: function(e, t, n, r) {
            return De(this, e, t, n, r)
        },
        one: function(e, t, n, r) {
            return De(this, e, t, n, r, 1)
        },
        off: function(e, t, n) {
            var r, i;
            if (e && e.preventDefault && e.handleObj) return r = e.handleObj, w(e.delegateTarget).off(r.namespace ? r.origType + "." + r.namespace : r.origType, r.selector, r.handler), this;
            if ("object" == typeof e) {
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                return this
            }
            return !1 !== t && "function" != typeof t || (n = t, t = void 0), !1 === n && (n = ke), this.each(function() {
                w.event.remove(this, e, n, t)
            })
        }
    });
    var Ne = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
        Ae = /<script|<style|<link/i,
        je = /checked\s*(?:[^=]|=\s*.checked.)/i,
        qe = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;

    function Le(e, t) {
        return N(e, "table") && N(11 !== t.nodeType ? t : t.firstChild, "tr") ? w(e).children("tbody")[0] || e : e
    }

    function He(e) {
        return e.type = (null !== e.getAttribute("type")) + "/" + e.type, e
    }

    function Oe(e) {
        return "true/" === (e.type || "").slice(0, 5) ? e.type = e.type.slice(5) : e.removeAttribute("type"), e
    }

    function Pe(e, t) {
        var n, r, i, o, a, s, u, l;
        if (1 === t.nodeType) {
            if (J.hasData(e) && (o = J.access(e), a = J.set(t, o), l = o.events)) {
                delete a.handle, a.events = {};
                for (i in l)
                    for (n = 0, r = l[i].length; n < r; n++) w.event.add(t, i, l[i][n])
            }
            K.hasData(e) && (s = K.access(e), u = w.extend({}, s), K.set(t, u))
        }
    }

    function Me(e, t) {
        var n = t.nodeName.toLowerCase();
        "input" === n && pe.test(e.type) ? t.checked = e.checked : "input" !== n && "textarea" !== n || (t.defaultValue = e.defaultValue)
    }

    function Re(e, t, n, r) {
        t = a.apply([], t);
        var i, o, s, u, l, c, f = 0,
            p = e.length,
            d = p - 1,
            y = t[0],
            v = g(y);
        if (v || p > 1 && "string" == typeof y && !h.checkClone && je.test(y)) return e.each(function(i) {
            var o = e.eq(i);
            v && (t[0] = y.call(this, i, o.html())), Re(o, t, n, r)
        });
        if (p && (i = xe(t, e[0].ownerDocument, !1, e, r), o = i.firstChild, 1 === i.childNodes.length && (i = o), o || r)) {
            for (u = (s = w.map(ye(i, "script"), He)).length; f < p; f++) l = i, f !== d && (l = w.clone(l, !0, !0), u && w.merge(s, ye(l, "script"))), n.call(e[f], l, f);
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        }
        return e
    }

    function Ie(e, t, n) {
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        return e
    }
    w.extend({
        htmlPrefilter: function(e) {
            return e.replace(Ne, "<$1></$2>")
        },
        clone: function(e, t, n) {
            var r, i, o, a, s = e.cloneNode(!0),
                u = w.contains(e.ownerDocument, e);
            if (!(h.noCloneChecked || 1 !== e.nodeType && 11 !== e.nodeType || w.isXMLDoc(e)))
                for (a = ye(s), r = 0, i = (o = ye(e)).length; r < i; r++) Me(o[r], a[r]);
            if (t)
                if (n)
                    for (o = o || ye(e), a = a || ye(s), r = 0, i = o.length; r < i; r++) Pe(o[r], a[r]);
                else Pe(e, s);
            return (a = ye(s, "script")).length > 0 && ve(a, !u && ye(e, "script")), s
        },
        cleanData: function(e) {
            for (var t, n, r, i = w.event.special, o = 0; void 0 !== (n = e[o]); o++)
                if (Y(n)) {
                    if (t = n[J.expando]) {
                        if (t.events)
                            for (r in t.events) i[r] ? w.event.remove(n, r) : w.removeEvent(n, r, t.handle);
                        n[J.expando] = void 0
                    }
                    n[K.expando] && (n[K.expando] = void 0)
                }
        }
    }), w.fn.extend({
        detach: function(e) {
            return Ie(this, e, !0)
        },
        remove: function(e) {
            return Ie(this, e)
        },
        text: function(e) {
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                return void 0 === e ? w.text(this) : this.empty().each(function() {
                    1 !== this.nodeType && 11 !== this.nodeType && 9 !== this.nodeType || (this.textContent = e)
                })
            }, null, e, arguments.length)
        },
        append: function() {
            return Re(this, arguments, function(e) {
                1 !== this.nodeType && 11 !== this.nodeType && 9 !== this.nodeType || Le(this, e).appendChild(e)
            })
        },
        prepend: function() {
            return Re(this, arguments, function(e) {
                if (1 === this.nodeType || 11 === this.nodeType || 9 === this.nodeType) {
                    var t = Le(this, e);
                    t.insertBefore(e, t.firstChild)
                }
            })
        },
        before: function() {
            return Re(this, arguments, function(e) {
                this.parentNode && this.parentNode.insertBefore(e, this)
            })
        },
        after: function() {
            return Re(this, arguments, function(e) {
                this.parentNode && this.parentNode.insertBefore(e, this.nextSibling)
            })
        },
        empty: function() {
            for (var e, t = 0; null != (e = this[t]); t++) 1 === e.nodeType && (w.cleanData(ye(e, !1)), e.textContent = "");
            return this
        },
        clone: function(e, t) {
            return e = null != e && e, t = null == t ? e : t, this.map(function() {
                return w.clone(this, e, t)
            })
        },
        html: function(e) {
            return z(this, function(e) {
                var t = this[0] || {},
                    n = 0,
                    r = this.length;
                if (void 0 === e && 1 === t.nodeType) return t.innerHTML;
                if ("string" == typeof e && !Ae.test(e) && !ge[(de.exec(e) || ["", ""])[1].toLowerCase()]) {
                    e = w.htmlPrefilter(e);
                    try {
                        for (; n < r; n++) 1 === (t = this[n] || {}).nodeType && (w.cleanData(ye(t, !1)), t.innerHTML = e);
                        t = 0
                    } catch (e) {}
                }
                t && this.empty().append(e)
            }, null, e, arguments.length)
        },
        replaceWith: function() {
            var e = [];
            return Re(this, arguments, function(t) {
                var n = this.parentNode;
                w.inArray(this, e) < 0 && (w.cleanData(ye(this)), n && n.replaceChild(t, this))
            }, e)
        }
    }), w.each({
        appendTo: "append",
        prependTo: "prepend",
        insertBefore: "before",
        insertAfter: "after",
        replaceAll: "replaceWith"
    }, function(e, t) {
        w.fn[e] = function(e) {
            for (var n, r = [], i = w(e), o = i.length - 1, a = 0; a <= o; a++) n = a === o ? this : this.clone(!0), w(i[a])[t](n), s.apply(r, n.get());
            return this.pushStack(r)
        }
    });
    var We = new RegExp("^(" + re + ")(?!px)[a-z%]+$", "i"),
        $e = function(t) {
            var n = t.ownerDocument.defaultView;
            return n && n.opener || (n = e), n.getComputedStyle(t)
        },
        Be = new RegExp(oe.join("|"), "i");
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        function t() {
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                l.style.cssText = "position:absolute;left:-11111px;width:60px;margin-top:1px;padding:0;border:0", c.style.cssText = "position:relative;display:block;box-sizing:border-box;overflow:scroll;margin:auto;border:1px;padding:1px;width:60%;top:1%", be.appendChild(l).appendChild(c);
                var t = e.getComputedStyle(c);
                i = "1%" !== t.top, u = 12 === n(t.marginLeft), c.style.right = "60%", s = 36 === n(t.right), o = 36 === n(t.width), c.style.position = "absolute", a = 36 === c.offsetWidth || "absolute", be.removeChild(l), c = null
            }
        }

        function n(e) {
            return Math.round(parseFloat(e))
        }
        var i, o, a, s, u, l = r.createElement("div"),
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        c.style && (c.style.backgroundClip = "content-box", c.cloneNode(!0).style.backgroundClip = "", h.clearCloneStyle = "content-box" === c.style.backgroundClip, w.extend(h, {
            boxSizingReliable: function() {
                return t(), o
            },
            pixelBoxStyles: function() {
                return t(), s
            },
            pixelPosition: function() {
                return t(), i
            },
            reliableMarginLeft: function() {
                return t(), u
            },
            scrollboxSize: function() {
                return t(), a
            }
        }))
    }();

    function Fe(e, t, n) {
        var r, i, o, a, s = e.style;
        return (n = n || $e(e)) && ("" !== (a = n.getPropertyValue(t) || n[t]) || w.contains(e.ownerDocument, e) || (a = w.style(e, t)), !h.pixelBoxStyles() && We.test(a) && Be.test(t) && (r = s.width, i = s.minWidth, o = s.maxWidth, s.minWidth = s.maxWidth = s.width = a, a = n.width, s.width = r, s.minWidth = i, s.maxWidth = o)), void 0 !== a ? a + "" : a
    }

    function _e(e, t) {
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            get: function() {
                if (!e()) return (this.get = t).apply(this, arguments);
                delete this.get
            }
        }
    }
    var ze = /^(none|table(?!-c[ea]).+)/,
        Xe = /^--/,
        Ue = {
            position: "absolute",
            visibility: "hidden",
            display: "block"
        },
        Ve = {
            letterSpacing: "0",
            fontWeight: "400"
        },
        Ge = ["Webkit", "Moz", "ms"],
        Ye = r.createElement("div").style;

    function Qe(e) {
        if (e in Ye) return e;
        var t = e[0].toUpperCase() + e.slice(1),
            n = Ge.length;
        while (n--)
            if ((e = Ge[n] + t) in Ye) return e
    }

    function Je(e) {
        var t = w.cssProps[e];
        return t || (t = w.cssProps[e] = Qe(e) || e), t
    }

    function Ke(e, t, n) {
        var r = ie.exec(t);
        return r ? Math.max(0, r[2] - (n || 0)) + (r[3] || "px") : t
    }

    function Ze(e, t, n, r, i, o) {
        var a = "width" === t ? 1 : 0,
            s = 0,
            u = 0;
        if (n === (r ? "border" : "content")) return 0;
        for (; a < 4; a += 2) "margin" === n && (u += w.css(e, n + oe[a], !0, i)), r ? ("content" === n && (u -= w.css(e, "padding" + oe[a], !0, i)), "margin" !== n && (u -= w.css(e, "border" + oe[a] + "Width", !0, i))) : (u += w.css(e, "padding" + oe[a], !0, i), "padding" !== n ? u += w.css(e, "border" + oe[a] + "Width", !0, i) : s += w.css(e, "border" + oe[a] + "Width", !0, i));
        return !r && o >= 0 && (u += Math.max(0, Math.ceil(e["offset" + t[0].toUpperCase() + t.slice(1)] - o - u - s - .5))), u
    }

    function et(e, t, n) {
        var r = $e(e),
            i = Fe(e, t, r),
            o = "border-box" === w.css(e, "boxSizing", !1, r),
            a = o;
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            if (!n) return i;
            i = "auto"
        }
        return a = a && (h.boxSizingReliable() || i === e.style[t]), ("auto" === i || !parseFloat(i) && "inline" === w.css(e, "display", !1, r)) && (i = e["offset" + t[0].toUpperCase() + t.slice(1)], a = !0), (i = parseFloat(i) || 0) + Ze(e, t, n || (o ? "border" : "content"), a, r, i) + "px"
    }
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        cssHooks: {
            opacity: {
                get: function(e, t) {
                    if (t) {
                        var n = Fe(e, "opacity");
                        return "" === n ? "1" : n
                    }
                }
            }
        },
        cssNumber: {
            animationIterationCount: !0,
            columnCount: !0,
            fillOpacity: !0,
            flexGrow: !0,
            flexShrink: !0,
            fontWeight: !0,
            lineHeight: !0,
            opacity: !0,
            order: !0,
            orphans: !0,
            widows: !0,
            zIndex: !0,
            zoom: !0
        },
        cssProps: {},
        style: function(e, t, n, r) {
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                var i, o, a, s = G(t),
                    u = Xe.test(t),
                    l = e.style;
                if (u || (t = Je(s)), a = w.cssHooks[t] || w.cssHooks[s], void 0 === n) return a && "get" in a && void 0 !== (i = a.get(e, !1, r)) ? i : l[t];
                "string" == (o = typeof n) && (i = ie.exec(n)) && i[1] && (n = ue(e, t, i), o = "number"), null != n && n === n && ("number" === o && (n += i && i[3] || (w.cssNumber[s] ? "" : "px")), h.clearCloneStyle || "" !== n || 0 !== t.indexOf("background") || (l[t] = "inherit"), a && "set" in a && void 0 === (n = a.set(e, n, r)) || (u ? l.setProperty(t, n) : l[t] = n))
            }
        },
        css: function(e, t, n, r) {
            var i, o, a, s = G(t);
            return Xe.test(t) || (t = Je(s)), (a = w.cssHooks[t] || w.cssHooks[s]) && "get" in a && (i = a.get(e, !0, n)), void 0 === i && (i = Fe(e, t, r)), "normal" === i && t in Ve && (i = Ve[t]), "" === n || n ? (o = parseFloat(i), !0 === n || isFinite(o) ? o || 0 : i) : i
        }
    }), w.each(["height", "width"], function(e, t) {
        w.cssHooks[t] = {
            get: function(e, n, r) {
                if (n) return !ze.test(w.css(e, "display")) || e.getClientRects().length && e.getBoundingClientRect().width ? et(e, t, r) : se(e, Ue, function() {
                    return et(e, t, r)
                })
            },
            set: function(e, n, r) {
                var i, o = $e(e),
                    a = "border-box" === w.css(e, "boxSizing", !1, o),
                    s = r && Ze(e, t, r, a, o);
                return a && h.scrollboxSize() === o.position && (s -= Math.ceil(e["offset" + t[0].toUpperCase() + t.slice(1)] - parseFloat(o[t]) - Ze(e, t, "border", !1, o) - .5)), s && (i = ie.exec(n)) && "px" !== (i[3] || "px") && (e.style[t] = n, n = w.css(e, t)), Ke(e, n, s)
            }
        }
    }), w.cssHooks.marginLeft = _e(h.reliableMarginLeft, function(e, t) {
        if (t) return (parseFloat(Fe(e, "marginLeft")) || e.getBoundingClientRect().left - se(e, {
            marginLeft: 0
        }, function() {
            return e.getBoundingClientRect().left
        })) + "px"
    }), w.each({
        margin: "",
        padding: "",
        border: "Width"
    }, function(e, t) {
        w.cssHooks[e + t] = {
            expand: function(n) {
                for (var r = 0, i = {}, o = "string" == typeof n ? n.split(" ") : [n]; r < 4; r++) i[e + oe[r] + t] = o[r] || o[r - 2] || o[0];
                return i
            }
        }, "margin" !== e && (w.cssHooks[e + t].set = Ke)
    }), w.fn.extend({
        css: function(e, t) {
            return z(this, function(e, t, n) {
                var r, i, o = {},
                    a = 0;
                if (Array.isArray(t)) {
                    for (r = $e(e), i = t.length; a < i; a++) o[t[a]] = w.css(e, t[a], !1, r);
                    return o
                }
                return void 0 !== n ? w.style(e, t, n) : w.css(e, t)
            }, e, t, arguments.length > 1)
        }
    });

