text: (function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
  !function() {
    var d3 = {
      version: "3.5.17"
    };
    var d3_arraySlice = [].slice, d3_array = function(list) {
      return d3_arraySlice.call(list);
    };
    var d3_document = this.document;
    function d3_documentElement(node) {
      return node && (node.ownerDocument || node.document || node).documentElement;
    }
    function d3_window(node) {
      return node && (node.ownerDocument && node.ownerDocument.defaultView || node.document && node || node.defaultView);
    }
    if (d3_document) {
      try {
        d3_array(d3_document.documentElement.childNodes)[0].nodeType;
      } catch (e) {
        d3_array = function(list) {
          var i = list.length, array = new Array(i);
          while (i--) array[i] = list[i];
          return array;
        };
      }
    }
    if (!Date.now) Date.now = function() {
      return +new Date();
    };
    if (d3_document) {
      try {
        d3_document.createElement("DIV").style.setProperty("opacity", 0, "");
      } catch (error) {
        var d3_element_prototype = this.Element.prototype, d3_element_setAttribute = d3_element_prototype.setAttribute, d3_element_setAttributeNS = d3_element_prototype.setAttributeNS, d3_style_prototype = this.CSSStyleDeclaration.prototype, d3_style_setProperty = d3_style_prototype.setProperty;
        d3_element_prototype.setAttribute = function(name, value) {
          d3_element_setAttribute.call(this, name, value + "");
        };
        d3_element_prototype.setAttributeNS = function(space, local, value) {
          d3_element_setAttributeNS.call(this, space, local, value + "");
        };
        d3_style_prototype.setProperty = function(name, value, priority) {
          d3_style_setProperty.call(this, name, value + "", priority);
        };
      }
    }
    d3.ascending = d3_ascending;
    function d3_ascending(a, b) {
      return a < b ? -1 : a > b ? 1 : a >= b ? 0 : NaN;
    }
    d3.descending = function(a, b) {
      return b < a ? -1 : b > a ? 1 : b >= a ? 0 : NaN;
    };
    d3.min = function(array, f) {
      var i = -1, n = array.length, a, b;
      if (arguments.length === 1) {
        while (++i < n) if ((b = array[i]) != null && b >= b) {
          a = b;
          break;
        }
        while (++i < n) if ((b = array[i]) != null && a > b) a = b;
      } else {
        while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
          a = b;
          break;
        }
        while (++i < n) if ((b = f.call(array, array[i], i)) != null && a > b) a = b;
      }
      return a;
    };
    d3.max = function(array, f) {
      var i = -1, n = array.length, a, b;
      if (arguments.length === 1) {
        while (++i < n) if ((b = array[i]) != null && b >= b) {
          a = b;
          break;
        }
        while (++i < n) if ((b = array[i]) != null && b > a) a = b;
      } else {
        while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
          a = b;
          break;
        }
        while (++i < n) if ((b = f.call(array, array[i], i)) != null && b > a) a = b;
      }
      return a;
    };
    d3.extent = function(array, f) {
      var i = -1, n = array.length, a, b, c;
      if (arguments.length === 1) {
        while (++i < n) if ((b = array[i]) != null && b >= b) {
          a = c = b;
          break;
        }
        while (++i < n) if ((b = array[i]) != null) {
          if (a > b) a = b;
          if (c < b) c = b;
        }
      } else {
        while (++i < n) if ((b = f.call(array, array[i], i)) != null && b >= b) {
          a = c = b;
          break;
        }
        while (++i < n) if ((b = f.call(array, array[i], i)) != null) {
          if (a > b) a = b;
          if (c < b) c = b;
        }
      }
      return [ a, c ];
    };
    function d3_number(x) {
      return x === null ? NaN : +x;
    }
    function d3_numeric(x) {
      return !isNaN(x);
    }
    d3.sum = function(array, f) {
      var s = 0, n = array.length, a, i = -1;
      if (arguments.length === 1) {
        while (++i < n) if (d3_numeric(a = +array[i])) s += a;
      } else {
        while (++i < n) if (d3_numeric(a = +f.call(array, array[i], i))) s += a;
      }
      return s;
    };
    d3.mean = function(array, f) {
      var s = 0, n = array.length, a, i = -1, j = n;
      if (arguments.length === 1) {
        while (++i < n) if (d3_numeric(a = d3_number(array[i]))) s += a; else --j;
      } else {
        while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) s += a; else --j;
      }
      if (j) return s / j;
    };
    d3.quantile = function(values, p) {
      var H = (values.length - 1) * p + 1, h = Math.floor(H), v = +values[h - 1], e = H - h;
      return e ? v + e * (values[h] - v) : v;
    };
    d3.median = function(array, f) {
      var numbers = [], n = array.length, a, i = -1;
      if (arguments.length === 1) {
        while (++i < n) if (d3_numeric(a = d3_number(array[i]))) numbers.push(a);
      } else {
        while (++i < n) if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) numbers.push(a);
      }
      if (numbers.length) return d3.quantile(numbers.sort(d3_ascending), .5);
    };
    d3.variance = function(array, f) {
      var n = array.length, m = 0, a, d, s = 0, i = -1, j = 0;
      if (arguments.length === 1) {
        while (++i < n) {
          if (d3_numeric(a = d3_number(array[i]))) {
            d = a - m;
            m += d / ++j;
            s += d * (a - m);
          }
        }
      } else {
        while (++i < n) {
          if (d3_numeric(a = d3_number(f.call(array, array[i], i)))) {
            d = a - m;
            m += d / ++j;
            s += d * (a - m);
          }
        }
      }
      if (j > 1) return s / (j - 1);
    };
    d3.deviation = function() {
      var v = d3.variance.apply(this, arguments);
      return v ? Math.sqrt(v) : v;
    };
    function d3_bisector(compare) {
      return {
        left: function(a, x, lo, hi) {
          if (arguments.length < 3) lo = 0;
          if (arguments.length < 4) hi = a.length;
          while (lo < hi) {
            var mid = lo + hi >>> 1;
            if (compare(a[mid], x) < 0) lo = mid + 1; else hi = mid;
          }
          return lo;
        },
        right: function(a, x, lo, hi) {
          if (arguments.length < 3) lo = 0;
          if (arguments.length < 4) hi = a.length;
          while (lo < hi) {
            var mid = lo + hi >>> 1;
            if (compare(a[mid], x) > 0) hi = mid; else lo = mid + 1;
          }
          return lo;
        }
      };
    }
    var d3_bisect = d3_bisector(d3_ascending);
    d3.bisectLeft = d3_bisect.left;
    d3.bisect = d3.bisectRight = d3_bisect.right;
    d3.bisector = function(f) {
      return d3_bisector(f.length === 1 ? function(d, x) {
        return d3_ascending(f(d), x);
      } : f);
    };
    d3.shuffle = function(array, i0, i1) {
      if ((m = arguments.length) < 3) {
        i1 = array.length;
        if (m < 2) i0 = 0;
      }
      var m = i1 - i0, t, i;
      while (m) {
        i = Math.random() * m-- | 0;
        t = array[m + i0], array[m + i0] = array[i + i0], array[i + i0] = t;
      }
      return array;
    };
    d3.permute = function(array, indexes) {
      var i = indexes.length, permutes = new Array(i);
      while (i--) permutes[i] = array[indexes[i]];
      return permutes;
    };
    d3.pairs = function(array) {
      var i = 0, n = array.length - 1, p0, p1 = array[0], pairs = new Array(n < 0 ? 0 : n);
      while (i < n) pairs[i] = [ p0 = p1, p1 = array[++i] ];
      return pairs;
    };
    d3.transpose = function(matrix) {
      if (!(n = matrix.length)) return [];
      for (var i = -1, m = d3.min(matrix, d3_transposeLength), transpose = new Array(m); ++i < m; ) {
        for (var j = -1, n, row = transpose[i] = new Array(n); ++j < n; ) {
          row[j] = matrix[j][i];
        }
      }
      return transpose;
    };
    function d3_transposeLength(d) {
      return d.length;
    }
    d3.zip = function() {
      return d3.transpose(arguments);
    };
    d3.keys = function(map) {
      var keys = [];
      for (var key in map) keys.push(key);
      return keys;
    };
    d3.values = function(map) {
      var values = [];
      for (var key in map) values.push(map[key]);
      return values;
    };
    d3.entries = function(map) {
      var entries = [];
      for (var key in map) entries.push({
        key: key,
        value: map[key]
      });
      return entries;
    };
    d3.merge = function(arrays) {
      var n = arrays.length, m, i = -1, j = 0, merged, array;
      while (++i < n) j += arrays[i].length;
      merged = new Array(j);
      while (--n >= 0) {
        array = arrays[n];
        m = array.length;
        while (--m >= 0) {
          merged[--j] = array[m];
        }
      }
      return merged;
    };
    var abs = Math.abs;
    d3.range = function(start, stop, step) {
      if (arguments.length < 3) {
        step = 1;
        if (arguments.length < 2) {
          stop = start;
          start = 0;
        }
      }
      if ((stop - start) / step === Infinity) throw new Error("infinite range");
      var range = [], k = d3_range_integerScale(abs(step)), i = -1, j;
      start *= k, stop *= k, step *= k;
      if (step < 0) while ((j = start + step * ++i) > stop) range.push(j / k); else while ((j = start + step * ++i) < stop) range.push(j / k);
      return range;
    };
    function d3_range_integerScale(x) {
      var k = 1;
      while (x * k % 1) k *= 10;
      return k;
    }
    function d3_class(ctor, properties) {
      for (var key in properties) {
        Object.defineProperty(ctor.prototype, key, {
          value: properties[key],
          enumerable: false
        });
      }
    }
    d3.map = function(object, f) {
      var map = new d3_Map();
      if (object instanceof d3_Map) {
        object.forEach(function(key, value) {
          map.set(key, value);
        });
      } else if (Array.isArray(object)) {
        var i = -1, n = object.length, o;
        if (arguments.length === 1) while (++i < n) map.set(i, object[i]); else while (++i < n) map.set(f.call(object, o = object[i], i), o);
      } else {
        for (var key in object) map.set(key, object[key]);
      }
      return map;
    };
    function d3_Map() {
      this._ = Object.create(null);
    }
    var d3_map_proto = "__proto__", d3_map_zero = "\x00";
    d3_class(d3_Map, {
      has: d3_map_has,
      get: function(key) {
        return this._[d3_map_escape(key)];
      },
      set: function(key, value) {
        return this._[d3_map_escape(key)] = value;
      },
      remove: d3_map_remove,
      keys: d3_map_keys,
      values: function() {
        var values = [];
        for (var key in this._) values.push(this._[key]);
        return values;
      },
      entries: function() {
        var entries = [];
        for (var key in this._) entries.push({
          key: d3_map_unescape(key),
          value: this._[key]
        });
        return entries;
      },
      size: d3_map_size,
      empty: d3_map_empty,
      forEach: function(f) {
        for (var key in this._) f.call(this, d3_map_unescape(key), this._[key]);
      }
    });
    function d3_map_escape(key) {
      return (key += "") === d3_map_proto || key[0] === d3_map_zero ? d3_map_zero + key : key;
    }
    function d3_map_unescape(key) {
      return (key += "")[0] === d3_map_zero ? key.slice(1) : key;
    }
    function d3_map_has(key) {
      return d3_map_escape(key) in this._;
    }
    function d3_map_remove(key) {
      return (key = d3_map_escape(key)) in this._ && delete this._[key];
    }
    function d3_map_keys() {
      var keys = [];
      for (var key in this._) keys.push(d3_map_unescape(key));
      return keys;
    }
    function d3_map_size() {
      var size = 0;
      for (var key in this._) ++size;
      return size;
    }
    function d3_map_empty() {
      for (var key in this._) return false;
      return true;
    }
    d3.nest = function() {
      var nest = {}, keys = [], sortKeys = [], sortValues, rollup;
      function map(mapType, array, depth) {
        if (depth >= keys.length) return rollup ? rollup.call(nest, array) : sortValues ? array.sort(sortValues) : array;
        var i = -1, n = array.length, key = keys[depth++], keyValue, object, setter, valuesByKey = new d3_Map(), values;
        while (++i < n) {
          if (values = valuesByKey.get(keyValue = key(object = array[i]))) {
            values.push(object);
          } else {
            valuesByKey.set(keyValue, [ object ]);
          }
        }
        if (mapType) {
          object = mapType();
          setter = function(keyValue, values) {
            object.set(keyValue, map(mapType, values, depth));
          };
        } else {
          object = {};
          setter = function(keyValue, values) {
            object[keyValue] = map(mapType, values, depth);
          };
        }
        valuesByKey.forEach(setter);
        return object;
      }
      function entries(map, depth) {
        if (depth >= keys.length) return map;
        var array = [], sortKey = sortKeys[depth++];
        map.forEach(function(key, keyMap) {
          array.push({
            key: key,
            values: entries(keyMap, depth)
          });
        });
        return sortKey ? array.sort(function(a, b) {
          return sortKey(a.key, b.key);
        }) : array;
      }
      nest.map = function(array, mapType) {
        return map(mapType, array, 0);
      };
      nest.entries = function(array) {
        return entries(map(d3.map, array, 0), 0);
      };
      nest.key = function(d) {
        keys.push(d);
        return nest;
      };
      nest.sortKeys = function(order) {
        sortKeys[keys.length - 1] = order;
        return nest;
      };
      nest.sortValues = function(order) {
        sortValues = order;
        return nest;
      };
      nest.rollup = function(f) {
        rollup = f;
        return nest;
      };
      return nest;
    };
    d3.set = function(array) {
      var set = new d3_Set();
      if (array) for (var i = 0, n = array.length; i < n; ++i) set.add(array[i]);
      return set;
    };
    function d3_Set() {
      this._ = Object.create(null);
    }
    d3_class(d3_Set, {
      has: d3_map_has,
      add: function(key) {
        this._[d3_map_escape(key += "")] = true;
        return key;
      },
      remove: d3_map_remove,
      values: d3_map_keys,
      size: d3_map_size,
      empty: d3_map_empty,
      forEach: function(f) {
        for (var key in this._) f.call(this, d3_map_unescape(key));
      }
    });
    d3.behavior = {};
    function d3_identity(d) {
      return d;
    }
    d3.rebind = function(target, source) {
      var i = 1, n = arguments.length, method;
      while (++i < n) target[method = arguments[i]] = d3_rebind(target, source, source[method]);
      return target;
    };
    function d3_rebind(target, source, method) {
      return function() {
        var value = method.apply(source, arguments);
        return value === source ? target : value;
      };
    }
    function d3_vendorSymbol(object, name) {
      if (name in object) return name;
      name = name.charAt(0).toUpperCase() + name.slice(1);
      for (var i = 0, n = d3_vendorPrefixes.length; i < n; ++i) {
        var prefixName = d3_vendorPrefixes[i] + name;
        if (prefixName in object) return prefixName;
      }
    }
    var d3_vendorPrefixes = [ "webkit", "ms", "moz", "Moz", "o", "O" ];
    function d3_noop() {}
    d3.dispatch = function() {
      var dispatch = new d3_dispatch(), i = -1, n = arguments.length;
      while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
      return dispatch;
    };
    function d3_dispatch() {}
    d3_dispatch.prototype.on = function(type, listener) {
      var i = type.indexOf("."), name = "";
      if (i >= 0) {
        name = type.slice(i + 1);
        type = type.slice(0, i);
      }
      if (type) return arguments.length < 2 ? this[type].on(name) : this[type].on(name, listener);
      if (arguments.length === 2) {
        if (listener == null) for (type in this) {
          if (this.hasOwnProperty(type)) this[type].on(name, null);
        }
        return this;
      }
    };
    function d3_dispatch_event(dispatch) {
      var listeners = [], listenerByName = new d3_Map();
      function event() {
        var z = listeners, i = -1, n = z.length, l;
        while (++i < n) if (l = z[i].on) l.apply(this, arguments);
        return dispatch;
      }
      event.on = function(name, listener) {
        var l = listenerByName.get(name), i;
        if (arguments.length < 2) return l && l.on;
        if (l) {
          l.on = null;
          listeners = listeners.slice(0, i = listeners.indexOf(l)).concat(listeners.slice(i + 1));
          listenerByName.remove(name);
        }
        if (listener) listeners.push(listenerByName.set(name, {
          on: listener
        }));
        return dispatch;
      };
      return event;
    }
    d3.event = null;
    function d3_eventPreventDefault() {
      d3.event.preventDefault();
    }
    function d3_eventSource() {
      var e = d3.event, s;
      while (s = e.sourceEvent) e = s;
      return e;
    }
    function d3_eventDispatch(target) {
      var dispatch = new d3_dispatch(), i = 0, n = arguments.length;
      while (++i < n) dispatch[arguments[i]] = d3_dispatch_event(dispatch);
      dispatch.of = function(thiz, argumentz) {
        return function(e1) {
          try {
            var e0 = e1.sourceEvent = d3.event;
            e1.target = target;
            d3.event = e1;
            dispatch[e1.type].apply(thiz, argumentz);
          } finally {
            d3.event = e0;
          }
        };
      };
      return dispatch;
    }
    d3.requote = function(s) {
      return s.replace(d3_requote_re, "\\$&");
    };
    var d3_requote_re = /[\\\^\$\*\+\?\|\[\]\(\)\.\{\}]/g;
    var d3_subclass = {}.__proto__ ? function(object, prototype) {
      object.__proto__ = prototype;
    } : function(object, prototype) {
      for (var property in prototype) object[property] = prototype[property];
    };
    function d3_selection(groups) {
      d3_subclass(groups, d3_selectionPrototype);
      return groups;
    }
    var d3_select = function(s, n) {
      return n.querySelector(s);
    }, d3_selectAll = function(s, n) {
      return n.querySelectorAll(s);
    }, d3_selectMatches = function(n, s) {
      var d3_selectMatcher = n.matches || n[d3_vendorSymbol(n, "matchesSelector")];
      d3_selectMatches = function(n, s) {
        return d3_selectMatcher.call(n, s);
      };
      return d3_selectMatches(n, s);
    };
    if (typeof Sizzle === "function") {
      d3_select = function(s, n) {
        return Sizzle(s, n)[0] || null;
      };
      d3_selectAll = Sizzle;
      d3_selectMatches = Sizzle.matchesSelector;
    }
    d3.selection = function() {
      return d3.select(d3_document.documentElement);
    };
    var d3_selectionPrototype = d3.selection.prototype = [];
    d3_selectionPrototype.select = function(selector) {
      var subgroups = [], subgroup, subnode, group, node;
      selector = d3_selection_selector(selector);
      for (var j = -1, m = this.length; ++j < m; ) {
        subgroups.push(subgroup = []);
        subgroup.parentNode = (group = this[j]).parentNode;
        for (var i = -1, n = group.length; ++i < n; ) {
          if (node = group[i]) {
            subgroup.push(subnode = selector.call(node, node.__data__, i, j));
            if (subnode && "__data__" in node) subnode.__data__ = node.__data__;
          } else {
            subgroup.push(null);
          }
        }
      }
      return d3_selection(subgroups);
    };
    function d3_selection_selector(selector) {
      return typeof selector === "function" ? selector : function() {
        return d3_select(selector, this);
      };
    }
    d3_selectionPrototype.selectAll = function(selector) {
      var subgroups = [], subgroup, node;
      selector = d3_selection_selectorAll(selector);
      for (var j = -1, m = this.length; ++j < m; ) {
        for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
          if (node = group[i]) {
            subgroups.push(subgroup = d3_array(selector.call(node, node.__data__, i, j)));
            subgroup.parentNode = node;
          }
        }
      }
      return d3_selection(subgroups);
    };
    function d3_selection_selectorAll(selector) {
      return typeof selector === "function" ? selector : function() {
        return d3_selectAll(selector, this);
      };
    }
    var d3_nsXhtml = "http://www.w3.org/1999/xhtml";
    var d3_nsPrefix = {
      svg: "http://www.w3.org/2000/svg",
      xhtml: d3_nsXhtml,
      xlink: "http://www.w3.org/1999/xlink",
      xml: "http://www.w3.org/XML/1998/namespace",
      xmlns: "http://www.w3.org/2000/xmlns/"
    };
    d3.ns = {
      prefix: d3_nsPrefix,
      qualify: function(name) {
        var i = name.indexOf(":"), prefix = name;
        if (i >= 0 && (prefix = name.slice(0, i)) !== "xmlns") name = name.slice(i + 1);
        return d3_nsPrefix.hasOwnProperty(prefix) ? {
          space: d3_nsPrefix[prefix],
          local: name
        } : name;
      }
    };
    d3_selectionPrototype.attr = function(name, value) {
      if (arguments.length < 2) {
        if (typeof name === "string") {
          var node = this.node();
          name = d3.ns.qualify(name);
          return name.local ? node.getAttributeNS(name.space, name.local) : node.getAttribute(name);
        }
        for (value in name) this.each(d3_selection_attr(value, name[value]));
        return this;
      }
      return this.each(d3_selection_attr(name, value));
    };
    function d3_selection_attr(name, value) {
      name = d3.ns.qualify(name);
      function attrNull() {
        this.removeAttribute(name);
      }
      function attrNullNS() {
        this.removeAttributeNS(name.space, name.local);
      }
      function attrConstant() {
        this.setAttribute(name, value);
      }
      function attrConstantNS() {
        this.setAttributeNS(name.space, name.local, value);
      }
      function attrFunction() {
        var x = value.apply(this, arguments);
        if (x == null) this.removeAttribute(name); else this.setAttribute(name, x);
      }
      function attrFunctionNS() {
        var x = value.apply(this, arguments);
        if (x == null) this.removeAttributeNS(name.space, name.local); else this.setAttributeNS(name.space, name.local, x);
      }
      return value == null ? name.local ? attrNullNS : attrNull : typeof value === "function" ? name.local ? attrFunctionNS : attrFunction : name.local ? attrConstantNS : attrConstant;
    }
    function d3_collapse(s) {
      return s.trim().replace(/\s+/g, " ");
    }
    d3_selectionPrototype.classed = function(name, value) {
      if (arguments.length < 2) {
        if (typeof name === "string") {
          var node = this.node(), n = (name = d3_selection_classes(name)).length, i = -1;
          if (value = node.classList) {
            while (++i < n) if (!value.contains(name[i])) return false;
          } else {
            value = node.getAttribute("class");
            while (++i < n) if (!d3_selection_classedRe(name[i]).test(value)) return false;
          }
          return true;
        }
        for (value in name) this.each(d3_selection_classed(value, name[value]));
        return this;
      }
      return this.each(d3_selection_classed(name, value));
    };
    function d3_selection_classedRe(name) {
      return new RegExp("(?:^|\\s+)" + d3.requote(name) + "(?:\\s+|$)", "g");
    }
    function d3_selection_classes(name) {
      return (name + "").trim().split(/^|\s+/);
    }
    function d3_selection_classed(name, value) {
      name = d3_selection_classes(name).map(d3_selection_classedName);
      var n = name.length;
      function classedConstant() {
        var i = -1;
        while (++i < n) name[i](this, value);
      }
      function classedFunction() {
        var i = -1, x = value.apply(this, arguments);
        while (++i < n) name[i](this, x);
      }
      return typeof value === "function" ? classedFunction : classedConstant;
    }
    function d3_selection_classedName(name) {
      var re = d3_selection_classedRe(name);
      return function(node, value) {
        if (c = node.classList) return value ? c.add(name) : c.remove(name);
        var c = node.getAttribute("class") || "";
        if (value) {
          re.lastIndex = 0;
          if (!re.test(c)) node.setAttribute("class", d3_collapse(c + " " + name));
        } else {
          node.setAttribute("class", d3_collapse(c.replace(re, " ")));
        }
      };
    }
    d3_selectionPrototype.style = function(name, value, priority) {
      var n = arguments.length;
      if (n < 3) {
        if (typeof name !== "string") {
          if (n < 2) value = "";
          for (priority in name) this.each(d3_selection_style(priority, name[priority], value));
          return this;
        }
        if (n < 2) {
          var node = this.node();
          return d3_window(node).getComputedStyle(node, null).getPropertyValue(name);
        }
        priority = "";
      }
      return this.each(d3_selection_style(name, value, priority));
    };
    function d3_selection_style(name, value, priority) {
      function styleNull() {
        this.style.removeProperty(name);
      }
      function styleConstant() {
        this.style.setProperty(name, value, priority);
      }
      function styleFunction() {
        var x = value.apply(this, arguments);
        if (x == null) this.style.removeProperty(name); else this.style.setProperty(name, x, priority);
      }
      return value == null ? styleNull : typeof value === "function" ? styleFunction : styleConstant;
    }
    d3_selectionPrototype.property = function(name, value) {
      if (arguments.length < 2) {
        if (typeof name === "string") return this.node()[name];
        for (value in name) this.each(d3_selection_property(value, name[value]));
        return this;
      }
      return this.each(d3_selection_property(name, value));
    };
    function d3_selection_property(name, value) {
      function propertyNull() {
        delete this[name];
      }
      function propertyConstant() {
        this[name] = value;
      }
      function propertyFunction() {
        var x = value.apply(this, arguments);
        if (x == null) delete this[name]; else this[name] = x;
      }
      return value == null ? propertyNull : typeof value === "function" ? propertyFunction : propertyConstant;
    }
    d3_selectionPrototype.text = function(value) {
      return arguments.length ? this.each(typeof value === "function" ? function() {
        var v = value.apply(this, arguments);
        this.textContent = v == null ? "" : v;
      } : value == null ? function() {
        this.textContent = "";
      } : function() {
        this.textContent = value;
      }) : this.node().textContent;
    };
    d3_selectionPrototype.html = function(value) {
      return arguments.length ? this.each(typeof value === "function" ? function() {
        var v = value.apply(this, arguments);
        this.innerHTML = v == null ? "" : v;
      } : value == null ? function() {
        this.innerHTML = "";
      } : function() {
        this.innerHTML = value;
      }) : this.node().innerHTML;
    };
    d3_selectionPrototype.append = function(name) {
      name = d3_selection_creator(name);
      return this.select(function() {
        return this.appendChild(name.apply(this, arguments));
      });
    };
    function d3_selection_creator(name) {
      function create() {
        var document = this.ownerDocument, namespace = this.namespaceURI;
        return namespace === d3_nsXhtml && document.documentElement.namespaceURI === d3_nsXhtml ? document.createElement(name) : document.createElementNS(namespace, name);
      }
      function createNS() {
        return this.ownerDocument.createElementNS(name.space, name.local);
      }
      return typeof name === "function" ? name : (name = d3.ns.qualify(name)).local ? createNS : create;
    }
    d3_selectionPrototype.insert = function(name, before) {
      name = d3_selection_creator(name);
      before = d3_selection_selector(before);
      return this.select(function() {
        return this.insertBefore(name.apply(this, arguments), before.apply(this, arguments) || null);
      });
    };
    d3_selectionPrototype.remove = function() {
      return this.each(d3_selectionRemove);
    };
    function d3_selectionRemove() {
      var parent = this.parentNode;
      if (parent) parent.removeChild(this);
    }
    d3_selectionPrototype.data = function(value, key) {
      var i = -1, n = this.length, group, node;
      if (!arguments.length) {
        value = new Array(n = (group = this[0]).length);
        while (++i < n) {
          if (node = group[i]) {
            value[i] = node.__data__;
          }
        }
        return value;
      }
      function bind(group, groupData) {
        var i, n = group.length, m = groupData.length, n0 = Math.min(n, m), updateNodes = new Array(m), enterNodes = new Array(m), exitNodes = new Array(n), node, nodeData;
        if (key) {
          var nodeByKeyValue = new d3_Map(), keyValues = new Array(n), keyValue;
          for (i = -1; ++i < n; ) {
            if (node = group[i]) {
              if (nodeByKeyValue.has(keyValue = key.call(node, node.__data__, i))) {
                exitNodes[i] = node;