    function tt(e, t, n, r, i) {
        return new tt.prototype.init(e, t, n, r, i)
    }
    w.Tween = tt, tt.prototype = {
        constructor: tt,
        init: function(e, t, n, r, i, o) {
            this.elem = e, this.prop = n, this.easing = i || w.easing._default, this.options = t, this.start = this.now = this.cur(), this.end = r, this.unit = o || (w.cssNumber[n] ? "" : "px")
        },
        cur: function() {
            var e = tt.propHooks[this.prop];
            return e && e.get ? e.get(this) : tt.propHooks._default.get(this)
        },
        run: function(e) {
            var t, n = tt.propHooks[this.prop];
            return this.options.duration ? this.pos = t = w.easing[this.easing](e, this.options.duration * e, 0, 1, this.options.duration) : this.pos = t = e, this.now = (this.end - this.start) * t + this.start, this.options.step && this.options.step.call(this.elem, this.now, this), n && n.set ? n.set(this) : tt.propHooks._default.set(this), this
        }
    }, tt.prototype.init.prototype = tt.prototype, tt.propHooks = {
        _default: {
            get: function(e) {
                var t;
                return 1 !== e.elem.nodeType || null != e.elem[e.prop] && null == e.elem.style[e.prop] ? e.elem[e.prop] : (t = w.css(e.elem, e.prop, "")) && "auto" !== t ? t : 0
            },
            set: function(e) {
                w.fx.step[e.prop] ? w.fx.step[e.prop](e) : 1 !== e.elem.nodeType || null == e.elem.style[w.cssProps[e.prop]] && !w.cssHooks[e.prop] ? e.elem[e.prop] = e.now : w.style(e.elem, e.prop, e.now + e.unit)
            }
        }
    }, tt.propHooks.scrollTop = tt.propHooks.scrollLeft = {
        set: function(e) {
            e.elem.nodeType && e.elem.parentNode && (e.elem[e.prop] = e.now)
        }
    }, w.easing = {
        linear: function(e) {
            return e
        },
        swing: function(e) {
            return .5 - Math.cos(e * Math.PI) / 2
        },
        _default: "swing"
    }, w.fx = tt.prototype.init, w.fx.step = {};
    var nt, rt, it = /^(?:toggle|show|hide)$/,
        ot = /queueHooks$/;

    function at() {
        rt && (!1 === r.hidden && e.requestAnimationFrame ? e.requestAnimationFrame(at) : e.setTimeout(at, w.fx.interval), w.fx.tick())
    }

    function st() {
        return e.setTimeout(function() {
            nt = void 0
        }), nt = Date.now()
    }

    function ut(e, t) {
        var n, r = 0,
            i = {
                height: e
            };
        for (t = t ? 1 : 0; r < 4; r += 2 - t) i["margin" + (n = oe[r])] = i["padding" + n] = e;
        return t && (i.opacity = i.width = e), i
    }

    function lt(e, t, n) {
        for (var r, i = (pt.tweeners[t] || []).concat(pt.tweeners["*"]), o = 0, a = i.length; o < a; o++)
            if (r = i[o].call(n, t, e)) return r
    }

    function ct(e, t, n) {
        var r, i, o, a, s, u, l, c, f = "width" in t || "height" in t,
            p = this,
            d = {},
            h = e.style,
            g = e.nodeType && ae(e),
            y = J.get(e, "fxshow");
        n.queue || (null == (a = w._queueHooks(e, "fx")).unqueued && (a.unqueued = 0, s = a.empty.fire, a.empty.fire = function() {
            a.unqueued || s()
        }), a.unqueued++, p.always(function() {
            p.always(function() {
                a.unqueued--, w.queue(e, "fx").length || a.empty.fire()
            })
        }));
        for (r in t)
            if (i = t[r], it.test(i)) {
                if (delete t[r], o = o || "toggle" === i, i === (g ? "hide" : "show")) {
                    if ("show" !== i || !y || void 0 === y[r]) continue;
                    g = !0
                }
                d[r] = y && y[r] || w.style(e, r)
            } if ((u = !w.isEmptyObject(t)) || !w.isEmptyObject(d)) {
            f && 1 === e.nodeType && (n.overflow = [h.overflow, h.overflowX, h.overflowY], null == (l = y && y.display) && (l = J.get(e, "display")), "none" === (c = w.css(e, "display")) && (l ? c = l : (fe([e], !0), l = e.style.display || l, c = w.css(e, "display"), fe([e]))), ("inline" === c || "inline-block" === c && null != l) && "none" === w.css(e, "float") && (u || (p.done(function() {
                h.display = l
            }), null == l && (c = h.display, l = "none" === c ? "" : c)), h.display = "inline-block")), n.overflow && (h.overflow = "hidden", p.always(function() {
                h.overflow = n.overflow[0], h.overflowX = n.overflow[1], h.overflowY = n.overflow[2]
            })), u = !1;
            for (r in d) u || (y ? "hidden" in y && (g = y.hidden) : y = J.access(e, "fxshow", {
                display: l
            }), o && (y.hidden = !g), g && fe([e], !0), p.done(function() {
                g || fe([e]), J.remove(e, "fxshow");
                for (r in d) w.style(e, r, d[r])
            })), u = lt(g ? y[r] : 0, r, p), r in y || (y[r] = u.start, g && (u.end = u.start, u.start = 0))
        }
    }

    function ft(e, t) {
        var n, r, i, o, a;
        for (n in e)
            if (r = G(n), i = t[r], o = e[n], Array.isArray(o) && (i = o[1], o = e[n] = o[0]), n !== r && (e[r] = o, delete e[n]), (a = w.cssHooks[r]) && "expand" in a) {
                o = a.expand(o), delete e[r];
                for (n in o) n in e || (e[n] = o[n], t[n] = i)
            } else t[r] = i
    }

    function pt(e, t, n) {
        var r, i, o = 0,
            a = pt.prefilters.length,
            s = w.Deferred().always(function() {
                delete u.elem
            }),
            u = function() {
                if (i) return !1;
                for (var t = nt || st(), n = Math.max(0, l.startTime + l.duration - t), r = 1 - (n / l.duration || 0), o = 0, a = l.tweens.length; o < a; o++) l.tweens[o].run(r);
                return s.notifyWith(e, [l, r, n]), r < 1 && a ? n : (a || s.notifyWith(e, [l, 1, 0]), s.resolveWith(e, [l]), !1)
            },
            l = s.promise({
                elem: e,
                props: w.extend({}, t),
                opts: w.extend(!0, {
                    specialEasing: {},
                    easing: w.easing._default
                }, n),
                originalProperties: t,
                originalOptions: n,
                startTime: nt || st(),
                duration: n.duration,
                tweens: [],
                createTween: function(t, n) {
                    var r = w.Tween(e, l.opts, t, n, l.opts.specialEasing[t] || l.opts.easing);
                    return l.tweens.push(r), r
                },
                stop: function(t) {
                    var n = 0,
                        r = t ? l.tweens.length : 0;
                    if (i) return this;
                    for (i = !0; n < r; n++) l.tweens[n].run(1);
                    return t ? (s.notifyWith(e, [l, 1, 0]), s.resolveWith(e, [l, t])) : s.rejectWith(e, [l, t]), this
                }
            }),
            c = l.props;
        for (ft(c, l.opts.specialEasing); o < a; o++)
            if (r = pt.prefilters[o].call(l, e, c, l.opts)) return g(r.stop) && (w._queueHooks(l.elem, l.opts.queue).stop = r.stop.bind(r)), r;
        return w.map(c, lt, l), g(l.opts.start) && l.opts.start.call(e, l), l.progress(l.opts.progress).done(l.opts.done, l.opts.complete).fail(l.opts.fail).always(l.opts.always), w.fx.timer(w.extend(u, {
            elem: e,
            anim: l,
            queue: l.opts.queue
        })), l
    }
    w.Animation = w.extend(pt, {
            tweeners: {
                "*": [function(e, t) {
                    var n = this.createTween(e, t);
                    return ue(n.elem, e, ie.exec(t), n), n
                }]
            },
            tweener: function(e, t) {
                g(e) ? (t = e, e = ["*"]) : e = e.match(M);
                for (var n, r = 0, i = e.length; r < i; r++) n = e[r], pt.tweeners[n] = pt.tweeners[n] || [], pt.tweeners[n].unshift(t)
            },
            prefilters: [ct],
            prefilter: function(e, t) {
                t ? pt.prefilters.unshift(e) : pt.prefilters.push(e)
            }
        }), w.speed = function(e, t, n) {
            var r = e && "object" == typeof e ? w.extend({}, e) : {
                complete: n || !n && t || g(e) && e,
                duration: e,
                easing: n && t || t && !g(t) && t
            };
            return w.fx.off ? r.duration = 0 : "number" != typeof r.duration && (r.duration in w.fx.speeds ? r.duration = w.fx.speeds[r.duration] : r.duration = w.fx.speeds._default), null != r.queue && !0 !== r.queue || (r.queue = "fx"), r.old = r.complete, r.complete = function() {
                g(r.old) && r.old.call(this), r.queue && w.dequeue(this, r.queue)
            }, r
        }, w.fn.extend({
            fadeTo: function(e, t, n, r) {
                return this.filter(ae).css("opacity", 0).show().end().animate({
                    opacity: t
                }, e, n, r)
            },
            animate: function(e, t, n, r) {
                var i = w.isEmptyObject(e),
                    o = w.speed(t, n, r),
                    a = function() {
                        var t = pt(this, w.extend({}, e), o);
                        (i || J.get(this, "finish")) && t.stop(!0)
                    };
                return a.finish = a, i || !1 === o.queue ? this.each(a) : this.queue(o.queue, a)
            },
            stop: function(e, t, n) {
                var r = function(e) {
                    var t = e.stop;
                    delete e.stop, t(n)
                };
                return "string" != typeof e && (n = t, t = e, e = void 0), t && !1 !== e && this.queue(e || "fx", []), this.each(function() {
                    var t = !0,
                        i = null != e && e + "queueHooks",
                        o = w.timers,
                        a = J.get(this);
                    if (i) a[i] && a[i].stop && r(a[i]);
                    else
                        for (i in a) a[i] && a[i].stop && ot.test(i) && r(a[i]);
                    for (i = o.length; i--;) o[i].elem !== this || null != e && o[i].queue !== e || (o[i].anim.stop(n), t = !1, o.splice(i, 1));
                    !t && n || w.dequeue(this, e)
                })
            },
            finish: function(e) {
                return !1 !== e && (e = e || "fx"), this.each(function() {
                    var t, n = J.get(this),
                        r = n[e + "queue"],
                        i = n[e + "queueHooks"],
                        o = w.timers,
                        a = r ? r.length : 0;
                    for (n.finish = !0, w.queue(this, e, []), i && i.stop && i.stop.call(this, !0), t = o.length; t--;) o[t].elem === this && o[t].queue === e && (o[t].anim.stop(!0), o.splice(t, 1));
                    for (t = 0; t < a; t++) r[t] && r[t].finish && r[t].finish.call(this);
                    delete n.finish
                })
            }
        }), w.each(["toggle", "show", "hide"], function(e, t) {
            var n = w.fn[t];
            w.fn[t] = function(e, r, i) {
                return null == e || "boolean" == typeof e ? n.apply(this, arguments) : this.animate(ut(t, !0), e, r, i)
            }
        }), w.each({
            slideDown: ut("show"),
            slideUp: ut("hide"),
            slideToggle: ut("toggle"),
            fadeIn: {
                opacity: "show"
            },
            fadeOut: {
                opacity: "hide"
            },
            fadeToggle: {
                opacity: "toggle"
            }
        }, function(e, t) {
            w.fn[e] = function(e, n, r) {
                return this.animate(t, e, n, r)
            }
        }), w.timers = [], w.fx.tick = function() {
            var e, t = 0,
                n = w.timers;
            for (nt = Date.now(); t < n.length; t++)(e = n[t])() || n[t] !== e || n.splice(t--, 1);
            n.length || w.fx.stop(), nt = void 0
        }, w.fx.timer = function(e) {
            w.timers.push(e), w.fx.start()
        }, w.fx.interval = 13, w.fx.start = function() {
            rt || (rt = !0, at())
        }, w.fx.stop = function() {
            rt = null
        }, w.fx.speeds = {
            slow: 600,
            fast: 200,
            _default: 400
        }, w.fn.delay = function(t, n) {
            return t = w.fx ? w.fx.speeds[t] || t : t, n = n || "fx", this.queue(n, function(n, r) {
                var i = e.setTimeout(n, t);
                r.stop = function() {
                    e.clearTimeout(i)
                }
            })
        },
        function() {
            var e = r.createElement("input"),
                t = r.createElement("select").appendChild(r.createElement("option"));
            e.type = "checkbox", h.checkOn = "" !== e.value, h.optSelected = t.selected, (e = r.createElement("input")).value = "t", e.type = "radio", h.radioValue = "t" === e.value
        }();
    var dt, ht = w.expr.attrHandle;
    w.fn.extend({
        attr: function(e, t) {
            return z(this, w.attr, e, t, arguments.length > 1)
        },
        removeAttr: function(e) {
            return this.each(function() {
                w.removeAttr(this, e)
            })
        }
    }), w.extend({
        attr: function(e, t, n) {
            var r, i, o = e.nodeType;
            if (3 !== o && 8 !== o && 2 !== o) return "undefined" == typeof e.getAttribute ? w.prop(e, t, n) : (1 === o && w.isXMLDoc(e) || (i = w.attrHooks[t.toLowerCase()] || (w.expr.match.bool.test(t) ? dt : void 0)), void 0 !== n ? null === n ? void w.removeAttr(e, t) : i && "set" in i && void 0 !== (r = i.set(e, n, t)) ? r : (e.setAttribute(t, n + ""), n) : i && "get" in i && null !== (r = i.get(e, t)) ? r : null == (r = w.find.attr(e, t)) ? void 0 : r)
        },
        attrHooks: {
            type: {
                set: function(e, t) {
                    if (!h.radioValue && "radio" === t && N(e, "input")) {
                        var n = e.value;
                        return e.setAttribute("type", t), n && (e.value = n), t
                    }
                }
            }
        },
        removeAttr: function(e, t) {
            var n, r = 0,
                i = t && t.match(M);
            if (i && 1 === e.nodeType)
                while (n = i[r++]) e.removeAttribute(n)
        }
    }), dt = {
        set: function(e, t, n) {
            return !1 === t ? w.removeAttr(e, n) : e.setAttribute(n, n), n
        }
    }, w.each(w.expr.match.bool.source.match(/\w+/g), function(e, t) {
        var n = ht[t] || w.find.attr;
        ht[t] = function(e, t, r) {
            var i, o, a = t.toLowerCase();
            return r || (o = ht[a], ht[a] = i, i = null != n(e, t, r) ? a : null, ht[a] = o), i
        }
    });
    var gt = /^(?:input|select|textarea|button)$/i,
        yt = /^(?:a|area)$/i;
    w.fn.extend({
        prop: function(e, t) {
            return z(this, w.prop, e, t, arguments.length > 1)
        },
        removeProp: function(e) {
            return this.each(function() {
                delete this[w.propFix[e] || e]
            })
        }
    }), w.extend({
        prop: function(e, t, n) {
            var r, i, o = e.nodeType;
            if (3 !== o && 8 !== o && 2 !== o) return 1 === o && w.isXMLDoc(e) || (t = w.propFix[t] || t, i = w.propHooks[t]), void 0 !== n ? i && "set" in i && void 0 !== (r = i.set(e, n, t)) ? r : e[t] = n : i && "get" in i && null !== (r = i.get(e, t)) ? r : e[t]
        },
        propHooks: {
            tabIndex: {
                get: function(e) {
                    var t = w.find.attr(e, "tabindex");
                    return t ? parseInt(t, 10) : gt.test(e.nodeName) || yt.test(e.nodeName) && e.href ? 0 : -1
                }
            }
        },
        propFix: {
            "for": "htmlFor",
            "class": "className"
        }
    }), h.optSelected || (w.propHooks.selected = {
        get: function(e) {
            var t = e.parentNode;
            return t && t.parentNode && t.parentNode.selectedIndex, null
        },
        set: function(e) {
            var t = e.parentNode;
            t && (t.selectedIndex, t.parentNode && t.parentNode.selectedIndex)
        }
    }), w.each(["tabIndex", "readOnly", "maxLength", "cellSpacing", "cellPadding", "rowSpan", "colSpan", "useMap", "frameBorder", "contentEditable"], function() {
        w.propFix[this.toLowerCase()] = this
    });

    function vt(e) {
        return (e.match(M) || []).join(" ")
    }

    function mt(e) {
        return e.getAttribute && e.getAttribute("class") || ""
    }