              } else {
                nodeByKeyValue.set(keyValue, node);
              }
              keyValues[i] = keyValue;
            }
          }
          for (i = -1; ++i < m; ) {
            if (!(node = nodeByKeyValue.get(keyValue = key.call(groupData, nodeData = groupData[i], i)))) {
              enterNodes[i] = d3_selection_dataNode(nodeData);
            } else if (node !== true) {
              updateNodes[i] = node;
              node.__data__ = nodeData;
            }
            nodeByKeyValue.set(keyValue, true);
          }
          for (i = -1; ++i < n; ) {
            if (i in keyValues && nodeByKeyValue.get(keyValues[i]) !== true) {
              exitNodes[i] = group[i];
            }
          }
        } else {
          for (i = -1; ++i < n0; ) {
            node = group[i];
            nodeData = groupData[i];
            if (node) {
              node.__data__ = nodeData;
              updateNodes[i] = node;
            } else {
              enterNodes[i] = d3_selection_dataNode(nodeData);
            }
          }
          for (;i < m; ++i) {
            enterNodes[i] = d3_selection_dataNode(groupData[i]);
          }
          for (;i < n; ++i) {
            exitNodes[i] = group[i];
          }
        }
        enterNodes.update = updateNodes;
        enterNodes.parentNode = updateNodes.parentNode = exitNodes.parentNode = group.parentNode;
        enter.push(enterNodes);
        update.push(updateNodes);
        exit.push(exitNodes);
      }
      var enter = d3_selection_enter([]), update = d3_selection([]), exit = d3_selection([]);
      if (typeof value === "function") {
        while (++i < n) {
          bind(group = this[i], value.call(group, group.parentNode.__data__, i));
        }
      } else {
        while (++i < n) {
          bind(group = this[i], value);
        }
      }
      update.enter = function() {
        return enter;
      };
      update.exit = function() {
        return exit;
      };
      return update;
    };
    function d3_selection_dataNode(data) {
      return {
        __data__: data
      };
    }
    d3_selectionPrototype.datum = function(value) {
      return arguments.length ? this.property("__data__", value) : this.property("__data__");
    };
    d3_selectionPrototype.filter = function(filter) {
      var subgroups = [], subgroup, group, node;
      if (typeof filter !== "function") filter = d3_selection_filter(filter);
      for (var j = 0, m = this.length; j < m; j++) {
        subgroups.push(subgroup = []);
        subgroup.parentNode = (group = this[j]).parentNode;
        for (var i = 0, n = group.length; i < n; i++) {
          if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
            subgroup.push(node);
          }
        }
      }
      return d3_selection(subgroups);
    };
    function d3_selection_filter(selector) {
      return function() {
        return d3_selectMatches(this, selector);
      };
    }
    d3_selectionPrototype.order = function() {
      for (var j = -1, m = this.length; ++j < m; ) {
        for (var group = this[j], i = group.length - 1, next = group[i], node; --i >= 0; ) {
          if (node = group[i]) {
            if (next && next !== node.nextSibling) next.parentNode.insertBefore(node, next);
            next = node;
          }
        }
      }
      return this;
    };
    d3_selectionPrototype.sort = function(comparator) {
      comparator = d3_selection_sortComparator.apply(this, arguments);
      for (var j = -1, m = this.length; ++j < m; ) this[j].sort(comparator);
      return this.order();
    };
    function d3_selection_sortComparator(comparator) {
      if (!arguments.length) comparator = d3_ascending;
      return function(a, b) {
        return a && b ? comparator(a.__data__, b.__data__) : !a - !b;
      };
    }
    d3_selectionPrototype.each = function(callback) {
      return d3_selection_each(this, function(node, i, j) {
        callback.call(node, node.__data__, i, j);
      });
    };
    function d3_selection_each(groups, callback) {
      for (var j = 0, m = groups.length; j < m; j++) {
        for (var group = groups[j], i = 0, n = group.length, node; i < n; i++) {
          if (node = group[i]) callback(node, i, j);
        }
      }
      return groups;
    }
    d3_selectionPrototype.call = function(callback) {
      var args = d3_array(arguments);
      callback.apply(args[0] = this, args);
      return this;
    };
    d3_selectionPrototype.empty = function() {
      return !this.node();
    };
    d3_selectionPrototype.node = function() {
      for (var j = 0, m = this.length; j < m; j++) {
        for (var group = this[j], i = 0, n = group.length; i < n; i++) {
          var node = group[i];
          if (node) return node;
        }
      }
      return null;
    };
    d3_selectionPrototype.size = function() {
      var n = 0;
      d3_selection_each(this, function() {
        ++n;
      });
      return n;
    };
    function d3_selection_enter(selection) {
      d3_subclass(selection, d3_selection_enterPrototype);
      return selection;
    }
    var d3_selection_enterPrototype = [];
    d3.selection.enter = d3_selection_enter;
    d3.selection.enter.prototype = d3_selection_enterPrototype;
    d3_selection_enterPrototype.append = d3_selectionPrototype.append;
    d3_selection_enterPrototype.empty = d3_selectionPrototype.empty;
    d3_selection_enterPrototype.node = d3_selectionPrototype.node;
    d3_selection_enterPrototype.call = d3_selectionPrototype.call;
    d3_selection_enterPrototype.size = d3_selectionPrototype.size;
    d3_selection_enterPrototype.select = function(selector) {
      var subgroups = [], subgroup, subnode, upgroup, group, node;
      for (var j = -1, m = this.length; ++j < m; ) {
        upgroup = (group = this[j]).update;
        subgroups.push(subgroup = []);
        subgroup.parentNode = group.parentNode;
        for (var i = -1, n = group.length; ++i < n; ) {
          if (node = group[i]) {
            subgroup.push(upgroup[i] = subnode = selector.call(group.parentNode, node.__data__, i, j));
            subnode.__data__ = node.__data__;
          } else {
            subgroup.push(null);
          }
        }
      }
      return d3_selection(subgroups);
    };
    d3_selection_enterPrototype.insert = function(name, before) {
      if (arguments.length < 2) before = d3_selection_enterInsertBefore(this);
      return d3_selectionPrototype.insert.call(this, name, before);
    };
    function d3_selection_enterInsertBefore(enter) {
      var i0, j0;
      return function(d, i, j) {
        var group = enter[j].update, n = group.length, node;
        if (j != j0) j0 = j, i0 = 0;
        if (i >= i0) i0 = i + 1;
        while (!(node = group[i0]) && ++i0 < n) ;
        return node;
      };
    }
    d3.select = function(node) {
      var group;
      if (typeof node === "string") {
        group = [ d3_select(node, d3_document) ];
        group.parentNode = d3_document.documentElement;
      } else {
        group = [ node ];
        group.parentNode = d3_documentElement(node);
      }
      return d3_selection([ group ]);
    };
    d3.selectAll = function(nodes) {
      var group;
      if (typeof nodes === "string") {
        group = d3_array(d3_selectAll(nodes, d3_document));
        group.parentNode = d3_document.documentElement;
      } else {
        group = d3_array(nodes);
        group.parentNode = null;
      }
      return d3_selection([ group ]);
    };
    d3_selectionPrototype.on = function(type, listener, capture) {
      var n = arguments.length;
      if (n < 3) {
        if (typeof type !== "string") {
          if (n < 2) listener = false;
          for (capture in type) this.each(d3_selection_on(capture, type[capture], listener));
          return this;
        }
        if (n < 2) return (n = this.node()["__on" + type]) && n._;
        capture = false;
      }
      return this.each(d3_selection_on(type, listener, capture));
    };
    function d3_selection_on(type, listener, capture) {
      var name = "__on" + type, i = type.indexOf("."), wrap = d3_selection_onListener;
      if (i > 0) type = type.slice(0, i);
      var filter = d3_selection_onFilters.get(type);
      if (filter) type = filter, wrap = d3_selection_onFilter;
      function onRemove() {
        var l = this[name];
        if (l) {
          this.removeEventListener(type, l, l.$);
          delete this[name];
        }
      }
      function onAdd() {
        var l = wrap(listener, d3_array(arguments));
        onRemove.call(this);
        this.addEventListener(type, this[name] = l, l.$ = capture);
        l._ = listener;
      }
      function removeAll() {
        var re = new RegExp("^__on([^.]+)" + d3.requote(type) + "$"), match;
        for (var name in this) {
          if (match = name.match(re)) {
            var l = this[name];
            this.removeEventListener(match[1], l, l.$);
            delete this[name];
          }
        }
      }
      return i ? listener ? onAdd : onRemove : listener ? d3_noop : removeAll;
    }
    var d3_selection_onFilters = d3.map({
      mouseenter: "mouseover",
      mouseleave: "mouseout"
    });
    if (d3_document) {
      d3_selection_onFilters.forEach(function(k) {
        if ("on" + k in d3_document) d3_selection_onFilters.remove(k);
      });
    }
    function d3_selection_onListener(listener, argumentz) {
      return function(e) {
        var o = d3.event;
        d3.event = e;
        argumentz[0] = this.__data__;
        try {
          listener.apply(this, argumentz);
        } finally {
          d3.event = o;
        }
      };
    }
    function d3_selection_onFilter(listener, argumentz) {
      var l = d3_selection_onListener(listener, argumentz);
      return function(e) {
        var target = this, related = e.relatedTarget;
        if (!related || related !== target && !(related.compareDocumentPosition(target) & 8)) {
          l.call(target, e);
        }
      };
    }
    var d3_event_dragSelect, d3_event_dragId = 0;
    function d3_event_dragSuppress(node) {
      var name = ".dragsuppress-" + ++d3_event_dragId, click = "click" + name, w = d3.select(d3_window(node)).on("touchmove" + name, d3_eventPreventDefault).on("dragstart" + name, d3_eventPreventDefault).on("selectstart" + name, d3_eventPreventDefault);
      if (d3_event_dragSelect == null) {
        d3_event_dragSelect = "onselectstart" in node ? false : d3_vendorSymbol(node.style, "userSelect");
      }
      if (d3_event_dragSelect) {
        var style = d3_documentElement(node).style, select = style[d3_event_dragSelect];
        style[d3_event_dragSelect] = "none";
      }
      return function(suppressClick) {
        w.on(name, null);
        if (d3_event_dragSelect) style[d3_event_dragSelect] = select;
        if (suppressClick) {
          var off = function() {
            w.on(click, null);
          };
          w.on(click, function() {
            d3_eventPreventDefault();
            off();
          }, true);
          setTimeout(off, 0);
        }
      };
    }
    d3.mouse = function(container) {
      return d3_mousePoint(container, d3_eventSource());
    };
    var d3_mouse_bug44083 = this.navigator && /WebKit/.test(this.navigator.userAgent) ? -1 : 0;
    function d3_mousePoint(container, e) {
      if (e.changedTouches) e = e.changedTouches[0];
      var svg = container.ownerSVGElement || container;
      if (svg.createSVGPoint) {
        var point = svg.createSVGPoint();
        if (d3_mouse_bug44083 < 0) {
          var window = d3_window(container);
          if (window.scrollX || window.scrollY) {
            svg = d3.select("body").append("svg").style({
              position: "absolute",
              top: 0,
              left: 0,
              margin: 0,
              padding: 0,
              border: "none"
            }, "important");
            var ctm = svg[0][0].getScreenCTM();
            d3_mouse_bug44083 = !(ctm.f || ctm.e);
            svg.remove();
          }
        }
        if (d3_mouse_bug44083) point.x = e.pageX, point.y = e.pageY; else point.x = e.clientX, 
        point.y = e.clientY;
        point = point.matrixTransform(container.getScreenCTM().inverse());
        return [ point.x, point.y ];
      }
      var rect = container.getBoundingClientRect();
      return [ e.clientX - rect.left - container.clientLeft, e.clientY - rect.top - container.clientTop ];
    }
    d3.touch = function(container, touches, identifier) {
      if (arguments.length < 3) identifier = touches, touches = d3_eventSource().changedTouches;
      if (touches) for (var i = 0, n = touches.length, touch; i < n; ++i) {
        if ((touch = touches[i]).identifier === identifier) {
          return d3_mousePoint(container, touch);
        }
      }
    };
    d3.behavior.drag = function() {
      var event = d3_eventDispatch(drag, "drag", "dragstart", "dragend"), origin = null, mousedown = dragstart(d3_noop, d3.mouse, d3_window, "mousemove", "mouseup"), touchstart = dragstart(d3_behavior_dragTouchId, d3.touch, d3_identity, "touchmove", "touchend");
      function drag() {
        this.on("mousedown.drag", mousedown).on("touchstart.drag", touchstart);
      }
      function dragstart(id, position, subject, move, end) {
        return function() {
          var that = this, target = d3.event.target.correspondingElement || d3.event.target, parent = that.parentNode, dispatch = event.of(that, arguments), dragged = 0, dragId = id(), dragName = ".drag" + (dragId == null ? "" : "-" + dragId), dragOffset, dragSubject = d3.select(subject(target)).on(move + dragName, moved).on(end + dragName, ended), dragRestore = d3_event_dragSuppress(target), position0 = position(parent, dragId);
          if (origin) {
            dragOffset = origin.apply(that, arguments);
            dragOffset = [ dragOffset.x - position0[0], dragOffset.y - position0[1] ];
          } else {
            dragOffset = [ 0, 0 ];
          }
          dispatch({
            type: "dragstart"
          });
          function moved() {
            var position1 = position(parent, dragId), dx, dy;
            if (!position1) return;
            dx = position1[0] - position0[0];
            dy = position1[1] - position0[1];
            dragged |= dx | dy;
            position0 = position1;
            dispatch({
              type: "drag",
              x: position1[0] + dragOffset[0],
              y: position1[1] + dragOffset[1],
              dx: dx,
              dy: dy
            });
          }
          function ended() {
            if (!position(parent, dragId)) return;
            dragSubject.on(move + dragName, null).on(end + dragName, null);
            dragRestore(dragged);
            dispatch({
              type: "dragend"
            });
          }
        };
      }
      drag.origin = function(x) {
        if (!arguments.length) return origin;
        origin = x;
        return drag;
      };
      return d3.rebind(drag, event, "on");
    };
    function d3_behavior_dragTouchId() {
      return d3.event.changedTouches[0].identifier;
    }
    d3.touches = function(container, touches) {
      if (arguments.length < 2) touches = d3_eventSource().touches;
      return touches ? d3_array(touches).map(function(touch) {
        var point = d3_mousePoint(container, touch);
        point.identifier = touch.identifier;
        return point;
      }) : [];
    };
    var ε = 1e-6, ε2 = ε * ε, π = Math.PI, τ = 2 * π, τε = τ - ε, halfπ = π / 2, d3_radians = π / 180, d3_degrees = 180 / π;
    function d3_sgn(x) {
      return x > 0 ? 1 : x < 0 ? -1 : 0;
    }
    function d3_cross2d(a, b, c) {
      return (b[0] - a[0]) * (c[1] - a[1]) - (b[1] - a[1]) * (c[0] - a[0]);
    }
    function d3_acos(x) {
      return x > 1 ? 0 : x < -1 ? π : Math.acos(x);
    }
    function d3_asin(x) {
      return x > 1 ? halfπ : x < -1 ? -halfπ : Math.asin(x);
    }
    function d3_sinh(x) {
      return ((x = Math.exp(x)) - 1 / x) / 2;
    }
    function d3_cosh(x) {
      return ((x = Math.exp(x)) + 1 / x) / 2;
    }
    function d3_tanh(x) {
      return ((x = Math.exp(2 * x)) - 1) / (x + 1);
    }
    function d3_haversin(x) {
      return (x = Math.sin(x / 2)) * x;
    }
    var ρ = Math.SQRT2, ρ2 = 2, ρ4 = 4;
    d3.interpolateZoom = function(p0, p1) {
      var ux0 = p0[0], uy0 = p0[1], w0 = p0[2], ux1 = p1[0], uy1 = p1[1], w1 = p1[2], dx = ux1 - ux0, dy = uy1 - uy0, d2 = dx * dx + dy * dy, i, S;
      if (d2 < ε2) {
        S = Math.log(w1 / w0) / ρ;
        i = function(t) {
          return [ ux0 + t * dx, uy0 + t * dy, w0 * Math.exp(ρ * t * S) ];
        };
      } else {
        var d1 = Math.sqrt(d2), b0 = (w1 * w1 - w0 * w0 + ρ4 * d2) / (2 * w0 * ρ2 * d1), b1 = (w1 * w1 - w0 * w0 - ρ4 * d2) / (2 * w1 * ρ2 * d1), r0 = Math.log(Math.sqrt(b0 * b0 + 1) - b0), r1 = Math.log(Math.sqrt(b1 * b1 + 1) - b1);
        S = (r1 - r0) / ρ;
        i = function(t) {
          var s = t * S, coshr0 = d3_cosh(r0), u = w0 / (ρ2 * d1) * (coshr0 * d3_tanh(ρ * s + r0) - d3_sinh(r0));
          return [ ux0 + u * dx, uy0 + u * dy, w0 * coshr0 / d3_cosh(ρ * s + r0) ];
        };
      }
      i.duration = S * 1e3;
      return i;
    };
    d3.behavior.zoom = function() {
      var view = {
        x: 0,
        y: 0,
        k: 1
      }, translate0, center0, center, size = [ 960, 500 ], scaleExtent = d3_behavior_zoomInfinity, duration = 250, zooming = 0, mousedown = "mousedown.zoom", mousemove = "mousemove.zoom", mouseup = "mouseup.zoom", mousewheelTimer, touchstart = "touchstart.zoom", touchtime, event = d3_eventDispatch(zoom, "zoomstart", "zoom", "zoomend"), x0, x1, y0, y1;
      if (!d3_behavior_zoomWheel) {
        d3_behavior_zoomWheel = "onwheel" in d3_document ? (d3_behavior_zoomDelta = function() {
          return -d3.event.deltaY * (d3.event.deltaMode ? 120 : 1);
        }, "wheel") : "onmousewheel" in d3_document ? (d3_behavior_zoomDelta = function() {
          return d3.event.wheelDelta;
        }, "mousewheel") : (d3_behavior_zoomDelta = function() {
          return -d3.event.detail;
        }, "MozMousePixelScroll");
      }
      function zoom(g) {
        g.on(mousedown, mousedowned).on(d3_behavior_zoomWheel + ".zoom", mousewheeled).on("dblclick.zoom", dblclicked).on(touchstart, touchstarted);
      }
      zoom.event = function(g) {
        g.each(function() {
          var dispatch = event.of(this, arguments), view1 = view;
          if (d3_transitionInheritId) {
            d3.select(this).transition().each("start.zoom", function() {
              view = this.__chart__ || {
                x: 0,
                y: 0,
                k: 1
              };
              zoomstarted(dispatch);
            }).tween("zoom:zoom", function() {
              var dx = size[0], dy = size[1], cx = center0 ? center0[0] : dx / 2, cy = center0 ? center0[1] : dy / 2, i = d3.interpolateZoom([ (cx - view.x) / view.k, (cy - view.y) / view.k, dx / view.k ], [ (cx - view1.x) / view1.k, (cy - view1.y) / view1.k, dx / view1.k ]);
              return function(t) {
                var l = i(t), k = dx / l[2];
                this.__chart__ = view = {
                  x: cx - l[0] * k,
                  y: cy - l[1] * k,
                  k: k
                };
                zoomed(dispatch);
              };
            }).each("interrupt.zoom", function() {
              zoomended(dispatch);
            }).each("end.zoom", function() {
              zoomended(dispatch);
            });
          } else {
            this.__chart__ = view;
            zoomstarted(dispatch);
            zoomed(dispatch);
            zoomended(dispatch);
          }
        });
      };
      zoom.translate = function(_) {
        if (!arguments.length) return [ view.x, view.y ];
        view = {
          x: +_[0],
          y: +_[1],
          k: view.k
        };
        rescale();
        return zoom;
      };
      zoom.scale = function(_) {
        if (!arguments.length) return view.k;
        view = {
          x: view.x,
          y: view.y,
          k: null
        };
        scaleTo(+_);
        rescale();
        return zoom;
      };
      zoom.scaleExtent = function(_) {
        if (!arguments.length) return scaleExtent;
        scaleExtent = _ == null ? d3_behavior_zoomInfinity : [ +_[0], +_[1] ];
        return zoom;
      };
      zoom.center = function(_) {
        if (!arguments.length) return center;
        center = _ && [ +_[0], +_[1] ];
        return zoom;
      };
      zoom.size = function(_) {
        if (!arguments.length) return size;
        size = _ && [ +_[0], +_[1] ];
        return zoom;
      };
      zoom.duration = function(_) {
        if (!arguments.length) return duration;
        duration = +_;
        return zoom;
      };
      zoom.x = function(z) {
        if (!arguments.length) return x1;
        x1 = z;
        x0 = z.copy();
        view = {
          x: 0,
          y: 0,
          k: 1
        };
        return zoom;
      };
      zoom.y = function(z) {
        if (!arguments.length) return y1;
        y1 = z;
        y0 = z.copy();
        view = {
          x: 0,
          y: 0,
          k: 1
        };
        return zoom;
      };
      function location(p) {
        return [ (p[0] - view.x) / view.k, (p[1] - view.y) / view.k ];
      }
      function point(l) {
        return [ l[0] * view.k + view.x, l[1] * view.k + view.y ];
      }
      function scaleTo(s) {
        view.k = Math.max(scaleExtent[0], Math.min(scaleExtent[1], s));
      }
      function translateTo(p, l) {
        l = point(l);
        view.x += p[0] - l[0];
        view.y += p[1] - l[1];
      }
      function zoomTo(that, p, l, k) {
        that.__chart__ = {
          x: view.x,
          y: view.y,
          k: view.k
        };
        scaleTo(Math.pow(2, k));
        translateTo(center0 = p, l);
        that = d3.select(that);
        if (duration > 0) that = that.transition().duration(duration);
        that.call(zoom.event);
      }
      function rescale() {
        if (x1) x1.domain(x0.range().map(function(x) {
          return (x - view.x) / view.k;
        }).map(x0.invert));
        if (y1) y1.domain(y0.range().map(function(y) {
          return (y - view.y) / view.k;
        }).map(y0.invert));
      }
      function zoomstarted(dispatch) {
        if (!zooming++) dispatch({
          type: "zoomstart"
        });
      }
      function zoomed(dispatch) {
        rescale();
        dispatch({
          type: "zoom",
          scale: view.k,
          translate: [ view.x, view.y ]
        });
      }
      function zoomended(dispatch) {
        if (!--zooming) dispatch({
          type: "zoomend"
        }), center0 = null;
      }
      function mousedowned() {
        var that = this, dispatch = event.of(that, arguments), dragged = 0, subject = d3.select(d3_window(that)).on(mousemove, moved).on(mouseup, ended), location0 = location(d3.mouse(that)), dragRestore = d3_event_dragSuppress(that);
        d3_selection_interrupt.call(that);
        zoomstarted(dispatch);
        function moved() {
          dragged = 1;
          translateTo(d3.mouse(that), location0);
          zoomed(dispatch);
        }
        function ended() {
          subject.on(mousemove, null).on(mouseup, null);
          dragRestore(dragged);
          zoomended(dispatch);
        }
      }
      function touchstarted() {
        var that = this, dispatch = event.of(that, arguments), locations0 = {}, distance0 = 0, scale0, zoomName = ".zoom-" + d3.event.changedTouches[0].identifier, touchmove = "touchmove" + zoomName, touchend = "touchend" + zoomName, targets = [], subject = d3.select(that), dragRestore = d3_event_dragSuppress(that);
        started();
        zoomstarted(dispatch);
        subject.on(mousedown, null).on(touchstart, started);
        function relocate() {
          var touches = d3.touches(that);
          scale0 = view.k;
          touches.forEach(function(t) {
            if (t.identifier in locations0) locations0[t.identifier] = location(t);
          });
          return touches;
        }
        function started() {
          var target = d3.event.target;
          d3.select(target).on(touchmove, moved).on(touchend, ended);
          targets.push(target);
          var changed = d3.event.changedTouches;
          for (var i = 0, n = changed.length; i < n; ++i) {
            locations0[changed[i].identifier] = null;
          }
          var touches = relocate(), now = Date.now();
          if (touches.length === 1) {
            if (now - touchtime < 500) {
              var p = touches[0];
              zoomTo(that, p, locations0[p.identifier], Math.floor(Math.log(view.k) / Math.LN2) + 1);
              d3_eventPreventDefault();
            }
            touchtime = now;
          } else if (touches.length > 1) {
            var p = touches[0], q = touches[1], dx = p[0] - q[0], dy = p[1] - q[1];
            distance0 = dx * dx + dy * dy;
          }
        }
        function moved() {
          var touches = d3.touches(that), p0, l0, p1, l1;
          d3_selection_interrupt.call(that);
          for (var i = 0, n = touches.length; i < n; ++i, l1 = null) {
            p1 = touches[i];
            if (l1 = locations0[p1.identifier]) {
              if (l0) break;
              p0 = p1, l0 = l1;
            }
          }
          if (l1) {
            var distance1 = (distance1 = p1[0] - p0[0]) * distance1 + (distance1 = p1[1] - p0[1]) * distance1, scale1 = distance0 && Math.sqrt(distance1 / distance0);
            p0 = [ (p0[0] + p1[0]) / 2, (p0[1] + p1[1]) / 2 ];
            l0 = [ (l0[0] + l1[0]) / 2, (l0[1] + l1[1]) / 2 ];
            scaleTo(scale1 * scale0);
          }
          touchtime = null;
          translateTo(p0, l0);
          zoomed(dispatch);
        }
        function ended() {
          if (d3.event.touches.length) {
            var changed = d3.event.changedTouches;
            for (var i = 0, n = changed.length; i < n; ++i) {
              delete locations0[changed[i].identifier];
            }
            for (var identifier in locations0) {
              return void relocate();
            }
          }
          d3.selectAll(targets).on(zoomName, null);
          subject.on(mousedown, mousedowned).on(touchstart, touchstarted);
          dragRestore();
          zoomended(dispatch);
        }
      }
      function mousewheeled() {
        var dispatch = event.of(this, arguments);
        if (mousewheelTimer) clearTimeout(mousewheelTimer); else d3_selection_interrupt.call(this), 
        translate0 = location(center0 = center || d3.mouse(this)), zoomstarted(dispatch);
        mousewheelTimer = setTimeout(function() {
          mousewheelTimer = null;
          zoomended(dispatch);
        }, 50);
        d3_eventPreventDefault();
        scaleTo(Math.pow(2, d3_behavior_zoomDelta() * .002) * view.k);
        translateTo(center0, translate0);
        zoomed(dispatch);
      }
      function dblclicked() {
        var p = d3.mouse(this), k = Math.log(view.k) / Math.LN2;
        zoomTo(this, p, location(p), d3.event.shiftKey ? Math.ceil(k) - 1 : Math.floor(k) + 1);
      }
      return d3.rebind(zoom, event, "on");
    };
    var d3_behavior_zoomInfinity = [ 0, Infinity ], d3_behavior_zoomDelta, d3_behavior_zoomWheel;
    d3.color = d3_color;
    function d3_color() {}
    d3_color.prototype.toString = function() {
      return this.rgb() + "";
    };
    d3.hsl = d3_hsl;
    function d3_hsl(h, s, l) {
      return this instanceof d3_hsl ? void (this.h = +h, this.s = +s, this.l = +l) : arguments.length < 2 ? h instanceof d3_hsl ? new d3_hsl(h.h, h.s, h.l) : d3_rgb_parse("" + h, d3_rgb_hsl, d3_hsl) : new d3_hsl(h, s, l);
    }
    var d3_hslPrototype = d3_hsl.prototype = new d3_color();
    d3_hslPrototype.brighter = function(k) {
      k = Math.pow(.7, arguments.length ? k : 1);
      return new d3_hsl(this.h, this.s, this.l / k);
    };
    d3_hslPrototype.darker = function(k) {
      k = Math.pow(.7, arguments.length ? k : 1);
      return new d3_hsl(this.h, this.s, k * this.l);
    };
    d3_hslPrototype.rgb = function() {
      return d3_hsl_rgb(this.h, this.s, this.l);
    };
    function d3_hsl_rgb(h, s, l) {
      var m1, m2;
      h = isNaN(h) ? 0 : (h %= 360) < 0 ? h + 360 : h;
      s = isNaN(s) ? 0 : s < 0 ? 0 : s > 1 ? 1 : s;
      l = l < 0 ? 0 : l > 1 ? 1 : l;
      m2 = l <= .5 ? l * (1 + s) : l + s - l * s;
      m1 = 2 * l - m2;
      function v(h) {
        if (h > 360) h -= 360; else if (h < 0) h += 360;
        if (h < 60) return m1 + (m2 - m1) * h / 60;
        if (h < 180) return m2;
        if (h < 240) return m1 + (m2 - m1) * (240 - h) / 60;
        return m1;
      }
      function vv(h) {
        return Math.round(v(h) * 255);
      }
      return new d3_rgb(vv(h + 120), vv(h), vv(h - 120));
    }
    d3.hcl = d3_hcl;
    function d3_hcl(h, c, l) {
      return this instanceof d3_hcl ? void (this.h = +h, this.c = +c, this.l = +l) : arguments.length < 2 ? h instanceof d3_hcl ? new d3_hcl(h.h, h.c, h.l) : h instanceof d3_lab ? d3_lab_hcl(h.l, h.a, h.b) : d3_lab_hcl((h = d3_rgb_lab((h = d3.rgb(h)).r, h.g, h.b)).l, h.a, h.b) : new d3_hcl(h, c, l);
    }
    var d3_hclPrototype = d3_hcl.prototype = new d3_color();
    d3_hclPrototype.brighter = function(k) {
      return new d3_hcl(this.h, this.c, Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)));
    };
    d3_hclPrototype.darker = function(k) {
      return new d3_hcl(this.h, this.c, Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)));
    };
    d3_hclPrototype.rgb = function() {
      return d3_hcl_lab(this.h, this.c, this.l).rgb();
    };
    function d3_hcl_lab(h, c, l) {
      if (isNaN(h)) h = 0;
      if (isNaN(c)) c = 0;
      return new d3_lab(l, Math.cos(h *= d3_radians) * c, Math.sin(h) * c);
    }
    d3.lab = d3_lab;
    function d3_lab(l, a, b) {
      return this instanceof d3_lab ? void (this.l = +l, this.a = +a, this.b = +b) : arguments.length < 2 ? l instanceof d3_lab ? new d3_lab(l.l, l.a, l.b) : l instanceof d3_hcl ? d3_hcl_lab(l.h, l.c, l.l) : d3_rgb_lab((l = d3_rgb(l)).r, l.g, l.b) : new d3_lab(l, a, b);
    }
    var d3_lab_K = 18;
    var d3_lab_X = .95047, d3_lab_Y = 1, d3_lab_Z = 1.08883;
    var d3_labPrototype = d3_lab.prototype = new d3_color();
    d3_labPrototype.brighter = function(k) {
      return new d3_lab(Math.min(100, this.l + d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
    };
    d3_labPrototype.darker = function(k) {
      return new d3_lab(Math.max(0, this.l - d3_lab_K * (arguments.length ? k : 1)), this.a, this.b);
    };
    d3_labPrototype.rgb = function() {
      return d3_lab_rgb(this.l, this.a, this.b);
    };
    function d3_lab_rgb(l, a, b) {
      var y = (l + 16) / 116, x = y + a / 500, z = y - b / 200;
      x = d3_lab_xyz(x) * d3_lab_X;
      y = d3_lab_xyz(y) * d3_lab_Y;
      z = d3_lab_xyz(z) * d3_lab_Z;
      return new d3_rgb(d3_xyz_rgb(3.2404542 * x - 1.5371385 * y - .4985314 * z), d3_xyz_rgb(-.969266 * x + 1.8760108 * y + .041556 * z), d3_xyz_rgb(.0556434 * x - .2040259 * y + 1.0572252 * z));
    }
    function d3_lab_hcl(l, a, b) {
      return l > 0 ? new d3_hcl(Math.atan2(b, a) * d3_degrees, Math.sqrt(a * a + b * b), l) : new d3_hcl(NaN, NaN, l);
    }
    function d3_lab_xyz(x) {
      return x > .206893034 ? x * x * x : (x - 4 / 29) / 7.787037;
    }
    function d3_xyz_lab(x) {
      return x > .008856 ? Math.pow(x, 1 / 3) : 7.787037 * x + 4 / 29;
    }
    function d3_xyz_rgb(r) {
      return Math.round(255 * (r <= .00304 ? 12.92 * r : 1.055 * Math.pow(r, 1 / 2.4) - .055));
    }
    d3.rgb = d3_rgb;
    function d3_rgb(r, g, b) {
      return this instanceof d3_rgb ? void (this.r = ~~r, this.g = ~~g, this.b = ~~b) : arguments.length < 2 ? r instanceof d3_rgb ? new d3_rgb(r.r, r.g, r.b) : d3_rgb_parse("" + r, d3_rgb, d3_hsl_rgb) : new d3_rgb(r, g, b);
    }
    function d3_rgbNumber(value) {
      return new d3_rgb(value >> 16, value >> 8 & 255, value & 255);
    }
    function d3_rgbString(value) {
      return d3_rgbNumber(value) + "";
    }
    var d3_rgbPrototype = d3_rgb.prototype = new d3_color();
    d3_rgbPrototype.brighter = function(k) {
      k = Math.pow(.7, arguments.length ? k : 1);
      var r = this.r, g = this.g, b = this.b, i = 30;
      if (!r && !g && !b) return new d3_rgb(i, i, i);
      if (r && r < i) r = i;
      if (g && g < i) g = i;
      if (b && b < i) b = i;
      return new d3_rgb(Math.min(255, r / k), Math.min(255, g / k), Math.min(255, b / k));
    };
    d3_rgbPrototype.darker = function(k) {
      k = Math.pow(.7, arguments.length ? k : 1);
      return new d3_rgb(k * this.r, k * this.g, k * this.b);
    };
    d3_rgbPrototype.hsl = function() {
      return d3_rgb_hsl(this.r, this.g, this.b);
    };
    d3_rgbPrototype.toString = function() {
      return "#" + d3_rgb_hex(this.r) + d3_rgb_hex(this.g) + d3_rgb_hex(this.b);
    };
    function d3_rgb_hex(v) {
      return v < 16 ? "0" + Math.max(0, v).toString(16) : Math.min(255, v).toString(16);
    }
    function d3_rgb_parse(format, rgb, hsl) {
      var r = 0, g = 0, b = 0, m1, m2, color;
      m1 = /([a-z]+)\((.*)\)/.exec(format = format.toLowerCase());
      if (m1) {
        m2 = m1[2].split(",");
        switch (m1[1]) {
         case "hsl":
          {
            return hsl(parseFloat(m2[0]), parseFloat(m2[1]) / 100, parseFloat(m2[2]) / 100);
          }
  
         case "rgb":
          {
            return rgb(d3_rgb_parseNumber(m2[0]), d3_rgb_parseNumber(m2[1]), d3_rgb_parseNumber(m2[2]));
          }
        }
      }
      if (color = d3_rgb_names.get(format)) {
        return rgb(color.r, color.g, color.b);
      }
      if (format != null && format.charAt(0) === "#" && !isNaN(color = parseInt(format.slice(1), 16))) {
        if (format.length === 4) {
          r = (color & 3840) >> 4;
          r = r >> 4 | r;
          g = color & 240;
          g = g >> 4 | g;
          b = color & 15;
          b = b << 4 | b;
        } else if (format.length === 7) {
          r = (color & 16711680) >> 16;
          g = (color & 65280) >> 8;
          b = color & 255;
        }
      }
      return rgb(r, g, b);
    }
    function d3_rgb_hsl(r, g, b) {
      var min = Math.min(r /= 255, g /= 255, b /= 255), max = Math.max(r, g, b), d = max - min, h, s, l = (max + min) / 2;
      if (d) {
        s = l < .5 ? d / (max + min) : d / (2 - max - min);
        if (r == max) h = (g - b) / d + (g < b ? 6 : 0); else if (g == max) h = (b - r) / d + 2; else h = (r - g) / d + 4;
        h *= 60;
      } else {
        h = NaN;
        s = l > 0 && l < 1 ? 0 : h;
      }
      return new d3_hsl(h, s, l);
    }
    function d3_rgb_lab(r, g, b) {
      r = d3_rgb_xyz(r);
      g = d3_rgb_xyz(g);
      b = d3_rgb_xyz(b);
      var x = d3_xyz_lab((.4124564 * r + .3575761 * g + .1804375 * b) / d3_lab_X), y = d3_xyz_lab((.2126729 * r + .7151522 * g + .072175 * b) / d3_lab_Y), z = d3_xyz_lab((.0193339 * r + .119192 * g + .9503041 * b) / d3_lab_Z);
      return d3_lab(116 * y - 16, 500 * (x - y), 200 * (y - z));
    }
    function d3_rgb_xyz(r) {
      return (r /= 255) <= .04045 ? r / 12.92 : Math.pow((r + .055) / 1.055, 2.4);
    }
    function d3_rgb_parseNumber(c) {
      var f = parseFloat(c);
      return c.charAt(c.length - 1) === "%" ? Math.round(f * 2.55) : f;
    }
    var d3_rgb_names = d3.map({
      aliceblue: 15792383,
      antiquewhite: 16444375,
      aqua: 65535,
      aquamarine: 8388564,
      azure: 15794175,
      beige: 16119260,
      bisque: 16770244,
      black: 0,
      blanchedalmond: 16772045,
      blue: 255,
      blueviolet: 9055202,
      brown: 10824234,
      burlywood: 14596231,
      cadetblue: 6266528,
      chartreuse: 8388352,
      chocolate: 13789470,
      coral: 16744272,
      cornflowerblue: 6591981,
      cornsilk: 16775388,
      crimson: 14423100,
      cyan: 65535,
      darkblue: 139,
      darkcyan: 35723,
      darkgoldenrod: 12092939,
      darkgray: 11119017,
      darkgreen: 25600,
      darkgrey: 11119017,
      darkkhaki: 12433259,
      darkmagenta: 9109643,
      darkolivegreen: 5597999,
      darkorange: 16747520,
      darkorchid: 10040012,
      darkred: 9109504,
      darksalmon: 15308410,
      darkseagreen: 9419919,
      darkslateblue: 4734347,
      darkslategray: 3100495,
      darkslategrey: 3100495,
      darkturquoise: 52945,
      darkviolet: 9699539,
      deeppink: 16716947,
      deepskyblue: 49151,
      dimgray: 6908265,
      dimgrey: 6908265,
      dodgerblue: 2003199,
      firebrick: 11674146,
      floralwhite: 16775920,
      forestgreen: 2263842,
      fuchsia: 16711935,
      gainsboro: 14474460,
      ghostwhite: 16316671,
      gold: 16766720,
      goldenrod: 14329120,
      gray: 8421504,
      green: 32768,
      greenyellow: 11403055,
      grey: 8421504,
      honeydew: 15794160,
      hotpink: 16738740,
      indianred: 13458524,
      indigo: 4915330,
      ivory: 16777200,
      khaki: 15787660,
      lavender: 15132410,
      lavenderblush: 16773365,
      lawngreen: 8190976,
      lemonchiffon: 16775885,
      lightblue: 11393254,
      lightcoral: 15761536,
      lightcyan: 14745599,
      lightgoldenrodyellow: 16448210,
      lightgray: 13882323,
      lightgreen: 9498256,
      lightgrey: 13882323,
      lightpink: 16758465,
      lightsalmon: 16752762,
      lightseagreen: 2142890,
      lightskyblue: 8900346,
      lightslategray: 7833753,
      lightslategrey: 7833753,
      lightsteelblue: 11584734,
      lightyellow: 16777184,
      lime: 65280,
      limegreen: 3329330,
      linen: 16445670,
      magenta: 16711935,
      maroon: 8388608,
      mediumaquamarine: 6737322,
      mediumblue: 205,
      mediumorchid: 12211667,
      mediumpurple: 9662683,
      mediumseagreen: 3978097,
      mediumslateblue: 8087790,
      mediumspringgreen: 64154,
      mediumturquoise: 4772300,
      mediumvioletred: 13047173,
      midnightblue: 1644912,
      mintcream: 16121850,
      mistyrose: 16770273,
      moccasin: 16770229,
      navajowhite: 16768685,
      navy: 128,
      oldlace: 16643558,
      olive: 8421376,
      olivedrab: 7048739,
      orange: 16753920,
      orangered: 16729344,
      orchid: 14315734,
      palegoldenrod: 15657130,
      palegreen: 10025880,
      paleturquoise: 11529966,
      palevioletred: 14381203,
      papayawhip: 16773077,
      peachpuff: 16767673,
      peru: 13468991,
      pink: 16761035,
      plum: 14524637,
      powderblue: 11591910,
      purple: 8388736,
      rebeccapurple: 6697881,
      red: 16711680,
      rosybrown: 12357519,
      royalblue: 4286945,
      saddlebrown: 9127187,
      salmon: 16416882,
      sandybrown: 16032864,
      seagreen: 3050327,
      seashell: 16774638,
      sienna: 10506797,
      silver: 12632256,
      skyblue: 8900331,
      slateblue: 6970061,
      slategray: 7372944,
      slategrey: 7372944,
      snow: 16775930,
      springgreen: 65407,
      steelblue: 4620980,
      tan: 13808780,
      teal: 32896,
      thistle: 14204888,
      tomato: 16737095,
      turquoise: 4251856,
      violet: 15631086,
      wheat: 16113331,
      white: 16777215,
      whitesmoke: 16119285,
      yellow: 16776960,
      yellowgreen: 10145074
    });
    d3_rgb_names.forEach(function(key, value) {
      d3_rgb_names.set(key, d3_rgbNumber(value));
    });
    function d3_functor(v) {
      return typeof v === "function" ? v : function() {
        return v;
      };
    }
    d3.functor = d3_functor;
    d3.xhr = d3_xhrType(d3_identity);
    function d3_xhrType(response) {
      return function(url, mimeType, callback) {
        if (arguments.length === 2 && typeof mimeType === "function") callback = mimeType, 
        mimeType = null;
        return d3_xhr(url, mimeType, response, callback);
      };
    }
    function d3_xhr(url, mimeType, response, callback) {
      var xhr = {}, dispatch = d3.dispatch("beforesend", "progress", "load", "error"), headers = {}, request = new XMLHttpRequest(), responseType = null;
      if (this.XDomainRequest && !("withCredentials" in request) && /^(http(s)?:)?\/\//.test(url)) request = new XDomainRequest();
      "onload" in request ? request.onload = request.onerror = respond : request.onreadystatechange = function() {
        request.readyState > 3 && respond();
      };
      function respond() {
        var status = request.status, result;
        if (!status && d3_xhrHasResponse(request) || status >= 200 && status < 300 || status === 304) {
          try {
            result = response.call(xhr, request);
          } catch (e) {
            dispatch.error.call(xhr, e);
            return;
          }
          dispatch.load.call(xhr, result);
        } else {
          dispatch.error.call(xhr, request);
        }
      }
      request.onprogress = function(event) {
        var o = d3.event;
        d3.event = event;
        try {
          dispatch.progress.call(xhr, request);
        } finally {
          d3.event = o;
        }
      };
      xhr.header = function(name, value) {
        name = (name + "").toLowerCase();
        if (arguments.length < 2) return headers[name];
        if (value == null) delete headers[name]; else headers[name] = value + "";
        return xhr;
      };
      xhr.mimeType = function(value) {
        if (!arguments.length) return mimeType;
        mimeType = value == null ? null : value + "";
        return xhr;
      };
      xhr.responseType = function(value) {
        if (!arguments.length) return responseType;
        responseType = value;
        return xhr;
      };
      xhr.response = function(value) {
        response = value;
        return xhr;
      };
      [ "get", "post" ].forEach(function(method) {
        xhr[method] = function() {
          return xhr.send.apply(xhr, [ method ].concat(d3_array(arguments)));
        };
      });
      xhr.send = function(method, data, callback) {
        if (arguments.length === 2 && typeof data === "function") callback = data, data = null;
        request.open(method, url, true);
        if (mimeType != null && !("accept" in headers)) headers["accept"] = mimeType + ",*/*";
        if (request.setRequestHeader) for (var name in headers) request.setRequestHeader(name, headers[name]);
        if (mimeType != null && request.overrideMimeType) request.overrideMimeType(mimeType);
        if (responseType != null) request.responseType = responseType;
        if (callback != null) xhr.on("error", callback).on("load", function(request) {
          callback(null, request);
        });
        dispatch.beforesend.call(xhr, request);
        request.send(data == null ? null : data);
        return xhr;
      };
      xhr.abort = function() {
        request.abort();
        return xhr;
      };
      d3.rebind(xhr, dispatch, "on");
      return callback == null ? xhr : xhr.get(d3_xhr_fixCallback(callback));
    }
    function d3_xhr_fixCallback(callback) {
      return callback.length === 1 ? function(error, request) {
        callback(error == null ? request : null);
      } : callback;
    }
    function d3_xhrHasResponse(request) {
      var type = request.responseType;
      return type && type !== "text" ? request.response : request.responseText;
    }
    d3.dsv = function(delimiter, mimeType) {
      var reFormat = new RegExp('["' + delimiter + "\n]"), delimiterCode = delimiter.charCodeAt(0);
      function dsv(url, row, callback) {
        if (arguments.length < 3) callback = row, row = null;
        var xhr = d3_xhr(url, mimeType, row == null ? response : typedResponse(row), callback);
        xhr.row = function(_) {
          return arguments.length ? xhr.response((row = _) == null ? response : typedResponse(_)) : row;
        };
        return xhr;
      }
      function response(request) {
        return dsv.parse(request.responseText);
      }
      function typedResponse(f) {
        return function(request) {
          return dsv.parse(request.responseText, f);
        };
      }
      dsv.parse = function(text, f) {
        var o;
        return dsv.parseRows(text, function(row, i) {
          if (o) return o(row, i - 1);
          var a = new Function("d", "return {" + row.map(function(name, i) {
            return JSON.stringify(name) + ": d[" + i + "]";
          }).join(",") + "}");
          o = f ? function(row, i) {
            return f(a(row), i);
          } : a;
        });
      };
      dsv.parseRows = function(text, f) {
        var EOL = {}, EOF = {}, rows = [], N = text.length, I = 0, n = 0, t, eol;
        function token() {
          if (I >= N) return EOF;
          if (eol) return eol = false, EOL;
          var j = I;
          if (text.charCodeAt(j) === 34) {
            var i = j;
            while (i++ < N) {
              if (text.charCodeAt(i) === 34) {
                if (text.charCodeAt(i + 1) !== 34) break;
                ++i;
              }
            }
            I = i + 2;
            var c = text.charCodeAt(i + 1);
            if (c === 13) {
              eol = true;
              if (text.charCodeAt(i + 2) === 10) ++I;
            } else if (c === 10) {
              eol = true;
            }
            return text.slice(j + 1, i).replace(/""/g, '"');
          }
          while (I < N) {
            var c = text.charCodeAt(I++), k = 1;
            if (c === 10) eol = true; else if (c === 13) {
              eol = true;
              if (text.charCodeAt(I) === 10) ++I, ++k;
            } else if (c !== delimiterCode) continue;
            return text.slice(j, I - k);
          }
          return text.slice(j);
        }
        while ((t = token()) !== EOF) {
          var a = [];
          while (t !== EOL && t !== EOF) {
            a.push(t);
            t = token();
          }
          if (f && (a = f(a, n++)) == null) continue;
          rows.push(a);
        }
        return rows;
      };
      dsv.format = function(rows) {
        if (Array.isArray(rows[0])) return dsv.formatRows(rows);
        var fieldSet = new d3_Set(), fields = [];
        rows.forEach(function(row) {
          for (var field in row) {
            if (!fieldSet.has(field)) {
              fields.push(fieldSet.add(field));
            }
          }
        });
        return [ fields.map(formatValue).join(delimiter) ].concat(rows.map(function(row) {
          return fields.map(function(field) {
            return formatValue(row[field]);
          }).join(delimiter);
        })).join("\n");
      };
      dsv.formatRows = function(rows) {
        return rows.map(formatRow).join("\n");
      };
      function formatRow(row) {
        return row.map(formatValue).join(delimiter);
      }
      function formatValue(text) {
        return reFormat.test(text) ? '"' + text.replace(/\"/g, '""') + '"' : text;
      }
      return dsv;
    };
    d3.csv = d3.dsv(",", "text/csv");
    d3.tsv = d3.dsv("	", "text/tab-separated-values");
    var d3_timer_queueHead, d3_timer_queueTail, d3_timer_interval, d3_timer_timeout, d3_timer_frame = this[d3_vendorSymbol(this, "requestAnimationFrame")] || function(callback) {
      setTimeout(callback, 17);
    };
    d3.timer = function() {
      d3_timer.apply(this, arguments);
    };
    function d3_timer(callback, delay, then) {
      var n = arguments.length;
      if (n < 2) delay = 0;
      if (n < 3) then = Date.now();
      var time = then + delay, timer = {
        c: callback,
        t: time,
        n: null
      };
      if (d3_timer_queueTail) d3_timer_queueTail.n = timer; else d3_timer_queueHead = timer;
      d3_timer_queueTail = timer;
      if (!d3_timer_interval) {
        d3_timer_timeout = clearTimeout(d3_timer_timeout);
        d3_timer_interval = 1;
        d3_timer_frame(d3_timer_step);
      }
      return timer;
    }
    function d3_timer_step() {
      var now = d3_timer_mark(), delay = d3_timer_sweep() - now;
      if (delay > 24) {
        if (isFinite(delay)) {
          clearTimeout(d3_timer_timeout);
          d3_timer_timeout = setTimeout(d3_timer_step, delay);
        }
        d3_timer_interval = 0;
      } else {
        d3_timer_interval = 1;
        d3_timer_frame(d3_timer_step);
      }
    }
    d3.timer.flush = function() {
      d3_timer_mark();
      d3_timer_sweep();
    };
    function d3_timer_mark() {
      var now = Date.now(), timer = d3_timer_queueHead;
      while (timer) {
        if (now >= timer.t && timer.c(now - timer.t)) timer.c = null;
        timer = timer.n;
      }
      return now;
    }
    function d3_timer_sweep() {
      var t0, t1 = d3_timer_queueHead, time = Infinity;
      while (t1) {
        if (t1.c) {
          if (t1.t < time) time = t1.t;
          t1 = (t0 = t1).n;
        } else {
          t1 = t0 ? t0.n = t1.n : d3_timer_queueHead = t1.n;
        }
      }
      d3_timer_queueTail = t0;
      return time;
    }
    function d3_format_precision(x, p) {
      return p - (x ? Math.ceil(Math.log(x) / Math.LN10) : 1);
    }
    d3.round = function(x, n) {
      return n ? Math.round(x * (n = Math.pow(10, n))) / n : Math.round(x);
    };
    var d3_formatPrefixes = [ "y", "z", "a", "f", "p", "n", "µ", "m", "", "k", "M", "G", "T", "P", "E", "Z", "Y" ].map(d3_formatPrefix);
    d3.formatPrefix = function(value, precision) {
      var i = 0;
      if (value = +value) {
        if (value < 0) value *= -1;
        if (precision) value = d3.round(value, d3_format_precision(value, precision));
        i = 1 + Math.floor(1e-12 + Math.log(value) / Math.LN10);
        i = Math.max(-24, Math.min(24, Math.floor((i - 1) / 3) * 3));
      }
      return d3_formatPrefixes[8 + i / 3];
    };
    function d3_formatPrefix(d, i) {
      var k = Math.pow(10, abs(8 - i) * 3);
      return {
        scale: i > 8 ? function(d) {
          return d / k;
        } : function(d) {
          return d * k;
        },
        symbol: d
      };
    }
    function d3_locale_numberFormat(locale) {
      var locale_decimal = locale.decimal, locale_thousands = locale.thousands, locale_grouping = locale.grouping, locale_currency = locale.currency, formatGroup = locale_grouping && locale_thousands ? function(value, width) {
        var i = value.length, t = [], j = 0, g = locale_grouping[0], length = 0;
        while (i > 0 && g > 0) {
          if (length + g + 1 > width) g = Math.max(1, width - length);
          t.push(value.substring(i -= g, i + g));
          if ((length += g + 1) > width) break;
          g = locale_grouping[j = (j + 1) % locale_grouping.length];
        }
        return t.reverse().join(locale_thousands);
      } : d3_identity;
      return function(specifier) {
        var match = d3_format_re.exec(specifier), fill = match[1] || " ", align = match[2] || ">", sign = match[3] || "-", symbol = match[4] || "", zfill = match[5], width = +match[6], comma = match[7], precision = match[8], type = match[9], scale = 1, prefix = "", suffix = "", integer = false, exponent = true;
        if (precision) precision = +precision.substring(1);
        if (zfill || fill === "0" && align === "=") {
          zfill = fill = "0";
          align = "=";
        }
        switch (type) {
         case "n":
          comma = true;
          type = "g";
          break;
  
         case "%":
          scale = 100;
          suffix = "%";
          type = "f";
          break;
  
         case "p":
          scale = 100;
          suffix = "%";
          type = "r";
          break;
  
         case "b":
         case "o":
         case "x":
         case "X":
          if (symbol === "#") prefix = "0" + type.toLowerCase();
  
         case "c":
          exponent = false;
  
         case "d":
          integer = true;
          precision = 0;
          break;
  
         case "s":
          scale = -1;
          type = "r";
          break;
        }
        if (symbol === "$") prefix = locale_currency[0], suffix = locale_currency[1];
        if (type == "r" && !precision) type = "g";
        if (precision != null) {
          if (type == "g") precision = Math.max(1, Math.min(21, precision)); else if (type == "e" || type == "f") precision = Math.max(0, Math.min(20, precision));
        }
        type = d3_format_types.get(type) || d3_format_typeDefault;
        var zcomma = zfill && comma;
        return function(value) {
          var fullSuffix = suffix;
          if (integer && value % 1) return "";
          var negative = value < 0 || value === 0 && 1 / value < 0 ? (value = -value, "-") : sign === "-" ? "" : sign;
          if (scale < 0) {
            var unit = d3.formatPrefix(value, precision);
            value = unit.scale(value);
            fullSuffix = unit.symbol + suffix;
          } else {
            value *= scale;
          }
          value = type(value, precision);
          var i = value.lastIndexOf("."), before, after;
          if (i < 0) {
            var j = exponent ? value.lastIndexOf("e") : -1;
            if (j < 0) before = value, after = ""; else before = value.substring(0, j), after = value.substring(j);
          } else {
            before = value.substring(0, i);
            after = locale_decimal + value.substring(i + 1);
          }
          if (!zfill && comma) before = formatGroup(before, Infinity);
          var length = prefix.length + before.length + after.length + (zcomma ? 0 : negative.length), padding = length < width ? new Array(length = width - length + 1).join(fill) : "";
          if (zcomma) before = formatGroup(padding + before, padding.length ? width - after.length : Infinity);
          negative += prefix;
          value = before + after;
          return (align === "<" ? negative + value + padding : align === ">" ? padding + negative + value : align === "^" ? padding.substring(0, length >>= 1) + negative + value + padding.substring(length) : negative + (zcomma ? value : padding + value)) + fullSuffix;
        };
      };
    }
    var d3_format_re = /(?:([^{])?([<>=^]))?([+\- ])?([$#])?(0)?(\d+)?(,)?(\.-?\d+)?([a-z%])?/i;
    var d3_format_types = d3.map({
      b: function(x) {
        return x.toString(2);
      },
      c: function(x) {
        return String.fromCharCode(x);
      },
      o: function(x) {
        return x.toString(8);
      },
      x: function(x) {
        return x.toString(16);
      },
      X: function(x) {
        return x.toString(16).toUpperCase();
      },
      g: function(x, p) {
        return x.toPrecision(p);
      },
      e: function(x, p) {
        return x.toExponential(p);
      },
      f: function(x, p) {
        return x.toFixed(p);
      },
      r: function(x, p) {
        return (x = d3.round(x, d3_format_precision(x, p))).toFixed(Math.max(0, Math.min(20, d3_format_precision(x * (1 + 1e-15), p))));
      }
    });
    function d3_format_typeDefault(x) {
      return x + "";
    }
    var d3_time = d3.time = {}, d3_date = Date;
    function d3_date_utc() {
      this._ = new Date(arguments.length > 1 ? Date.UTC.apply(this, arguments) : arguments[0]);
    }
    d3_date_utc.prototype = {
      getDate: function() {
        return this._.getUTCDate();
      },
      getDay: function() {
        return this._.getUTCDay();
      },
      getFullYear: function() {
        return this._.getUTCFullYear();
      },
      getHours: function() {
        return this._.getUTCHours();
      },
      getMilliseconds: function() {
        return this._.getUTCMilliseconds();
      },
      getMinutes: function() {
        return this._.getUTCMinutes();
      },
      getMonth: function() {
        return this._.getUTCMonth();
      },
      getSeconds: function() {
        return this._.getUTCSeconds();
      },
      getTime: function() {
        return this._.getTime();
      },
      getTimezoneOffset: function() {
        return 0;
      },
      valueOf: function() {
        return this._.valueOf();
      },
      setDate: function() {
        d3_time_prototype.setUTCDate.apply(this._, arguments);
      },
      setDay: function() {
        d3_time_prototype.setUTCDay.apply(this._, arguments);
      },
      setFullYear: function() {
        d3_time_prototype.setUTCFullYear.apply(this._, arguments);
      },
      setHours: function() {
        d3_time_prototype.setUTCHours.apply(this._, arguments);
      },
      setMilliseconds: function() {
        d3_time_prototype.setUTCMilliseconds.apply(this._, arguments);
      },
      setMinutes: function() {
        d3_time_prototype.setUTCMinutes.apply(this._, arguments);
      },
      setMonth: function() {
        d3_time_prototype.setUTCMonth.apply(this._, arguments);
      },
      setSeconds: function() {
        d3_time_prototype.setUTCSeconds.apply(this._, arguments);
      },
      setTime: function() {
        d3_time_prototype.setTime.apply(this._, arguments);
      }
    };
    var d3_time_prototype = Date.prototype;
    function d3_time_interval(local, step, number) {
      function round(date) {
        var d0 = local(date), d1 = offset(d0, 1);
        return date - d0 < d1 - date ? d0 : d1;
      }
      function ceil(date) {
        step(date = local(new d3_date(date - 1)), 1);
        return date;
      }
      function offset(date, k) {
        step(date = new d3_date(+date), k);
        return date;
      }
      function range(t0, t1, dt) {
        var time = ceil(t0), times = [];
        if (dt > 1) {
          while (time < t1) {
            if (!(number(time) % dt)) times.push(new Date(+time));
            step(time, 1);
          }
        } else {
          while (time < t1) times.push(new Date(+time)), step(time, 1);
        }
        return times;
      }
      function range_utc(t0, t1, dt) {
        try {
          d3_date = d3_date_utc;
          var utc = new d3_date_utc();
          utc._ = t0;
          return range(utc, t1, dt);
        } finally {
          d3_date = Date;
        }
      }
      local.floor = local;
      local.round = round;
      local.ceil = ceil;
      local.offset = offset;
      local.range = range;
      var utc = local.utc = d3_time_interval_utc(local);
      utc.floor = utc;
      utc.round = d3_time_interval_utc(round);
      utc.ceil = d3_time_interval_utc(ceil);
      utc.offset = d3_time_interval_utc(offset);
      utc.range = range_utc;
      return local;
    }
    function d3_time_interval_utc(method) {
      return function(date, k) {
        try {
          d3_date = d3_date_utc;
          var utc = new d3_date_utc();
          utc._ = date;
          return method(utc, k)._;
        } finally {
          d3_date = Date;
        }
      };
    }
    d3_time.year = d3_time_interval(function(date) {
      date = d3_time.day(date);
      date.setMonth(0, 1);
      return date;
    }, function(date, offset) {
      date.setFullYear(date.getFullYear() + offset);
    }, function(date) {
      return date.getFullYear();
    });
    d3_time.years = d3_time.year.range;
    d3_time.years.utc = d3_time.year.utc.range;
    d3_time.day = d3_time_interval(function(date) {
      var day = new d3_date(2e3, 0);
      day.setFullYear(date.getFullYear(), date.getMonth(), date.getDate());
      return day;
    }, function(date, offset) {
      date.setDate(date.getDate() + offset);
    }, function(date) {