    function xt(e) {
        return Array.isArray(e) ? e : "string" == typeof e ? e.match(M) || [] : []
    }
    w.fn.extend({
        addClass: function(e) {
            var t, n, r, i, o, a, s, u = 0;
            if (g(e)) return this.each(function(t) {
                w(this).addClass(e.call(this, t, mt(this)))
            });
            if ((t = xt(e)).length)
                while (n = this[u++])
                    if (i = mt(n), r = 1 === n.nodeType && " " + vt(i) + " ") {
                        a = 0;
                        while (o = t[a++]) r.indexOf(" " + o + " ") < 0 && (r += o + " ");
                        i !== (s = vt(r)) && n.setAttribute("class", s)
                    } return this
        },
        removeClass: function(e) {
            var t, n, r, i, o, a, s, u = 0;
            if (g(e)) return this.each(function(t) {
                w(this).removeClass(e.call(this, t, mt(this)))
            });
            if (!arguments.length) return this.attr("class", "");
            if ((t = xt(e)).length)
                while (n = this[u++])
                    if (i = mt(n), r = 1 === n.nodeType && " " + vt(i) + " ") {
                        a = 0;
                        while (o = t[a++])
                            while (r.indexOf(" " + o + " ") > -1) r = r.replace(" " + o + " ", " ");
                        i !== (s = vt(r)) && n.setAttribute("class", s)
                    } return this
        },
        toggleClass: function(e, t) {
            var n = typeof e,
                r = "string" === n || Array.isArray(e);
            return "boolean" == typeof t && r ? t ? this.addClass(e) : this.removeClass(e) : g(e) ? this.each(function(n) {
                w(this).toggleClass(e.call(this, n, mt(this), t), t)
            }) : this.each(function() {
                var t, i, o, a;
                if (r) {
                    i = 0, o = w(this), a = xt(e);
                    while (t = a[i++]) o.hasClass(t) ? o.removeClass(t) : o.addClass(t)
                } else void 0 !== e && "boolean" !== n || ((t = mt(this)) && J.set(this, "__className__", t), this.setAttribute && this.setAttribute("class", t || !1 === e ? "" : J.get(this, "__className__") || ""))
            })
        },
        hasClass: function(e) {
            var t, n, r = 0;
            t = " " + e + " ";
            while (n = this[r++])
                if (1 === n.nodeType && (" " + vt(mt(n)) + " ").indexOf(t) > -1) return !0;
            return !1
        }
    });
    var bt = /\r/g;
    w.fn.extend({
        val: function(e) {
            var t, n, r, i = this[0];
            {
                if (arguments.length) return r = g(e), this.each(function(n) {
                    var i;
                    1 === this.nodeType && (null == (i = r ? e.call(this, n, w(this).val()) : e) ? i = "" : "number" == typeof i ? i += "" : Array.isArray(i) && (i = w.map(i, function(e) {
                        return null == e ? "" : e + ""
                    })), (t = w.valHooks[this.type] || w.valHooks[this.nodeName.toLowerCase()]) && "set" in t && void 0 !== t.set(this, i, "value") || (this.value = i))
                });
                if (i) return (t = w.valHooks[i.type] || w.valHooks[i.nodeName.toLowerCase()]) && "get" in t && void 0 !== (n = t.get(i, "value")) ? n : "string" == typeof(n = i.value) ? n.replace(bt, "") : null == n ? "" : n
            }
        }
    }), w.extend({
        valHooks: {
            option: {
                get: function(e) {
                    var t = w.find.attr(e, "value");
                    return null != t ? t : vt(w.text(e))
                }
            },
            select: {
                get: function(e) {
                    var t, n, r, i = e.options,
                        o = e.selectedIndex,
                        a = "select-one" === e.type,
                        s = a ? null : [],
                        u = a ? o + 1 : i.length;
                    for (r = o < 0 ? u : a ? o : 0; r < u; r++)
                        if (((n = i[r]).selected || r === o) && !n.disabled && (!n.parentNode.disabled || !N(n.parentNode, "optgroup"))) {
                            if (t = w(n).val(), a) return t;
                            s.push(t)
                        } return s
                },
                set: function(e, t) {
                    var n, r, i = e.options,
                        o = w.makeArray(t),
                        a = i.length;
                    while (a--)((r = i[a]).selected = w.inArray(w.valHooks.option.get(r), o) > -1) && (n = !0);
                    return n || (e.selectedIndex = -1), o
                }
            }
        }
    }), w.each(["radio", "checkbox"], function() {
        w.valHooks[this] = {
            set: function(e, t) {
                if (Array.isArray(t)) return e.checked = w.inArray(w(e).val(), t) > -1
            }
        }, h.checkOn || (w.valHooks[this].get = function(e) {
            return null === e.getAttribute("value") ? "on" : e.value
        })
    }), h.focusin = "onfocusin" in e;
    var wt = /^(?:focusinfocus|focusoutblur)$/,
        Tt = function(e) {
            e.stopPropagation()
        };
    w.extend(w.event, {
        trigger: function(t, n, i, o) {
            var a, s, u, l, c, p, d, h, v = [i || r],
                m = f.call(t, "type") ? t.type : t,
                x = f.call(t, "namespace") ? t.namespace.split(".") : [];
            if (s = h = u = i = i || r, 3 !== i.nodeType && 8 !== i.nodeType && !wt.test(m + w.event.triggered) && (m.indexOf(".") > -1 && (m = (x = m.split(".")).shift(), x.sort()), c = m.indexOf(":") < 0 && "on" + m, t = t[w.expando] ? t : new w.Event(m, "object" == typeof t && t), t.isTrigger = o ? 2 : 3, t.namespace = x.join("."), t.rnamespace = t.namespace ? new RegExp("(^|\\.)" + x.join("\\.(?:.*\\.|)") + "(\\.|$)") : null, t.result = void 0, t.target || (t.target = i), n = null == n ? [t] : w.makeArray(n, [t]), d = w.event.special[m] || {}, o || !d.trigger || !1 !== d.trigger.apply(i, n))) {
                if (!o && !d.noBubble && !y(i)) {
                    for (l = d.delegateType || m, wt.test(l + m) || (s = s.parentNode); s; s = s.parentNode) v.push(s), u = s;
                    u === (i.ownerDocument || r) && v.push(u.defaultView || u.parentWindow || e)
                }
                a = 0;
                while ((s = v[a++]) && !t.isPropagationStopped()) h = s, t.type = a > 1 ? l : d.bindType || m, (p = (J.get(s, "events") || {})[t.type] && J.get(s, "handle")) && p.apply(s, n), (p = c && s[c]) && p.apply && Y(s) && (t.result = p.apply(s, n), !1 === t.result && t.preventDefault());
                return t.type = m, o || t.isDefaultPrevented() || d._default && !1 !== d._default.apply(v.pop(), n) || !Y(i) || c && g(i[m]) && !y(i) && ((u = i[c]) && (i[c] = null), w.event.triggered = m, t.isPropagationStopped() && h.addEventListener(m, Tt), i[m](), t.isPropagationStopped() && h.removeEventListener(m, Tt), w.event.triggered = void 0, u && (i[c] = u)), t.result
            }
        },
        simulate: function(e, t, n) {
            var r = w.extend(new w.Event, n, {
                type: e,
                isSimulated: !0
            });
            w.event.trigger(r, null, t)
        }
    }), w.fn.extend({
        trigger: function(e, t) {
            return this.each(function() {
                w.event.trigger(e, t, this)
            })
        },
        triggerHandler: function(e, t) {
            var n = this[0];
            if (n) return w.event.trigger(e, t, n, !0)
        }
    }), h.focusin || w.each({
        focus: "focusin",
        blur: "focusout"
    }, function(e, t) {
        var n = function(e) {
            w.event.simulate(t, e.target, w.event.fix(e))
        };
        w.event.special[t] = {
            setup: function() {
                var r = this.ownerDocument || this,
                    i = J.access(r, t);
                i || r.addEventListener(e, n, !0), J.access(r, t, (i || 0) + 1)
            },
            teardown: function() {
                var r = this.ownerDocument || this,
                    i = J.access(r, t) - 1;
                i ? J.access(r, t, i) : (r.removeEventListener(e, n, !0), J.remove(r, t))
            }
        }
    });
    var Ct = e.location,
        Et = Date.now(),
        kt = /\?/;
    w.parseXML = function(t) {
        var n;
        if (!t || "string" != typeof t) return null;
        try {
            n = (new e.DOMParser).parseFromString(t, "text/xml")
        } catch (e) {
            n = void 0
        }
        return n && !n.getElementsByTagName("parsererror").length || w.error("Invalid XML: " + t), n
    };
    var St = /\[\]$/,
        Dt = /\r?\n/g,
        Nt = /^(?:submit|button|image|reset|file)$/i,
        At = /^(?:input|select|textarea|keygen)/i;

    function jt(e, t, n, r) {
        var i;
        if (Array.isArray(t)) w.each(t, function(t, i) {
            n || St.test(e) ? r(e, i) : jt(e + "[" + ("object" == typeof i && null != i ? t : "") + "]", i, n, r)
        });
        else if (n || "object" !== x(t)) r(e, t);
        else
            for (i in t) jt(e + "[" + i + "]", t[i], n, r)
    }
    w.param = function(e, t) {
        var n, r = [],
            i = function(e, t) {
                var n = g(t) ? t() : t;
                r[r.length] = encodeURIComponent(e) + "=" + encodeURIComponent(null == n ? "" : n)
            };
        if (Array.isArray(e) || e.jquery && !w.isPlainObject(e)) w.each(e, function() {
            i(this.name, this.value)
        });
        else
            for (n in e) jt(n, e[n], t, i);
        return r.join("&")
    }, w.fn.extend({
        serialize: function() {
            return w.param(this.serializeArray())
        },
        serializeArray: function() {
            return this.map(function() {
                var e = w.prop(this, "elements");
                return e ? w.makeArray(e) : this
            }).filter(function() {
                var e = this.type;
                return this.name && !w(this).is(":disabled") && At.test(this.nodeName) && !Nt.test(e) && (this.checked || !pe.test(e))
            }).map(function(e, t) {
                var n = w(this).val();
                return null == n ? null : Array.isArray(n) ? w.map(n, function(e) {
                    return {
                        name: t.name,
                        value: e.replace(Dt, "\r\n")
                    }
                }) : {
                    name: t.name,
                    value: n.replace(Dt, "\r\n")
                }
            }).get()
        }
    });
    var qt = /%20/g,
        Lt = /#.*$/,
        Ht = /([?&])_=[^&]*/,
        Ot = /^(.*?):[ \t]*([^\r\n]*)$/gm,
        Pt = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
        Mt = /^(?:GET|HEAD)$/,
        Rt = /^\/\//,
        It = {},
        Wt = {},
        $t = "*/".concat("*"),
        Bt = r.createElement("a");
    Bt.href = Ct.href;

    function Ft(e) {
        return function(t, n) {
            "string" != typeof t && (n = t, t = "*");
            var r, i = 0,
                o = t.toLowerCase().match(M) || [];
            if (g(n))
                while (r = o[i++]) "+" === r[0] ? (r = r.slice(1) || "*", (e[r] = e[r] || []).unshift(n)) : (e[r] = e[r] || []).push(n)
        }
    }

    function _t(e, t, n, r) {
        var i = {},
            o = e === Wt;

        function a(s) {
            var u;
            return i[s] = !0, w.each(e[s] || [], function(e, s) {
                var l = s(t, n, r);
                return "string" != typeof l || o || i[l] ? o ? !(u = l) : void 0 : (t.dataTypes.unshift(l), a(l), !1)
            }), u
        }
        return a(t.dataTypes[0]) || !i["*"] && a("*")
    }

    function zt(e, t) {
        var n, r, i = w.ajaxSettings.flatOptions || {};
        for (n in t) void 0 !== t[n] && ((i[n] ? e : r || (r = {}))[n] = t[n]);
        return r && w.extend(!0, e, r), e
    }

    function Xt(e, t, n) {
        var r, i, o, a, s = e.contents,
            u = e.dataTypes;
        while ("*" === u[0]) u.shift(), void 0 === r && (r = e.mimeType || t.getResponseHeader("Content-Type"));
        if (r)
            for (i in s)
                if (s[i] && s[i].test(r)) {
                    u.unshift(i);
                    break
                } if (u[0] in n) o = u[0];
        else {
            for (i in n) {
                if (!u[0] || e.converters[i + " " + u[0]]) {
                    o = i;
                    break
                }
                a || (a = i)
            }
            o = o || a
        }
        if (o) return o !== u[0] && u.unshift(o), n[o]
    }

    function Ut(e, t, n, r) {
        var i, o, a, s, u, l = {},
            c = e.dataTypes.slice();
        if (c[1])
            for (a in e.converters) l[a.toLowerCase()] = e.converters[a];
        o = c.shift();
        while (o)
            if (e.responseFields[o] && (n[e.responseFields[o]] = t), !u && r && e.dataFilter && (t = e.dataFilter(t, e.dataType)), u = o, o = c.shift())
                if ("*" === o) o = u;
                else if ("*" !== u && u !== o) {
            if (!(a = l[u + " " + o] || l["* " + o]))
                for (i in l)
                    if ((s = i.split(" "))[1] === o && (a = l[u + " " + s[0]] || l["* " + s[0]])) {
                        !0 === a ? a = l[i] : !0 !== l[i] && (o = s[0], c.unshift(s[1]));
                        break
                    } if (!0 !== a)
                if (a && e["throws"]) t = a(t);
                else try {
                    t = a(t)
                } catch (e) {
                    return {
                        state: "parsererror",
                        error: a ? e : "No conversion from " + u + " to " + o
                    }
                }
        }
        return {
            state: "success",
            data: t
        }
    }
    w.extend({
        active: 0,
        lastModified: {},
        etag: {},
        ajaxSettings: {
            url: Ct.href,
            type: "GET",
            isLocal: Pt.test(Ct.protocol),
            global: !0,
            processData: !0,
            async: !0,
            contentType: "application/x-www-form-urlencoded; charset=UTF-8",
            accepts: {
                "*": $t,
                text: "text/plain",
                html: "text/html",
                xml: "application/xml, text/xml",
                json: "application/json, text/javascript"
            },
            contents: {
                xml: /\bxml\b/,
                html: /\bhtml/,
                json: /\bjson\b/
            },
            responseFields: {
                xml: "responseXML",
                text: "responseText",
                json: "responseJSON"
            },
            converters: {
                "* text": String,
                "text html": !0,
                "text json": JSON.parse,
                "text xml": w.parseXML
            },
            flatOptions: {
                url: !0,
                context: !0
            }
        },
        ajaxSetup: function(e, t) {
            return t ? zt(zt(e, w.ajaxSettings), t) : zt(w.ajaxSettings, e)
        },
        ajaxPrefilter: Ft(It),
        ajaxTransport: Ft(Wt),
        ajax: function(t, n) {
            "object" == typeof t && (n = t, t = void 0), n = n || {};
            var i, o, a, s, u, l, c, f, p, d, h = w.ajaxSetup({}, n),
                g = h.context || h,
                y = h.context && (g.nodeType || g.jquery) ? w(g) : w.event,
                v = w.Deferred(),
                m = w.Callbacks("once memory"),
                x = h.statusCode || {},
                b = {},
                T = {},
                C = "canceled",
                E = {
                    readyState: 0,
                    getResponseHeader: function(e) {
                        var t;
                        if (c) {
                            if (!s) {
                                s = {};
                                while (t = Ot.exec(a)) s[t[1].toLowerCase()] = t[2]
                            }
                            t = s[e.toLowerCase()]
                        }
                        return null == t ? null : t
                    },
                    getAllResponseHeaders: function() {
                        return c ? a : null
                    },
                    setRequestHeader: function(e, t) {
                        return null == c && (e = T[e.toLowerCase()] = T[e.toLowerCase()] || e, b[e] = t), this
                    },
                    overrideMimeType: function(e) {
                        return null == c && (h.mimeType = e), this
                    },
                    statusCode: function(e) {
                        var t;
                        if (e)
                            if (c) E.always(e[E.status]);
                            else
                                for (t in e) x[t] = [x[t], e[t]];
                        return this
                    },
                    abort: function(e) {
                        var t = e || C;
                        return i && i.abort(t), k(0, t), this
                    }
                };
            if (v.promise(E), h.url = ((t || h.url || Ct.href) + "").replace(Rt, Ct.protocol + "//"), h.type = n.method || n.type || h.method || h.type, h.dataTypes = (h.dataType || "*").toLowerCase().match(M) || [""], null == h.crossDomain) {
                l = r.createElement("a");
                try {
                    l.href = h.url, l.href = l.href, h.crossDomain = Bt.protocol + "//" + Bt.host != l.protocol + "//" + l.host
                } catch (e) {
                    h.crossDomain = !0
                }
            }
            if (h.data && h.processData && "string" != typeof h.data && (h.data = w.param(h.data, h.traditional)), _t(It, h, n, E), c) return E;
            (f = w.event && h.global) && 0 == w.active++ && w.event.trigger("ajaxStart"), h.type = h.type.toUpperCase(), h.hasContent = !Mt.test(h.type), o = h.url.replace(Lt, ""), h.hasContent ? h.data && h.processData && 0 === (h.contentType || "").indexOf("application/x-www-form-urlencoded") && (h.data = h.data.replace(qt, "+")) : (d = h.url.slice(o.length), h.data && (h.processData || "string" == typeof h.data) && (o += (kt.test(o) ? "&" : "?") + h.data, delete h.data), !1 === h.cache && (o = o.replace(Ht, "$1"), d = (kt.test(o) ? "&" : "?") + "_=" + Et++ + d), h.url = o + d), h.ifModified && (w.lastModified[o] && E.setRequestHeader("If-Modified-Since", w.lastModified[o]), w.etag[o] && E.setRequestHeader("If-None-Match", w.etag[o])), (h.data && h.hasContent && !1 !== h.contentType || n.contentType) && E.setRequestHeader("Content-Type", h.contentType), E.setRequestHeader("Accept", h.dataTypes[0] && h.accepts[h.dataTypes[0]] ? h.accepts[h.dataTypes[0]] + ("*" !== h.dataTypes[0] ? ", " + $t + "; q=0.01" : "") : h.accepts["*"]);
            for (p in h.headers) E.setRequestHeader(p, h.headers[p]);
            if (h.beforeSend && (!1 === h.beforeSend.call(g, E, h) || c)) return E.abort();
            if (C = "abort", m.add(h.complete), E.done(h.success), E.fail(h.error), i = _t(Wt, h, n, E)) {
                if (E.readyState = 1, f && y.trigger("ajaxSend", [E, h]), c) return E;
                h.async && h.timeout > 0 && (u = e.setTimeout(function() {
                    E.abort("timeout")
                }, h.timeout));
                try {
                    c = !1, i.send(b, k)
                } catch (e) {
                    if (c) throw e;
                    k(-1, e)
                }
            } else k(-1, "No Transport");