      return date.getDate() - 1;
    });
    d3_time.days = d3_time.day.range;
    d3_time.days.utc = d3_time.day.utc.range;
    d3_time.dayOfYear = function(date) {
      var year = d3_time.year(date);
      return Math.floor((date - year - (date.getTimezoneOffset() - year.getTimezoneOffset()) * 6e4) / 864e5);
    };
    [ "sunday", "monday", "tuesday", "wednesday", "thursday", "friday", "saturday" ].forEach(function(day, i) {
      i = 7 - i;
      var interval = d3_time[day] = d3_time_interval(function(date) {
        (date = d3_time.day(date)).setDate(date.getDate() - (date.getDay() + i) % 7);
        return date;
      }, function(date, offset) {
        date.setDate(date.getDate() + Math.floor(offset) * 7);
      }, function(date) {
        var day = d3_time.year(date).getDay();
        return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7) - (day !== i);
      });
      d3_time[day + "s"] = interval.range;
      d3_time[day + "s"].utc = interval.utc.range;
      d3_time[day + "OfYear"] = function(date) {
        var day = d3_time.year(date).getDay();
        return Math.floor((d3_time.dayOfYear(date) + (day + i) % 7) / 7);
      };
    });
    d3_time.week = d3_time.sunday;
    d3_time.weeks = d3_time.sunday.range;
    d3_time.weeks.utc = d3_time.sunday.utc.range;
    d3_time.weekOfYear = d3_time.sundayOfYear;
    function d3_locale_timeFormat(locale) {
      var locale_dateTime = locale.dateTime, locale_date = locale.date, locale_time = locale.time, locale_periods = locale.periods, locale_days = locale.days, locale_shortDays = locale.shortDays, locale_months = locale.months, locale_shortMonths = locale.shortMonths;
      function d3_time_format(template) {
        var n = template.length;
        function format(date) {
          var string = [], i = -1, j = 0, c, p, f;
          while (++i < n) {
            if (template.charCodeAt(i) === 37) {
              string.push(template.slice(j, i));
              if ((p = d3_time_formatPads[c = template.charAt(++i)]) != null) c = template.charAt(++i);
              if (f = d3_time_formats[c]) c = f(date, p == null ? c === "e" ? " " : "0" : p);
              string.push(c);
              j = i + 1;
            }
          }
          string.push(template.slice(j, i));
          return string.join("");
        }
        format.parse = function(string) {
          var d = {
            y: 1900,
            m: 0,
            d: 1,
            H: 0,
            M: 0,
            S: 0,
            L: 0,
            Z: null
          }, i = d3_time_parse(d, template, string, 0);
          if (i != string.length) return null;
          if ("p" in d) d.H = d.H % 12 + d.p * 12;
          var localZ = d.Z != null && d3_date !== d3_date_utc, date = new (localZ ? d3_date_utc : d3_date)();
          if ("j" in d) date.setFullYear(d.y, 0, d.j); else if ("W" in d || "U" in d) {
            if (!("w" in d)) d.w = "W" in d ? 1 : 0;
            date.setFullYear(d.y, 0, 1);
            date.setFullYear(d.y, 0, "W" in d ? (d.w + 6) % 7 + d.W * 7 - (date.getDay() + 5) % 7 : d.w + d.U * 7 - (date.getDay() + 6) % 7);
          } else date.setFullYear(d.y, d.m, d.d);
          date.setHours(d.H + (d.Z / 100 | 0), d.M + d.Z % 100, d.S, d.L);
          return localZ ? date._ : date;
        };
        format.toString = function() {
          return template;
        };
        return format;
      }
      function d3_time_parse(date, template, string, j) {
        var c, p, t, i = 0, n = template.length, m = string.length;
        while (i < n) {
          if (j >= m) return -1;
          c = template.charCodeAt(i++);
          if (c === 37) {
            t = template.charAt(i++);
            p = d3_time_parsers[t in d3_time_formatPads ? template.charAt(i++) : t];
            if (!p || (j = p(date, string, j)) < 0) return -1;
          } else if (c != string.charCodeAt(j++)) {
            return -1;
          }
        }
        return j;
      }
      d3_time_format.utc = function(template) {
        var local = d3_time_format(template);
        function format(date) {
          try {
            d3_date = d3_date_utc;
            var utc = new d3_date();
            utc._ = date;
            return local(utc);
          } finally {
            d3_date = Date;
          }
        }
        format.parse = function(string) {
          try {
            d3_date = d3_date_utc;
            var date = local.parse(string);
            return date && date._;
          } finally {
            d3_date = Date;
          }
        };
        format.toString = local.toString;
        return format;
      };
      d3_time_format.multi = d3_time_format.utc.multi = d3_time_formatMulti;
      var d3_time_periodLookup = d3.map(), d3_time_dayRe = d3_time_formatRe(locale_days), d3_time_dayLookup = d3_time_formatLookup(locale_days), d3_time_dayAbbrevRe = d3_time_formatRe(locale_shortDays), d3_time_dayAbbrevLookup = d3_time_formatLookup(locale_shortDays), d3_time_monthRe = d3_time_formatRe(locale_months), d3_time_monthLookup = d3_time_formatLookup(locale_months), d3_time_monthAbbrevRe = d3_time_formatRe(locale_shortMonths), d3_time_monthAbbrevLookup = d3_time_formatLookup(locale_shortMonths);
      locale_periods.forEach(function(p, i) {
        d3_time_periodLookup.set(p.toLowerCase(), i);
      });
      var d3_time_formats = {
        a: function(d) {
          return locale_shortDays[d.getDay()];
        },
        A: function(d) {
          return locale_days[d.getDay()];
        },
        b: function(d) {
          return locale_shortMonths[d.getMonth()];
        },
        B: function(d) {
          return locale_months[d.getMonth()];
        },
        c: d3_time_format(locale_dateTime),
        d: function(d, p) {
          return d3_time_formatPad(d.getDate(), p, 2);
        },
        e: function(d, p) {
          return d3_time_formatPad(d.getDate(), p, 2);
        },
        H: function(d, p) {
          return d3_time_formatPad(d.getHours(), p, 2);
        },
        I: function(d, p) {
          return d3_time_formatPad(d.getHours() % 12 || 12, p, 2);
        },
        j: function(d, p) {
          return d3_time_formatPad(1 + d3_time.dayOfYear(d), p, 3);
        },
        L: function(d, p) {
          return d3_time_formatPad(d.getMilliseconds(), p, 3);
        },
        m: function(d, p) {
          return d3_time_formatPad(d.getMonth() + 1, p, 2);
        },
        M: function(d, p) {
          return d3_time_formatPad(d.getMinutes(), p, 2);
        },
        p: function(d) {
          return locale_periods[+(d.getHours() >= 12)];
        },
        S: function(d, p) {
          return d3_time_formatPad(d.getSeconds(), p, 2);
        },
        U: function(d, p) {
          return d3_time_formatPad(d3_time.sundayOfYear(d), p, 2);
        },
        w: function(d) {
          return d.getDay();
        },
        W: function(d, p) {
          return d3_time_formatPad(d3_time.mondayOfYear(d), p, 2);
        },
        x: d3_time_format(locale_date),
        X: d3_time_format(locale_time),
        y: function(d, p) {
          return d3_time_formatPad(d.getFullYear() % 100, p, 2);
        },
        Y: function(d, p) {
          return d3_time_formatPad(d.getFullYear() % 1e4, p, 4);
        },
        Z: d3_time_zone,
        "%": function() {
          return "%";
        }
      };
      var d3_time_parsers = {
        a: d3_time_parseWeekdayAbbrev,
        A: d3_time_parseWeekday,
        b: d3_time_parseMonthAbbrev,
        B: d3_time_parseMonth,
        c: d3_time_parseLocaleFull,
        d: d3_time_parseDay,
        e: d3_time_parseDay,
        H: d3_time_parseHour24,
        I: d3_time_parseHour24,
        j: d3_time_parseDayOfYear,
        L: d3_time_parseMilliseconds,
        m: d3_time_parseMonthNumber,
        M: d3_time_parseMinutes,
        p: d3_time_parseAmPm,
        S: d3_time_parseSeconds,
        U: d3_time_parseWeekNumberSunday,
        w: d3_time_parseWeekdayNumber,
        W: d3_time_parseWeekNumberMonday,
        x: d3_time_parseLocaleDate,
        X: d3_time_parseLocaleTime,
        y: d3_time_parseYear,
        Y: d3_time_parseFullYear,
        Z: d3_time_parseZone,
        "%": d3_time_parseLiteralPercent
      };
      function d3_time_parseWeekdayAbbrev(date, string, i) {
        d3_time_dayAbbrevRe.lastIndex = 0;
        var n = d3_time_dayAbbrevRe.exec(string.slice(i));
        return n ? (date.w = d3_time_dayAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
      }
      function d3_time_parseWeekday(date, string, i) {
        d3_time_dayRe.lastIndex = 0;
        var n = d3_time_dayRe.exec(string.slice(i));
        return n ? (date.w = d3_time_dayLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
      }
      function d3_time_parseMonthAbbrev(date, string, i) {
        d3_time_monthAbbrevRe.lastIndex = 0;
        var n = d3_time_monthAbbrevRe.exec(string.slice(i));
        return n ? (date.m = d3_time_monthAbbrevLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
      }
      function d3_time_parseMonth(date, string, i) {
        d3_time_monthRe.lastIndex = 0;
        var n = d3_time_monthRe.exec(string.slice(i));
        return n ? (date.m = d3_time_monthLookup.get(n[0].toLowerCase()), i + n[0].length) : -1;
      }
      function d3_time_parseLocaleFull(date, string, i) {
        return d3_time_parse(date, d3_time_formats.c.toString(), string, i);
      }
      function d3_time_parseLocaleDate(date, string, i) {
        return d3_time_parse(date, d3_time_formats.x.toString(), string, i);
      }
      function d3_time_parseLocaleTime(date, string, i) {
        return d3_time_parse(date, d3_time_formats.X.toString(), string, i);
      }
      function d3_time_parseAmPm(date, string, i) {
        var n = d3_time_periodLookup.get(string.slice(i, i += 2).toLowerCase());
        return n == null ? -1 : (date.p = n, i);
      }
      return d3_time_format;
    }
    var d3_time_formatPads = {
      "-": "",
      _: " ",
      "0": "0"
    }, d3_time_numberRe = /^\s*\d+/, d3_time_percentRe = /^%/;
    function d3_time_formatPad(value, fill, width) {
      var sign = value < 0 ? "-" : "", string = (sign ? -value : value) + "", length = string.length;
      return sign + (length < width ? new Array(width - length + 1).join(fill) + string : string);
    }
    function d3_time_formatRe(names) {
      return new RegExp("^(?:" + names.map(d3.requote).join("|") + ")", "i");
    }
    function d3_time_formatLookup(names) {
      var map = new d3_Map(), i = -1, n = names.length;
      while (++i < n) map.set(names[i].toLowerCase(), i);
      return map;
    }
    function d3_time_parseWeekdayNumber(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 1));
      return n ? (date.w = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseWeekNumberSunday(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i));
      return n ? (date.U = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseWeekNumberMonday(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i));
      return n ? (date.W = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseFullYear(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 4));
      return n ? (date.y = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseYear(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 2));
      return n ? (date.y = d3_time_expandYear(+n[0]), i + n[0].length) : -1;
    }
    function d3_time_parseZone(date, string, i) {
      return /^[+-]\d{4}$/.test(string = string.slice(i, i + 5)) ? (date.Z = -string, 
      i + 5) : -1;
    }
    function d3_time_expandYear(d) {
      return d + (d > 68 ? 1900 : 2e3);
    }
    function d3_time_parseMonthNumber(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 2));
      return n ? (date.m = n[0] - 1, i + n[0].length) : -1;
    }
    function d3_time_parseDay(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 2));
      return n ? (date.d = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseDayOfYear(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 3));
      return n ? (date.j = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseHour24(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 2));
      return n ? (date.H = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseMinutes(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 2));
      return n ? (date.M = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseSeconds(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 2));
      return n ? (date.S = +n[0], i + n[0].length) : -1;
    }
    function d3_time_parseMilliseconds(date, string, i) {
      d3_time_numberRe.lastIndex = 0;
      var n = d3_time_numberRe.exec(string.slice(i, i + 3));
      return n ? (date.L = +n[0], i + n[0].length) : -1;
    }
    function d3_time_zone(d) {
      var z = d.getTimezoneOffset(), zs = z > 0 ? "-" : "+", zh = abs(z) / 60 | 0, zm = abs(z) % 60;
      return zs + d3_time_formatPad(zh, "0", 2) + d3_time_formatPad(zm, "0", 2);
    }
    function d3_time_parseLiteralPercent(date, string, i) {
      d3_time_percentRe.lastIndex = 0;
      var n = d3_time_percentRe.exec(string.slice(i, i + 1));
      return n ? i + n[0].length : -1;
    }
    function d3_time_formatMulti(formats) {
      var n = formats.length, i = -1;
      while (++i < n) formats[i][0] = this(formats[i][0]);
      return function(date) {
        var i = 0, f = formats[i];
        while (!f[1](date)) f = formats[++i];
        return f[0](date);
      };
    }
    d3.locale = function(locale) {
      return {
        numberFormat: d3_locale_numberFormat(locale),
        timeFormat: d3_locale_timeFormat(locale)
      };
    };
    var d3_locale_enUS = d3.locale({
      decimal: ".",
      thousands: ",",
      grouping: [ 3 ],
      currency: [ "$", "" ],
      dateTime: "%a %b %e %X %Y",
      date: "%m/%d/%Y",
      time: "%H:%M:%S",
      periods: [ "AM", "PM" ],
      days: [ "Sunday", "Monday", "Tuesday", "Wednesday", "Thursday", "Friday", "Saturday" ],
      shortDays: [ "Sun", "Mon", "Tue", "Wed", "Thu", "Fri", "Sat" ],
      months: [ "January", "February", "March", "April", "May", "June", "July", "August", "September", "October", "November", "December" ],
      shortMonths: [ "Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", "Oct", "Nov", "Dec" ]
    });
    d3.format = d3_locale_enUS.numberFormat;
    d3.geo = {};
    function d3_adder() {}
    d3_adder.prototype = {
      s: 0,
      t: 0,
      add: function(y) {
        d3_adderSum(y, this.t, d3_adderTemp);
        d3_adderSum(d3_adderTemp.s, this.s, this);
        if (this.s) this.t += d3_adderTemp.t; else this.s = d3_adderTemp.t;
      },
      reset: function() {
        this.s = this.t = 0;
      },
      valueOf: function() {
        return this.s;
      }
    };
    var d3_adderTemp = new d3_adder();
    function d3_adderSum(a, b, o) {
      var x = o.s = a + b, bv = x - a, av = x - bv;
      o.t = a - av + (b - bv);
    }
    d3.geo.stream = function(object, listener) {
      if (object && d3_geo_streamObjectType.hasOwnProperty(object.type)) {
        d3_geo_streamObjectType[object.type](object, listener);
      } else {
        d3_geo_streamGeometry(object, listener);
      }
    };
    function d3_geo_streamGeometry(geometry, listener) {
      if (geometry && d3_geo_streamGeometryType.hasOwnProperty(geometry.type)) {
        d3_geo_streamGeometryType[geometry.type](geometry, listener);
      }
    }
    var d3_geo_streamObjectType = {
      Feature: function(feature, listener) {
        d3_geo_streamGeometry(feature.geometry, listener);
      },
      FeatureCollection: function(object, listener) {
        var features = object.features, i = -1, n = features.length;
        while (++i < n) d3_geo_streamGeometry(features[i].geometry, listener);
      }
    };
    var d3_geo_streamGeometryType = {
      Sphere: function(object, listener) {
        listener.sphere();
      },
      Point: function(object, listener) {
        object = object.coordinates;
        listener.point(object[0], object[1], object[2]);
      },
      MultiPoint: function(object, listener) {
        var coordinates = object.coordinates, i = -1, n = coordinates.length;
        while (++i < n) object = coordinates[i], listener.point(object[0], object[1], object[2]);
      },
      LineString: function(object, listener) {
        d3_geo_streamLine(object.coordinates, listener, 0);
      },
      MultiLineString: function(object, listener) {
        var coordinates = object.coordinates, i = -1, n = coordinates.length;
        while (++i < n) d3_geo_streamLine(coordinates[i], listener, 0);
      },
      Polygon: function(object, listener) {
        d3_geo_streamPolygon(object.coordinates, listener);
      },
      MultiPolygon: function(object, listener) {
        var coordinates = object.coordinates, i = -1, n = coordinates.length;
        while (++i < n) d3_geo_streamPolygon(coordinates[i], listener);
      },
      GeometryCollection: function(object, listener) {
        var geometries = object.geometries, i = -1, n = geometries.length;
        while (++i < n) d3_geo_streamGeometry(geometries[i], listener);
      }
    };
    function d3_geo_streamLine(coordinates, listener, closed) {
      var i = -1, n = coordinates.length - closed, coordinate;
      listener.lineStart();
      while (++i < n) coordinate = coordinates[i], listener.point(coordinate[0], coordinate[1], coordinate[2]);
      listener.lineEnd();
    }
    function d3_geo_streamPolygon(coordinates, listener) {
      var i = -1, n = coordinates.length;
      listener.polygonStart();
      while (++i < n) d3_geo_streamLine(coordinates[i], listener, 1);
      listener.polygonEnd();
    }
    d3.geo.area = function(object) {
      d3_geo_areaSum = 0;
      d3.geo.stream(object, d3_geo_area);
      return d3_geo_areaSum;
    };
    var d3_geo_areaSum, d3_geo_areaRingSum = new d3_adder();
    var d3_geo_area = {
      sphere: function() {
        d3_geo_areaSum += 4 * π;
      },
      point: d3_noop,
      lineStart: d3_noop,
      lineEnd: d3_noop,
      polygonStart: function() {
        d3_geo_areaRingSum.reset();
        d3_geo_area.lineStart = d3_geo_areaRingStart;
      },
      polygonEnd: function() {
        var area = 2 * d3_geo_areaRingSum;
        d3_geo_areaSum += area < 0 ? 4 * π + area : area;
        d3_geo_area.lineStart = d3_geo_area.lineEnd = d3_geo_area.point = d3_noop;
      }
    };
    function d3_geo_areaRingStart() {
      var λ00, φ00, λ0, cosφ0, sinφ0;
      d3_geo_area.point = function(λ, φ) {
        d3_geo_area.point = nextPoint;
        λ0 = (λ00 = λ) * d3_radians, cosφ0 = Math.cos(φ = (φ00 = φ) * d3_radians / 2 + π / 4), 
        sinφ0 = Math.sin(φ);
      };
      function nextPoint(λ, φ) {
        λ *= d3_radians;
        φ = φ * d3_radians / 2 + π / 4;
        var dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, cosφ = Math.cos(φ), sinφ = Math.sin(φ), k = sinφ0 * sinφ, u = cosφ0 * cosφ + k * Math.cos(adλ), v = k * sdλ * Math.sin(adλ);
        d3_geo_areaRingSum.add(Math.atan2(v, u));
        λ0 = λ, cosφ0 = cosφ, sinφ0 = sinφ;
      }
      d3_geo_area.lineEnd = function() {
        nextPoint(λ00, φ00);
      };
    }
    function d3_geo_cartesian(spherical) {
      var λ = spherical[0], φ = spherical[1], cosφ = Math.cos(φ);
      return [ cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ) ];
    }
    function d3_geo_cartesianDot(a, b) {
      return a[0] * b[0] + a[1] * b[1] + a[2] * b[2];
    }
    function d3_geo_cartesianCross(a, b) {
      return [ a[1] * b[2] - a[2] * b[1], a[2] * b[0] - a[0] * b[2], a[0] * b[1] - a[1] * b[0] ];
    }
    function d3_geo_cartesianAdd(a, b) {
      a[0] += b[0];
      a[1] += b[1];
      a[2] += b[2];
    }
    function d3_geo_cartesianScale(vector, k) {
      return [ vector[0] * k, vector[1] * k, vector[2] * k ];
    }
    function d3_geo_cartesianNormalize(d) {
      var l = Math.sqrt(d[0] * d[0] + d[1] * d[1] + d[2] * d[2]);
      d[0] /= l;
      d[1] /= l;
      d[2] /= l;
    }
    function d3_geo_spherical(cartesian) {
      return [ Math.atan2(cartesian[1], cartesian[0]), d3_asin(cartesian[2]) ];
    }
    function d3_geo_sphericalEqual(a, b) {
      return abs(a[0] - b[0]) < ε && abs(a[1] - b[1]) < ε;
    }
    d3.geo.bounds = function() {
      var λ0, φ0, λ1, φ1, λ_, λ__, φ__, p0, dλSum, ranges, range;
      var bound = {
        point: point,
        lineStart: lineStart,
        lineEnd: lineEnd,
        polygonStart: function() {
          bound.point = ringPoint;
          bound.lineStart = ringStart;
          bound.lineEnd = ringEnd;
          dλSum = 0;
          d3_geo_area.polygonStart();
        },
        polygonEnd: function() {
          d3_geo_area.polygonEnd();
          bound.point = point;
          bound.lineStart = lineStart;
          bound.lineEnd = lineEnd;
          if (d3_geo_areaRingSum < 0) λ0 = -(λ1 = 180), φ0 = -(φ1 = 90); else if (dλSum > ε) φ1 = 90; else if (dλSum < -ε) φ0 = -90;
          range[0] = λ0, range[1] = λ1;
        }
      };
      function point(λ, φ) {
        ranges.push(range = [ λ0 = λ, λ1 = λ ]);
        if (φ < φ0) φ0 = φ;
        if (φ > φ1) φ1 = φ;
      }
      function linePoint(λ, φ) {
        var p = d3_geo_cartesian([ λ * d3_radians, φ * d3_radians ]);
        if (p0) {
          var normal = d3_geo_cartesianCross(p0, p), equatorial = [ normal[1], -normal[0], 0 ], inflection = d3_geo_cartesianCross(equatorial, normal);
          d3_geo_cartesianNormalize(inflection);
          inflection = d3_geo_spherical(inflection);
          var dλ = λ - λ_, s = dλ > 0 ? 1 : -1, λi = inflection[0] * d3_degrees * s, antimeridian = abs(dλ) > 180;
          if (antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
            var φi = inflection[1] * d3_degrees;
            if (φi > φ1) φ1 = φi;
          } else if (λi = (λi + 360) % 360 - 180, antimeridian ^ (s * λ_ < λi && λi < s * λ)) {
            var φi = -inflection[1] * d3_degrees;
            if (φi < φ0) φ0 = φi;
          } else {
            if (φ < φ0) φ0 = φ;
            if (φ > φ1) φ1 = φ;
          }
          if (antimeridian) {
            if (λ < λ_) {
              if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
            } else {
              if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
            }
          } else {
            if (λ1 >= λ0) {
              if (λ < λ0) λ0 = λ;
              if (λ > λ1) λ1 = λ;
            } else {
              if (λ > λ_) {
                if (angle(λ0, λ) > angle(λ0, λ1)) λ1 = λ;
              } else {
                if (angle(λ, λ1) > angle(λ0, λ1)) λ0 = λ;
              }
            }
          }
        } else {
          point(λ, φ);
        }
        p0 = p, λ_ = λ;
      }
      function lineStart() {
        bound.point = linePoint;
      }
      function lineEnd() {
        range[0] = λ0, range[1] = λ1;
        bound.point = point;
        p0 = null;
      }
      function ringPoint(λ, φ) {
        if (p0) {
          var dλ = λ - λ_;
          dλSum += abs(dλ) > 180 ? dλ + (dλ > 0 ? 360 : -360) : dλ;
        } else λ__ = λ, φ__ = φ;
        d3_geo_area.point(λ, φ);
        linePoint(λ, φ);
      }
      function ringStart() {
        d3_geo_area.lineStart();
      }
      function ringEnd() {
        ringPoint(λ__, φ__);
        d3_geo_area.lineEnd();
        if (abs(dλSum) > ε) λ0 = -(λ1 = 180);
        range[0] = λ0, range[1] = λ1;
        p0 = null;
      }
      function angle(λ0, λ1) {
        return (λ1 -= λ0) < 0 ? λ1 + 360 : λ1;
      }
      function compareRanges(a, b) {
        return a[0] - b[0];
      }
      function withinRange(x, range) {
        return range[0] <= range[1] ? range[0] <= x && x <= range[1] : x < range[0] || range[1] < x;
      }
      return function(feature) {
        φ1 = λ1 = -(λ0 = φ0 = Infinity);
        ranges = [];
        d3.geo.stream(feature, bound);
        var n = ranges.length;
        if (n) {
          ranges.sort(compareRanges);
          for (var i = 1, a = ranges[0], b, merged = [ a ]; i < n; ++i) {
            b = ranges[i];
            if (withinRange(b[0], a) || withinRange(b[1], a)) {
              if (angle(a[0], b[1]) > angle(a[0], a[1])) a[1] = b[1];
              if (angle(b[0], a[1]) > angle(a[0], a[1])) a[0] = b[0];
            } else {
              merged.push(a = b);
            }
          }
          var best = -Infinity, dλ;
          for (var n = merged.length - 1, i = 0, a = merged[n], b; i <= n; a = b, ++i) {
            b = merged[i];
            if ((dλ = angle(a[1], b[0])) > best) best = dλ, λ0 = b[0], λ1 = a[1];
          }
        }
        ranges = range = null;
        return λ0 === Infinity || φ0 === Infinity ? [ [ NaN, NaN ], [ NaN, NaN ] ] : [ [ λ0, φ0 ], [ λ1, φ1 ] ];
      };
    }();
    d3.geo.centroid = function(object) {
      d3_geo_centroidW0 = d3_geo_centroidW1 = d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
      d3.geo.stream(object, d3_geo_centroid);
      var x = d3_geo_centroidX2, y = d3_geo_centroidY2, z = d3_geo_centroidZ2, m = x * x + y * y + z * z;
      if (m < ε2) {
        x = d3_geo_centroidX1, y = d3_geo_centroidY1, z = d3_geo_centroidZ1;
        if (d3_geo_centroidW1 < ε) x = d3_geo_centroidX0, y = d3_geo_centroidY0, z = d3_geo_centroidZ0;
        m = x * x + y * y + z * z;
        if (m < ε2) return [ NaN, NaN ];
      }
      return [ Math.atan2(y, x) * d3_degrees, d3_asin(z / Math.sqrt(m)) * d3_degrees ];
    };
    var d3_geo_centroidW0, d3_geo_centroidW1, d3_geo_centroidX0, d3_geo_centroidY0, d3_geo_centroidZ0, d3_geo_centroidX1, d3_geo_centroidY1, d3_geo_centroidZ1, d3_geo_centroidX2, d3_geo_centroidY2, d3_geo_centroidZ2;
    var d3_geo_centroid = {
      sphere: d3_noop,
      point: d3_geo_centroidPoint,
      lineStart: d3_geo_centroidLineStart,
      lineEnd: d3_geo_centroidLineEnd,
      polygonStart: function() {
        d3_geo_centroid.lineStart = d3_geo_centroidRingStart;
      },
      polygonEnd: function() {
        d3_geo_centroid.lineStart = d3_geo_centroidLineStart;
      }
    };
    function d3_geo_centroidPoint(λ, φ) {
      λ *= d3_radians;
      var cosφ = Math.cos(φ *= d3_radians);
      d3_geo_centroidPointXYZ(cosφ * Math.cos(λ), cosφ * Math.sin(λ), Math.sin(φ));
    }
    function d3_geo_centroidPointXYZ(x, y, z) {
      ++d3_geo_centroidW0;
      d3_geo_centroidX0 += (x - d3_geo_centroidX0) / d3_geo_centroidW0;
      d3_geo_centroidY0 += (y - d3_geo_centroidY0) / d3_geo_centroidW0;
      d3_geo_centroidZ0 += (z - d3_geo_centroidZ0) / d3_geo_centroidW0;
    }
    function d3_geo_centroidLineStart() {
      var x0, y0, z0;
      d3_geo_centroid.point = function(λ, φ) {
        λ *= d3_radians;
        var cosφ = Math.cos(φ *= d3_radians);
        x0 = cosφ * Math.cos(λ);
        y0 = cosφ * Math.sin(λ);
        z0 = Math.sin(φ);
        d3_geo_centroid.point = nextPoint;
        d3_geo_centroidPointXYZ(x0, y0, z0);
      };
      function nextPoint(λ, φ) {
        λ *= d3_radians;
        var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), w = Math.atan2(Math.sqrt((w = y0 * z - z0 * y) * w + (w = z0 * x - x0 * z) * w + (w = x0 * y - y0 * x) * w), x0 * x + y0 * y + z0 * z);
        d3_geo_centroidW1 += w;
        d3_geo_centroidX1 += w * (x0 + (x0 = x));
        d3_geo_centroidY1 += w * (y0 + (y0 = y));
        d3_geo_centroidZ1 += w * (z0 + (z0 = z));
        d3_geo_centroidPointXYZ(x0, y0, z0);
      }
    }
    function d3_geo_centroidLineEnd() {
      d3_geo_centroid.point = d3_geo_centroidPoint;
    }
    function d3_geo_centroidRingStart() {
      var λ00, φ00, x0, y0, z0;
      d3_geo_centroid.point = function(λ, φ) {
        λ00 = λ, φ00 = φ;
        d3_geo_centroid.point = nextPoint;
        λ *= d3_radians;
        var cosφ = Math.cos(φ *= d3_radians);
        x0 = cosφ * Math.cos(λ);
        y0 = cosφ * Math.sin(λ);
        z0 = Math.sin(φ);
        d3_geo_centroidPointXYZ(x0, y0, z0);
      };
      d3_geo_centroid.lineEnd = function() {
        nextPoint(λ00, φ00);
        d3_geo_centroid.lineEnd = d3_geo_centroidLineEnd;
        d3_geo_centroid.point = d3_geo_centroidPoint;
      };
      function nextPoint(λ, φ) {
        λ *= d3_radians;
        var cosφ = Math.cos(φ *= d3_radians), x = cosφ * Math.cos(λ), y = cosφ * Math.sin(λ), z = Math.sin(φ), cx = y0 * z - z0 * y, cy = z0 * x - x0 * z, cz = x0 * y - y0 * x, m = Math.sqrt(cx * cx + cy * cy + cz * cz), u = x0 * x + y0 * y + z0 * z, v = m && -d3_acos(u) / m, w = Math.atan2(m, u);
        d3_geo_centroidX2 += v * cx;
        d3_geo_centroidY2 += v * cy;
        d3_geo_centroidZ2 += v * cz;
        d3_geo_centroidW1 += w;
        d3_geo_centroidX1 += w * (x0 + (x0 = x));
        d3_geo_centroidY1 += w * (y0 + (y0 = y));
        d3_geo_centroidZ1 += w * (z0 + (z0 = z));
        d3_geo_centroidPointXYZ(x0, y0, z0);
      }
    }
    function d3_geo_compose(a, b) {
      function compose(x, y) {
        return x = a(x, y), b(x[0], x[1]);
      }
      if (a.invert && b.invert) compose.invert = function(x, y) {
        return x = b.invert(x, y), x && a.invert(x[0], x[1]);
      };
      return compose;
    }
    function d3_true() {
      return true;
    }
    function d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener) {
      var subject = [], clip = [];
      segments.forEach(function(segment) {
        if ((n = segment.length - 1) <= 0) return;
        var n, p0 = segment[0], p1 = segment[n];
        if (d3_geo_sphericalEqual(p0, p1)) {
          listener.lineStart();
          for (var i = 0; i < n; ++i) listener.point((p0 = segment[i])[0], p0[1]);
          listener.lineEnd();
          return;
        }
        var a = new d3_geo_clipPolygonIntersection(p0, segment, null, true), b = new d3_geo_clipPolygonIntersection(p0, null, a, false);
        a.o = b;
        subject.push(a);
        clip.push(b);
        a = new d3_geo_clipPolygonIntersection(p1, segment, null, false);
        b = new d3_geo_clipPolygonIntersection(p1, null, a, true);
        a.o = b;
        subject.push(a);
        clip.push(b);
      });
      clip.sort(compare);
      d3_geo_clipPolygonLinkCircular(subject);
      d3_geo_clipPolygonLinkCircular(clip);
      if (!subject.length) return;
      for (var i = 0, entry = clipStartInside, n = clip.length; i < n; ++i) {
        clip[i].e = entry = !entry;
      }
      var start = subject[0], points, point;
      while (1) {
        var current = start, isSubject = true;
        while (current.v) if ((current = current.n) === start) return;
        points = current.z;
        listener.lineStart();
        do {
          current.v = current.o.v = true;
          if (current.e) {
            if (isSubject) {
              for (var i = 0, n = points.length; i < n; ++i) listener.point((point = points[i])[0], point[1]);
            } else {
              interpolate(current.x, current.n.x, 1, listener);
            }
            current = current.n;
          } else {
            if (isSubject) {
              points = current.p.z;
              for (var i = points.length - 1; i >= 0; --i) listener.point((point = points[i])[0], point[1]);
            } else {
              interpolate(current.x, current.p.x, -1, listener);
            }
            current = current.p;
          }
          current = current.o;
          points = current.z;
          isSubject = !isSubject;
        } while (!current.v);
        listener.lineEnd();
      }
    }
    function d3_geo_clipPolygonLinkCircular(array) {
      if (!(n = array.length)) return;
      var n, i = 0, a = array[0], b;
      while (++i < n) {
        a.n = b = array[i];
        b.p = a;
        a = b;
      }
      a.n = b = array[0];
      b.p = a;
    }
    function d3_geo_clipPolygonIntersection(point, points, other, entry) {
      this.x = point;
      this.z = points;
      this.o = other;
      this.e = entry;
      this.v = false;
      this.n = this.p = null;
    }
    function d3_geo_clip(pointVisible, clipLine, interpolate, clipStart) {
      return function(rotate, listener) {
        var line = clipLine(listener), rotatedClipStart = rotate.invert(clipStart[0], clipStart[1]);
        var clip = {
          point: point,
          lineStart: lineStart,
          lineEnd: lineEnd,
          polygonStart: function() {
            clip.point = pointRing;
            clip.lineStart = ringStart;
            clip.lineEnd = ringEnd;
            segments = [];
            polygon = [];
          },
          polygonEnd: function() {
            clip.point = point;
            clip.lineStart = lineStart;
            clip.lineEnd = lineEnd;
            segments = d3.merge(segments);
            var clipStartInside = d3_geo_pointInPolygon(rotatedClipStart, polygon);
            if (segments.length) {
              if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
              d3_geo_clipPolygon(segments, d3_geo_clipSort, clipStartInside, interpolate, listener);
            } else if (clipStartInside) {
              if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
              listener.lineStart();
              interpolate(null, null, 1, listener);
              listener.lineEnd();
            }
            if (polygonStarted) listener.polygonEnd(), polygonStarted = false;
            segments = polygon = null;
          },
          sphere: function() {
            listener.polygonStart();
            listener.lineStart();
            interpolate(null, null, 1, listener);
            listener.lineEnd();
            listener.polygonEnd();
          }
        };
        function point(λ, φ) {
          var point = rotate(λ, φ);
          if (pointVisible(λ = point[0], φ = point[1])) listener.point(λ, φ);
        }
        function pointLine(λ, φ) {
          var point = rotate(λ, φ);
          line.point(point[0], point[1]);
        }
        function lineStart() {
          clip.point = pointLine;
          line.lineStart();
        }
        function lineEnd() {
          clip.point = point;
          line.lineEnd();
        }
        var segments;
        var buffer = d3_geo_clipBufferListener(), ringListener = clipLine(buffer), polygonStarted = false, polygon, ring;
        function pointRing(λ, φ) {
          ring.push([ λ, φ ]);
          var point = rotate(λ, φ);
          ringListener.point(point[0], point[1]);
        }
        function ringStart() {
          ringListener.lineStart();
          ring = [];
        }
        function ringEnd() {
          pointRing(ring[0][0], ring[0][1]);
          ringListener.lineEnd();
          var clean = ringListener.clean(), ringSegments = buffer.buffer(), segment, n = ringSegments.length;
          ring.pop();
          polygon.push(ring);
          ring = null;
          if (!n) return;
          if (clean & 1) {
            segment = ringSegments[0];
            var n = segment.length - 1, i = -1, point;
            if (n > 0) {
              if (!polygonStarted) listener.polygonStart(), polygonStarted = true;
              listener.lineStart();
              while (++i < n) listener.point((point = segment[i])[0], point[1]);
              listener.lineEnd();
            }
            return;
          }
          if (n > 1 && clean & 2) ringSegments.push(ringSegments.pop().concat(ringSegments.shift()));
          segments.push(ringSegments.filter(d3_geo_clipSegmentLength1));
        }
        return clip;
      };
    }
    function d3_geo_clipSegmentLength1(segment) {
      return segment.length > 1;
    }
    function d3_geo_clipBufferListener() {
      var lines = [], line;
      return {
        lineStart: function() {
          lines.push(line = []);
        },
        point: function(λ, φ) {
          line.push([ λ, φ ]);
        },
        lineEnd: d3_noop,
        buffer: function() {
          var buffer = lines;
          lines = [];
          line = null;
          return buffer;
        },
        rejoin: function() {
          if (lines.length > 1) lines.push(lines.pop().concat(lines.shift()));
        }
      };
    }
    function d3_geo_clipSort(a, b) {
      return ((a = a.x)[0] < 0 ? a[1] - halfπ - ε : halfπ - a[1]) - ((b = b.x)[0] < 0 ? b[1] - halfπ - ε : halfπ - b[1]);
    }
    var d3_geo_clipAntimeridian = d3_geo_clip(d3_true, d3_geo_clipAntimeridianLine, d3_geo_clipAntimeridianInterpolate, [ -π, -π / 2 ]);
    function d3_geo_clipAntimeridianLine(listener) {
      var λ0 = NaN, φ0 = NaN, sλ0 = NaN, clean;
      return {
        lineStart: function() {
          listener.lineStart();
          clean = 1;
        },
        point: function(λ1, φ1) {
          var sλ1 = λ1 > 0 ? π : -π, dλ = abs(λ1 - λ0);
          if (abs(dλ - π) < ε) {
            listener.point(λ0, φ0 = (φ0 + φ1) / 2 > 0 ? halfπ : -halfπ);
            listener.point(sλ0, φ0);
            listener.lineEnd();
            listener.lineStart();
            listener.point(sλ1, φ0);
            listener.point(λ1, φ0);
            clean = 0;
          } else if (sλ0 !== sλ1 && dλ >= π) {
            if (abs(λ0 - sλ0) < ε) λ0 -= sλ0 * ε;
            if (abs(λ1 - sλ1) < ε) λ1 -= sλ1 * ε;
            φ0 = d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1);
            listener.point(sλ0, φ0);
            listener.lineEnd();
            listener.lineStart();
            listener.point(sλ1, φ0);
            clean = 0;
          }
          listener.point(λ0 = λ1, φ0 = φ1);
          sλ0 = sλ1;
        },
        lineEnd: function() {
          listener.lineEnd();
          λ0 = φ0 = NaN;
        },
        clean: function() {
          return 2 - clean;
        }
      };
    }
    function d3_geo_clipAntimeridianIntersect(λ0, φ0, λ1, φ1) {
      var cosφ0, cosφ1, sinλ0_λ1 = Math.sin(λ0 - λ1);
      return abs(sinλ0_λ1) > ε ? Math.atan((Math.sin(φ0) * (cosφ1 = Math.cos(φ1)) * Math.sin(λ1) - Math.sin(φ1) * (cosφ0 = Math.cos(φ0)) * Math.sin(λ0)) / (cosφ0 * cosφ1 * sinλ0_λ1)) : (φ0 + φ1) / 2;
    }
    function d3_geo_clipAntimeridianInterpolate(from, to, direction, listener) {
      var φ;
      if (from == null) {
        φ = direction * halfπ;
        listener.point(-π, φ);
        listener.point(0, φ);
        listener.point(π, φ);
        listener.point(π, 0);
        listener.point(π, -φ);
        listener.point(0, -φ);
        listener.point(-π, -φ);
        listener.point(-π, 0);
        listener.point(-π, φ);
      } else if (abs(from[0] - to[0]) > ε) {
        var s = from[0] < to[0] ? π : -π;
        φ = direction * s / 2;
        listener.point(-s, φ);
        listener.point(0, φ);
        listener.point(s, φ);
      } else {
        listener.point(to[0], to[1]);
      }
    }
    function d3_geo_pointInPolygon(point, polygon) {
      var meridian = point[0], parallel = point[1], meridianNormal = [ Math.sin(meridian), -Math.cos(meridian), 0 ], polarAngle = 0, winding = 0;
      d3_geo_areaRingSum.reset();
      for (var i = 0, n = polygon.length; i < n; ++i) {
        var ring = polygon[i], m = ring.length;
        if (!m) continue;
        var point0 = ring[0], λ0 = point0[0], φ0 = point0[1] / 2 + π / 4, sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), j = 1;
        while (true) {
          if (j === m) j = 0;
          point = ring[j];
          var λ = point[0], φ = point[1] / 2 + π / 4, sinφ = Math.sin(φ), cosφ = Math.cos(φ), dλ = λ - λ0, sdλ = dλ >= 0 ? 1 : -1, adλ = sdλ * dλ, antimeridian = adλ > π, k = sinφ0 * sinφ;
          d3_geo_areaRingSum.add(Math.atan2(k * sdλ * Math.sin(adλ), cosφ0 * cosφ + k * Math.cos(adλ)));
          polarAngle += antimeridian ? dλ + sdλ * τ : dλ;
          if (antimeridian ^ λ0 >= meridian ^ λ >= meridian) {
            var arc = d3_geo_cartesianCross(d3_geo_cartesian(point0), d3_geo_cartesian(point));
            d3_geo_cartesianNormalize(arc);
            var intersection = d3_geo_cartesianCross(meridianNormal, arc);
            d3_geo_cartesianNormalize(intersection);
            var φarc = (antimeridian ^ dλ >= 0 ? -1 : 1) * d3_asin(intersection[2]);
            if (parallel > φarc || parallel === φarc && (arc[0] || arc[1])) {
              winding += antimeridian ^ dλ >= 0 ? 1 : -1;
            }
          }
          if (!j++) break;
          λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ, point0 = point;
        }
      }
      return (polarAngle < -ε || polarAngle < ε && d3_geo_areaRingSum < -ε) ^ winding & 1;
    }
    function d3_geo_clipCircle(radius) {
      var cr = Math.cos(radius), smallRadius = cr > 0, notHemisphere = abs(cr) > ε, interpolate = d3_geo_circleInterpolate(radius, 6 * d3_radians);
      return d3_geo_clip(visible, clipLine, interpolate, smallRadius ? [ 0, -radius ] : [ -π, radius - π ]);
      function visible(λ, φ) {
        return Math.cos(λ) * Math.cos(φ) > cr;
      }
      function clipLine(listener) {
        var point0, c0, v0, v00, clean;
        return {
          lineStart: function() {
            v00 = v0 = false;
            clean = 1;
          },
          point: function(λ, φ) {
            var point1 = [ λ, φ ], point2, v = visible(λ, φ), c = smallRadius ? v ? 0 : code(λ, φ) : v ? code(λ + (λ < 0 ? π : -π), φ) : 0;
            if (!point0 && (v00 = v0 = v)) listener.lineStart();
            if (v !== v0) {
              point2 = intersect(point0, point1);
              if (d3_geo_sphericalEqual(point0, point2) || d3_geo_sphericalEqual(point1, point2)) {
                point1[0] += ε;
                point1[1] += ε;
                v = visible(point1[0], point1[1]);
              }
            }
            if (v !== v0) {
              clean = 0;
              if (v) {
                listener.lineStart();
                point2 = intersect(point1, point0);
                listener.point(point2[0], point2[1]);
              } else {
                point2 = intersect(point0, point1);
                listener.point(point2[0], point2[1]);
                listener.lineEnd();
              }
              point0 = point2;
            } else if (notHemisphere && point0 && smallRadius ^ v) {
              var t;
              if (!(c & c0) && (t = intersect(point1, point0, true))) {
                clean = 0;
                if (smallRadius) {
                  listener.lineStart();
                  listener.point(t[0][0], t[0][1]);
                  listener.point(t[1][0], t[1][1]);
                  listener.lineEnd();
                } else {
                  listener.point(t[1][0], t[1][1]);
                  listener.lineEnd();
                  listener.lineStart();
                  listener.point(t[0][0], t[0][1]);
                }
              }
            }
            if (v && (!point0 || !d3_geo_sphericalEqual(point0, point1))) {
              listener.point(point1[0], point1[1]);
            }
            point0 = point1, v0 = v, c0 = c;
          },
          lineEnd: function() {
            if (v0) listener.lineEnd();
            point0 = null;
          },
          clean: function() {
            return clean | (v00 && v0) << 1;
          }
        };
      }
      function intersect(a, b, two) {
        var pa = d3_geo_cartesian(a), pb = d3_geo_cartesian(b);
        var n1 = [ 1, 0, 0 ], n2 = d3_geo_cartesianCross(pa, pb), n2n2 = d3_geo_cartesianDot(n2, n2), n1n2 = n2[0], determinant = n2n2 - n1n2 * n1n2;
        if (!determinant) return !two && a;
        var c1 = cr * n2n2 / determinant, c2 = -cr * n1n2 / determinant, n1xn2 = d3_geo_cartesianCross(n1, n2), A = d3_geo_cartesianScale(n1, c1), B = d3_geo_cartesianScale(n2, c2);
        d3_geo_cartesianAdd(A, B);
        var u = n1xn2, w = d3_geo_cartesianDot(A, u), uu = d3_geo_cartesianDot(u, u), t2 = w * w - uu * (d3_geo_cartesianDot(A, A) - 1);
        if (t2 < 0) return;
        var t = Math.sqrt(t2), q = d3_geo_cartesianScale(u, (-w - t) / uu);
        d3_geo_cartesianAdd(q, A);
        q = d3_geo_spherical(q);
        if (!two) return q;
        var λ0 = a[0], λ1 = b[0], φ0 = a[1], φ1 = b[1], z;
        if (λ1 < λ0) z = λ0, λ0 = λ1, λ1 = z;
        var δλ = λ1 - λ0, polar = abs(δλ - π) < ε, meridian = polar || δλ < ε;
        if (!polar && φ1 < φ0) z = φ0, φ0 = φ1, φ1 = z;
        if (meridian ? polar ? φ0 + φ1 > 0 ^ q[1] < (abs(q[0] - λ0) < ε ? φ0 : φ1) : φ0 <= q[1] && q[1] <= φ1 : δλ > π ^ (λ0 <= q[0] && q[0] <= λ1)) {
          var q1 = d3_geo_cartesianScale(u, (-w + t) / uu);
          d3_geo_cartesianAdd(q1, A);
          return [ q, d3_geo_spherical(q1) ];
        }
      }
      function code(λ, φ) {
        var r = smallRadius ? radius : π - radius, code = 0;
        if (λ < -r) code |= 1; else if (λ > r) code |= 2;
        if (φ < -r) code |= 4; else if (φ > r) code |= 8;
        return code;
      }
    }
    function d3_geom_clipLine(x0, y0, x1, y1) {
      return function(line) {
        var a = line.a, b = line.b, ax = a.x, ay = a.y, bx = b.x, by = b.y, t0 = 0, t1 = 1, dx = bx - ax, dy = by - ay, r;
        r = x0 - ax;
        if (!dx && r > 0) return;
        r /= dx;
        if (dx < 0) {
          if (r < t0) return;
          if (r < t1) t1 = r;
        } else if (dx > 0) {
          if (r > t1) return;
          if (r > t0) t0 = r;
        }
        r = x1 - ax;
        if (!dx && r < 0) return;
        r /= dx;
        if (dx < 0) {
          if (r > t1) return;
          if (r > t0) t0 = r;
        } else if (dx > 0) {
          if (r < t0) return;
          if (r < t1) t1 = r;
        }
        r = y0 - ay;
        if (!dy && r > 0) return;
        r /= dy;
        if (dy < 0) {
          if (r < t0) return;
          if (r < t1) t1 = r;
        } else if (dy > 0) {
          if (r > t1) return;
          if (r > t0) t0 = r;
        }
        r = y1 - ay;
        if (!dy && r < 0) return;
        r /= dy;
        if (dy < 0) {
          if (r > t1) return;
          if (r > t0) t0 = r;
        } else if (dy > 0) {
          if (r < t0) return;
          if (r < t1) t1 = r;
        }
        if (t0 > 0) line.a = {
          x: ax + t0 * dx,
          y: ay + t0 * dy
        };
        if (t1 < 1) line.b = {
          x: ax + t1 * dx,
          y: ay + t1 * dy
        };
        return line;
      };
    }
    var d3_geo_clipExtentMAX = 1e9;
    d3.geo.clipExtent = function() {
      var x0, y0, x1, y1, stream, clip, clipExtent = {
        stream: function(output) {
          if (stream) stream.valid = false;
          stream = clip(output);
          stream.valid = true;
          return stream;
        },
        extent: function(_) {
          if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
          clip = d3_geo_clipExtent(x0 = +_[0][0], y0 = +_[0][1], x1 = +_[1][0], y1 = +_[1][1]);
          if (stream) stream.valid = false, stream = null;
          return clipExtent;
        }
      };
      return clipExtent.extent([ [ 0, 0 ], [ 960, 500 ] ]);
    };
    function d3_geo_clipExtent(x0, y0, x1, y1) {
      return function(listener) {
        var listener_ = listener, bufferListener = d3_geo_clipBufferListener(), clipLine = d3_geom_clipLine(x0, y0, x1, y1), segments, polygon, ring;
        var clip = {
          point: point,
          lineStart: lineStart,
          lineEnd: lineEnd,
          polygonStart: function() {
            listener = bufferListener;
            segments = [];
            polygon = [];
            clean = true;
          },
          polygonEnd: function() {
            listener = listener_;
            segments = d3.merge(segments);
            var clipStartInside = insidePolygon([ x0, y1 ]), inside = clean && clipStartInside, visible = segments.length;
            if (inside || visible) {
              listener.polygonStart();
              if (inside) {
                listener.lineStart();
                interpolate(null, null, 1, listener);
                listener.lineEnd();
              }
              if (visible) {
                d3_geo_clipPolygon(segments, compare, clipStartInside, interpolate, listener);
              }
              listener.polygonEnd();
            }
            segments = polygon = ring = null;
          }
        };
        function insidePolygon(p) {
          var wn = 0, n = polygon.length, y = p[1];
          for (var i = 0; i < n; ++i) {
            for (var j = 1, v = polygon[i], m = v.length, a = v[0], b; j < m; ++j) {
              b = v[j];
              if (a[1] <= y) {
                if (b[1] > y && d3_cross2d(a, b, p) > 0) ++wn;
              } else {
                if (b[1] <= y && d3_cross2d(a, b, p) < 0) --wn;
              }
              a = b;
            }
          }
          return wn !== 0;
        }
        function interpolate(from, to, direction, listener) {
          var a = 0, a1 = 0;
          if (from == null || (a = corner(from, direction)) !== (a1 = corner(to, direction)) || comparePoints(from, to) < 0 ^ direction > 0) {
            do {
              listener.point(a === 0 || a === 3 ? x0 : x1, a > 1 ? y1 : y0);
            } while ((a = (a + direction + 4) % 4) !== a1);
          } else {
            listener.point(to[0], to[1]);
          }
        }
        function pointVisible(x, y) {
          return x0 <= x && x <= x1 && y0 <= y && y <= y1;
        }
        function point(x, y) {
          if (pointVisible(x, y)) listener.point(x, y);
        }
        var x__, y__, v__, x_, y_, v_, first, clean;
        function lineStart() {
          clip.point = linePoint;
          if (polygon) polygon.push(ring = []);
          first = true;
          v_ = false;
          x_ = y_ = NaN;
        }
        function lineEnd() {
          if (segments) {
            linePoint(x__, y__);
            if (v__ && v_) bufferListener.rejoin();
            segments.push(bufferListener.buffer());
          }
          clip.point = point;
          if (v_) listener.lineEnd();
        }
        function linePoint(x, y) {
          x = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, x));
          y = Math.max(-d3_geo_clipExtentMAX, Math.min(d3_geo_clipExtentMAX, y));
          var v = pointVisible(x, y);
          if (polygon) ring.push([ x, y ]);
          if (first) {
            x__ = x, y__ = y, v__ = v;
            first = false;
            if (v) {
              listener.lineStart();
              listener.point(x, y);
            }
          } else {
            if (v && v_) listener.point(x, y); else {
              var l = {
                a: {
                  x: x_,
                  y: y_
                },
                b: {
                  x: x,
                  y: y
                }
              };
              if (clipLine(l)) {
                if (!v_) {
                  listener.lineStart();
                  listener.point(l.a.x, l.a.y);
                }
                listener.point(l.b.x, l.b.y);
                if (!v) listener.lineEnd();
                clean = false;
              } else if (v) {
                listener.lineStart();
                listener.point(x, y);
                clean = false;
              }
            }
          }
          x_ = x, y_ = y, v_ = v;
        }
        return clip;
      };
      function corner(p, direction) {
        return abs(p[0] - x0) < ε ? direction > 0 ? 0 : 3 : abs(p[0] - x1) < ε ? direction > 0 ? 2 : 1 : abs(p[1] - y0) < ε ? direction > 0 ? 1 : 0 : direction > 0 ? 3 : 2;
      }
      function compare(a, b) {
        return comparePoints(a.x, b.x);
      }
      function comparePoints(a, b) {
        var ca = corner(a, 1), cb = corner(b, 1);
        return ca !== cb ? ca - cb : ca === 0 ? b[1] - a[1] : ca === 1 ? a[0] - b[0] : ca === 2 ? a[1] - b[1] : b[0] - a[0];
      }
    }
    function d3_geo_conic(projectAt) {
      var φ0 = 0, φ1 = π / 3, m = d3_geo_projectionMutator(projectAt), p = m(φ0, φ1);
      p.parallels = function(_) {
        if (!arguments.length) return [ φ0 / π * 180, φ1 / π * 180 ];
        return m(φ0 = _[0] * π / 180, φ1 = _[1] * π / 180);
      };
      return p;
    }
    function d3_geo_conicEqualArea(φ0, φ1) {
      var sinφ0 = Math.sin(φ0), n = (sinφ0 + Math.sin(φ1)) / 2, C = 1 + sinφ0 * (2 * n - sinφ0), ρ0 = Math.sqrt(C) / n;
      function forward(λ, φ) {
        var ρ = Math.sqrt(C - 2 * n * Math.sin(φ)) / n;
        return [ ρ * Math.sin(λ *= n), ρ0 - ρ * Math.cos(λ) ];
      }
      forward.invert = function(x, y) {
        var ρ0_y = ρ0 - y;
        return [ Math.atan2(x, ρ0_y) / n, d3_asin((C - (x * x + ρ0_y * ρ0_y) * n * n) / (2 * n)) ];
      };
      return forward;
    }
    (d3.geo.conicEqualArea = function() {
      return d3_geo_conic(d3_geo_conicEqualArea);
    }).raw = d3_geo_conicEqualArea;
    d3.geo.albers = function() {
      return d3.geo.conicEqualArea().rotate([ 96, 0 ]).center([ -.6, 38.7 ]).parallels([ 29.5, 45.5 ]).scale(1070);
    };
    d3.geo.albersUsa = function() {
      var lower48 = d3.geo.albers();
      var alaska = d3.geo.conicEqualArea().rotate([ 154, 0 ]).center([ -2, 58.5 ]).parallels([ 55, 65 ]);
      var hawaii = d3.geo.conicEqualArea().rotate([ 157, 0 ]).center([ -3, 19.9 ]).parallels([ 8, 18 ]);
      var point, pointStream = {
        point: function(x, y) {
          point = [ x, y ];
        }
      }, lower48Point, alaskaPoint, hawaiiPoint;
      function albersUsa(coordinates) {
        var x = coordinates[0], y = coordinates[1];
        point = null;
        (lower48Point(x, y), point) || (alaskaPoint(x, y), point) || hawaiiPoint(x, y);
        return point;
      }
      albersUsa.invert = function(coordinates) {
        var k = lower48.scale(), t = lower48.translate(), x = (coordinates[0] - t[0]) / k, y = (coordinates[1] - t[1]) / k;
        return (y >= .12 && y < .234 && x >= -.425 && x < -.214 ? alaska : y >= .166 && y < .234 && x >= -.214 && x < -.115 ? hawaii : lower48).invert(coordinates);
      };
      albersUsa.stream = function(stream) {
        var lower48Stream = lower48.stream(stream), alaskaStream = alaska.stream(stream), hawaiiStream = hawaii.stream(stream);
        return {
          point: function(x, y) {
            lower48Stream.point(x, y);
            alaskaStream.point(x, y);
            hawaiiStream.point(x, y);
          },
          sphere: function() {
            lower48Stream.sphere();
            alaskaStream.sphere();
            hawaiiStream.sphere();
          },
          lineStart: function() {
            lower48Stream.lineStart();
            alaskaStream.lineStart();
            hawaiiStream.lineStart();
          },
          lineEnd: function() {
            lower48Stream.lineEnd();
            alaskaStream.lineEnd();
            hawaiiStream.lineEnd();
          },
          polygonStart: function() {
            lower48Stream.polygonStart();
            alaskaStream.polygonStart();
            hawaiiStream.polygonStart();
          },
          polygonEnd: function() {
            lower48Stream.polygonEnd();
            alaskaStream.polygonEnd();
            hawaiiStream.polygonEnd();
          }
        };
      };
      albersUsa.precision = function(_) {
        if (!arguments.length) return lower48.precision();
        lower48.precision(_);
        alaska.precision(_);
        hawaii.precision(_);
        return albersUsa;
      };
      albersUsa.scale = function(_) {
        if (!arguments.length) return lower48.scale();
        lower48.scale(_);
        alaska.scale(_ * .35);
        hawaii.scale(_);
        return albersUsa.translate(lower48.translate());
      };
      albersUsa.translate = function(_) {
        if (!arguments.length) return lower48.translate();
        var k = lower48.scale(), x = +_[0], y = +_[1];
        lower48Point = lower48.translate(_).clipExtent([ [ x - .455 * k, y - .238 * k ], [ x + .455 * k, y + .238 * k ] ]).stream(pointStream).point;
        alaskaPoint = alaska.translate([ x - .307 * k, y + .201 * k ]).clipExtent([ [ x - .425 * k + ε, y + .12 * k + ε ], [ x - .214 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
        hawaiiPoint = hawaii.translate([ x - .205 * k, y + .212 * k ]).clipExtent([ [ x - .214 * k + ε, y + .166 * k + ε ], [ x - .115 * k - ε, y + .234 * k - ε ] ]).stream(pointStream).point;
        return albersUsa;
      };
      return albersUsa.scale(1070);
    };
    var d3_geo_pathAreaSum, d3_geo_pathAreaPolygon, d3_geo_pathArea = {
      point: d3_noop,
      lineStart: d3_noop,
      lineEnd: d3_noop,
      polygonStart: function() {
        d3_geo_pathAreaPolygon = 0;
        d3_geo_pathArea.lineStart = d3_geo_pathAreaRingStart;
      },
      polygonEnd: function() {
        d3_geo_pathArea.lineStart = d3_geo_pathArea.lineEnd = d3_geo_pathArea.point = d3_noop;
        d3_geo_pathAreaSum += abs(d3_geo_pathAreaPolygon / 2);
      }
    };
    function d3_geo_pathAreaRingStart() {
      var x00, y00, x0, y0;
      d3_geo_pathArea.point = function(x, y) {
        d3_geo_pathArea.point = nextPoint;
        x00 = x0 = x, y00 = y0 = y;
      };
      function nextPoint(x, y) {
        d3_geo_pathAreaPolygon += y0 * x - x0 * y;
        x0 = x, y0 = y;
      }
      d3_geo_pathArea.lineEnd = function() {
        nextPoint(x00, y00);
      };
    }
    var d3_geo_pathBoundsX0, d3_geo_pathBoundsY0, d3_geo_pathBoundsX1, d3_geo_pathBoundsY1;
    var d3_geo_pathBounds = {
      point: d3_geo_pathBoundsPoint,
      lineStart: d3_noop,
      lineEnd: d3_noop,
      polygonStart: d3_noop,
      polygonEnd: d3_noop
    };
    function d3_geo_pathBoundsPoint(x, y) {
      if (x < d3_geo_pathBoundsX0) d3_geo_pathBoundsX0 = x;
      if (x > d3_geo_pathBoundsX1) d3_geo_pathBoundsX1 = x;
      if (y < d3_geo_pathBoundsY0) d3_geo_pathBoundsY0 = y;
      if (y > d3_geo_pathBoundsY1) d3_geo_pathBoundsY1 = y;
    }
    function d3_geo_pathBuffer() {
      var pointCircle = d3_geo_pathBufferCircle(4.5), buffer = [];
      var stream = {
        point: point,
        lineStart: function() {
          stream.point = pointLineStart;
        },
        lineEnd: lineEnd,
        polygonStart: function() {
          stream.lineEnd = lineEndPolygon;
        },
        polygonEnd: function() {
          stream.lineEnd = lineEnd;
          stream.point = point;
        },
        pointRadius: function(_) {
          pointCircle = d3_geo_pathBufferCircle(_);
          return stream;
        },
        result: function() {
          if (buffer.length) {
            var result = buffer.join("");
            buffer = [];
            return result;
          }
        }
      };
      function point(x, y) {
        buffer.push("M", x, ",", y, pointCircle);
      }
      function pointLineStart(x, y) {
        buffer.push("M", x, ",", y);
        stream.point = pointLine;
      }
      function pointLine(x, y) {
        buffer.push("L", x, ",", y);
      }
      function lineEnd() {
        stream.point = point;
      }
      function lineEndPolygon() {
        buffer.push("Z");
      }
      return stream;
    }
    function d3_geo_pathBufferCircle(radius) {
      return "m0," + radius + "a" + radius + "," + radius + " 0 1,1 0," + -2 * radius + "a" + radius + "," + radius + " 0 1,1 0," + 2 * radius + "z";
    }
    var d3_geo_pathCentroid = {
      point: d3_geo_pathCentroidPoint,
      lineStart: d3_geo_pathCentroidLineStart,
      lineEnd: d3_geo_pathCentroidLineEnd,
      polygonStart: function() {
        d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidRingStart;