            function k(t, n, r, s) {
                var l, p, d, b, T, C = n;
                c || (c = !0, u && e.clearTimeout(u), i = void 0, a = s || "", E.readyState = t > 0 ? 4 : 0, l = t >= 200 && t < 300 || 304 === t, r && (b = Xt(h, E, r)), b = Ut(h, b, E, l), l ? (h.ifModified && ((T = E.getResponseHeader("Last-Modified")) && (w.lastModified[o] = T), (T = E.getResponseHeader("etag")) && (w.etag[o] = T)), 204 === t || "HEAD" === h.type ? C = "nocontent" : 304 === t ? C = "notmodified" : (C = b.state, p = b.data, l = !(d = b.error))) : (d = C, !t && C || (C = "error", t < 0 && (t = 0))), E.status = t, E.statusText = (n || C) + "", l ? v.resolveWith(g, [p, C, E]) : v.rejectWith(g, [E, C, d]), E.statusCode(x), x = void 0, f && y.trigger(l ? "ajaxSuccess" : "ajaxError", [E, h, l ? p : d]), m.fireWith(g, [E, C]), f && (y.trigger("ajaxComplete", [E, h]), --w.active || w.event.trigger("ajaxStop")))
            }
            return E
        },
        getJSON: function(e, t, n) {
            return w.get(e, t, n, "json")
        },
        getScript: function(e, t) {
            return w.get(e, void 0, t, "script")
        }
    }), w.each(["get", "post"], function(e, t) {
        w[t] = function(e, n, r, i) {
            return g(n) && (i = i || r, r = n, n = void 0), w.ajax(w.extend({
                url: e,
                type: t,
                dataType: i,
                data: n,
                success: r
            }, w.isPlainObject(e) && e))
        }
    }), w._evalUrl = function(e) {
        return w.ajax({
            url: e,
            type: "GET",
            dataType: "script",
            cache: !0,
            async: !1,
            global: !1,
            "throws": !0
        })
    }, w.fn.extend({
        wrapAll: function(e) {
            var t;
            return this[0] && (g(e) && (e = e.call(this[0])), t = w(e, this[0].ownerDocument).eq(0).clone(!0), this[0].parentNode && t.insertBefore(this[0]), t.map(function() {
                var e = this;
                while (e.firstElementChild) e = e.firstElementChild;
                return e
            }).append(this)), this
        },
        wrapInner: function(e) {
            return g(e) ? this.each(function(t) {
                w(this).wrapInner(e.call(this, t))
            }) : this.each(function() {
                var t = w(this),
                    n = t.contents();
                n.length ? n.wrapAll(e) : t.append(e)
            })
        },
        wrap: function(e) {
            var t = g(e);
            return this.each(function(n) {
                w(this).wrapAll(t ? e.call(this, n) : e)
            })
        },
        unwrap: function(e) {
            return this.parent(e).not("body").each(function() {
                w(this).replaceWith(this.childNodes)
            }), this
        }
    }), w.expr.pseudos.hidden = function(e) {
        return !w.expr.pseudos.visible(e)
    }, w.expr.pseudos.visible = function(e) {
        return !!(e.offsetWidth || e.offsetHeight || e.getClientRects().length)
    }, w.ajaxSettings.xhr = function() {
        try {
            return new e.XMLHttpRequest
        } catch (e) {}
    };
    var Vt = {
            0: 200,
            1223: 204
        },
        Gt = w.ajaxSettings.xhr();
    h.cors = !!Gt && "withCredentials" in Gt, h.ajax = Gt = !!Gt, w.ajaxTransport(function(t) {
        var n, r;
        if (h.cors || Gt && !t.crossDomain) return {
            send: function(i, o) {
                var a, s = t.xhr();
                if (s.open(t.type, t.url, t.async, t.username, t.password), t.xhrFields)
                    for (a in t.xhrFields) s[a] = t.xhrFields[a];
                t.mimeType && s.overrideMimeType && s.overrideMimeType(t.mimeType), t.crossDomain || i["X-Requested-With"] || (i["X-Requested-With"] = "XMLHttpRequest");
                for (a in i) s.setRequestHeader(a, i[a]);
                n = function(e) {
                    return function() {
                        n && (n = r = s.onload = s.onerror = s.onabort = s.ontimeout = s.onreadystatechange = null, "abort" === e ? s.abort() : "error" === e ? "number" != typeof s.status ? o(0, "error") : o(s.status, s.statusText) : o(Vt[s.status] || s.status, s.statusText, "text" !== (s.responseType || "text") || "string" != typeof s.responseText ? {
                            binary: s.response
                        } : {
                            text: s.responseText
                        }, s.getAllResponseHeaders()))
                    }
                }, s.onload = n(), r = s.onerror = s.ontimeout = n("error"), void 0 !== s.onabort ? s.onabort = r : s.onreadystatechange = function() {
                    4 === s.readyState && e.setTimeout(function() {
                        n && r()
                    })
                }, n = n("abort");
                try {
                    s.send(t.hasContent && t.data || null)
                } catch (e) {
                    if (n) throw e
                }
            },
            abort: function() {
                n && n()
            }
        }
    }), w.ajaxPrefilter(function(e) {
        e.crossDomain && (e.contents.script = !1)
    }), w.ajaxSetup({
        accepts: {
            script: "text/javascript, application/javascript, application/ecmascript, application/x-ecmascript"
        },
        contents: {
            script: /\b(?:java|ecma)script\b/
        },
        converters: {
            "text script": function(e) {
                return w.globalEval(e), e
            }
        }
    }), w.ajaxPrefilter("script", function(e) {
        void 0 === e.cache && (e.cache = !1), e.crossDomain && (e.type = "GET")
    }), w.ajaxTransport("script", function(e) {
        if (e.crossDomain) {
            var t, n;
            return {
                send: function(i, o) {
                    t = w("<script>").prop({
                        charset: e.scriptCharset,
                        src: e.url
                    }).on("load error", n = function(e) {
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            type: i || "GET",
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                top: t.top + n.pageYOffset,
                left: t.left + n.pageXOffset
            }) : {
                top: 0,
                left: 0
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        },
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                var e, t, n, r = this[0],
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                        left: 0
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                if ("fixed" === w.css(r, "position")) t = r.getBoundingClientRect();
                else {
                    t = this.offset(), n = r.ownerDocument, e = r.offsetParent || n.documentElement;
                    while (e && (e === n.body || e === n.documentElement) && "static" === w.css(e, "position")) e = e.parentNode;
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            })
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        scrollTop: "pageYOffset"
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        w.fn[e] = function(r) {
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    }), w.each(["top", "left"], function(e, t) {
        w.cssHooks[t] = _e(h.pixelPosition, function(e, n) {
            if (n) return n = Fe(e, t), We.test(n) ? w(e).position()[t] + "px" : n
        })
    }), w.each({
        Height: "height",
        Width: "width"
    }, function(e, t) {
        w.each({
            padding: "inner" + e,
            content: t,
            "": "outer" + e
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                }, t, a ? i : void 0, a)
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    }), w.each("blur focus focusin focusout resize scroll click dblclick mousedown mouseup mousemove mouseover mouseout mouseenter mouseleave change select submit keydown keypress keyup contextmenu".split(" "), function(e, t) {
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            return arguments.length > 0 ? this.on(t, null, e, n) : this.trigger(t)
        }
    }), w.fn.extend({
        hover: function(e, t) {
            return this.mouseenter(e).mouseleave(t || e)
        }
    }), w.fn.extend({
        bind: function(e, t, n) {
            return this.on(e, null, t, n)
        },
        unbind: function(e, t) {
            return this.off(e, null, t)
        },
        delegate: function(e, t, n, r) {
            return this.on(t, e, n, r)
        },
        undelegate: function(e, t, n) {
            return 1 === arguments.length ? this.off(e, "**") : this.off(t, e || "**", n)
        }
    }), w.proxy = function(e, t) {
        var n, r, i;
        if ("string" == typeof t && (n = e[t], t = e, e = n), g(e)) return r = o.call(arguments, 2), i = function() {
            return e.apply(t || this, r.concat(o.call(arguments)))
        }, i.guid = e.guid = e.guid || w.guid++, i
    }, w.holdReady = function(e) {
        e ? w.readyWait++ : w.ready(!0)
    }, w.isArray = Array.isArray, w.parseJSON = JSON.parse, w.nodeName = N, w.isFunction = g, w.isWindow = y, w.camelCase = G, w.type = x, w.now = Date.now, w.isNumeric = function(e) {
        var t = w.type(e);
        return ("number" === t || "string" === t) && !isNaN(e - parseFloat(e))
    }, "function" == typeof define && define.amd && define("jquery", [], function() {
        return w
    });
    var Jt = e.jQuery,
        Kt = e.$;
    return w.noConflict = function(t) {
        return e.$ === w && (e.$ = Kt), t && e.jQuery === w && (e.jQuery = Jt), w
    }, t || (e.jQuery = e.$ = w), w
});;
stripe_init_timeout = null;
stripe_init_alerted = false;

function initStripe() {
    var count = 0;
    var onload = function() {
        count++;
        if (count == 2) {
            initStripeForReal();
        }
    }
    var script = document.createElement('script');
    script.onload = onload;
    script.src = "https://js.stripe.com/v3/"
    document.head.appendChild(script);
    var script = document.createElement('script');
    script.onload = onload;
    script.src = "https://www.paypal.com/sdk/js?client-id=" + PAYPAL_CLIENT_ID + "&disable-funding=credit,card"
    document.head.appendChild(script);
    stripe_init_timeout = setTimeout(function() {
        var image = new Image();
        image.src = "/blocked.log"
        stripe_init_alerted = true;
        alert("It looks like PayPal.com and/or Stripe.com are blocked on your network. You probably won't be able to pay. You can try it though. You'll have better luck if you use your home network to pay.");
    }, 5000);
}

function initStripeForReal() {
    clearTimeout(stripe_init_timeout);
    var paypal_submodal = null

    function makeModal() {
        paypal_submodal = document.createElement("div");
        document.body.appendChild(paypal_submodal);
        paypal_submodal.classList.add("modal-wrapper");
        paypal_submodal.innerHTML = "<div class='modal'>Waiting for PayPal...</div>";
    }

    function destroyModal() {
        paypal_submodal.parentElement.removeChild(paypal_submodal)
    }
    if (stripe_init_alerted) {
        var image = new Image();
        image.src = "/unblocked.log"
        alert("Nevermind. It was just a network blip. You can checkout.")
    }
    paypal.Buttons({
        createOrder: function(data, actions) {
            makeModal();
            return actions.order.create({
                application_context: {
                    brand_name: "CrosswordLabs",
                    shipping_preference: "NO_SHIPPING",
                    user_action: "PAY_NOW",
                },
                purchase_units: [{
                    custom_id: INTENT_ID,
                    invoice_id: INVOICE_ID || INTENT_ID,
                    amount: {
                        value: AMOUNT_STR
                    },
                    description: "CrosswordLabs Account",
                    soft_descriptor: "CROSSWORDLABS"
                }]
            });
        },
        onError: function(error) {
            destroyModal();
            alert("There was an error with your payment: " + error);
        },
        onCancel: function(data) {
            destroyModal();
            alert("Your payment was cancelled");
        },
        onApprove: function(data, actions) {
            return actions.order.capture().then(function(details) {
                destroyModal();
                document.getElementById("payment-intent").value = INTENT_ID
                document.getElementById("paypal-id").value = details.id
                var post_data = $('#id_post_data').val($('#build-crossword').serialize())
                form.submit()
            });
        }
    }).render('#paypal-button-container');
    $('#payment-form-wrapper').show();
    $('#payment-form-update-button').remove()
    var stripe = Stripe(window.STRIPE_PUBLIC_KEY);
    var elements = stripe.elements();
    var style = {
        base: {
            color: '#32325d',
            lineHeight: '18px',
            fontFamily: 'arial',
            fontSize: '16px',
            '::placeholder': {
                color: '#aab7c4'
            },
        },
        invalid: {
            color: '#fa755a',
            iconColor: '#fa755a'
        }
    };
    var card = elements.create('card', {
        style: style,
        hidePostalCode: true
    });
    card.mount('#card-element');
    card.addEventListener('change', function(event) {
        var displayError = document.getElementById('card-errors');
        if (event.error) {
            displayError.textContent = event.error.message;
        } else {
            displayError.textContent = '';
        }
    });

    function setError(str) {
        var p = $('<p>');
        p.addClass("error");
        p.text(str);
        $('#payment-error').html(p);
    }

    function disableArea(selector) {
        $(selector).css("pointer-events", "none");
    }

    function enableArea(selector) {
        $(selector).css("pointer-events", "");
    }
    var form = document.getElementById("payment-form");
    form.addEventListener('submit', function(ev) {
        ev.preventDefault();
        $('#place-order').prop("disabled", true);
        stripe.confirmCardPayment(CLIENT_SECRET, {
            payment_method: {
                card: card,
            }
        }).then(function(result) {
            if (result.error) {
                $('#place-order').prop("disabled", false);
                setError(result.error.message);
            } else {
                if (result.paymentIntent.status === 'succeeded') {
                    document.getElementById("payment-intent").value = result.paymentIntent.id
                    var post_data = $('#id_post_data').val($('#build-crossword').serialize())
                    form.submit()
                } else {
                    $('#place-order').prop("disabled", false);
                }
            }
        });
    });
    var paymentRequest = stripe.paymentRequest({
        country: 'US',
        currency: 'usd',
        total: {
            label: 'CrosswordLabs Account',
            amount: AMOUNT,
        },
        requestPayerName: false,
        requestPayerEmail: false,
        requestPayerPhone: false,
        requestShipping: false,
    });
    var prButton = elements.create('paymentRequestButton', {
        paymentRequest: paymentRequest,
    });
    paymentRequest.canMakePayment().then(function(result) {
        if (result) {
            $('#wallet-pay').show();
            prButton.mount('#payment-request-button');
        } else {
            $('#wallet-pay').hide();
            document.getElementById('payment-request-button').style.display = 'none';
        }
    });
    paymentRequest.on('paymentmethod', function(ev) {
        disableArea('#payment-request-button');
        stripe.confirmCardPayment(CLIENT_SECRET, {
            payment_method: ev.paymentMethod.id
        }, {
            handleActions: false
        }).then(function(confirmResult) {
            if (confirmResult.error) {
                setError(confirmResult.error.message);
                enableArea('#payment-request-button');
                ev.complete('fail');
            } else {
                ev.complete('success');
                stripe.confirmCardPayment(CLIENT_SECRET).then(function(result) {
                    if (result.error) {
                        enableArea('#payment-request-button');
                        setError(result.error.message);
                    } else {
                        document.getElementById("payment-intent").value = result.paymentIntent.id
                        var post_data = $('#id_post_data').val($('#build-crossword').serialize())
                        form.submit()
                    }
                });
            }
        });
    });
    var last_error = "Please enter your email address";
    var ajax = null;
    $('#id_email').on("change keyup", debounce(function(e) {
        var email = this.value;
        if (ajax) {
            ajax.abort();
        }
        ajax = $.post("/account/email", {
            email: email,
            intent_id: INTENT_ID
        }, function(data) {
            if (data != "OK") {
                var silent = e.type == "keyup";
                setEmailError(data, silent);
            } else {
                setEmailError(null);
            }
        });
    }, 100));

    function setEmailError(error, silent) {
        if (error === null) {
            $('#id_email_errors').text("");
        } else {
            if (!silent) {
                $('#id_email_errors').text(error);
            }
            $('.payment-tabs > a').removeClass("payment-tab-active");
            $('.payment-tab').hide();
        }
        last_error = error
    }
    $('.payment-tabs > a').on("click", function(e) {
        e.preventDefault()
        if (last_error) {
            setEmailError(last_error);
            return;
        }
        $('.payment-tabs > a').removeClass("payment-tab-active");
        $(this).addClass("payment-tab-active");
        var tab = $(this).attr("data-tab");
        $('.payment-tab').hide();
        $('#' + tab).show();
    })
};

function getSymbols(string) {
    try {
        string = string.normalize('NFC');
    } catch (e) {
        console.log("can't normalize")
    }
    var index = 0;
    var length = string.length;
    var output = [];
    for (; index < length; ++index) {
        var charCode = string.charCodeAt(index);
        if (charCode >= 0xD800 && charCode <= 0xDBFF) {
            charCode = string.charCodeAt(index + 1);
            if (charCode >= 0xDC00 && charCode <= 0xDFFF) {
                output.push(string.slice(index, index + 2).toLowerCase());
                ++index;
                continue;
            }
        }
        output.push(string.charAt(index).toLowerCase());
    }
    return output;
}
Array.prototype.rotate = (function() {
    var unshift = Array.prototype.unshift,
        splice = Array.prototype.splice;
    return function(count) {
        var len = this.length >>> 0,
            count = count >> 0;
        unshift.apply(this, splice.call(this, count % len, len));
        return this;
    };
})();

function escapeHtml(unsafe) {
    return unsafe.replace(/&/g, "&amp;").replace(/</g, "&lt;").replace(/>/g, "&gt;").replace(/"/g, "&quot;").replace(/'/g, "&#039;");
}
var MersenneTwister = function(seed) {
    if (seed == undefined) {
        seed = new Date().getTime();
    }
    this.N = 624;
    this.M = 397;
    this.MATRIX_A = 0x9908b0df;
    this.UPPER_MASK = 0x80000000;
    this.LOWER_MASK = 0x7fffffff;
    this.mt = new Array(this.N);
    this.mti = this.N + 1;
    this.init_genrand(seed);
}
MersenneTwister.prototype.init_genrand = function(s) {
    this.mt[0] = s >>> 0;
    for (this.mti = 1; this.mti < this.N; this.mti++) {
        var s = this.mt[this.mti - 1] ^ (this.mt[this.mti - 1] >>> 30);
        this.mt[this.mti] = (((((s & 0xffff0000) >>> 16) * 1812433253) << 16) + (s & 0x0000ffff) * 1812433253) +
            this.mti;
        this.mt[this.mti] >>>= 0;
    }
}
MersenneTwister.prototype.init_by_array = function(init_key, key_length) {
    var i, j, k;
    this.init_genrand(19650218);
    i = 1;
    j = 0;
    k = (this.N > key_length ? this.N : key_length);
    for (; k; k--) {
        var s = this.mt[i - 1] ^ (this.mt[i - 1] >>> 30)
        this.mt[i] = (this.mt[i] ^ (((((s & 0xffff0000) >>> 16) * 1664525) << 16) + ((s & 0x0000ffff) * 1664525))) +
            init_key[j] + j;
        this.mt[i] >>>= 0;
        i++;
        j++;
        if (i >= this.N) {
            this.mt[0] = this.mt[this.N - 1];
            i = 1;
        }
        if (j >= key_length) j = 0;
    }
    for (k = this.N - 1; k; k--) {
        var s = this.mt[i - 1] ^ (this.mt[i - 1] >>> 30);
        this.mt[i] = (this.mt[i] ^ (((((s & 0xffff0000) >>> 16) * 1566083941) << 16) + (s & 0x0000ffff) * 1566083941)) -
            i;
        this.mt[i] >>>= 0;
        i++;
        if (i >= this.N) {
            this.mt[0] = this.mt[this.N - 1];
            i = 1;
        }
    }
    this.mt[0] = 0x80000000;
}
MersenneTwister.prototype.genrand_int32 = function() {
    var y;
    var mag01 = new Array(0x0, this.MATRIX_A);
    if (this.mti >= this.N) {
        var kk;
        if (this.mti == this.N + 1)
            this.init_genrand(5489);
        for (kk = 0; kk < this.N - this.M; kk++) {
            y = (this.mt[kk] & this.UPPER_MASK) | (this.mt[kk + 1] & this.LOWER_MASK);
            this.mt[kk] = this.mt[kk + this.M] ^ (y >>> 1) ^ mag01[y & 0x1];
        }
        for (; kk < this.N - 1; kk++) {
            y = (this.mt[kk] & this.UPPER_MASK) | (this.mt[kk + 1] & this.LOWER_MASK);
            this.mt[kk] = this.mt[kk + (this.M - this.N)] ^ (y >>> 1) ^ mag01[y & 0x1];
        }
        y = (this.mt[this.N - 1] & this.UPPER_MASK) | (this.mt[0] & this.LOWER_MASK);
        this.mt[this.N - 1] = this.mt[this.M - 1] ^ (y >>> 1) ^ mag01[y & 0x1];
        this.mti = 0;
    }
    y = this.mt[this.mti++];
    y ^= (y >>> 11);
    y ^= (y << 7) & 0x9d2c5680;
    y ^= (y << 15) & 0xefc60000;
    y ^= (y >>> 18);
    return y >>> 0;
}
MersenneTwister.prototype.genrand_int31 = function() {
    return (this.genrand_int32() >>> 1);
}
MersenneTwister.prototype.genrand_real1 = function() {
    return this.genrand_int32() * (1.0 / 4294967295.0);
}
MersenneTwister.prototype.random = function() {
    return this.genrand_int32() * (1.0 / 4294967296.0);
}
MersenneTwister.prototype.genrand_real3 = function() {
    return (this.genrand_int32() + 0.5) * (1.0 / 4294967296.0);
}
MersenneTwister.prototype.genrand_res53 = function() {
    var a = this.genrand_int32() >>> 5,
        b = this.genrand_int32() >>> 6;
    return (a * 67108864.0 + b) * (1.0 / 9007199254740992.0);
}

function shuffle(o, random) {
    if (!random) {
        random = Math.random
    }
    for (var j, x, i = o.length; i; j = Math.floor(random() * i), x = o[--i], o[i] = o[j], o[j] = x);
    return o;
}

function CrosswordCell(letter) {
    this.char = letter;
    this.across = null;
    this.down = null;
}

function CrosswordCellNode(is_start_of_word, index) {
    this.is_start_of_word = is_start_of_word;
    this.index = index;
}

function is_rtl(word) {
    return /[\u0591-\u07FF]/.test(word)
}

function WordElement(word, index) {
    this.word = word;
    this.index = index;
    this.symbols = getSymbols(word);
    this.rtl = null;
    if (is_rtl(word)) {
        var copy = this.symbols.slice()
        copy.reverse();
        this.rtl = copy;
    }
}