      },
      polygonEnd: function() {
        d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
        d3_geo_pathCentroid.lineStart = d3_geo_pathCentroidLineStart;
        d3_geo_pathCentroid.lineEnd = d3_geo_pathCentroidLineEnd;
      }
    };
    function d3_geo_pathCentroidPoint(x, y) {
      d3_geo_centroidX0 += x;
      d3_geo_centroidY0 += y;
      ++d3_geo_centroidZ0;
    }
    function d3_geo_pathCentroidLineStart() {
      var x0, y0;
      d3_geo_pathCentroid.point = function(x, y) {
        d3_geo_pathCentroid.point = nextPoint;
        d3_geo_pathCentroidPoint(x0 = x, y0 = y);
      };
      function nextPoint(x, y) {
        var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
        d3_geo_centroidX1 += z * (x0 + x) / 2;
        d3_geo_centroidY1 += z * (y0 + y) / 2;
        d3_geo_centroidZ1 += z;
        d3_geo_pathCentroidPoint(x0 = x, y0 = y);
      }
    }
    function d3_geo_pathCentroidLineEnd() {
      d3_geo_pathCentroid.point = d3_geo_pathCentroidPoint;
    }
    function d3_geo_pathCentroidRingStart() {
      var x00, y00, x0, y0;
      d3_geo_pathCentroid.point = function(x, y) {
        d3_geo_pathCentroid.point = nextPoint;
        d3_geo_pathCentroidPoint(x00 = x0 = x, y00 = y0 = y);
      };
      function nextPoint(x, y) {
        var dx = x - x0, dy = y - y0, z = Math.sqrt(dx * dx + dy * dy);
        d3_geo_centroidX1 += z * (x0 + x) / 2;
        d3_geo_centroidY1 += z * (y0 + y) / 2;
        d3_geo_centroidZ1 += z;
        z = y0 * x - x0 * y;
        d3_geo_centroidX2 += z * (x0 + x);
        d3_geo_centroidY2 += z * (y0 + y);
        d3_geo_centroidZ2 += z * 3;
        d3_geo_pathCentroidPoint(x0 = x, y0 = y);
      }
      d3_geo_pathCentroid.lineEnd = function() {
        nextPoint(x00, y00);
      };
    }
    function d3_geo_pathContext(context) {
      var pointRadius = 4.5;
      var stream = {
        point: point,
        lineStart: function() {
          stream.point = pointLineStart;
        },
        lineEnd: lineEnd,
        polygonStart: function() {
          stream.lineEnd = lineEndPolygon;
        },
        polygonEnd: function() {
          stream.lineEnd = lineEnd;
          stream.point = point;
        },
        pointRadius: function(_) {
          pointRadius = _;
          return stream;
        },
        result: d3_noop
      };
      function point(x, y) {
        context.moveTo(x + pointRadius, y);
        context.arc(x, y, pointRadius, 0, τ);
      }
      function pointLineStart(x, y) {
        context.moveTo(x, y);
        stream.point = pointLine;
      }
      function pointLine(x, y) {
        context.lineTo(x, y);
      }
      function lineEnd() {
        stream.point = point;
      }
      function lineEndPolygon() {
        context.closePath();
      }
      return stream;
    }
    function d3_geo_resample(project) {
      var δ2 = .5, cosMinDistance = Math.cos(30 * d3_radians), maxDepth = 16;
      function resample(stream) {
        return (maxDepth ? resampleRecursive : resampleNone)(stream);
      }
      function resampleNone(stream) {
        return d3_geo_transformPoint(stream, function(x, y) {
          x = project(x, y);
          stream.point(x[0], x[1]);
        });
      }
      function resampleRecursive(stream) {
        var λ00, φ00, x00, y00, a00, b00, c00, λ0, x0, y0, a0, b0, c0;
        var resample = {
          point: point,
          lineStart: lineStart,
          lineEnd: lineEnd,
          polygonStart: function() {
            stream.polygonStart();
            resample.lineStart = ringStart;
          },
          polygonEnd: function() {
            stream.polygonEnd();
            resample.lineStart = lineStart;
          }
        };
        function point(x, y) {
          x = project(x, y);
          stream.point(x[0], x[1]);
        }
        function lineStart() {
          x0 = NaN;
          resample.point = linePoint;
          stream.lineStart();
        }
        function linePoint(λ, φ) {
          var c = d3_geo_cartesian([ λ, φ ]), p = project(λ, φ);
          resampleLineTo(x0, y0, λ0, a0, b0, c0, x0 = p[0], y0 = p[1], λ0 = λ, a0 = c[0], b0 = c[1], c0 = c[2], maxDepth, stream);
          stream.point(x0, y0);
        }
        function lineEnd() {
          resample.point = point;
          stream.lineEnd();
        }
        function ringStart() {
          lineStart();
          resample.point = ringPoint;
          resample.lineEnd = ringEnd;
        }
        function ringPoint(λ, φ) {
          linePoint(λ00 = λ, φ00 = φ), x00 = x0, y00 = y0, a00 = a0, b00 = b0, c00 = c0;
          resample.point = linePoint;
        }
        function ringEnd() {
          resampleLineTo(x0, y0, λ0, a0, b0, c0, x00, y00, λ00, a00, b00, c00, maxDepth, stream);
          resample.lineEnd = lineEnd;
          lineEnd();
        }
        return resample;
      }
      function resampleLineTo(x0, y0, λ0, a0, b0, c0, x1, y1, λ1, a1, b1, c1, depth, stream) {
        var dx = x1 - x0, dy = y1 - y0, d2 = dx * dx + dy * dy;
        if (d2 > 4 * δ2 && depth--) {
          var a = a0 + a1, b = b0 + b1, c = c0 + c1, m = Math.sqrt(a * a + b * b + c * c), φ2 = Math.asin(c /= m), λ2 = abs(abs(c) - 1) < ε || abs(λ0 - λ1) < ε ? (λ0 + λ1) / 2 : Math.atan2(b, a), p = project(λ2, φ2), x2 = p[0], y2 = p[1], dx2 = x2 - x0, dy2 = y2 - y0, dz = dy * dx2 - dx * dy2;
          if (dz * dz / d2 > δ2 || abs((dx * dx2 + dy * dy2) / d2 - .5) > .3 || a0 * a1 + b0 * b1 + c0 * c1 < cosMinDistance) {
            resampleLineTo(x0, y0, λ0, a0, b0, c0, x2, y2, λ2, a /= m, b /= m, c, depth, stream);
            stream.point(x2, y2);
            resampleLineTo(x2, y2, λ2, a, b, c, x1, y1, λ1, a1, b1, c1, depth, stream);
          }
        }
      }
      resample.precision = function(_) {
        if (!arguments.length) return Math.sqrt(δ2);
        maxDepth = (δ2 = _ * _) > 0 && 16;
        return resample;
      };
      return resample;
    }
    d3.geo.path = function() {
      var pointRadius = 4.5, projection, context, projectStream, contextStream, cacheStream;
      function path(object) {
        if (object) {
          if (typeof pointRadius === "function") contextStream.pointRadius(+pointRadius.apply(this, arguments));
          if (!cacheStream || !cacheStream.valid) cacheStream = projectStream(contextStream);
          d3.geo.stream(object, cacheStream);
        }
        return contextStream.result();
      }
      path.area = function(object) {
        d3_geo_pathAreaSum = 0;
        d3.geo.stream(object, projectStream(d3_geo_pathArea));
        return d3_geo_pathAreaSum;
      };
      path.centroid = function(object) {
        d3_geo_centroidX0 = d3_geo_centroidY0 = d3_geo_centroidZ0 = d3_geo_centroidX1 = d3_geo_centroidY1 = d3_geo_centroidZ1 = d3_geo_centroidX2 = d3_geo_centroidY2 = d3_geo_centroidZ2 = 0;
        d3.geo.stream(object, projectStream(d3_geo_pathCentroid));
        return d3_geo_centroidZ2 ? [ d3_geo_centroidX2 / d3_geo_centroidZ2, d3_geo_centroidY2 / d3_geo_centroidZ2 ] : d3_geo_centroidZ1 ? [ d3_geo_centroidX1 / d3_geo_centroidZ1, d3_geo_centroidY1 / d3_geo_centroidZ1 ] : d3_geo_centroidZ0 ? [ d3_geo_centroidX0 / d3_geo_centroidZ0, d3_geo_centroidY0 / d3_geo_centroidZ0 ] : [ NaN, NaN ];
      };
      path.bounds = function(object) {
        d3_geo_pathBoundsX1 = d3_geo_pathBoundsY1 = -(d3_geo_pathBoundsX0 = d3_geo_pathBoundsY0 = Infinity);
        d3.geo.stream(object, projectStream(d3_geo_pathBounds));
        return [ [ d3_geo_pathBoundsX0, d3_geo_pathBoundsY0 ], [ d3_geo_pathBoundsX1, d3_geo_pathBoundsY1 ] ];
      };
      path.projection = function(_) {
        if (!arguments.length) return projection;
        projectStream = (projection = _) ? _.stream || d3_geo_pathProjectStream(_) : d3_identity;
        return reset();
      };
      path.context = function(_) {
        if (!arguments.length) return context;
        contextStream = (context = _) == null ? new d3_geo_pathBuffer() : new d3_geo_pathContext(_);
        if (typeof pointRadius !== "function") contextStream.pointRadius(pointRadius);
        return reset();
      };
      path.pointRadius = function(_) {
        if (!arguments.length) return pointRadius;
        pointRadius = typeof _ === "function" ? _ : (contextStream.pointRadius(+_), +_);
        return path;
      };
      function reset() {
        cacheStream = null;
        return path;
      }
      return path.projection(d3.geo.albersUsa()).context(null);
    };
    function d3_geo_pathProjectStream(project) {
      var resample = d3_geo_resample(function(x, y) {
        return project([ x * d3_degrees, y * d3_degrees ]);
      });
      return function(stream) {
        return d3_geo_projectionRadians(resample(stream));
      };
    }
    d3.geo.transform = function(methods) {
      return {
        stream: function(stream) {
          var transform = new d3_geo_transform(stream);
          for (var k in methods) transform[k] = methods[k];
          return transform;
        }
      };
    };
    function d3_geo_transform(stream) {
      this.stream = stream;
    }
    d3_geo_transform.prototype = {
      point: function(x, y) {
        this.stream.point(x, y);
      },
      sphere: function() {
        this.stream.sphere();
      },
      lineStart: function() {
        this.stream.lineStart();
      },
      lineEnd: function() {
        this.stream.lineEnd();
      },
      polygonStart: function() {
        this.stream.polygonStart();
      },
      polygonEnd: function() {
        this.stream.polygonEnd();
      }
    };
    function d3_geo_transformPoint(stream, point) {
      return {
        point: point,
        sphere: function() {
          stream.sphere();
        },
        lineStart: function() {
          stream.lineStart();
        },
        lineEnd: function() {
          stream.lineEnd();
        },
        polygonStart: function() {
          stream.polygonStart();
        },
        polygonEnd: function() {
          stream.polygonEnd();
        }
      };
    }
    d3.geo.projection = d3_geo_projection;
    d3.geo.projectionMutator = d3_geo_projectionMutator;
    function d3_geo_projection(project) {
      return d3_geo_projectionMutator(function() {
        return project;
      })();
    }
    function d3_geo_projectionMutator(projectAt) {
      var project, rotate, projectRotate, projectResample = d3_geo_resample(function(x, y) {
        x = project(x, y);
        return [ x[0] * k + δx, δy - x[1] * k ];
      }), k = 150, x = 480, y = 250, λ = 0, φ = 0, δλ = 0, δφ = 0, δγ = 0, δx, δy, preclip = d3_geo_clipAntimeridian, postclip = d3_identity, clipAngle = null, clipExtent = null, stream;
      function projection(point) {
        point = projectRotate(point[0] * d3_radians, point[1] * d3_radians);
        return [ point[0] * k + δx, δy - point[1] * k ];
      }
      function invert(point) {
        point = projectRotate.invert((point[0] - δx) / k, (δy - point[1]) / k);
        return point && [ point[0] * d3_degrees, point[1] * d3_degrees ];
      }
      projection.stream = function(output) {
        if (stream) stream.valid = false;
        stream = d3_geo_projectionRadians(preclip(rotate, projectResample(postclip(output))));
        stream.valid = true;
        return stream;
      };
      projection.clipAngle = function(_) {
        if (!arguments.length) return clipAngle;
        preclip = _ == null ? (clipAngle = _, d3_geo_clipAntimeridian) : d3_geo_clipCircle((clipAngle = +_) * d3_radians);
        return invalidate();
      };
      projection.clipExtent = function(_) {
        if (!arguments.length) return clipExtent;
        clipExtent = _;
        postclip = _ ? d3_geo_clipExtent(_[0][0], _[0][1], _[1][0], _[1][1]) : d3_identity;
        return invalidate();
      };
      projection.scale = function(_) {
        if (!arguments.length) return k;
        k = +_;
        return reset();
      };
      projection.translate = function(_) {
        if (!arguments.length) return [ x, y ];
        x = +_[0];
        y = +_[1];
        return reset();
      };
      projection.center = function(_) {
        if (!arguments.length) return [ λ * d3_degrees, φ * d3_degrees ];
        λ = _[0] % 360 * d3_radians;
        φ = _[1] % 360 * d3_radians;
        return reset();
      };
      projection.rotate = function(_) {
        if (!arguments.length) return [ δλ * d3_degrees, δφ * d3_degrees, δγ * d3_degrees ];
        δλ = _[0] % 360 * d3_radians;
        δφ = _[1] % 360 * d3_radians;
        δγ = _.length > 2 ? _[2] % 360 * d3_radians : 0;
        return reset();
      };
      d3.rebind(projection, projectResample, "precision");
      function reset() {
        projectRotate = d3_geo_compose(rotate = d3_geo_rotation(δλ, δφ, δγ), project);
        var center = project(λ, φ);
        δx = x - center[0] * k;
        δy = y + center[1] * k;
        return invalidate();
      }
      function invalidate() {
        if (stream) stream.valid = false, stream = null;
        return projection;
      }
      return function() {
        project = projectAt.apply(this, arguments);
        projection.invert = project.invert && invert;
        return reset();
      };
    }
    function d3_geo_projectionRadians(stream) {
      return d3_geo_transformPoint(stream, function(x, y) {
        stream.point(x * d3_radians, y * d3_radians);
      });
    }
    function d3_geo_equirectangular(λ, φ) {
      return [ λ, φ ];
    }
    (d3.geo.equirectangular = function() {
      return d3_geo_projection(d3_geo_equirectangular);
    }).raw = d3_geo_equirectangular.invert = d3_geo_equirectangular;
    d3.geo.rotation = function(rotate) {
      rotate = d3_geo_rotation(rotate[0] % 360 * d3_radians, rotate[1] * d3_radians, rotate.length > 2 ? rotate[2] * d3_radians : 0);
      function forward(coordinates) {
        coordinates = rotate(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
        return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
      }
      forward.invert = function(coordinates) {
        coordinates = rotate.invert(coordinates[0] * d3_radians, coordinates[1] * d3_radians);
        return coordinates[0] *= d3_degrees, coordinates[1] *= d3_degrees, coordinates;
      };
      return forward;
    };
    function d3_geo_identityRotation(λ, φ) {
      return [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
    }
    d3_geo_identityRotation.invert = d3_geo_equirectangular;
    function d3_geo_rotation(δλ, δφ, δγ) {
      return δλ ? δφ || δγ ? d3_geo_compose(d3_geo_rotationλ(δλ), d3_geo_rotationφγ(δφ, δγ)) : d3_geo_rotationλ(δλ) : δφ || δγ ? d3_geo_rotationφγ(δφ, δγ) : d3_geo_identityRotation;
    }
    function d3_geo_forwardRotationλ(δλ) {
      return function(λ, φ) {
        return λ += δλ, [ λ > π ? λ - τ : λ < -π ? λ + τ : λ, φ ];
      };
    }
    function d3_geo_rotationλ(δλ) {
      var rotation = d3_geo_forwardRotationλ(δλ);
      rotation.invert = d3_geo_forwardRotationλ(-δλ);
      return rotation;
    }
    function d3_geo_rotationφγ(δφ, δγ) {
      var cosδφ = Math.cos(δφ), sinδφ = Math.sin(δφ), cosδγ = Math.cos(δγ), sinδγ = Math.sin(δγ);
      function rotation(λ, φ) {
        var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδφ + x * sinδφ;
        return [ Math.atan2(y * cosδγ - k * sinδγ, x * cosδφ - z * sinδφ), d3_asin(k * cosδγ + y * sinδγ) ];
      }
      rotation.invert = function(λ, φ) {
        var cosφ = Math.cos(φ), x = Math.cos(λ) * cosφ, y = Math.sin(λ) * cosφ, z = Math.sin(φ), k = z * cosδγ - y * sinδγ;
        return [ Math.atan2(y * cosδγ + z * sinδγ, x * cosδφ + k * sinδφ), d3_asin(k * cosδφ - x * sinδφ) ];
      };
      return rotation;
    }
    d3.geo.circle = function() {
      var origin = [ 0, 0 ], angle, precision = 6, interpolate;
      function circle() {
        var center = typeof origin === "function" ? origin.apply(this, arguments) : origin, rotate = d3_geo_rotation(-center[0] * d3_radians, -center[1] * d3_radians, 0).invert, ring = [];
        interpolate(null, null, 1, {
          point: function(x, y) {
            ring.push(x = rotate(x, y));
            x[0] *= d3_degrees, x[1] *= d3_degrees;
          }
        });
        return {
          type: "Polygon",
          coordinates: [ ring ]
        };
      }
      circle.origin = function(x) {
        if (!arguments.length) return origin;
        origin = x;
        return circle;
      };
      circle.angle = function(x) {
        if (!arguments.length) return angle;
        interpolate = d3_geo_circleInterpolate((angle = +x) * d3_radians, precision * d3_radians);
        return circle;
      };
      circle.precision = function(_) {
        if (!arguments.length) return precision;
        interpolate = d3_geo_circleInterpolate(angle * d3_radians, (precision = +_) * d3_radians);
        return circle;
      };
      return circle.angle(90);
    };
    function d3_geo_circleInterpolate(radius, precision) {
      var cr = Math.cos(radius), sr = Math.sin(radius);
      return function(from, to, direction, listener) {
        var step = direction * precision;
        if (from != null) {
          from = d3_geo_circleAngle(cr, from);
          to = d3_geo_circleAngle(cr, to);
          if (direction > 0 ? from < to : from > to) from += direction * τ;
        } else {
          from = radius + direction * τ;
          to = radius - .5 * step;
        }
        for (var point, t = from; direction > 0 ? t > to : t < to; t -= step) {
          listener.point((point = d3_geo_spherical([ cr, -sr * Math.cos(t), -sr * Math.sin(t) ]))[0], point[1]);
        }
      };
    }
    function d3_geo_circleAngle(cr, point) {
      var a = d3_geo_cartesian(point);
      a[0] -= cr;
      d3_geo_cartesianNormalize(a);
      var angle = d3_acos(-a[1]);
      return ((-a[2] < 0 ? -angle : angle) + 2 * Math.PI - ε) % (2 * Math.PI);
    }
    d3.geo.distance = function(a, b) {
      var Δλ = (b[0] - a[0]) * d3_radians, φ0 = a[1] * d3_radians, φ1 = b[1] * d3_radians, sinΔλ = Math.sin(Δλ), cosΔλ = Math.cos(Δλ), sinφ0 = Math.sin(φ0), cosφ0 = Math.cos(φ0), sinφ1 = Math.sin(φ1), cosφ1 = Math.cos(φ1), t;
      return Math.atan2(Math.sqrt((t = cosφ1 * sinΔλ) * t + (t = cosφ0 * sinφ1 - sinφ0 * cosφ1 * cosΔλ) * t), sinφ0 * sinφ1 + cosφ0 * cosφ1 * cosΔλ);
    };
    d3.geo.graticule = function() {
      var x1, x0, X1, X0, y1, y0, Y1, Y0, dx = 10, dy = dx, DX = 90, DY = 360, x, y, X, Y, precision = 2.5;
      function graticule() {
        return {
          type: "MultiLineString",
          coordinates: lines()
        };
      }
      function lines() {
        return d3.range(Math.ceil(X0 / DX) * DX, X1, DX).map(X).concat(d3.range(Math.ceil(Y0 / DY) * DY, Y1, DY).map(Y)).concat(d3.range(Math.ceil(x0 / dx) * dx, x1, dx).filter(function(x) {
          return abs(x % DX) > ε;
        }).map(x)).concat(d3.range(Math.ceil(y0 / dy) * dy, y1, dy).filter(function(y) {
          return abs(y % DY) > ε;
        }).map(y));
      }
      graticule.lines = function() {
        return lines().map(function(coordinates) {
          return {
            type: "LineString",
            coordinates: coordinates
          };
        });
      };
      graticule.outline = function() {
        return {
          type: "Polygon",
          coordinates: [ X(X0).concat(Y(Y1).slice(1), X(X1).reverse().slice(1), Y(Y0).reverse().slice(1)) ]
        };
      };
      graticule.extent = function(_) {
        if (!arguments.length) return graticule.minorExtent();
        return graticule.majorExtent(_).minorExtent(_);
      };
      graticule.majorExtent = function(_) {
        if (!arguments.length) return [ [ X0, Y0 ], [ X1, Y1 ] ];
        X0 = +_[0][0], X1 = +_[1][0];
        Y0 = +_[0][1], Y1 = +_[1][1];
        if (X0 > X1) _ = X0, X0 = X1, X1 = _;
        if (Y0 > Y1) _ = Y0, Y0 = Y1, Y1 = _;
        return graticule.precision(precision);
      };
      graticule.minorExtent = function(_) {
        if (!arguments.length) return [ [ x0, y0 ], [ x1, y1 ] ];
        x0 = +_[0][0], x1 = +_[1][0];
        y0 = +_[0][1], y1 = +_[1][1];
        if (x0 > x1) _ = x0, x0 = x1, x1 = _;
        if (y0 > y1) _ = y0, y0 = y1, y1 = _;
        return graticule.precision(precision);
      };
      graticule.step = function(_) {
        if (!arguments.length) return graticule.minorStep();
        return graticule.majorStep(_).minorStep(_);
      };
      graticule.majorStep = function(_) {
        if (!arguments.length) return [ DX, DY ];
        DX = +_[0], DY = +_[1];
        return graticule;
      };
      graticule.minorStep = function(_) {
        if (!arguments.length) return [ dx, dy ];
        dx = +_[0], dy = +_[1];
        return graticule;
      };
      graticule.precision = function(_) {
        if (!arguments.length) return precision;
        precision = +_;
        x = d3_geo_graticuleX(y0, y1, 90);
        y = d3_geo_graticuleY(x0, x1, precision);
        X = d3_geo_graticuleX(Y0, Y1, 90);
        Y = d3_geo_graticuleY(X0, X1, precision);
        return graticule;
      };
      return graticule.majorExtent([ [ -180, -90 + ε ], [ 180, 90 - ε ] ]).minorExtent([ [ -180, -80 - ε ], [ 180, 80 + ε ] ]);
    };
    function d3_geo_graticuleX(y0, y1, dy) {
      var y = d3.range(y0, y1 - ε, dy).concat(y1);
      return function(x) {
        return y.map(function(y) {
          return [ x, y ];
        });
      };
    }
    function d3_geo_graticuleY(x0, x1, dx) {
      var x = d3.range(x0, x1 - ε, dx).concat(x1);
      return function(y) {
        return x.map(function(x) {
          return [ x, y ];
        });
      };
    }
    function d3_source(d) {
      return d.source;
    }
    function d3_target(d) {
      return d.target;
    }
    d3.geo.greatArc = function() {
      var source = d3_source, source_, target = d3_target, target_;
      function greatArc() {
        return {
          type: "LineString",
          coordinates: [ source_ || source.apply(this, arguments), target_ || target.apply(this, arguments) ]
        };
      }
      greatArc.distance = function() {
        return d3.geo.distance(source_ || source.apply(this, arguments), target_ || target.apply(this, arguments));
      };
      greatArc.source = function(_) {
        if (!arguments.length) return source;
        source = _, source_ = typeof _ === "function" ? null : _;
        return greatArc;
      };
      greatArc.target = function(_) {
        if (!arguments.length) return target;
        target = _, target_ = typeof _ === "function" ? null : _;
        return greatArc;
      };
      greatArc.precision = function() {
        return arguments.length ? greatArc : 0;
      };
      return greatArc;
    };
    d3.geo.interpolate = function(source, target) {
      return d3_geo_interpolate(source[0] * d3_radians, source[1] * d3_radians, target[0] * d3_radians, target[1] * d3_radians);
    };
    function d3_geo_interpolate(x0, y0, x1, y1) {
      var cy0 = Math.cos(y0), sy0 = Math.sin(y0), cy1 = Math.cos(y1), sy1 = Math.sin(y1), kx0 = cy0 * Math.cos(x0), ky0 = cy0 * Math.sin(x0), kx1 = cy1 * Math.cos(x1), ky1 = cy1 * Math.sin(x1), d = 2 * Math.asin(Math.sqrt(d3_haversin(y1 - y0) + cy0 * cy1 * d3_haversin(x1 - x0))), k = 1 / Math.sin(d);
      var interpolate = d ? function(t) {
        var B = Math.sin(t *= d) * k, A = Math.sin(d - t) * k, x = A * kx0 + B * kx1, y = A * ky0 + B * ky1, z = A * sy0 + B * sy1;
        return [ Math.atan2(y, x) * d3_degrees, Math.atan2(z, Math.sqrt(x * x + y * y)) * d3_degrees ];
      } : function() {
        return [ x0 * d3_degrees, y0 * d3_degrees ];
      };
      interpolate.distance = d;
      return interpolate;
    }
    d3.geo.length = function(object) {
      d3_geo_lengthSum = 0;
      d3.geo.stream(object, d3_geo_length);
      return d3_geo_lengthSum;
    };
    var d3_geo_lengthSum;
    var d3_geo_length = {
      sphere: d3_noop,
      point: d3_noop,
      lineStart: d3_geo_lengthLineStart,
      lineEnd: d3_noop,
      polygonStart: d3_noop,
      polygonEnd: d3_noop
    };
    function d3_geo_lengthLineStart() {
      var λ0, sinφ0, cosφ0;
      d3_geo_length.point = function(λ, φ) {
        λ0 = λ * d3_radians, sinφ0 = Math.sin(φ *= d3_radians), cosφ0 = Math.cos(φ);
        d3_geo_length.point = nextPoint;
      };
      d3_geo_length.lineEnd = function() {
        d3_geo_length.point = d3_geo_length.lineEnd = d3_noop;
      };
      function nextPoint(λ, φ) {
        var sinφ = Math.sin(φ *= d3_radians), cosφ = Math.cos(φ), t = abs((λ *= d3_radians) - λ0), cosΔλ = Math.cos(t);
        d3_geo_lengthSum += Math.atan2(Math.sqrt((t = cosφ * Math.sin(t)) * t + (t = cosφ0 * sinφ - sinφ0 * cosφ * cosΔλ) * t), sinφ0 * sinφ + cosφ0 * cosφ * cosΔλ);
        λ0 = λ, sinφ0 = sinφ, cosφ0 = cosφ;
      }
    }
    function d3_geo_azimuthal(scale, angle) {
      function azimuthal(λ, φ) {
        var cosλ = Math.cos(λ), cosφ = Math.cos(φ), k = scale(cosλ * cosφ);
        return [ k * cosφ * Math.sin(λ), k * Math.sin(φ) ];
      }
      azimuthal.invert = function(x, y) {
        var ρ = Math.sqrt(x * x + y * y), c = angle(ρ), sinc = Math.sin(c), cosc = Math.cos(c);
        return [ Math.atan2(x * sinc, ρ * cosc), Math.asin(ρ && y * sinc / ρ) ];
      };
      return azimuthal;
    }
    var d3_geo_azimuthalEqualArea = d3_geo_azimuthal(function(cosλcosφ) {
      return Math.sqrt(2 / (1 + cosλcosφ));
    }, function(ρ) {
      return 2 * Math.asin(ρ / 2);
    });
    (d3.geo.azimuthalEqualArea = function() {
      return d3_geo_projection(d3_geo_azimuthalEqualArea);
    }).raw = d3_geo_azimuthalEqualArea;
    var d3_geo_azimuthalEquidistant = d3_geo_azimuthal(function(cosλcosφ) {
      var c = Math.acos(cosλcosφ);
      return c && c / Math.sin(c);
    }, d3_identity);
    (d3.geo.azimuthalEquidistant = function() {
      return d3_geo_projection(d3_geo_azimuthalEquidistant);
    }).raw = d3_geo_azimuthalEquidistant;
    function d3_geo_conicConformal(φ0, φ1) {
      var cosφ0 = Math.cos(φ0), t = function(φ) {
        return Math.tan(π / 4 + φ / 2);
      }, n = φ0 === φ1 ? Math.sin(φ0) : Math.log(cosφ0 / Math.cos(φ1)) / Math.log(t(φ1) / t(φ0)), F = cosφ0 * Math.pow(t(φ0), n) / n;
      if (!n) return d3_geo_mercator;
      function forward(λ, φ) {
        if (F > 0) {
          if (φ < -halfπ + ε) φ = -halfπ + ε;
        } else {
          if (φ > halfπ - ε) φ = halfπ - ε;
        }
        var ρ = F / Math.pow(t(φ), n);
        return [ ρ * Math.sin(n * λ), F - ρ * Math.cos(n * λ) ];
      }
      forward.invert = function(x, y) {
        var ρ0_y = F - y, ρ = d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y);
        return [ Math.atan2(x, ρ0_y) / n, 2 * Math.atan(Math.pow(F / ρ, 1 / n)) - halfπ ];
      };
      return forward;
    }
    (d3.geo.conicConformal = function() {
      return d3_geo_conic(d3_geo_conicConformal);
    }).raw = d3_geo_conicConformal;
    function d3_geo_conicEquidistant(φ0, φ1) {
      var cosφ0 = Math.cos(φ0), n = φ0 === φ1 ? Math.sin(φ0) : (cosφ0 - Math.cos(φ1)) / (φ1 - φ0), G = cosφ0 / n + φ0;
      if (abs(n) < ε) return d3_geo_equirectangular;
      function forward(λ, φ) {
        var ρ = G - φ;
        return [ ρ * Math.sin(n * λ), G - ρ * Math.cos(n * λ) ];
      }
      forward.invert = function(x, y) {
        var ρ0_y = G - y;
        return [ Math.atan2(x, ρ0_y) / n, G - d3_sgn(n) * Math.sqrt(x * x + ρ0_y * ρ0_y) ];
      };
      return forward;
    }
    (d3.geo.conicEquidistant = function() {
      return d3_geo_conic(d3_geo_conicEquidistant);
    }).raw = d3_geo_conicEquidistant;
    var d3_geo_gnomonic = d3_geo_azimuthal(function(cosλcosφ) {
      return 1 / cosλcosφ;
    }, Math.atan);
    (d3.geo.gnomonic = function() {
      return d3_geo_projection(d3_geo_gnomonic);
    }).raw = d3_geo_gnomonic;
    function d3_geo_mercator(λ, φ) {
      return [ λ, Math.log(Math.tan(π / 4 + φ / 2)) ];
    }
    d3_geo_mercator.invert = function(x, y) {
      return [ x, 2 * Math.atan(Math.exp(y)) - halfπ ];
    };
    function d3_geo_mercatorProjection(project) {
      var m = d3_geo_projection(project), scale = m.scale, translate = m.translate, clipExtent = m.clipExtent, clipAuto;
      m.scale = function() {
        var v = scale.apply(m, arguments);
        return v === m ? clipAuto ? m.clipExtent(null) : m : v;
      };
      m.translate = function() {
        var v = translate.apply(m, arguments);
        return v === m ? clipAuto ? m.clipExtent(null) : m : v;
      };
      m.clipExtent = function(_) {
        var v = clipExtent.apply(m, arguments);
        if (v === m) {
          if (clipAuto = _ == null) {
            var k = π * scale(), t = translate();
            clipExtent([ [ t[0] - k, t[1] - k ], [ t[0] + k, t[1] + k ] ]);
          }
        } else if (clipAuto) {
          v = null;
        }
        return v;
      };
      return m.clipExtent(null);
    }
    (d3.geo.mercator = function() {
      return d3_geo_mercatorProjection(d3_geo_mercator);
    }).raw = d3_geo_mercator;
    var d3_geo_orthographic = d3_geo_azimuthal(function() {
      return 1;
    }, Math.asin);
    (d3.geo.orthographic = function() {
      return d3_geo_projection(d3_geo_orthographic);
    }).raw = d3_geo_orthographic;
    var d3_geo_stereographic = d3_geo_azimuthal(function(cosλcosφ) {
      return 1 / (1 + cosλcosφ);
    }, function(ρ) {
      return 2 * Math.atan(ρ);
    });
    (d3.geo.stereographic = function() {
      return d3_geo_projection(d3_geo_stereographic);
    }).raw = d3_geo_stereographic;
    function d3_geo_transverseMercator(λ, φ) {
      return [ Math.log(Math.tan(π / 4 + φ / 2)), -λ ];
    }