function Crossword(words_in, clues_in, seed) {
    var GRID_ROWS = 50;
    var GRID_COLS = 50;
    var char_index = {};
    var bad_words;
    var mt = new MersenneTwister(seed || 0)
    var random = function() {
        return mt.genrand_res53();
    }
    this.getSquareGrid = function(max_tries) {
        var best_grid = null;
        var best_ratio = 0;
        for (var i = 0; i < max_tries; i++) {
            var a_grid = this.getGrid(1);
            if (a_grid == null) continue;
            var ratio = Math.min(a_grid.length, a_grid[0].length) * 1.0 / Math.max(a_grid.length, a_grid[0].length);
            if (ratio > best_ratio) {
                best_grid = a_grid;
                best_ratio = ratio;
            }
            if (best_ratio == 1) break;
        }
        return best_grid;
    }
    this.getGridGreedy = function(max_tries) {
        var best_grid = null;
        var best_intersections = -1;
        for (var i = 0; i < max_tries; i++) {
            var a_grid = this.getGrid(1);
            if (a_grid == null) {
                console.log("restarting")
                shuffle(word_elements, random);
                continue
            }
            var intersections = a_grid.intersections;
            if (intersections > best_intersections) {
                best_grid = a_grid;
                best_intersections = intersections;
            }
            return a_grid
        }
        return null;
    }
    this.getGridWithMaximizedIntersections = function(best_of, max_tries) {
        var best_grid = null;
        var best_intersections = -1;
        var generated_count = 0;
        for (var i = 0; i < max_tries; i++) {
            shuffle(word_elements, random);
            var a_grid = this.getGrid(1);
            if (a_grid == null) continue;
            generated_count++;
            var intersections = a_grid.intersections;
            if (intersections > best_intersections) {
                best_grid = a_grid;
                best_intersections = intersections;
            }
            if (best_grid && generated_count == best_of) {
                return best_grid;
            }
        }
        return best_grid;
    }
    this.getGrid = function(max_tries) {
        for (var tries = 0; tries < max_tries; tries++) {
            clear();
            var start_dir = randomDirection();
            var r = Math.floor(grid.length / 2);
            var c = Math.floor(grid[0].length / 2);
            var word_element = word_elements[0];
            if (start_dir == "across") {
                c -= Math.floor(word_element.symbols.length / 2);
            } else {
                r -= Math.floor(word_element.symbols.length / 2);
            }
            if (canPlaceWordAt(word_element.symbols, r, c, start_dir, word_element.rtl) !== false) {
                placeWordAt(word_element.symbols, word_element.index, r, c, start_dir, word_element.rtl);
            } else {
                bad_words = [word_element];
                return;
            }
            if (start_dir == "across") {
                var r_max = r;
                var c_max = c + word_elements[0].symbols.length - 1;
            } else {
                var r_max = r + word_elements[0].symbols.length - 1;
                var c_max = c;
            }
            var r_min = r;
            var c_min = c;
            var intersections = 0;
            var groups = [];
            if (word_elements.length > 1) {
                groups.push(word_elements.slice(1));
            }
            var word_has_been_added_to_grid = true;
            for (var g = 0; g < groups.length; g++) {
                word_has_been_added_to_grid = false;
                for (var i = 0; i < groups[g].length; i++) {
                    var word_element = groups[g][i];
                    var best_position = findBestPositionForWord(word_element.symbols, word_element.rtl);
                    if (!best_position) {
                        if (groups.length - 1 == g) groups.push([]);
                        groups[g + 1].push(word_element);
                    } else {
                        intersections += best_position.intersections;
                        var r = best_position["row"],
                            c = best_position["col"],
                            dir = best_position['direction'];
                        placeWordAt(word_element.symbols, word_element.index, r, c, dir, word_element.rtl);
                        word_has_been_added_to_grid = true;
                        if (dir == "across") {
                            if (r > r_max) r_max = r;
                            if (c + word_element.symbols.length > c_max) c_max = c + word_element.symbols.length - 1;
                        } else {
                            if (r + word_element.symbols.length > r_max) r_max = r + word_element.symbols.length - 1;
                            if (c > c_max) c_max = c;
                        }
                        if (r < r_min) r_min = r;
                        if (c < c_min) c_min = c;
                    }
                }
                if (!word_has_been_added_to_grid) break;
            }
            if (word_has_been_added_to_grid) {
                var g = minimizeGrid(r_min, r_max, c_min, c_max);
                g.intersections = intersections;
                return g;
            }
        }
        bad_words = groups[groups.length - 1];
        return null;
    }
    this.getBadWords = function() {
        return bad_words;
    }
    this.getLegend = function(grid) {
        var groups = {
            "across": [],
            "down": []
        };
        var position = 1;
        for (var r = 0; r < grid.length; r++) {
            for (var c = 0; c < grid[r].length; c++) {
                var cell = grid[r][c];
                var increment_position = false;
                for (var k in groups) {
                    if (cell && cell[k] && cell[k]['is_start_of_word']) {
                        var index = cell[k]['index'];
                        groups[k].push({
                            "position": position,
                            "index": index,
                            "clue": clues_in[index],
                            "word": words_in[index],
                            "row": r,
                            "col": c,
                            "rtl": k == "across" && !!word_elements[index].rtl,
                        });
                        increment_position = true;
                    }
                }
                if (increment_position) position++;
            }
        }
        return groups;
    }
    var minimizeGrid = function(r_min, r_max, c_min, c_max) {
        var rows = r_max - r_min + 1;
        var cols = c_max - c_min + 1;
        var new_grid = new Array(rows);
        for (var r = 0; r < rows; r++) {
            for (var c = 0; c < cols; c++) {
                new_grid[r] = new Array(cols);
            }
        }
        for (var r = r_min, r2 = 0; r2 < rows; r++, r2++) {
            for (var c = c_min, c2 = 0; c2 < cols; c++, c2++) {
                new_grid[r2][c2] = grid[r][c];
            }
        }
        return new_grid;
    }
    var addCellToGrid = function(word, index_of_word_in_input_list, index_of_char, r, c, direction, rtl) {
        var char = word[index_of_char];
        if (grid[r][c] == null) {
            grid[r][c] = new CrosswordCell(char);
            if (!char_index[char]) char_index[char] = [];
            char_index[char].push({
                "row": r,
                "col": c
            });
        }
        var is_start_of_word = rtl ? (index_of_char == word.length - 1) : index_of_char == 0;
        grid[r][c][direction] = new CrosswordCellNode(is_start_of_word, index_of_word_in_input_list);
    }
    var placeWordAt = function(word, index_of_word_in_input_list, row, col, direction, rtl) {
        if (direction == "across") {
            word = rtl || word
            for (var c = col, i = 0; c < col + word.length; c++, i++) {
                addCellToGrid(word, index_of_word_in_input_list, i, row, c, direction, rtl);
            }
        } else if (direction == "down") {
            for (var r = row, i = 0; r < row + word.length; r++, i++) {
                addCellToGrid(word, index_of_word_in_input_list, i, r, col, direction);
            }
        } else {
            throw "Invalid Direction";
        }
    }
    var canPlaceCharAt = function(char, row, col, word_intersections) {
        if (grid[row][col] == null) return 0;
        if (grid[row][col]['char'] == char) {
            var across_word_index = grid[row][col]['across'] ? grid[row][col]['across']['index'] : null;
            var down_word_index = grid[row][col]['down'] ? grid[row][col]['down']['index'] : null;
            if (across_word_index !== null && across_word_index in word_intersections) {
                return false;
            }
            if (down_word_index !== null && down_word_index in word_intersections) {
                return false;
            }
            word_intersections[across_word_index] = true;
            word_intersections[down_word_index] = true;
            return 1;
        }
        return false;
    }
    var canPlaceWordAt = function(word, row, col, direction, rtl) {
        if (row < 0 || row >= grid.length || col < 0 || col >= grid[row].length) return false;
        var word_intersections = {}
        if (direction == "across") {
            word = rtl || word
            if (col + word.length > grid[row].length) return false;
            if (col - 1 >= 0 && grid[row][col - 1] != null) return false;
            if (col + word.length < grid[row].length && grid[row][col + word.length] != null) return false;
            for (var r = row - 1, c = col, i = 0; r >= 0 && c < col + word.length; c++, i++) {
                var is_empty = grid[r][c] == null;
                var is_intersection = grid[row][c] != null && grid[row][c]['char'] == word[i];
                var can_place_here = is_empty || is_intersection;
                if (!can_place_here) return false;
            }
            for (var r = row + 1, c = col, i = 0; r < grid.length && c < col + word.length; c++, i++) {
                var is_empty = grid[r][c] == null;
                var is_intersection = grid[row][c] != null && grid[row][c]['char'] == word[i];
                var can_place_here = is_empty || is_intersection;
                if (!can_place_here) return false;
            }
            var intersections = 0;
            for (var c = col, i = 0; c < col + word.length; c++, i++) {
                var result = canPlaceCharAt(word[i], row, c, word_intersections);
                if (result === false) return false;
                intersections += result;
            }
        } else if (direction == "down") {
            if (row + word.length > grid.length) return false;
            if (row - 1 >= 0 && grid[row - 1][col] != null) return false;
            if (row + word.length < grid.length && grid[row + word.length][col] != null) return false;
            for (var c = col - 1, r = row, i = 0; c >= 0 && r < row + word.length; r++, i++) {
                var is_empty = grid[r][c] == null;
                var is_intersection = grid[r][col] != null && grid[r][col]['char'] == word[i];
                var can_place_here = is_empty || is_intersection;
                if (!can_place_here) return false;
            }
            for (var c = col + 1, r = row, i = 0; r < row + word.length && c < grid[r].length; r++, i++) {
                var is_empty = grid[r][c] == null;
                var is_intersection = grid[r][col] != null && grid[r][col]['char'] == word[i];
                var can_place_here = is_empty || is_intersection;
                if (!can_place_here) return false;
            }
            var intersections = 0;
            for (var r = row, i = 0; r < row + word.length; r++, i++) {
                var result = canPlaceCharAt(word[i], r, col, word_intersections);
                if (result === false) return false;
                intersections += result;
            }
        } else {
            throw "Invalid Direction";
        }
        return intersections == word.length ? false : intersections;
    }
    var randomDirection = function() {
        return Math.floor(random() * 2) ? "across" : "down";
    }
    var findBestPositionForWord = function(word, rtl) {
        var bests = [];
        for (var i = 0; i < word.length; i++) {
            var possible_locations_on_grid = char_index[word[i]];
            if (!possible_locations_on_grid) continue;
            for (var j = 0; j < possible_locations_on_grid.length; j++) {
                var point = possible_locations_on_grid[j];
                var r = point['row'];
                var c = point['col'];
                var spot = rtl ? (c - (word.length - 1 - i)) : c - i
                var intersections_across = canPlaceWordAt(word, r, spot, "across", rtl);
                var intersections_down = canPlaceWordAt(word, r - i, c, "down");
                if (intersections_across !== false) {
                    bests.push({
                        "intersections": intersections_across,
                        "row": r,
                        "col": spot,
                        "direction": "across"
                    });
                }
                if (intersections_down !== false) {
                    bests.push({
                        "intersections": intersections_down,
                        "row": r - i,
                        "col": c,
                        "direction": "down"
                    });
                }
            }
        }
        if (bests.length == 0) return false;
        shuffle(bests, random);
        var best = bests[0];
        return best;
    }
    var clear = function() {
        for (var r = 0; r < grid.length; r++) {
            for (var c = 0; c < grid[r].length; c++) {
                grid[r][c] = null;
            }
        }
        char_index = {};
    }
    if (words_in.length != clues_in.length) throw "The number of words must equal the number of clues";
    var grid = new Array(GRID_ROWS);
    for (var i = 0; i < GRID_ROWS; i++) {
        grid[i] = new Array(GRID_COLS);
    }
    var word_elements = [];
    for (var i = 0; i < words_in.length; i++) {
        word_elements.push(new WordElement(words_in[i], i));
    }
}
var CrosswordUtils = {
    PATH_TO_PNGS_OF_NUMBERS: "numbers/",
    toHtml: function(grid, show_answers) {
        if (grid == null) return;
        var html = [];
        html.push("<table class='crossword'>");
        var label = 1;
        for (var r = 0; r < grid.length; r++) {
            html.push("<tr>");
            for (var c = 0; c < grid[r].length; c++) {
                var cell = grid[r][c];
                var is_start_of_word = false;
                if (cell == null) {
                    var char = "&nbsp;";
                    var css_class = "no-border";
                } else {
                    var char = cell['char'];
                    var css_class = "";
                    var is_start_of_word = (cell['across'] && cell['across']['is_start_of_word']) || (cell['down'] && cell['down']['is_start_of_word']);
                }
                if (is_start_of_word) {
                    var img_url = CrosswordUtils.PATH_TO_PNGS_OF_NUMBERS + label + ".png";
                    html.push("<td class='" + css_class + "' title='" + r + ", " + c + "' style=\"background-image:url('" + img_url + "')\">");
                    label++;
                } else {
                    html.push("<td class='" + css_class + "' title='" + r + ", " + c + "'>");
                }
                if (show_answers) {
                    html.push(char);
                } else {
                    html.push("&nbsp;");
                }
            }
            html.push("</tr>");
        }
        html.push("</table>");
        return html.join("\n");
    },
    get_cell: function(grid, r, c) {
        try {
            return grid[r][c]
        } catch (e) {
            return null;
        }
    },
    toSvg: function(grid, show_answers) {
        if (grid == null) return;
        var size = 30;
        var stroke_width = 1;
        var height = grid.length;
        var width = grid[0].length;
        var total_height = height * size * stroke_width * 1.5;
        var total_width = width * size + stroke_width * 1.5;
        var view_box = [-stroke_width / 2, -stroke_width / 2, width * size + stroke_width, height * size + stroke_width].join(" ")
        var html = [];
        html.push('<svg viewBox="' + view_box + '" style="width:100%; max-height:' + total_height + 'px; max-width:' + total_width + 'px" xmlns="http://www.w3.org/2000/svg">')
        html.push('<style> g rect { height:' + size + 'px; width:' + size + 'px; fill:rgb(255,255,255); stroke-width:' + stroke_width + '; stroke:rgb(0,0,0); } .cx-c { font-size:12px; font-family:monospace; pointer-events:none; font-weight:bold; } .cx-a { font-size:22px; font-family:monospace; text-anchor:middle; pointer-events:none; } </style>')
        var label = 1;
        for (var r = 0; r < grid.length; r++) {
            for (var c = 0; c < grid[r].length; c++) {
                var cell = grid[r][c];
                if (cell == null) {
                    north = CrosswordUtils.get_cell(grid, r - 1, c)
                    west = CrosswordUtils.get_cell(grid, r, c - 1)
                    south = CrosswordUtils.get_cell(grid, r + 1, c)
                    east = CrosswordUtils.get_cell(grid, r, c + 1)
                    all_ = north && south && east && west
                    if (all_) {
                        html.push('<rect x="' + (c * size) + '" y="' + (r * size) + '" width="' + (size) + '" height="' + (size) + '" fill="#000000" />');
                    }
                    continue
                }
                var char = cell['char'];
                var is_start_of_word = (cell['across'] && cell['across']['is_start_of_word']) || (cell['down'] && cell['down']['is_start_of_word']);
                html.push('<g id="cx-' + r + '-' + c + '">')
                html.push('<rect x="' + (c * size) + '" y="' + (r * size) + '" width="' + size + '" height="' + size + '" />')
                if (is_start_of_word) {
                    html.push('<text class="cx-c" x="' + (c * size + 2) + '" y="' + (r * size + 12 / 2 + 4) + '">' + label + '</text>')
                    label += 1
                }
                html.push('<text class="cx-a" x="' + (c * size + size / 2) + '" y="' + (r * size + size / 2 + 6) + '">' + (show_answers ? escapeHtml(char) : "") + '</text>')
                html.push('</g>');
            }
        }
        html.push("</svg>");
        return html.join("\n");
    }
};
this.tooltip = function() {
    xOffset = 3;
    yOffset = 3;
    $("*[title]").hover(function(e) {
        this.t = this.title;
        this.title = "";
        $("body").append("<p id='tooltip'>" + this.t + "</p>");
        $("#tooltip").css("top", (e.pageY - xOffset) + "px").css("left", (e.pageX + yOffset) + "px").fadeIn("fast");
    }, function() {
        this.title = this.t;
        $("#tooltip").remove();
    });
    $("a.tooltip").mousemove(function(e) {
        $("#tooltip").css("top", (e.pageY - xOffset) + "px").css("left", (e.pageX + yOffset) + "px");
    });
};
$(document).ready(function() {
    tooltip();
});;

function debounce(func, wait, immediate) {
    var timeout;
    return function() {
        var context = this,
            args = arguments;
        var later = function() {
            timeout = null;
            if (!immediate) func.apply(context, args);
        };
        var callNow = immediate && !timeout;
        clearTimeout(timeout);
        timeout = setTimeout(later, wait);
        if (callNow) func.apply(context, args);
    };
};
$(document).ready(function() {
    if (window.JS_PAGE != "home") {
        return;
    }
    var MAX_TRIES = 100;
    document.getElementById('id_title').focus({
        "preventScroll": true
    });

    function breakStringIntoWordClue(line) {
        var line = $.trim(line);
        var word = line.split(/\s+/)[0];
        var clue = $.trim(line.substr(word.length));
        return [word, clue];
    }

    function getWordsAndCluesFromTextbox(words, clues) {
        var lines = $('#id_words').val().split("\n");
        for (var i = 0; i < lines.length; i++) {
            var data = breakStringIntoWordClue(lines[i]);
            if (data.length < 2) continue;
            data[0] = $.trim(data[0]);
            data[1] = $.trim(data[1]);
            if (data[0] == "" || data[1] == "") {
                continue;
            }
            words.push(data[0])
            clues.push(data[1]);
        }
    }

    function addLegendToPage(groups) {
        for (var k in groups) {
            var html = [];
            for (var i = 0; i < groups[k].length; i++) {
                html.push("<li><strong>" + groups[k][i]['position'] + ".</strong> " + groups[k][i]['clue'] + "</li>");
            }
            $('#' + k).html(html.join("\n"));
        }
        $('#clues').show();
    }

    function makeTextboxContentPretty() {
        var words = [],
            clues = [];
        var lines = $('#id_words').val().split("\n");
        for (var i = 0; i < lines.length; i++) {
            var data = breakStringIntoWordClue(lines[i]);
            data[0] = $.trim(data[0]);
            data[1] = $.trim(data[1]);
            if (data[0] == "" && data[1] == "") continue;
            words.push(data[0])
            clues.push(data[1]);
        }
        if (words.length == 0) return;
        var longest_word = words[0].length;
        if (longest_word == 0) return;
        for (var i = 1; i < words.length; i++) {
            if (words[i].length > longest_word) longest_word = words[i].length;
        }
        var buffer = new Array(longest_word + 1);
        var textbox_content = [];
        for (var i = 0; i < words.length; i++) {
            for (var j = 0; j < buffer.length; j++) buffer[j] = " ";
            for (var j = 0; j < words[i].length; j++) buffer[j] = words[i].charAt(j);
            textbox_content.push(buffer.join(""), clues[i], "\n");
        }
        $('#id_words').val(textbox_content.join(""));
    }
    $('#id_words').blur(function() {
        makeTextboxContentPretty();
    })
    try {
        var seed = parseInt(document.getElementById("id_seed").value, 10) || 0;
    } catch (e) {}
    seed = seed || 0;
    $('#seed-left').on("click keypress", clickKey(function(e) {
        e.preventDefault();
        seed--;
        document.getElementById("id_seed").value = seed
        regenerate();
    }));
    $('#seed-right').on("click keypress", clickKey(function(e) {
        e.preventDefault();
        seed++;
        document.getElementById("id_seed").value = seed
        regenerate();
    }));
    $('#build-crossword').on("submit", function(e) {
        var grid = regenerate();
        if (grid === null) {
            alert("Please finish your crossword before submitting");
            e.preventDefault();
        }
    });
    $('#show').on("click", function(e) {
        var type = $('#id_password').attr("type")
        $('#id_password').attr("type", type == "password" ? "text" : "password");
    });
    $('#id_password').on('keyup change', function(e) {
        if (this.value) {
            $('#show').css("opacity", 1);
        } else {
            $('#show').css("opacity", 0);
        }
    }).change();
    var last_words = "";
    var g_words = [],
        g_clues = [];

    function populateWordsAndClues() {
        g_words = [];
        g_clues = [];
        getWordsAndCluesFromTextbox(g_words, g_clues);
    }
    var debounceRegenerate = debounce(function() {
        regenerate(false);
    }, 250, false)
    $(window).resize(debounceRegenerate);

    function regenerate(delay) {
        var space = $('#preview-here');
        populateWordsAndClues()
        var grid = null;
        var width = $('#square').width();
        var height = $('#square').height();
        var scale = width / 612.0;
        $('.crossword-frame').css("transform", "scale(" + scale + ")");
        if (g_words.length == 0) {
            space.removeClass("loading");
            $('#preview-header').css("visibility", "hidden");
            space.html("<div class='message'><div>Preview</div></div>")
            return null;
        }
        var key = seed + g_words.join(" ");
        if (delay) {
            debounceRegenerate();
            if (key == last_words) {
                return;
            }
            $('#preview-header').css("visibility", "hidden");
        } else {
            space.removeClass("loading");
            var cw = new Crossword(g_words, g_clues, seed);
            var grid = cw.getGridWithMaximizedIntersections(10, MAX_TRIES);
            if (grid == null) {
                var bads = cw.getBadWords();
                var bad_words = [];
                for (var i = 0; i < bads.length; i++) {
                    bad_words.push(bads[i].word);
                }
                space.html("<div class='message'><div>Keep adding more words! <span id='why'>Why?</span></div></div>")
                space.find("#why").on("click", function() {
                    alert("We couldn't place these words on the crossword because they don't have enough common letters with other words: " + bad_words.join(", "))
                });
                $('#preview-header').css("visibility", "hidden");
            } else {
                var grid_svg = CrosswordUtils.toSvg(grid, true)
                var legend = cw.getLegend(grid)
                var title = $('#id_title').val();
                var html = [""]
                html.push("<h1>" + escapeHtml(title) + "</h1>");
                html.push(grid_svg);
                html.push("<div class='crossword-frame-clues'>");
                for (var direction in legend) {
                    html.push("<div><h6>" + direction + "</h6><ol>");
                    for (var i = 0; i < legend[direction].length; i++) {
                        var c = legend[direction][i];
                        html.push("<li value='" + c.position + "'>" + escapeHtml(c.clue) + "</li>");
                    }
                    html.push("</ol></div>");
                }
                html.push("</div>");
                console.log(legend)
                space.html(html.join("\n"));
                $('#preview-header').css("visibility", "visible");
                $('#id_legend_json').val(JSON.stringify(legend, null, 2));
            }
        }
        last_words = key;
        return grid;
    }
    $('#id_words').keyup(function() {
        regenerate(true);
    });
    $('#id_title').keyup(function() {
        regenerate(true);
    })
    regenerate()
    makeTextboxContentPretty();
    $('#example').click(function(e) {
        e.preventDefault()
        var lines = $.trim($("#id_words").val());
        lines += "\ndog Man's best friend \ncat Likes to chase mice\nbat Flying mammal\nelephant Has a trunk\nkangaroo Large marsupial";
        $('#id_words').val($.trim(lines));
        $('#id_words').keyup();
        makeTextboxContentPretty();
    });
    if (!window.LOGGED_IN) {
        var inited = false;
        $('#id_permissions_1, #id_permissions_2').on("click", function(e) {
            e.preventDefault();
            if (!inited) {
                $.get("/account/modal", function(data) {
                    var div = $('<div>');
                    div.html(data);
                    $('body').append(div);
                    $('.modal-wrapper').show();
                    window.last_focus = document.activeElement;
                    $('#payment-clicker').focus();
                    $('#payment-clicker').click(function(e) {
                        e.preventDefault();
                        $('#payment-form').slideDown(function() {
                            $('#id_email').focus();
                        });
                    });
                });
            } else {
                $('.modal-wrapper').show();
                window.last_focus = document.activeElement;
                $('#payment-clicker').focus();
            }
            inited = true;
        });
    }
});

function createCookie(name, value, days) {
    if (days) {
        var date = new Date();
        date.setTime(date.getTime() + (days * 24 * 60 * 60 * 1000));
        var expires = "; expires=" + date.toGMTString();
    } else var expires = "";
    var secure = location.protocol === 'https:' ? ";secure" : ""
    document.cookie = name + "=" + value + expires + "; path=/" + secure;
}
try {
    createCookie("timezone", Intl.DateTimeFormat().resolvedOptions().timeZone, 100);
} catch (e) {};
Number.prototype.mod = function(n) {
    return ((this % n) + n) % n;
}

function clamp(lower, n, upper) {
    return Math.min(Math.max(n, lower), upper);
}

function clickKey(f) {
    return function(event) {
        if (event.type === 'click') {
            return f.call(this, event);
        } else if (event.type === 'keypress') {
            var code = event.charCode || event.keyCode;
            if ((code === 32) || (code === 13)) {
                return f.call(this, event);
            }
        } else {
            return true;
        }
    }
}
$(document).ready(function() {
    if (window.JS_PAGE != "view") {
        return
    }
    var zoom_level = 1;
    var target_width = parseInt($('#crossword svg').css("max-width"))
    var delta = target_width - $(window).width();
    var pixels_per_step = delta / 3;
    var percents_per_step = pixels_per_step * 100 / $(window).width();
    var zoom_inc = clamp(30, percents_per_step, 100) / 100;
    console.log(zoom_inc);
    $('#zoom-in').on("click keypress", clickKey(function(e) {
        e.preventDefault();
        zoom_level += zoom_inc;
        zoom_level = Math.min(10, zoom_level);
        $('#crossword svg').css("transform", "scale(" + zoom_level + ")");
    }));
    $('#zoom-out').on("click keypress", clickKey(function(e) {
        e.preventDefault();
        zoom_level -= zoom_inc;
        zoom_level = Math.max(.2, zoom_level);
        $('#crossword svg').css("transform", "scale(" + zoom_level + ")");
    }));
    $('#print-image').on("click keypress", clickKey(function(e) {
        window.print();
    }));
    $('#toggle-layout').click(function() {
        $('#flex-wrapper').toggleClass("clues-stacked");
        var is_vertical = $('#flex-wrapper').hasClass("clues-stacked");
        if (is_vertical) {
            $('#down, #across').removeClass("valid-parent");
            $('#clues').addClass("valid-parent");
            $(this).css("transform", "rotate(90deg)");
        } else {
            $('#down, #across').addClass("valid-parent");
            $('#clues').removeClass("valid-parent");
            $(this).css("transform", "");
        }
    });
    document.ontouchmove = function(e) {}
    $('#menu-expander').click(function() {
        $('#mini-menu').toggleClass("menu-expanded");
        var is_open = $('#mini-menu').hasClass("menu-expanded");
        $('#menu-expander').attr("aria-expanded", is_open ? "true" : "false")
        $('#mini-menu').focus();
    });
    $('#mini-menu').click(function(e) {
        e.stopPropagation();
    });
    $('body').on("click", function() {
        $('#mini-menu').removeClass("menu-expanded");
    });
    $('#clear-puzzle').on('click keypress', clickKey(function() {
        if (confirm("Click OK if you really want to clear the puzzle")) {
            window.clearPuzzle();
        }
    }));
    $('#cancel-show-answers').on("click", function(e) {
        $('#refund-modal').hide();
    });
    $('#show-answers-for-real').on("click", function(e) {
        var confirmation = $('#no-refund-confirmation-text');
        if (confirmation.val().toLowerCase().replace(/\s+/g, '') != "norefundforme") {
            alert("You must type 'No refund for me' to continue");
            confirmation.select();
            confirmation.focus();
        } else {
            SHOW_ANSWER_WARNING = false;
            $('#refund-modal').hide();
            $('#refund-modal').data("ok")()
            var req = new XMLHttpRequest();
            req.open("POST", window.location.pathname.replace("/view/", "/answers/"))
            req.send();
        }
    });
    var original_grid = [];
    var showing_answers = false;
    $('#show-answers-checkbox').on("change", function(e) {
        showing_answers = this.checked;
        if (showing_answers) {
            var req = new XMLHttpRequest();
            req.open("GET", window.location.pathname.replace("/view/", "/answers/"))
            req.send();
            if (SHOW_ANSWER_WARNING) {
                this.checked = false;
                $('#refund-modal').show();
                $('#refund-modal a:first').focus();
                $('#refund-modal').data("ok", function() {
                    $('#show-answers-checkbox').prop("checked", true);
                    $('#show-answers-checkbox').change();
                });
            } else {
                $('svg g').removeClass("correct wrong active highlighted")
                $('#clues li').removeClass("wrong correct active");
                for (var r = 0; r < grid.length; r++) {
                    for (var c = 0; c < grid[r].length; c++) {
                        var cell = grid[r][c];
                        if (cell == null) continue;
                        original_grid.push(getChar(r, c))
                        setChar(r, c, grid[r][c].char);
                    }
                }
            }
        } else {
            var i = 0;
            for (var r = 0; r < grid.length; r++) {
                for (var c = 0; c < grid[r].length; c++) {
                    var cell = grid[r][c];
                    if (cell == null) continue;
                    setChar(r, c, original_grid[i]);
                    i++;
                }
            }
            original_grid = [];
            gradeAll();
        }
    });
    $('#print-form').on('submit', function(e) {
        var val = $('#print-select').val();
        if (val == "this") {
            e.preventDefault();
            window.print();
        }
    });
    $('#share-link').on("click", function(e) {
        e.preventDefault();
        $('#share-modal').show();
        $('#share-modal a:first').focus();
        $('#generate-image').click();
    });
    $(window).keyup(function(e) {
        var ESC = 27;
        if (e.keyCode == ESC) {
            $('.modal-wrapper').hide();
        }
    });
    $('.modal-close').click(function(e) {
        e.preventDefault();
        $('.modal-wrapper').hide();
    });
    $('.copy-link').each(function() {
        var a = new ClipboardJS(this);
    });
    $('.copy-link').on("click", function(e) {
        e.preventDefault();
    });
    var $field = $('#hidden-field');

    function scrollTo(to, then) {
        var el = to;
        var p = getParent(el);
        if (p === window) {
            var newScrollY = window.scrollY + (el.getBoundingClientRect().top)
            var newScrollX = window.scrollX + (el.getBoundingClientRect().left);
            var field_of_view_left = window.scrollX;
            var field_of_view_right = field_of_view_left + $(window).width();
            var field_of_view_top = window.scrollY;
            var field_of_view_bottom = field_of_view_top + $(window).height() - $('#clues').height();
        } else {
            var newScrollY = Math.floor(p.scrollTop + (el.getBoundingClientRect().top - p.getBoundingClientRect().top));
            var newScrollX = Math.floor(p.scrollLeft + (el.getBoundingClientRect().left - p.getBoundingClientRect().left));
            var field_of_view_left = Math.floor(p.scrollLeft);
            var field_of_view_right = Math.floor(field_of_view_left + $(p).width());
            var field_of_view_top = Math.floor(p.scrollTop);
            var field_of_view_bottom = Math.floor(field_of_view_top + $(p).height());
        }
        field_of_view_right -= parseInt(el.getBoundingClientRect().width)
        field_of_view_bottom -= parseInt(el.getBoundingClientRect().height)
        var same = 0;
        if (newScrollX <= field_of_view_right && newScrollX >= field_of_view_left) {
            newScrollX = field_of_view_left;
            same++;
        }
        if (newScrollY <= field_of_view_bottom && newScrollY >= field_of_view_top) {
            newScrollY = field_of_view_top;
            same++;
        }
        then = then || function() {};
        if (same == 2) {
            then(newScrollX, newScrollY, p);
            return;
        }
        if (p === window) {
            $('html, body').finish();
            $('html, body').animate({
                scrollLeft: newScrollX,
                scrollTop: newScrollY,
            }, 250, 'swing', then.bind(null, newScrollX, newScrollY, p));
        } else {
            $(p).finish();
            $(p).animate({
                scrollLeft: newScrollX,
                scrollTop: newScrollY,
            }, 250, 'swing', then.bind(null, newScrollX, newScrollY, p));
        }
        window.scrollTo(0, 0);
        document.body.scrollTop = 0;
    }

    function getIdFromRowAndCol(r, c) {
        return '#cx-' + r + "-" + c;
    }

    function getRowAndColFromId(id) {
        var parts = id.split("-");
        return {
            "row": parseInt(parts[1]),
            "col": parseInt(parts[2])
        };
    }

    function iterWordByIndex(index, f) {
        var is_across = index_to_direction[index] == "across";
        var rc = index_to_row_column[index];
        var r = rc.row,
            c = rc.col;
        if (is_across) {
            var i = 0;
            while (c + i >= 0 && c + i < grid[r].length && grid[r][c + i] != null) {
                var id = getIdFromRowAndCol(r, c + i);
                f(r, c + i, id);
                if (grid[r][c]['across'].rtl) {
                    i--;
                } else {
                    i++;
                }
            }
        } else {
            var i = 0;
            while (r + i < grid.length && grid[r + i][c] != null) {
                var id = getIdFromRowAndCol(r + i, c);
                f(r + i, c, id);
                i++;
            }
        }
    }

    function getAriaDescription() {}

    function gradeAll(index_to_alert_for) {
        var all_done = true;
        $('svg g').removeClass("correct wrong")
        for (var index in index_to_direction) {
            var user_string = "";
            var grid_string = "";
            var cells = [];
            var number_of_filled_non_multi_use_cells = 0;
            var number_of_cells = 0;
            var number_of_filled_cells = 0;
            iterWordByIndex(index, function(r, c, id) {
                var cell = $(id);
                var letter = cell.find(".cx-a").text();
                user_string += letter || " ";
                var g = grid[r][c]
                grid_string += g['char'];
                cells.push(cell)
                if (letter && (g.across === null || g.down === null)) {
                    number_of_filled_non_multi_use_cells++;
                }
                if (letter) {
                    number_of_filled_cells++;
                }
                number_of_cells++;
            });
            var clue = $('#clue-' + index);
            clue.removeClass("wrong correct");
            clue.attr("aria-description", "");
            var is_completely_filled_out = number_of_cells == number_of_filled_cells;
            var is_empty = $.trim(user_string) === "" || (!is_completely_filled_out && number_of_filled_non_multi_use_cells == 0)
            if (is_empty) {
                all_done = false;
                clue.attr("aria-description", number_of_cells + " letters" + ($.trim(user_string) != "" ? (". Hints " + user_string.replace(/ /g, "_")) : ""));
            } else if (user_string.toUpperCase().normalize("NFKC") == grid_string.toUpperCase().normalize("NFKC")) {
                $.map(cells, function(el) {
                    el.addClass("correct");
                });
                if (index_to_alert_for == index) {}
                clue.addClass("correct");
                clue.attr("aria-description", "Correct! Answer: " + user_string)
            } else {
                all_done = false;
                $.map(cells, function(el) {
                    el.addClass("wrong");
                });
                clue.addClass("wrong");
                if (index_to_alert_for == index) {}
                clue.attr("aria-description", "Incorrect! Current response: " + user_string.replace(/ /g, "_"))
            }
            try {
                var key = CROSSWORD_ID + "-" + index;
                if (is_empty) {
                    localStorage.removeItem(key);
                } else {
                    localStorage.setItem(key, user_string)
                }
            } catch (e) {}
        }
        if (all_done) {
            var svg = document.createElement("img");
            svg.setAttribute("src", STAR_URL + "?t=" + (+new Date()));
            svg.style.position = "fixed";
            svg.style.top = "0";
            svg.style.left = "0";
            svg.style.bottom = "0";
            svg.style.right = "0";
            svg.style.width = "100%";
            svg.style.height = "100%";
            svg.style.zIndex = "10";
            svg.onload = function() {
                var that = this;
                setTimeout(function() {
                    that.parentElement.removeChild(that);
                }, 3000);
            }
            svg.onerror = function() {
                this.parentElement.removeChild(this);
            }
            ariaAlert("Congratulations! All done!")
            document.body.appendChild(svg);
        }
    }
    window.clearPuzzle = function() {
        $('.cx-a').each(function() {
            $(this).text("");
        });
        try {
            for (var i = 0; i < localStorage.length; i++) {
                var key = localStorage.key(i);
                if (key.indexOf("" + CROSSWORD_ID + "-") == 0) {
                    localStorage.removeItem(key);
                }
            }
        } catch (e) {}
        gradeAll();
    }
    $('#grade').click(gradeAll);

    function highlightWord() {
        $('.cx .highlighted').removeClass("highlighted");
        iterCurrentWord(function(r, c, id) {
            $(id).addClass("highlighted");
        });
    }
    var active_cell = {
        "ready": false
    }
    var last_index = null;

    function setActiveCell(r, c, index, is_across) {
        if (!showing_answers && index !== null && last_index !== null && last_index != index) {
            gradeAll(last_index);
        }
        if (active_cell['ready']) {
            active_cell['$'].removeClass("active");
        }
        var id = getIdFromRowAndCol(r, c);
        $(id).addClass("active");
        active_cell['ready'] = true;
        active_cell['$'] = $(id);
        active_cell['row'] = r;
        active_cell['col'] = c;
        if (index != null) {
            active_cell['index'] = index;
            active_cell['starting_row'] = index_to_row_column[index]['row'];
            active_cell['starting_col'] = index_to_row_column[index]['col'];
            last_index = index;
            active_cell['rtl'] = grid[r][c][is_across ? "across" : "down"]['rtl']
        }
        active_cell['is_across'] = is_across;
        $field.val("");
        $field.attr("aria-labelledby", "clue-" + index);
        $field.attr("aria-description", $("#clue-" + index).attr("aria-description"));
        $field.select()
        $field.focus();
        scrollToActiveCell();
    }

    function isCellActive(r, c) {
        return $(getIdFromRowAndCol(r, c)).hasClass('active');
    }

    function isCellHighlighted(r, c) {
        return $(getIdFromRowAndCol(r, c)).hasClass('highlighted');
    }

    function highlightClue(index, is_across) {
        $('#clues li').removeClass('active');
        var to = $("#clue-" + index)
        to.addClass("active");
        scrollTo(to.get(0));
        return
        if (is_across) {} else {
            var low_mark = $('#down').scrollTop();
            var high_mark = low_mark + $('#down').height();
            $('#down').scrollTop(0)
            var move_to_offset = $('#down li:first').position().top;
            var to = $("#clue-" + index).addClass('active').position();
            to = to.top - move_to_offset;
            if (to > high_mark || to < low_mark) {
                $('#down').scrollTop(to)
            } else {
                $('#down').scrollTop(low_mark)
            }
        }
    }
    var highlight_across = true;

    function onCellClick(r, c, forced_direction) {
        var cell = grid[r][c];
        forced_direction = forced_direction || false;
        if (cell['across'] && cell['down'] && !forced_direction) {
            if (isCellActive(r, c)) {
                highlight_across = !highlight_across;
            } else if (!isCellHighlighted(r, c)) {
                highlight_across = true;
            }
            if (highlight_across) {
                var index = grid[r][c]['across']['index'];
            } else {
                var index = grid[r][c]['down']['index'];
            }
        } else if ((cell['across'] != null && !forced_direction) || forced_direction == "across") {
            highlight_across = true;
            var index = grid[r][c]['across']['index'];
        } else {
            highlight_across = false;
            var index = grid[r][c]['down']['index'];
        }
        setActiveCell(r, c, index, highlight_across);
        highlightClue(index, highlight_across);
        highlightWord();
        current_index = index;
    }