    d3_geo_transverseMercator.invert = function(x, y) {
      return [ -y, 2 * Math.atan(Math.exp(x)) - halfπ ];
    };
    (d3.geo.transverseMercator = function() {
      var projection = d3_geo_mercatorProjection(d3_geo_transverseMercator), center = projection.center, rotate = projection.rotate;
      projection.center = function(_) {
        return _ ? center([ -_[1], _[0] ]) : (_ = center(), [ _[1], -_[0] ]);
      };
      projection.rotate = function(_) {
        return _ ? rotate([ _[0], _[1], _.length > 2 ? _[2] + 90 : 90 ]) : (_ = rotate(), 
        [ _[0], _[1], _[2] - 90 ]);
      };
      return rotate([ 0, 0, 90 ]);
    }).raw = d3_geo_transverseMercator;
    d3.geom = {};
    function d3_geom_pointX(d) {
      return d[0];
    }
    function d3_geom_pointY(d) {
      return d[1];
    }
    d3.geom.hull = function(vertices) {
      var x = d3_geom_pointX, y = d3_geom_pointY;
      if (arguments.length) return hull(vertices);
      function hull(data) {
        if (data.length < 3) return [];
        var fx = d3_functor(x), fy = d3_functor(y), i, n = data.length, points = [], flippedPoints = [];
        for (i = 0; i < n; i++) {
          points.push([ +fx.call(this, data[i], i), +fy.call(this, data[i], i), i ]);
        }
        points.sort(d3_geom_hullOrder);
        for (i = 0; i < n; i++) flippedPoints.push([ points[i][0], -points[i][1] ]);
        var upper = d3_geom_hullUpper(points), lower = d3_geom_hullUpper(flippedPoints);
        var skipLeft = lower[0] === upper[0], skipRight = lower[lower.length - 1] === upper[upper.length - 1], polygon = [];
        for (i = upper.length - 1; i >= 0; --i) polygon.push(data[points[upper[i]][2]]);
        for (i = +skipLeft; i < lower.length - skipRight; ++i) polygon.push(data[points[lower[i]][2]]);
        return polygon;
      }
      hull.x = function(_) {
        return arguments.length ? (x = _, hull) : x;
      };
      hull.y = function(_) {
        return arguments.length ? (y = _, hull) : y;
      };
      return hull;
    };
    function d3_geom_hullUpper(points) {
      var n = points.length, hull = [ 0, 1 ], hs = 2;
      for (var i = 2; i < n; i++) {
        while (hs > 1 && d3_cross2d(points[hull[hs - 2]], points[hull[hs - 1]], points[i]) <= 0) --hs;
        hull[hs++] = i;
      }
      return hull.slice(0, hs);
    }
    function d3_geom_hullOrder(a, b) {
      return a[0] - b[0] || a[1] - b[1];
    }
    d3.geom.polygon = function(coordinates) {
      d3_subclass(coordinates, d3_geom_polygonPrototype);
      return coordinates;
    };
    var d3_geom_polygonPrototype = d3.geom.polygon.prototype = [];
    d3_geom_polygonPrototype.area = function() {
      var i = -1, n = this.length, a, b = this[n - 1], area = 0;
      while (++i < n) {
        a = b;
        b = this[i];
        area += a[1] * b[0] - a[0] * b[1];
      }
      return area * .5;
    };
    d3_geom_polygonPrototype.centroid = function(k) {
      var i = -1, n = this.length, x = 0, y = 0, a, b = this[n - 1], c;
      if (!arguments.length) k = -1 / (6 * this.area());
      while (++i < n) {
        a = b;
        b = this[i];
        c = a[0] * b[1] - b[0] * a[1];
        x += (a[0] + b[0]) * c;
        y += (a[1] + b[1]) * c;
      }
      return [ x * k, y * k ];
    };
    d3_geom_polygonPrototype.clip = function(subject) {
      var input, closed = d3_geom_polygonClosed(subject), i = -1, n = this.length - d3_geom_polygonClosed(this), j, m, a = this[n - 1], b, c, d;
      while (++i < n) {
        input = subject.slice();
        subject.length = 0;
        b = this[i];
        c = input[(m = input.length - closed) - 1];
        j = -1;
        while (++j < m) {
          d = input[j];
          if (d3_geom_polygonInside(d, a, b)) {
            if (!d3_geom_polygonInside(c, a, b)) {
              subject.push(d3_geom_polygonIntersect(c, d, a, b));
            }
            subject.push(d);
          } else if (d3_geom_polygonInside(c, a, b)) {
            subject.push(d3_geom_polygonIntersect(c, d, a, b));
          }
          c = d;
        }
        if (closed) subject.push(subject[0]);
        a = b;
      }
      return subject;
    };
    function d3_geom_polygonInside(p, a, b) {
      return (b[0] - a[0]) * (p[1] - a[1]) < (b[1] - a[1]) * (p[0] - a[0]);
    }
    function d3_geom_polygonIntersect(c, d, a, b) {
      var x1 = c[0], x3 = a[0], x21 = d[0] - x1, x43 = b[0] - x3, y1 = c[1], y3 = a[1], y21 = d[1] - y1, y43 = b[1] - y3, ua = (x43 * (y1 - y3) - y43 * (x1 - x3)) / (y43 * x21 - x43 * y21);
      return [ x1 + ua * x21, y1 + ua * y21 ];
    }
    function d3_geom_polygonClosed(coordinates) {
      var a = coordinates[0], b = coordinates[coordinates.length - 1];
      return !(a[0] - b[0] || a[1] - b[1]);
    }
    var d3_geom_voronoiEdges, d3_geom_voronoiCells, d3_geom_voronoiBeaches, d3_geom_voronoiBeachPool = [], d3_geom_voronoiFirstCircle, d3_geom_voronoiCircles, d3_geom_voronoiCirclePool = [];
    function d3_geom_voronoiBeach() {
      d3_geom_voronoiRedBlackNode(this);
      this.edge = this.site = this.circle = null;
    }
    function d3_geom_voronoiCreateBeach(site) {
      var beach = d3_geom_voronoiBeachPool.pop() || new d3_geom_voronoiBeach();
      beach.site = site;
      return beach;
    }
    function d3_geom_voronoiDetachBeach(beach) {
      d3_geom_voronoiDetachCircle(beach);
      d3_geom_voronoiBeaches.remove(beach);
      d3_geom_voronoiBeachPool.push(beach);
      d3_geom_voronoiRedBlackNode(beach);
    }
    function d3_geom_voronoiRemoveBeach(beach) {
      var circle = beach.circle, x = circle.x, y = circle.cy, vertex = {
        x: x,
        y: y
      }, previous = beach.P, next = beach.N, disappearing = [ beach ];
      d3_geom_voronoiDetachBeach(beach);
      var lArc = previous;
      while (lArc.circle && abs(x - lArc.circle.x) < ε && abs(y - lArc.circle.cy) < ε) {
        previous = lArc.P;
        disappearing.unshift(lArc);
        d3_geom_voronoiDetachBeach(lArc);
        lArc = previous;
      }
      disappearing.unshift(lArc);
      d3_geom_voronoiDetachCircle(lArc);
      var rArc = next;
      while (rArc.circle && abs(x - rArc.circle.x) < ε && abs(y - rArc.circle.cy) < ε) {
        next = rArc.N;
        disappearing.push(rArc);
        d3_geom_voronoiDetachBeach(rArc);
        rArc = next;
      }
      disappearing.push(rArc);
      d3_geom_voronoiDetachCircle(rArc);
      var nArcs = disappearing.length, iArc;
      for (iArc = 1; iArc < nArcs; ++iArc) {
        rArc = disappearing[iArc];
        lArc = disappearing[iArc - 1];
        d3_geom_voronoiSetEdgeEnd(rArc.edge, lArc.site, rArc.site, vertex);
      }
      lArc = disappearing[0];
      rArc = disappearing[nArcs - 1];
      rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, rArc.site, null, vertex);
      d3_geom_voronoiAttachCircle(lArc);
      d3_geom_voronoiAttachCircle(rArc);
    }
    function d3_geom_voronoiAddBeach(site) {
      var x = site.x, directrix = site.y, lArc, rArc, dxl, dxr, node = d3_geom_voronoiBeaches._;
      while (node) {
        dxl = d3_geom_voronoiLeftBreakPoint(node, directrix) - x;
        if (dxl > ε) node = node.L; else {
          dxr = x - d3_geom_voronoiRightBreakPoint(node, directrix);
          if (dxr > ε) {
            if (!node.R) {
              lArc = node;
              break;
            }
            node = node.R;
          } else {
            if (dxl > -ε) {
              lArc = node.P;
              rArc = node;
            } else if (dxr > -ε) {
              lArc = node;
              rArc = node.N;
            } else {
              lArc = rArc = node;
            }
            break;
          }
        }
      }
      var newArc = d3_geom_voronoiCreateBeach(site);
      d3_geom_voronoiBeaches.insert(lArc, newArc);
      if (!lArc && !rArc) return;
      if (lArc === rArc) {
        d3_geom_voronoiDetachCircle(lArc);
        rArc = d3_geom_voronoiCreateBeach(lArc.site);
        d3_geom_voronoiBeaches.insert(newArc, rArc);
        newArc.edge = rArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
        d3_geom_voronoiAttachCircle(lArc);
        d3_geom_voronoiAttachCircle(rArc);
        return;
      }
      if (!rArc) {
        newArc.edge = d3_geom_voronoiCreateEdge(lArc.site, newArc.site);
        return;
      }
      d3_geom_voronoiDetachCircle(lArc);
      d3_geom_voronoiDetachCircle(rArc);
      var lSite = lArc.site, ax = lSite.x, ay = lSite.y, bx = site.x - ax, by = site.y - ay, rSite = rArc.site, cx = rSite.x - ax, cy = rSite.y - ay, d = 2 * (bx * cy - by * cx), hb = bx * bx + by * by, hc = cx * cx + cy * cy, vertex = {
        x: (cy * hb - by * hc) / d + ax,
        y: (bx * hc - cx * hb) / d + ay
      };
      d3_geom_voronoiSetEdgeEnd(rArc.edge, lSite, rSite, vertex);
      newArc.edge = d3_geom_voronoiCreateEdge(lSite, site, null, vertex);
      rArc.edge = d3_geom_voronoiCreateEdge(site, rSite, null, vertex);
      d3_geom_voronoiAttachCircle(lArc);
      d3_geom_voronoiAttachCircle(rArc);
    }
    function d3_geom_voronoiLeftBreakPoint(arc, directrix) {
      var site = arc.site, rfocx = site.x, rfocy = site.y, pby2 = rfocy - directrix;
      if (!pby2) return rfocx;
      var lArc = arc.P;
      if (!lArc) return -Infinity;
      site = lArc.site;
      var lfocx = site.x, lfocy = site.y, plby2 = lfocy - directrix;
      if (!plby2) return lfocx;
      var hl = lfocx - rfocx, aby2 = 1 / pby2 - 1 / plby2, b = hl / plby2;
      if (aby2) return (-b + Math.sqrt(b * b - 2 * aby2 * (hl * hl / (-2 * plby2) - lfocy + plby2 / 2 + rfocy - pby2 / 2))) / aby2 + rfocx;
      return (rfocx + lfocx) / 2;
    }
    function d3_geom_voronoiRightBreakPoint(arc, directrix) {
      var rArc = arc.N;
      if (rArc) return d3_geom_voronoiLeftBreakPoint(rArc, directrix);
      var site = arc.site;
      return site.y === directrix ? site.x : Infinity;
    }
    function d3_geom_voronoiCell(site) {
      this.site = site;
      this.edges = [];
    }
    d3_geom_voronoiCell.prototype.prepare = function() {
      var halfEdges = this.edges, iHalfEdge = halfEdges.length, edge;
      while (iHalfEdge--) {
        edge = halfEdges[iHalfEdge].edge;
        if (!edge.b || !edge.a) halfEdges.splice(iHalfEdge, 1);
      }
      halfEdges.sort(d3_geom_voronoiHalfEdgeOrder);
      return halfEdges.length;
    };
    function d3_geom_voronoiCloseCells(extent) {
      var x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], x2, y2, x3, y3, cells = d3_geom_voronoiCells, iCell = cells.length, cell, iHalfEdge, halfEdges, nHalfEdges, start, end;
      while (iCell--) {
        cell = cells[iCell];
        if (!cell || !cell.prepare()) continue;
        halfEdges = cell.edges;
        nHalfEdges = halfEdges.length;
        iHalfEdge = 0;
        while (iHalfEdge < nHalfEdges) {
          end = halfEdges[iHalfEdge].end(), x3 = end.x, y3 = end.y;
          start = halfEdges[++iHalfEdge % nHalfEdges].start(), x2 = start.x, y2 = start.y;
          if (abs(x3 - x2) > ε || abs(y3 - y2) > ε) {
            halfEdges.splice(iHalfEdge, 0, new d3_geom_voronoiHalfEdge(d3_geom_voronoiCreateBorderEdge(cell.site, end, abs(x3 - x0) < ε && y1 - y3 > ε ? {
              x: x0,
              y: abs(x2 - x0) < ε ? y2 : y1
            } : abs(y3 - y1) < ε && x1 - x3 > ε ? {
              x: abs(y2 - y1) < ε ? x2 : x1,
              y: y1
            } : abs(x3 - x1) < ε && y3 - y0 > ε ? {
              x: x1,
              y: abs(x2 - x1) < ε ? y2 : y0
            } : abs(y3 - y0) < ε && x3 - x0 > ε ? {
              x: abs(y2 - y0) < ε ? x2 : x0,
              y: y0
            } : null), cell.site, null));
            ++nHalfEdges;
          }
        }
      }
    }
    function d3_geom_voronoiHalfEdgeOrder(a, b) {
      return b.angle - a.angle;
    }
    function d3_geom_voronoiCircle() {
      d3_geom_voronoiRedBlackNode(this);
      this.x = this.y = this.arc = this.site = this.cy = null;
    }
    function d3_geom_voronoiAttachCircle(arc) {
      var lArc = arc.P, rArc = arc.N;
      if (!lArc || !rArc) return;
      var lSite = lArc.site, cSite = arc.site, rSite = rArc.site;
      if (lSite === rSite) return;
      var bx = cSite.x, by = cSite.y, ax = lSite.x - bx, ay = lSite.y - by, cx = rSite.x - bx, cy = rSite.y - by;
      var d = 2 * (ax * cy - ay * cx);
      if (d >= -ε2) return;
      var ha = ax * ax + ay * ay, hc = cx * cx + cy * cy, x = (cy * ha - ay * hc) / d, y = (ax * hc - cx * ha) / d, cy = y + by;
      var circle = d3_geom_voronoiCirclePool.pop() || new d3_geom_voronoiCircle();
      circle.arc = arc;
      circle.site = cSite;
      circle.x = x + bx;
      circle.y = cy + Math.sqrt(x * x + y * y);
      circle.cy = cy;
      arc.circle = circle;
      var before = null, node = d3_geom_voronoiCircles._;
      while (node) {
        if (circle.y < node.y || circle.y === node.y && circle.x <= node.x) {
          if (node.L) node = node.L; else {
            before = node.P;
            break;
          }
        } else {
          if (node.R) node = node.R; else {
            before = node;
            break;
          }
        }
      }
      d3_geom_voronoiCircles.insert(before, circle);
      if (!before) d3_geom_voronoiFirstCircle = circle;
    }
    function d3_geom_voronoiDetachCircle(arc) {
      var circle = arc.circle;
      if (circle) {
        if (!circle.P) d3_geom_voronoiFirstCircle = circle.N;
        d3_geom_voronoiCircles.remove(circle);
        d3_geom_voronoiCirclePool.push(circle);
        d3_geom_voronoiRedBlackNode(circle);
        arc.circle = null;
      }
    }
    function d3_geom_voronoiClipEdges(extent) {
      var edges = d3_geom_voronoiEdges, clip = d3_geom_clipLine(extent[0][0], extent[0][1], extent[1][0], extent[1][1]), i = edges.length, e;
      while (i--) {
        e = edges[i];
        if (!d3_geom_voronoiConnectEdge(e, extent) || !clip(e) || abs(e.a.x - e.b.x) < ε && abs(e.a.y - e.b.y) < ε) {
          e.a = e.b = null;
          edges.splice(i, 1);
        }
      }
    }
    function d3_geom_voronoiConnectEdge(edge, extent) {
      var vb = edge.b;
      if (vb) return true;
      var va = edge.a, x0 = extent[0][0], x1 = extent[1][0], y0 = extent[0][1], y1 = extent[1][1], lSite = edge.l, rSite = edge.r, lx = lSite.x, ly = lSite.y, rx = rSite.x, ry = rSite.y, fx = (lx + rx) / 2, fy = (ly + ry) / 2, fm, fb;
      if (ry === ly) {
        if (fx < x0 || fx >= x1) return;
        if (lx > rx) {
          if (!va) va = {
            x: fx,
            y: y0
          }; else if (va.y >= y1) return;
          vb = {
            x: fx,
            y: y1
          };
        } else {
          if (!va) va = {
            x: fx,
            y: y1
          }; else if (va.y < y0) return;
          vb = {
            x: fx,
            y: y0
          };
        }
      } else {
        fm = (lx - rx) / (ry - ly);
        fb = fy - fm * fx;
        if (fm < -1 || fm > 1) {
          if (lx > rx) {
            if (!va) va = {
              x: (y0 - fb) / fm,
              y: y0
            }; else if (va.y >= y1) return;
            vb = {
              x: (y1 - fb) / fm,
              y: y1
            };
          } else {
            if (!va) va = {
              x: (y1 - fb) / fm,
              y: y1
            }; else if (va.y < y0) return;
            vb = {
              x: (y0 - fb) / fm,
              y: y0
            };
          }
        } else {
          if (ly < ry) {
            if (!va) va = {
              x: x0,
              y: fm * x0 + fb
            }; else if (va.x >= x1) return;
            vb = {
              x: x1,
              y: fm * x1 + fb
            };
          } else {
            if (!va) va = {
              x: x1,
              y: fm * x1 + fb
            }; else if (va.x < x0) return;
            vb = {
              x: x0,
              y: fm * x0 + fb
            };
          }
        }
      }
      edge.a = va;
      edge.b = vb;
      return true;
    }
    function d3_geom_voronoiEdge(lSite, rSite) {
      this.l = lSite;
      this.r = rSite;
      this.a = this.b = null;
    }
    function d3_geom_voronoiCreateEdge(lSite, rSite, va, vb) {
      var edge = new d3_geom_voronoiEdge(lSite, rSite);
      d3_geom_voronoiEdges.push(edge);
      if (va) d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, va);
      if (vb) d3_geom_voronoiSetEdgeEnd(edge, rSite, lSite, vb);
      d3_geom_voronoiCells[lSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, lSite, rSite));
      d3_geom_voronoiCells[rSite.i].edges.push(new d3_geom_voronoiHalfEdge(edge, rSite, lSite));
      return edge;
    }
    function d3_geom_voronoiCreateBorderEdge(lSite, va, vb) {
      var edge = new d3_geom_voronoiEdge(lSite, null);
      edge.a = va;
      edge.b = vb;
      d3_geom_voronoiEdges.push(edge);
      return edge;
    }
    function d3_geom_voronoiSetEdgeEnd(edge, lSite, rSite, vertex) {
      if (!edge.a && !edge.b) {
        edge.a = vertex;
        edge.l = lSite;
        edge.r = rSite;
      } else if (edge.l === rSite) {
        edge.b = vertex;
      } else {
        edge.a = vertex;
      }
    }
    function d3_geom_voronoiHalfEdge(edge, lSite, rSite) {
      var va = edge.a, vb = edge.b;
      this.edge = edge;
      this.site = lSite;
      this.angle = rSite ? Math.atan2(rSite.y - lSite.y, rSite.x - lSite.x) : edge.l === lSite ? Math.atan2(vb.x - va.x, va.y - vb.y) : Math.atan2(va.x - vb.x, vb.y - va.y);
    }
    d3_geom_voronoiHalfEdge.prototype = {
      start: function() {
        return this.edge.l === this.site ? this.edge.a : this.edge.b;
      },
      end: function() {
        return this.edge.l === this.site ? this.edge.b : this.edge.a;
      }
    };
    function d3_geom_voronoiRedBlackTree() {
      this._ = null;
    }
    function d3_geom_voronoiRedBlackNode(node) {
      node.U = node.C = node.L = node.R = node.P = node.N = null;
    }
    d3_geom_voronoiRedBlackTree.prototype = {
      insert: function(after, node) {
        var parent, grandpa, uncle;
        if (after) {
          node.P = after;
          node.N = after.N;
          if (after.N) after.N.P = node;
          after.N = node;
          if (after.R) {
            after = after.R;
            while (after.L) after = after.L;
            after.L = node;
          } else {
            after.R = node;
          }
          parent = after;
        } else if (this._) {
          after = d3_geom_voronoiRedBlackFirst(this._);
          node.P = null;
          node.N = after;
          after.P = after.L = node;
          parent = after;
        } else {
          node.P = node.N = null;
          this._ = node;
          parent = null;
        }
        node.L = node.R = null;
        node.U = parent;
        node.C = true;
        after = node;
        while (parent && parent.C) {
          grandpa = parent.U;
          if (parent === grandpa.L) {
            uncle = grandpa.R;
            if (uncle && uncle.C) {
              parent.C = uncle.C = false;
              grandpa.C = true;
              after = grandpa;
            } else {
              if (after === parent.R) {
                d3_geom_voronoiRedBlackRotateLeft(this, parent);
                after = parent;
                parent = after.U;
              }
              parent.C = false;
              grandpa.C = true;
              d3_geom_voronoiRedBlackRotateRight(this, grandpa);
            }
          } else {
            uncle = grandpa.L;
            if (uncle && uncle.C) {
              parent.C = uncle.C = false;
              grandpa.C = true;
              after = grandpa;
            } else {
              if (after === parent.L) {
                d3_geom_voronoiRedBlackRotateRight(this, parent);
                after = parent;
                parent = after.U;
              }
              parent.C = false;
              grandpa.C = true;
              d3_geom_voronoiRedBlackRotateLeft(this, grandpa);
            }
          }
          parent = after.U;
        }
        this._.C = false;
      },
      remove: function(node) {
        if (node.N) node.N.P = node.P;
        if (node.P) node.P.N = node.N;
        node.N = node.P = null;
        var parent = node.U, sibling, left = node.L, right = node.R, next, red;
        if (!left) next = right; else if (!right) next = left; else next = d3_geom_voronoiRedBlackFirst(right);
        if (parent) {
          if (parent.L === node) parent.L = next; else parent.R = next;
        } else {
          this._ = next;
        }
        if (left && right) {
          red = next.C;
          next.C = node.C;
          next.L = left;
          left.U = next;
          if (next !== right) {
            parent = next.U;
            next.U = node.U;
            node = next.R;
            parent.L = node;
            next.R = right;
            right.U = next;
          } else {
            next.U = parent;
            parent = next;
            node = next.R;
          }
        } else {
          red = node.C;
          node = next;
        }
        if (node) node.U = parent;
        if (red) return;
        if (node && node.C) {
          node.C = false;
          return;
        }
        do {
          if (node === this._) break;
          if (node === parent.L) {
            sibling = parent.R;
            if (sibling.C) {
              sibling.C = false;
              parent.C = true;
              d3_geom_voronoiRedBlackRotateLeft(this, parent);
              sibling = parent.R;
            }
            if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
              if (!sibling.R || !sibling.R.C) {
                sibling.L.C = false;
                sibling.C = true;
                d3_geom_voronoiRedBlackRotateRight(this, sibling);
                sibling = parent.R;
              }
              sibling.C = parent.C;
              parent.C = sibling.R.C = false;
              d3_geom_voronoiRedBlackRotateLeft(this, parent);
              node = this._;
              break;
            }
          } else {
            sibling = parent.L;
            if (sibling.C) {
              sibling.C = false;
              parent.C = true;
              d3_geom_voronoiRedBlackRotateRight(this, parent);
              sibling = parent.L;
            }
            if (sibling.L && sibling.L.C || sibling.R && sibling.R.C) {
              if (!sibling.L || !sibling.L.C) {
                sibling.R.C = false;
                sibling.C = true;
                d3_geom_voronoiRedBlackRotateLeft(this, sibling);
                sibling = parent.L;
              }
              sibling.C = parent.C;
              parent.C = sibling.L.C = false;
              d3_geom_voronoiRedBlackRotateRight(this, parent);
              node = this._;
              break;
            }
          }
          sibling.C = true;
          node = parent;
          parent = parent.U;
        } while (!node.C);
        if (node) node.C = false;
      }
    };
    function d3_geom_voronoiRedBlackRotateLeft(tree, node) {
      var p = node, q = node.R, parent = p.U;
      if (parent) {
        if (parent.L === p) parent.L = q; else parent.R = q;
      } else {
        tree._ = q;
      }
      q.U = parent;
      p.U = q;
      p.R = q.L;
      if (p.R) p.R.U = p;
      q.L = p;
    }
    function d3_geom_voronoiRedBlackRotateRight(tree, node) {
      var p = node, q = node.L, parent = p.U;
      if (parent) {
        if (parent.L === p) parent.L = q; else parent.R = q;
      } else {
        tree._ = q;
      }
      q.U = parent;
      p.U = q;
      p.L = q.R;
      if (p.L) p.L.U = p;
      q.R = p;
    }
    function d3_geom_voronoiRedBlackFirst(node) {
      while (node.L) node = node.L;
      return node;
    }
    function d3_geom_voronoi(sites, bbox) {
      var site = sites.sort(d3_geom_voronoiVertexOrder).pop(), x0, y0, circle;
      d3_geom_voronoiEdges = [];
      d3_geom_voronoiCells = new Array(sites.length);
      d3_geom_voronoiBeaches = new d3_geom_voronoiRedBlackTree();
      d3_geom_voronoiCircles = new d3_geom_voronoiRedBlackTree();
      while (true) {
        circle = d3_geom_voronoiFirstCircle;
        if (site && (!circle || site.y < circle.y || site.y === circle.y && site.x < circle.x)) {
          if (site.x !== x0 || site.y !== y0) {
            d3_geom_voronoiCells[site.i] = new d3_geom_voronoiCell(site);
            d3_geom_voronoiAddBeach(site);
            x0 = site.x, y0 = site.y;
          }
          site = sites.pop();
        } else if (circle) {
          d3_geom_voronoiRemoveBeach(circle.arc);
        } else {
          break;
        }
      }
      if (bbox) d3_geom_voronoiClipEdges(bbox), d3_geom_voronoiCloseCells(bbox);
      var diagram = {
        cells: d3_geom_voronoiCells,
        edges: d3_geom_voronoiEdges
      };
      d3_geom_voronoiBeaches = d3_geom_voronoiCircles = d3_geom_voronoiEdges = d3_geom_voronoiCells = null;
      return diagram;
    }
    function d3_geom_voronoiVertexOrder(a, b) {
      return b.y - a.y || b.x - a.x;
    }
    d3.geom.voronoi = function(points) {
      var x = d3_geom_pointX, y = d3_geom_pointY, fx = x, fy = y, clipExtent = d3_geom_voronoiClipExtent;
      if (points) return voronoi(points);
      function voronoi(data) {
        var polygons = new Array(data.length), x0 = clipExtent[0][0], y0 = clipExtent[0][1], x1 = clipExtent[1][0], y1 = clipExtent[1][1];
        d3_geom_voronoi(sites(data), clipExtent).cells.forEach(function(cell, i) {
          var edges = cell.edges, site = cell.site, polygon = polygons[i] = edges.length ? edges.map(function(e) {
            var s = e.start();
            return [ s.x, s.y ];
          }) : site.x >= x0 && site.x <= x1 && site.y >= y0 && site.y <= y1 ? [ [ x0, y1 ], [ x1, y1 ], [ x1, y0 ], [ x0, y0 ] ] : [];
          polygon.point = data[i];
        });
        return polygons;
      }
      function sites(data) {
        return data.map(function(d, i) {
          return {
            x: Math.round(fx(d, i) / ε) * ε,
            y: Math.round(fy(d, i) / ε) * ε,
            i: i
          };
        });
      }
      voronoi.links = function(data) {
        return d3_geom_voronoi(sites(data)).edges.filter(function(edge) {
          return edge.l && edge.r;
        }).map(function(edge) {
          return {
            source: data[edge.l.i],
            target: data[edge.r.i]
          };
        });
      };
      voronoi.triangles = function(data) {
        var triangles = [];
        d3_geom_voronoi(sites(data)).cells.forEach(function(cell, i) {
          var site = cell.site, edges = cell.edges.sort(d3_geom_voronoiHalfEdgeOrder), j = -1, m = edges.length, e0, s0, e1 = edges[m - 1].edge, s1 = e1.l === site ? e1.r : e1.l;
          while (++j < m) {
            e0 = e1;
            s0 = s1;
            e1 = edges[j].edge;
            s1 = e1.l === site ? e1.r : e1.l;
            if (i < s0.i && i < s1.i && d3_geom_voronoiTriangleArea(site, s0, s1) < 0) {
              triangles.push([ data[i], data[s0.i], data[s1.i] ]);
            }
          }
        });
        return triangles;
      };
      voronoi.x = function(_) {
        return arguments.length ? (fx = d3_functor(x = _), voronoi) : x;
      };
      voronoi.y = function(_) {
        return arguments.length ? (fy = d3_functor(y = _), voronoi) : y;
      };
      voronoi.clipExtent = function(_) {
        if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent;
        clipExtent = _ == null ? d3_geom_voronoiClipExtent : _;
        return voronoi;
      };
      voronoi.size = function(_) {
        if (!arguments.length) return clipExtent === d3_geom_voronoiClipExtent ? null : clipExtent && clipExtent[1];
        return voronoi.clipExtent(_ && [ [ 0, 0 ], _ ]);
      };
      return voronoi;
    };
    var d3_geom_voronoiClipExtent = [ [ -1e6, -1e6 ], [ 1e6, 1e6 ] ];
    function d3_geom_voronoiTriangleArea(a, b, c) {
      return (a.x - c.x) * (b.y - a.y) - (a.x - b.x) * (c.y - a.y);
    }
    d3.geom.delaunay = function(vertices) {
      return d3.geom.voronoi().triangles(vertices);
    };
    d3.geom.quadtree = function(points, x1, y1, x2, y2) {
      var x = d3_geom_pointX, y = d3_geom_pointY, compat;
      if (compat = arguments.length) {
        x = d3_geom_quadtreeCompatX;
        y = d3_geom_quadtreeCompatY;
        if (compat === 3) {
          y2 = y1;
          x2 = x1;
          y1 = x1 = 0;
        }
        return quadtree(points);
      }
      function quadtree(data) {
        var d, fx = d3_functor(x), fy = d3_functor(y), xs, ys, i, n, x1_, y1_, x2_, y2_;
        if (x1 != null) {
          x1_ = x1, y1_ = y1, x2_ = x2, y2_ = y2;
        } else {
          x2_ = y2_ = -(x1_ = y1_ = Infinity);
          xs = [], ys = [];
          n = data.length;
          if (compat) for (i = 0; i < n; ++i) {
            d = data[i];
            if (d.x < x1_) x1_ = d.x;
            if (d.y < y1_) y1_ = d.y;
            if (d.x > x2_) x2_ = d.x;
            if (d.y > y2_) y2_ = d.y;
            xs.push(d.x);
            ys.push(d.y);
          } else for (i = 0; i < n; ++i) {
            var x_ = +fx(d = data[i], i), y_ = +fy(d, i);
            if (x_ < x1_) x1_ = x_;
            if (y_ < y1_) y1_ = y_;
            if (x_ > x2_) x2_ = x_;
            if (y_ > y2_) y2_ = y_;
            xs.push(x_);
            ys.push(y_);
          }
        }
        var dx = x2_ - x1_, dy = y2_ - y1_;
        if (dx > dy) y2_ = y1_ + dx; else x2_ = x1_ + dy;
        function insert(n, d, x, y, x1, y1, x2, y2) {
          if (isNaN(x) || isNaN(y)) return;
          if (n.leaf) {
            var nx = n.x, ny = n.y;
            if (nx != null) {