    function getParent(div) {
        return $(div).closest(".valid-parent").get(0) || window;
        do {
            var hasVerticalScrollbar = div.scrollHeight > div.clientHeight;
            var hasHorizontalScrollbar = div.scrollWidth > div.clientWidth;
            if (hasVerticalScrollbar || hasHorizontalScrollbar) {
                return div;
            }
            div = div.parentElement;
        } while (div != window);
        return window;
    }

    function doFocus() {
        var p = getParent(active_cell['$'].get(0));
        if (p == $('html').get(0)) {
            p = window;
        }
        var top = active_cell['$'].position().top;
        var left = active_cell['$'].position().left;
        var animation_duration = 250;
        var scroll_top = $(p).scrollTop();
        var scroll_left = $(p).scrollLeft();
        if (p === window) {
            var field_of_view_top = $(p).scrollTop();
            var field_of_view_bottom = field_of_view_top + $(p).height() - $('#clues').height();
            if (top > field_of_view_bottom || top < field_of_view_top) {
                scroll_top = top;
            }
        } else {}
        scrollToActiveCell();
    }

    function scrollToActiveCell() {
        var rect = active_cell['$'].find("rect").get(0)
        scrollTo(rect, function(_, _x, p) {
            var x = p === window ? window.scrollX : p.scrollLeft;
            var y = p === window ? window.scrollY : p.scrollTop;
            console.log(x, y);
            var cell_bbox = rect.getBoundingClientRect()
            var parent_bbox = p === window ? {
                top: 0,
                left: 0
            } : p.getBoundingClientRect();
            console.log(y);
            var from_top = cell_bbox.top - parent_bbox.top;
            var from_left = cell_bbox.left - parent_bbox.left;
            console.log(y + from_top);
            $field.css({
                top: Math.floor(y + from_top),
                left: Math.floor(x + from_left),
                width: Math.floor(cell_bbox.width),
                height: Math.floor(cell_bbox.height),
            })
            $field.val("");
            $field.select()
            $field.focus();
        })
    }

    function highlightNextWord() {
        var r = active_cell['starting_row'];
        var c = active_cell['starting_col'];
        if (active_cell['is_across'] && grid[r][c]['down'] && grid[r][c]['down']['is_start_of_word']) {
            onCellClick(r, c, 'down');
            return;
        }
        c = (c + 1) % grid[r].length;
        if (c == 0) r = (r + 1) % grid.length;
        for (; true; r = (r + 1) % grid.length, c = 0) {
            for (; c < grid[r].length; c++) {
                if (!grid[r][c]) continue;
                if (grid[r][c]['across'] && grid[r][c]['across']['is_start_of_word']) {
                    onCellClick(r, c, 'across');
                    return;
                }
                if (grid[r][c]['down'] && grid[r][c]['down']['is_start_of_word']) {
                    onCellClick(r, c, 'down');
                    return;
                }
            }
        }
    }

    function highlightPreviousWord() {
        var r = active_cell['starting_row'];
        var c = active_cell['starting_col'];
        if (!active_cell['is_across'] && grid[r][c]['across'] && grid[r][c]['across']['is_start_of_word']) {
            onCellClick(r, c, 'across');
            return;
        }
        c = (c - 1).mod(grid[r].length);
        if (c == (grid[r].length - 1)) r = (r - 1).mod(grid.length);
        for (; true; r = (r - 1).mod(grid.length), c = grid[r].length - 1) {
            for (; c >= 0; c--) {
                if (!grid[r][c]) continue;
                if (grid[r][c]['down'] && grid[r][c]['down']['is_start_of_word']) {
                    onCellClick(r, c, 'down');
                    return;
                }
                if (grid[r][c]['across'] && grid[r][c]['across']['is_start_of_word']) {
                    onCellClick(r, c, 'across');
                    return;
                }
            }
        }
    }

    function onDownClueClick(e) {
        var id = $(this).attr('id');
        var index = id.replace(/clue-/, '');
        var r = index_to_row_column[index]['row'];
        var c = index_to_row_column[index]['col'];
        onCellClick(r, c, 'down');
    }

    function onAcrossClueClick(e) {
        var id = $(this).attr('id');
        var index = id.replace(/clue-/, '');
        var r = index_to_row_column[index]['row'];
        var c = index_to_row_column[index]['col'];
        onCellClick(r, c, 'across');
    }
    var down = $('#down li');
    for (var i = 0; i < down.length; i++) {
        $(down[i]).on("click keypress", clickKey(onDownClueClick));
    }
    var across = $('#across li');
    for (var i = 0; i < across.length; i++) {
        $(across[i]).on("click keypress", clickKey(onAcrossClueClick));
    }
    $('.cx').on("click", "g", function(e) {
        var r_c = getRowAndColFromId($(this).attr("id"))
        onCellClick(r_c['row'], r_c['col'], undefined);
    });

    function iterCurrentWord(f) {
        var row = active_cell['starting_row'];
        var col = active_cell['starting_col'];
        var rtl = active_cell['rtl'];
        var is_across = active_cell['is_across'];
        var r = row,
            c = col;
        if (is_across) {
            var i = 0;
            while (c + i >= 0 && c + i < grid[r].length && grid[r][c + i] != null) {
                var id = getIdFromRowAndCol(r, c + i);
                f(r, c + i, id);
                if (rtl) {
                    i--;
                } else {
                    i++;
                }
            }
        } else {
            var i = 0;
            while (r + i < grid.length && grid[r + i][c] != null) {
                var id = getIdFromRowAndCol(r + i, c);
                f(r + i, c, id);
                i++;
            }
        }
    }

    function setChar(r, c, chr) {
        var id = getIdFromRowAndCol(r, c);
        $(id).find(".cx-a").text(chr);
    }

    function getChar(r, c) {
        var id = getIdFromRowAndCol(r, c);
        return $(id).find(".cx-a").text();
    }

    function captureKey() {
        if (!active_cell['ready']) return true;
        var input = $('#hidden-field').val();
        if (input.length == 0) {
            return null;
        }
        $('#hidden-field').val("");
        return getSymbols(input)[0];
    }

    function updateState() {
        if (showing_answers) {
            $('#show-answers-checkbox').prop("checked", false).change();
        }
        var rtl = active_cell['rtl']
        var k = captureKey();
        if (k) {
            var r = active_cell['row'];
            var c = active_cell['col'];
            setChar(r, c, k);
            if (highlight_across) {
                if (rtl) {
                    if ($(getIdFromRowAndCol(r, c - 1)).hasClass('highlighted')) {
                        setActiveCell(r, c - 1, null, highlight_across);
                    }
                } else {
                    if ($(getIdFromRowAndCol(r, c + 1)).hasClass('highlighted')) {
                        setActiveCell(r, c + 1, null, highlight_across);
                    }
                }
            } else {
                if ($(getIdFromRowAndCol(r + 1, c)).hasClass('highlighted'))
                    setActiveCell(r + 1, c, null, highlight_across);
            }
        }
    }
    $('#hidden-field').on("input", function(e) {
        if (!active_cell['ready']) return true;
        updateState();
    });
    $('#hidden-field').on("keydown", function(e) {
        if (!active_cell['ready']) return true;
        var r = active_cell['row'];
        var c = active_cell['col'];
        var rtl = active_cell['rtl'];
        if (e.keyCode == 8) {
            if (getChar(r, c) != "") {
                setChar(r, c, "");
            } else {
                if (highlight_across) {
                    if (rtl) {
                        if ($(getIdFromRowAndCol(r, c + 1)).hasClass('highlighted')) {
                            setActiveCell(r, c + 1, null, highlight_across);
                        }
                    } else {
                        if ($(getIdFromRowAndCol(r, c - 1)).hasClass('highlighted')) {
                            setActiveCell(r, c - 1, null, highlight_across);
                        }
                    }
                } else {
                    if ($(getIdFromRowAndCol(r - 1, c)).hasClass('highlighted'))
                        setActiveCell(r - 1, c, null, highlight_across);
                }
                setChar(active_cell['row'], active_cell['col'], "");
            }
        } else if (e.keyCode == 37) {
            handleArrow(r, c - 1);
        } else if (e.keyCode == 38) {
            handleArrow(r - 1, c);
        } else if (e.keyCode == 39) {
            handleArrow(r, c + 1);
        } else if (e.keyCode == 40) {
            handleArrow(r + 1, c);
        } else if (e.shiftKey && e.keyCode == 9) {
            e.preventDefault();
            highlightPreviousWord();
        } else if (e.keyCode == 13 || e.keyCode == 9) {
            e.preventDefault();
            highlightNextWord();
        }
        return true;
    });

    function handleArrow(r, c) {
        console.log(grid.length, grid[0].length);
        if (r >= 0 && r < grid.length && c < grid[0].length && c >= 0) {
            var cell = grid[r][c];
            if (cell) {
                onCellClick(r, c, undefined);
            }
        }
    }
    var comparator = function(rc_a, rc_b) {
        return -1 * (rc_a.row == rc_b.row ? rc_a.col - rc_b.col : rc_a.row - rc_b.row);
    }
    var sortable = [];
    for (var i = 0; i < localStorage.length; i++) {
        var key = localStorage.key(i);
        if (key.indexOf("" + CROSSWORD_ID + "-") == 0) {
            var parts = key.split("-");
            var index = parts[1];
            var rc = index_to_row_column[index]
            if (!rc) {
                continue;
            }
            rc.index = index;
            sortable.push(rc);
            var row = rc.row;
            var col = rc.col;
            var dir = index_to_direction[index];
            var word = localStorage.getItem(key)
            var string = getSymbols(word);
            var rtl = is_rtl(word);
            for (var j = 0; j < string.length; j++) {
                var chr = string[j];
                try {
                    setChar(row, col, chr)
                } catch (e) {
                    break;
                }
                if (dir == "across" && rtl) {
                    col--;
                } else if (dir == "across") {
                    col++;
                } else {
                    row++;
                }
            }
            big_index = Math.max(big_index, index);
        }
    }
    if (sortable.length) {
        var big_index = sortable.sort(comparator)[0].index;
        gradeAll()
    }
    $field.on("blur", function(e) {});
    setupDragger();
    var numbers = document.querySelectorAll(".cx-c")
    for (var i = 0; i < numbers.length; i++) {
        numbers[i].setAttribute("role", "presentation");
    }
});

function setupDragger() {
    var across = document.querySelector("#across-box h5");
    var down = document.querySelector("#down-box h5");
    var start_y = null;
    var moving = false;
    var clues_bar = document.getElementById("clues-bar")
    var start_height = null

    function mouseDown(e) {
        moving = false;
        e.preventDefault();
        if (e.touches && e.touches.length) {
            start_y = e.touches[0].pageY;
            window.addEventListener("touchmove", mouseMove, false);
            window.addEventListener("touchend", mouseUp, false);
        } else {
            start_y = e.pageY;
            window.addEventListener("mousemove", mouseMove, false);
            window.addEventListener("mouseup", mouseUp, false);
        }
    }

    function mouseMove(e) {
        var page_y = e.touches && e.touches.length >= 1 ? e.touches[0].pageY : e.pageY
        if (!moving && Math.abs(page_y - start_y) > 5) {
            moving = true;
            clues_bar.style.height = clues_bar.offsetHeight + "px";
            start_height = clues_bar.offsetHeight;
        }
        if (moving) {
            var delta = start_y - page_y;
            console.log("here");
            var height = start_height + delta;
            if (height < 30) {
                height = 30;
            }
            clues_bar.style.height = height + "px";
        }
    }

    function mouseUp(e) {
        moving = false;
        window.removeEventListener("mouseup", mouseUp);
        window.removeEventListener("mousemove", mouseMove);
        window.removeEventListener("touchend", mouseUp);
        window.removeEventListener("touchmove", mouseMove);
    }
    across.addEventListener("mousedown", mouseDown, false);
    across.addEventListener("touchstart", mouseDown, false);
    down.addEventListener("mousedown", mouseDown, false);
    down.addEventListener("touchstart", mouseDown, false);
}

function ariaAlert(text) {
    var div = document.createElement("div");
    div.setAttribute("role", "alert");
    document.body.appendChild(div)
    div.innerText = text
    setTimeout(function() {
        div.parentElement.removeChild(div);
    }, 1000);
};
/*!
 * clipboard.js v2.0.4
 * https://zenorocha.github.io/clipboard.js
 * 
 * Licensed MIT Â© Zeno Rocha
 */
! 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 function(n) {
        var o = {};

        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
        }
        return r.m = n, 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 = 0)
    }([function(t, e, n) {
        "use strict";
        var r = "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
            },
            i = function() {
                function o(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)
                    }
                }
                return function(t, e, n) {
                    return e && o(t.prototype, e), n && o(t, n), t
                }
            }(),
            a = o(n(1)),
            c = o(n(3)),
            u = o(n(4));

        function o(t) {
            return t && t.__esModule ? t : {
                default: t
            }
        }
        var l = function(t) {
            function o(t, e) {
                ! function(t, e) {
                    if (!(t instanceof e)) throw new TypeError("Cannot call a class as a function")
                }(this, o);
                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, (o.__proto__ || Object.getPrototypeOf(o)).call(this));
                return n.resolveOptions(e), n.listenClick(t), n
            }
            return 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)
            }(o, c.default), i(o, [{
                key: "resolveOptions",
                value: function() {
                    var t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                    this.action = "function" == typeof t.action ? t.action : this.defaultAction, this.target = "function" == typeof t.target ? t.target : this.defaultTarget, this.text = "function" == typeof t.text ? t.text : this.defaultText, this.container = "object" === r(t.container) ? t.container : document.body
                }
            }, {
                key: "listenClick",
                value: function(t) {
                    var e = this;
                    this.listener = (0, u.default)(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 a.default({
                        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 s("action", t)
                }
            }, {
                key: "defaultTarget",
                value: function(t) {
                    var e = s("target", t);
                    if (e) return document.querySelector(e)
                }
            }, {
                key: "defaultText",
                value: function(t) {
                    return s("text", t)
                }
            }, {
                key: "destroy",
                value: function() {
                    this.listener.destroy(), this.clipboardAction && (this.clipboardAction.destroy(), this.clipboardAction = null)
                }
            }], [{
                key: "isSupported",
                value: function() {
                    var t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : ["copy", "cut"],
                        e = "string" == typeof t ? [t] : t,
                        n = !!document.queryCommandSupported;
                    return e.forEach(function(t) {
                        n = n && !!document.queryCommandSupported(t)
                    }), n
                }
            }]), o
        }();

        function s(t, e) {
            var n = "data-clipboard-" + t;
            if (e.hasAttribute(n)) return e.getAttribute(n)
        }
        t.exports = l
    }, function(t, e, n) {
        "use strict";
        var o, r = "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
            },
            i = function() {
                function o(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)
                    }
                }
                return function(t, e, n) {
                    return e && o(t.prototype, e), n && o(t, n), t
                }
            }(),
            a = n(2),
            c = (o = a) && o.__esModule ? o : {
                default: o
            };
        var u = function() {
            function e(t) {
                ! function(t, e) {
                    if (!(t instanceof e)) throw new TypeError("Cannot call a class as a function")
                }(this, e), this.resolveOptions(t), this.initSelection()
            }
            return i(e, [{
                key: "resolveOptions",
                value: function() {
                    var t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : {};
                    this.action = t.action, this.container = t.container, this.emitter = t.emitter, this.target = t.target, this.text = t.text, this.trigger = t.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 = (0, c.default)(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 = (0, c.default)(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(), window.getSelection().removeAllRanges()
                }
            }, {
                key: "destroy",
                value: function() {
                    this.removeFake()
                }
            }, {
                key: "action",
                set: function() {
                    var t = 0 < arguments.length && void 0 !== arguments[0] ? arguments[0] : "copy";
                    if (this._action = t, "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" : r(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
                }
            }]), e
        }();
        t.exports = u
    }, 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
    }, function(t, e, n) {
        var d = n(5),
            h = n(6);
        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, (l = t).addEventListener(s, f), {
                destroy: function() {
                    l.removeEventListener(s, f)
                }
            };
            if (d.nodeList(t)) return a = t, c = e, u = n, Array.prototype.forEach.call(a, function(t) {
                t.addEventListener(c, u)
            }), {
                destroy: function() {
                    Array.prototype.forEach.call(a, function(t) {
                        t.removeEventListener(c, u)
                    })
                }
            };
            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, u, l, 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(7);

        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
            }
        }
    }])
});;