              if (abs(nx - x) + abs(ny - y) < .01) {
                insertChild(n, d, x, y, x1, y1, x2, y2);
              } else {
                var nPoint = n.point;
                n.x = n.y = n.point = null;
                insertChild(n, nPoint, nx, ny, x1, y1, x2, y2);
                insertChild(n, d, x, y, x1, y1, x2, y2);
              }
            } else {
              n.x = x, n.y = y, n.point = d;
            }
          } else {
            insertChild(n, d, x, y, x1, y1, x2, y2);
          }
        }
        function insertChild(n, d, x, y, x1, y1, x2, y2) {
          var xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym, i = below << 1 | right;
          n.leaf = false;
          n = n.nodes[i] || (n.nodes[i] = d3_geom_quadtreeNode());
          if (right) x1 = xm; else x2 = xm;
          if (below) y1 = ym; else y2 = ym;
          insert(n, d, x, y, x1, y1, x2, y2);
        }
        var root = d3_geom_quadtreeNode();
        root.add = function(d) {
          insert(root, d, +fx(d, ++i), +fy(d, i), x1_, y1_, x2_, y2_);
        };
        root.visit = function(f) {
          d3_geom_quadtreeVisit(f, root, x1_, y1_, x2_, y2_);
        };
        root.find = function(point) {
          return d3_geom_quadtreeFind(root, point[0], point[1], x1_, y1_, x2_, y2_);
        };
        i = -1;
        if (x1 == null) {
          while (++i < n) {
            insert(root, data[i], xs[i], ys[i], x1_, y1_, x2_, y2_);
          }
          --i;
        } else data.forEach(root.add);
        xs = ys = data = d = null;
        return root;
      }
      quadtree.x = function(_) {
        return arguments.length ? (x = _, quadtree) : x;
      };
      quadtree.y = function(_) {
        return arguments.length ? (y = _, quadtree) : y;
      };
      quadtree.extent = function(_) {
        if (!arguments.length) return x1 == null ? null : [ [ x1, y1 ], [ x2, y2 ] ];
        if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = +_[0][0], y1 = +_[0][1], x2 = +_[1][0], 
        y2 = +_[1][1];
        return quadtree;
      };
      quadtree.size = function(_) {
        if (!arguments.length) return x1 == null ? null : [ x2 - x1, y2 - y1 ];
        if (_ == null) x1 = y1 = x2 = y2 = null; else x1 = y1 = 0, x2 = +_[0], y2 = +_[1];
        return quadtree;
      };
      return quadtree;
    };
    function d3_geom_quadtreeCompatX(d) {
      return d.x;
    }
    function d3_geom_quadtreeCompatY(d) {
      return d.y;
    }
    function d3_geom_quadtreeNode() {
      return {
        leaf: true,
        nodes: [],
        point: null,
        x: null,
        y: null
      };
    }
    function d3_geom_quadtreeVisit(f, node, x1, y1, x2, y2) {
      if (!f(node, x1, y1, x2, y2)) {
        var sx = (x1 + x2) * .5, sy = (y1 + y2) * .5, children = node.nodes;
        if (children[0]) d3_geom_quadtreeVisit(f, children[0], x1, y1, sx, sy);
        if (children[1]) d3_geom_quadtreeVisit(f, children[1], sx, y1, x2, sy);
        if (children[2]) d3_geom_quadtreeVisit(f, children[2], x1, sy, sx, y2);
        if (children[3]) d3_geom_quadtreeVisit(f, children[3], sx, sy, x2, y2);
      }
    }
    function d3_geom_quadtreeFind(root, x, y, x0, y0, x3, y3) {
      var minDistance2 = Infinity, closestPoint;
      (function find(node, x1, y1, x2, y2) {
        if (x1 > x3 || y1 > y3 || x2 < x0 || y2 < y0) return;
        if (point = node.point) {
          var point, dx = x - node.x, dy = y - node.y, distance2 = dx * dx + dy * dy;
          if (distance2 < minDistance2) {
            var distance = Math.sqrt(minDistance2 = distance2);
            x0 = x - distance, y0 = y - distance;
            x3 = x + distance, y3 = y + distance;
            closestPoint = point;
          }
        }
        var children = node.nodes, xm = (x1 + x2) * .5, ym = (y1 + y2) * .5, right = x >= xm, below = y >= ym;
        for (var i = below << 1 | right, j = i + 4; i < j; ++i) {
          if (node = children[i & 3]) switch (i & 3) {
           case 0:
            find(node, x1, y1, xm, ym);
            break;
  
           case 1:
            find(node, xm, y1, x2, ym);
            break;
  
           case 2:
            find(node, x1, ym, xm, y2);
            break;
  
           case 3:
            find(node, xm, ym, x2, y2);
            break;
          }
        }
      })(root, x0, y0, x3, y3);
      return closestPoint;
    }
    d3.interpolateRgb = d3_interpolateRgb;
    function d3_interpolateRgb(a, b) {
      a = d3.rgb(a);
      b = d3.rgb(b);
      var ar = a.r, ag = a.g, ab = a.b, br = b.r - ar, bg = b.g - ag, bb = b.b - ab;
      return function(t) {
        return "#" + d3_rgb_hex(Math.round(ar + br * t)) + d3_rgb_hex(Math.round(ag + bg * t)) + d3_rgb_hex(Math.round(ab + bb * t));
      };
    }
    d3.interpolateObject = d3_interpolateObject;
    function d3_interpolateObject(a, b) {
      var i = {}, c = {}, k;
      for (k in a) {
        if (k in b) {
          i[k] = d3_interpolate(a[k], b[k]);
        } else {
          c[k] = a[k];
        }
      }
      for (k in b) {
        if (!(k in a)) {
          c[k] = b[k];
        }
      }
      return function(t) {
        for (k in i) c[k] = i[k](t);
        return c;
      };
    }
    d3.interpolateNumber = d3_interpolateNumber;
    function d3_interpolateNumber(a, b) {
      a = +a, b = +b;
      return function(t) {
        return a * (1 - t) + b * t;
      };
    }
    d3.interpolateString = d3_interpolateString;
    function d3_interpolateString(a, b) {
      var bi = d3_interpolate_numberA.lastIndex = d3_interpolate_numberB.lastIndex = 0, am, bm, bs, i = -1, s = [], q = [];
      a = a + "", b = b + "";
      while ((am = d3_interpolate_numberA.exec(a)) && (bm = d3_interpolate_numberB.exec(b))) {
        if ((bs = bm.index) > bi) {
          bs = b.slice(bi, bs);
          if (s[i]) s[i] += bs; else s[++i] = bs;
        }
        if ((am = am[0]) === (bm = bm[0])) {
          if (s[i]) s[i] += bm; else s[++i] = bm;
        } else {
          s[++i] = null;
          q.push({
            i: i,
            x: d3_interpolateNumber(am, bm)
          });
        }
        bi = d3_interpolate_numberB.lastIndex;
      }
      if (bi < b.length) {
        bs = b.slice(bi);
        if (s[i]) s[i] += bs; else s[++i] = bs;
      }
      return s.length < 2 ? q[0] ? (b = q[0].x, function(t) {
        return b(t) + "";
      }) : function() {
        return b;
      } : (b = q.length, function(t) {
        for (var i = 0, o; i < b; ++i) s[(o = q[i]).i] = o.x(t);
        return s.join("");
      });
    }
    var d3_interpolate_numberA = /[-+]?(?:\d+\.?\d*|\.?\d+)(?:[eE][-+]?\d+)?/g, d3_interpolate_numberB = new RegExp(d3_interpolate_numberA.source, "g");
    d3.interpolate = d3_interpolate;
    function d3_interpolate(a, b) {
      var i = d3.interpolators.length, f;
      while (--i >= 0 && !(f = d3.interpolators[i](a, b))) ;
      return f;
    }
    d3.interpolators = [ function(a, b) {
      var t = typeof b;
      return (t === "string" ? d3_rgb_names.has(b.toLowerCase()) || /^(#|rgb\(|hsl\()/i.test(b) ? d3_interpolateRgb : d3_interpolateString : b instanceof d3_color ? d3_interpolateRgb : Array.isArray(b) ? d3_interpolateArray : t === "object" && isNaN(b) ? d3_interpolateObject : d3_interpolateNumber)(a, b);
    } ];
    d3.interpolateArray = d3_interpolateArray;
    function d3_interpolateArray(a, b) {
      var x = [], c = [], na = a.length, nb = b.length, n0 = Math.min(a.length, b.length), i;
      for (i = 0; i < n0; ++i) x.push(d3_interpolate(a[i], b[i]));
      for (;i < na; ++i) c[i] = a[i];
      for (;i < nb; ++i) c[i] = b[i];
      return function(t) {
        for (i = 0; i < n0; ++i) c[i] = x[i](t);
        return c;
      };
    }
    var d3_ease_default = function() {
      return d3_identity;
    };
    var d3_ease = d3.map({
      linear: d3_ease_default,
      poly: d3_ease_poly,
      quad: function() {
        return d3_ease_quad;
      },
      cubic: function() {
        return d3_ease_cubic;
      },
      sin: function() {
        return d3_ease_sin;
      },
      exp: function() {
        return d3_ease_exp;
      },
      circle: function() {
        return d3_ease_circle;
      },
      elastic: d3_ease_elastic,
      back: d3_ease_back,
      bounce: function() {
        return d3_ease_bounce;
      }
    });
    var d3_ease_mode = d3.map({
      "in": d3_identity,
      out: d3_ease_reverse,
      "in-out": d3_ease_reflect,
      "out-in": function(f) {
        return d3_ease_reflect(d3_ease_reverse(f));
      }
    });
    d3.ease = function(name) {
      var i = name.indexOf("-"), t = i >= 0 ? name.slice(0, i) : name, m = i >= 0 ? name.slice(i + 1) : "in";
      t = d3_ease.get(t) || d3_ease_default;
      m = d3_ease_mode.get(m) || d3_identity;
      return d3_ease_clamp(m(t.apply(null, d3_arraySlice.call(arguments, 1))));
    };
    function d3_ease_clamp(f) {
      return function(t) {
        return t <= 0 ? 0 : t >= 1 ? 1 : f(t);
      };
    }
    function d3_ease_reverse(f) {
      return function(t) {
        return 1 - f(1 - t);
      };
    }
    function d3_ease_reflect(f) {
      return function(t) {
        return .5 * (t < .5 ? f(2 * t) : 2 - f(2 - 2 * t));
      };
    }
    function d3_ease_quad(t) {
      return t * t;
    }
    function d3_ease_cubic(t) {
      return t * t * t;
    }
    function d3_ease_cubicInOut(t) {
      if (t <= 0) return 0;
      if (t >= 1) return 1;
      var t2 = t * t, t3 = t2 * t;
      return 4 * (t < .5 ? t3 : 3 * (t - t2) + t3 - .75);
    }
    function d3_ease_poly(e) {
      return function(t) {
        return Math.pow(t, e);
      };
    }
    function d3_ease_sin(t) {
      return 1 - Math.cos(t * halfπ);
    }
    function d3_ease_exp(t) {
      return Math.pow(2, 10 * (t - 1));
    }
    function d3_ease_circle(t) {
      return 1 - Math.sqrt(1 - t * t);
    }
    function d3_ease_elastic(a, p) {
      var s;
      if (arguments.length < 2) p = .45;
      if (arguments.length) s = p / τ * Math.asin(1 / a); else a = 1, s = p / 4;
      return function(t) {
        return 1 + a * Math.pow(2, -10 * t) * Math.sin((t - s) * τ / p);
      };
    }
    function d3_ease_back(s) {
      if (!s) s = 1.70158;
      return function(t) {
        return t * t * ((s + 1) * t - s);
      };
    }
    function d3_ease_bounce(t) {
      return t < 1 / 2.75 ? 7.5625 * t * t : t < 2 / 2.75 ? 7.5625 * (t -= 1.5 / 2.75) * t + .75 : t < 2.5 / 2.75 ? 7.5625 * (t -= 2.25 / 2.75) * t + .9375 : 7.5625 * (t -= 2.625 / 2.75) * t + .984375;
    }
    d3.interpolateHcl = d3_interpolateHcl;
    function d3_interpolateHcl(a, b) {
      a = d3.hcl(a);
      b = d3.hcl(b);
      var ah = a.h, ac = a.c, al = a.l, bh = b.h - ah, bc = b.c - ac, bl = b.l - al;
      if (isNaN(bc)) bc = 0, ac = isNaN(ac) ? b.c : ac;
      if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
      return function(t) {
        return d3_hcl_lab(ah + bh * t, ac + bc * t, al + bl * t) + "";
      };
    }
    d3.interpolateHsl = d3_interpolateHsl;
    function d3_interpolateHsl(a, b) {
      a = d3.hsl(a);
      b = d3.hsl(b);
      var ah = a.h, as = a.s, al = a.l, bh = b.h - ah, bs = b.s - as, bl = b.l - al;
      if (isNaN(bs)) bs = 0, as = isNaN(as) ? b.s : as;
      if (isNaN(bh)) bh = 0, ah = isNaN(ah) ? b.h : ah; else if (bh > 180) bh -= 360; else if (bh < -180) bh += 360;
      return function(t) {
        return d3_hsl_rgb(ah + bh * t, as + bs * t, al + bl * t) + "";
      };
    }
    d3.interpolateLab = d3_interpolateLab;
    function d3_interpolateLab(a, b) {
      a = d3.lab(a);
      b = d3.lab(b);
      var al = a.l, aa = a.a, ab = a.b, bl = b.l - al, ba = b.a - aa, bb = b.b - ab;
      return function(t) {
        return d3_lab_rgb(al + bl * t, aa + ba * t, ab + bb * t) + "";
      };
    }
    d3.interpolateRound = d3_interpolateRound;
    function d3_interpolateRound(a, b) {
      b -= a;
      return function(t) {
        return Math.round(a + b * t);
      };
    }
    d3.transform = function(string) {
      var g = d3_document.createElementNS(d3.ns.prefix.svg, "g");
      return (d3.transform = function(string) {
        if (string != null) {
          g.setAttribute("transform", string);
          var t = g.transform.baseVal.consolidate();
        }
        return new d3_transform(t ? t.matrix : d3_transformIdentity);
      })(string);
    };
    function d3_transform(m) {
      var r0 = [ m.a, m.b ], r1 = [ m.c, m.d ], kx = d3_transformNormalize(r0), kz = d3_transformDot(r0, r1), ky = d3_transformNormalize(d3_transformCombine(r1, r0, -kz)) || 0;
      if (r0[0] * r1[1] < r1[0] * r0[1]) {
        r0[0] *= -1;
        r0[1] *= -1;
        kx *= -1;
        kz *= -1;
      }
      this.rotate = (kx ? Math.atan2(r0[1], r0[0]) : Math.atan2(-r1[0], r1[1])) * d3_degrees;
      this.translate = [ m.e, m.f ];
      this.scale = [ kx, ky ];
      this.skew = ky ? Math.atan2(kz, ky) * d3_degrees : 0;
    }
    d3_transform.prototype.toString = function() {
      return "translate(" + this.translate + ")rotate(" + this.rotate + ")skewX(" + this.skew + ")scale(" + this.scale + ")";
    };
    function d3_transformDot(a, b) {
      return a[0] * b[0] + a[1] * b[1];
    }
    function d3_transformNormalize(a) {
      var k = Math.sqrt(d3_transformDot(a, a));
      if (k) {
        a[0] /= k;
        a[1] /= k;
      }
      return k;
    }
    function d3_transformCombine(a, b, k) {
      a[0] += k * b[0];
      a[1] += k * b[1];
      return a;
    }
    var d3_transformIdentity = {
      a: 1,
      b: 0,
      c: 0,
      d: 1,
      e: 0,
      f: 0
    };
    d3.interpolateTransform = d3_interpolateTransform;
    function d3_interpolateTransformPop(s) {
      return s.length ? s.pop() + "," : "";
    }
    function d3_interpolateTranslate(ta, tb, s, q) {
      if (ta[0] !== tb[0] || ta[1] !== tb[1]) {
        var i = s.push("translate(", null, ",", null, ")");
        q.push({
          i: i - 4,
          x: d3_interpolateNumber(ta[0], tb[0])
        }, {
          i: i - 2,
          x: d3_interpolateNumber(ta[1], tb[1])
        });
      } else if (tb[0] || tb[1]) {
        s.push("translate(" + tb + ")");
      }
    }
    function d3_interpolateRotate(ra, rb, s, q) {
      if (ra !== rb) {
        if (ra - rb > 180) rb += 360; else if (rb - ra > 180) ra += 360;
        q.push({
          i: s.push(d3_interpolateTransformPop(s) + "rotate(", null, ")") - 2,
          x: d3_interpolateNumber(ra, rb)
        });
      } else if (rb) {
        s.push(d3_interpolateTransformPop(s) + "rotate(" + rb + ")");
      }
    }
    function d3_interpolateSkew(wa, wb, s, q) {
      if (wa !== wb) {
        q.push({
          i: s.push(d3_interpolateTransformPop(s) + "skewX(", null, ")") - 2,
          x: d3_interpolateNumber(wa, wb)
        });
      } else if (wb) {
        s.push(d3_interpolateTransformPop(s) + "skewX(" + wb + ")");
      }
    }
    function d3_interpolateScale(ka, kb, s, q) {
      if (ka[0] !== kb[0] || ka[1] !== kb[1]) {
        var i = s.push(d3_interpolateTransformPop(s) + "scale(", null, ",", null, ")");
        q.push({
          i: i - 4,
          x: d3_interpolateNumber(ka[0], kb[0])
        }, {
          i: i - 2,
          x: d3_interpolateNumber(ka[1], kb[1])
        });
      } else if (kb[0] !== 1 || kb[1] !== 1) {
        s.push(d3_interpolateTransformPop(s) + "scale(" + kb + ")");
      }
    }
    function d3_interpolateTransform(a, b) {
      var s = [], q = [];
      a = d3.transform(a), b = d3.transform(b);
      d3_interpolateTranslate(a.translate, b.translate, s, q);
      d3_interpolateRotate(a.rotate, b.rotate, s, q);
      d3_interpolateSkew(a.skew, b.skew, s, q);
      d3_interpolateScale(a.scale, b.scale, s, q);
      a = b = null;
      return function(t) {
        var i = -1, n = q.length, o;
        while (++i < n) s[(o = q[i]).i] = o.x(t);
        return s.join("");
      };
    }
    function d3_uninterpolateNumber(a, b) {
      b = (b -= a = +a) || 1 / b;
      return function(x) {
        return (x - a) / b;
      };
    }
    function d3_uninterpolateClamp(a, b) {
      b = (b -= a = +a) || 1 / b;
      return function(x) {
        return Math.max(0, Math.min(1, (x - a) / b));
      };
    }
    d3.layout = {};
    d3.layout.bundle = function() {
      return function(links) {
        var paths = [], i = -1, n = links.length;
        while (++i < n) paths.push(d3_layout_bundlePath(links[i]));
        return paths;
      };
    };
    function d3_layout_bundlePath(link) {
      var start = link.source, end = link.target, lca = d3_layout_bundleLeastCommonAncestor(start, end), points = [ start ];
      while (start !== lca) {
        start = start.parent;
        points.push(start);
      }
      var k = points.length;
      while (end !== lca) {
        points.splice(k, 0, end);
        end = end.parent;
      }
      return points;
    }
    function d3_layout_bundleAncestors(node) {
      var ancestors = [], parent = node.parent;
      while (parent != null) {
        ancestors.push(node);
        node = parent;
        parent = parent.parent;
      }
      ancestors.push(node);
      return ancestors;
    }
    function d3_layout_bundleLeastCommonAncestor(a, b) {
      if (a === b) return a;
      var aNodes = d3_layout_bundleAncestors(a), bNodes = d3_layout_bundleAncestors(b), aNode = aNodes.pop(), bNode = bNodes.pop(), sharedNode = null;
      while (aNode === bNode) {
        sharedNode = aNode;
        aNode = aNodes.pop();
        bNode = bNodes.pop();
      }
      return sharedNode;
    }
    d3.layout.chord = function() {
      var chord = {}, chords, groups, matrix, n, padding = 0, sortGroups, sortSubgroups, sortChords;
      function relayout() {
        var subgroups = {}, groupSums = [], groupIndex = d3.range(n), subgroupIndex = [], k, x, x0, i, j;
        chords = [];
        groups = [];
        k = 0, i = -1;
        while (++i < n) {
          x = 0, j = -1;
          while (++j < n) {
            x += matrix[i][j];
          }
          groupSums.push(x);
          subgroupIndex.push(d3.range(n));
          k += x;
        }
        if (sortGroups) {
          groupIndex.sort(function(a, b) {
            return sortGroups(groupSums[a], groupSums[b]);
          });
        }
        if (sortSubgroups) {
          subgroupIndex.forEach(function(d, i) {
            d.sort(function(a, b) {
              return sortSubgroups(matrix[i][a], matrix[i][b]);
            });
          });
        }
        k = (τ - padding * n) / k;
        x = 0, i = -1;
        while (++i < n) {
          x0 = x, j = -1;
          while (++j < n) {
            var di = groupIndex[i], dj = subgroupIndex[di][j], v = matrix[di][dj], a0 = x, a1 = x += v * k;
            subgroups[di + "-" + dj] = {
              index: di,
              subindex: dj,
              startAngle: a0,
              endAngle: a1,
              value: v
            };
          }
          groups[di] = {
            index: di,
            startAngle: x0,
            endAngle: x,
            value: groupSums[di]
          };
          x += padding;
        }
        i = -1;
        while (++i < n) {
          j = i - 1;
          while (++j < n) {
            var source = subgroups[i + "-" + j], target = subgroups[j + "-" + i];
            if (source.value || target.value) {
              chords.push(source.value < target.value ? {
                source: target,
                target: source
              } : {
                source: source,
                target: target
              });
            }
          }
        }
        if (sortChords) resort();
      }
      function resort() {
        chords.sort(function(a, b) {
          return sortChords((a.source.value + a.target.value) / 2, (b.source.value + b.target.value) / 2);
        });
      }
      chord.matrix = function(x) {
        if (!arguments.length) return matrix;
        n = (matrix = x) && matrix.length;
        chords = groups = null;
        return chord;
      };
      chord.padding = function(x) {
        if (!arguments.length) return padding;
        padding = x;
        chords = groups = null;
        return chord;
      };
      chord.sortGroups = function(x) {
        if (!arguments.length) return sortGroups;
        sortGroups = x;
        chords = groups = null;
        return chord;
      };
      chord.sortSubgroups = function(x) {
        if (!arguments.length) return sortSubgroups;
        sortSubgroups = x;
        chords = null;
        return chord;
      };
      chord.sortChords = function(x) {
        if (!arguments.length) return sortChords;
        sortChords = x;
        if (chords) resort();
        return chord;
      };
      chord.chords = function() {
        if (!chords) relayout();
        return chords;
      };
      chord.groups = function() {
        if (!groups) relayout();
        return groups;
      };
      return chord;
    };
    d3.layout.force = function() {
      var force = {}, event = d3.dispatch("start", "tick", "end"), timer, size = [ 1, 1 ], drag, alpha, friction = .9, linkDistance = d3_layout_forceLinkDistance, linkStrength = d3_layout_forceLinkStrength, charge = -30, chargeDistance2 = d3_layout_forceChargeDistance2, gravity = .1, theta2 = .64, nodes = [], links = [], distances, strengths, charges;
      function repulse(node) {
        return function(quad, x1, _, x2) {
          if (quad.point !== node) {
            var dx = quad.cx - node.x, dy = quad.cy - node.y, dw = x2 - x1, dn = dx * dx + dy * dy;
            if (dw * dw / theta2 < dn) {
              if (dn < chargeDistance2) {
                var k = quad.charge / dn;
                node.px -= dx * k;
                node.py -= dy * k;
              }
              return true;
            }
            if (quad.point && dn && dn < chargeDistance2) {
              var k = quad.pointCharge / dn;
              node.px -= dx * k;
              node.py -= dy * k;
            }
          }
          return !quad.charge;
        };
      }
      force.tick = function() {
        if ((alpha *= .99) < .005) {
          timer = null;
          event.end({
            type: "end",
            alpha: alpha = 0
          });
          return true;
        }
        var n = nodes.length, m = links.length, q, i, o, s, t, l, k, x, y;
        for (i = 0; i < m; ++i) {
          o = links[i];
          s = o.source;
          t = o.target;
          x = t.x - s.x;
          y = t.y - s.y;
          if (l = x * x + y * y) {
            l = alpha * strengths[i] * ((l = Math.sqrt(l)) - distances[i]) / l;
            x *= l;
            y *= l;
            t.x -= x * (k = s.weight + t.weight ? s.weight / (s.weight + t.weight) : .5);
            t.y -= y * k;
            s.x += x * (k = 1 - k);
            s.y += y * k;
          }
        }
        if (k = alpha * gravity) {
          x = size[0] / 2;
          y = size[1] / 2;
          i = -1;
          if (k) while (++i < n) {
            o = nodes[i];
            o.x += (x - o.x) * k;
            o.y += (y - o.y) * k;
          }
        }
        if (charge) {
          d3_layout_forceAccumulate(q = d3.geom.quadtree(nodes), alpha, charges);
          i = -1;
          while (++i < n) {
            if (!(o = nodes[i]).fixed) {
              q.visit(repulse(o));
            }
          }
        }
        i = -1;
        while (++i < n) {
          o = nodes[i];
          if (o.fixed) {
            o.x = o.px;
            o.y = o.py;
          } else {
            o.x -= (o.px - (o.px = o.x)) * friction;
            o.y -= (o.py - (o.py = o.y)) * friction;
          }
        }
        event.tick({
          type: "tick",
          alpha: alpha
        });
      };
      force.nodes = function(x) {
        if (!arguments.length) return nodes;
        nodes = x;
        return force;
      };
      force.links = function(x) {
        if (!arguments.length) return links;
        links = x;
        return force;
      };
      force.size = function(x) {
        if (!arguments.length) return size;
        size = x;
        return force;
      };
      force.linkDistance = function(x) {
        if (!arguments.length) return linkDistance;
        linkDistance = typeof x === "function" ? x : +x;
        return force;
      };
      force.distance = force.linkDistance;
      force.linkStrength = function(x) {
        if (!arguments.length) return linkStrength;
        linkStrength = typeof x === "function" ? x : +x;
        return force;
      };
      force.friction = function(x) {
        if (!arguments.length) return friction;
        friction = +x;
        return force;
      };
      force.charge = function(x) {
        if (!arguments.length) return charge;
        charge = typeof x === "function" ? x : +x;
        return force;
      };
      force.chargeDistance = function(x) {
        if (!arguments.length) return Math.sqrt(chargeDistance2);
        chargeDistance2 = x * x;
        return force;
      };
      force.gravity = function(x) {
        if (!arguments.length) return gravity;
        gravity = +x;
        return force;
      };
      force.theta = function(x) {
        if (!arguments.length) return Math.sqrt(theta2);
        theta2 = x * x;
        return force;
      };
      force.alpha = function(x) {
        if (!arguments.length) return alpha;
        x = +x;
        if (alpha) {
          if (x > 0) {
            alpha = x;
          } else {
            timer.c = null, timer.t = NaN, timer = null;
            event.end({
              type: "end",
              alpha: alpha = 0
            });
          }
        } else if (x > 0) {
          event.start({
            type: "start",
            alpha: alpha = x
          });
          timer = d3_timer(force.tick);
        }
        return force;
      };
      force.start = function() {
        var i, n = nodes.length, m = links.length, w = size[0], h = size[1], neighbors, o;
        for (i = 0; i < n; ++i) {
          (o = nodes[i]).index = i;
          o.weight = 0;
        }
        for (i = 0; i < m; ++i) {
          o = links[i];
          if (typeof o.source == "number") o.source = nodes[o.source];
          if (typeof o.target == "number") o.target = nodes[o.target];
          ++o.source.weight;
          ++o.target.weight;
        }
        for (i = 0; i < n; ++i) {
          o = nodes[i];
          if (isNaN(o.x)) o.x = position("x", w);
          if (isNaN(o.y)) o.y = position("y", h);
          if (isNaN(o.px)) o.px = o.x;
          if (isNaN(o.py)) o.py = o.y;
        }
        distances = [];
        if (typeof linkDistance === "function") for (i = 0; i < m; ++i) distances[i] = +linkDistance.call(this, links[i], i); else for (i = 0; i < m; ++i) distances[i] = linkDistance;
        strengths = [];
        if (typeof linkStrength === "function") for (i = 0; i < m; ++i) strengths[i] = +linkStrength.call(this, links[i], i); else for (i = 0; i < m; ++i) strengths[i] = linkStrength;
        charges = [];
        if (typeof charge === "function") for (i = 0; i < n; ++i) charges[i] = +charge.call(this, nodes[i], i); else for (i = 0; i < n; ++i) charges[i] = charge;
        function position(dimension, size) {
          if (!neighbors) {
            neighbors = new Array(n);
            for (j = 0; j < n; ++j) {
              neighbors[j] = [];
            }
            for (j = 0; j < m; ++j) {
              var o = links[j];
              neighbors[o.source.index].push(o.target);
              neighbors[o.target.index].push(o.source);
            }
          }
          var candidates = neighbors[i], j = -1, l = candidates.length, x;
          while (++j < l) if (!isNaN(x = candidates[j][dimension])) return x;
          return Math.random() * size;
        }
        return force.resume();
      };
      force.resume = function() {
        return force.alpha(.1);
      };
      force.stop = function() {
        return force.alpha(0);
      };
      force.drag = function() {
        if (!drag) drag = d3.behavior.drag().origin(d3_identity).on("dragstart.force", d3_layout_forceDragstart).on("drag.force", dragmove).on("dragend.force", d3_layout_forceDragend);
        if (!arguments.length) return drag;
        this.on("mouseover.force", d3_layout_forceMouseover).on("mouseout.force", d3_layout_forceMouseout).call(drag);
      };
      function dragmove(d) {
        d.px = d3.event.x, d.py = d3.event.y;
        force.resume();
      }
      return d3.rebind(force, event, "on");
    };
    function d3_layout_forceDragstart(d) {
      d.fixed |= 2;
    }
    function d3_layout_forceDragend(d) {
      d.fixed &= ~6;
    }
    function d3_layout_forceMouseover(d) {
      d.fixed |= 4;
      d.px = d.x, d.py = d.y;
    }
    function d3_layout_forceMouseout(d) {
      d.fixed &= ~4;
    }
    function d3_layout_forceAccumulate(quad, alpha, charges) {
      var cx = 0, cy = 0;
      quad.charge = 0;
      if (!quad.leaf) {
        var nodes = quad.nodes, n = nodes.length, i = -1, c;
        while (++i < n) {
          c = nodes[i];
          if (c == null) continue;
          d3_layout_forceAccumulate(c, alpha, charges);
          quad.charge += c.charge;
          cx += c.charge * c.cx;
          cy += c.charge * c.cy;
        }
      }
      if (quad.point) {
        if (!quad.leaf) {
          quad.point.x += Math.random() - .5;
          quad.point.y += Math.random() - .5;
        }
        var k = alpha * charges[quad.point.index];
        quad.charge += quad.pointCharge = k;
        cx += k * quad.point.x;
        cy += k * quad.point.y;
      }
      quad.cx = cx / quad.charge;
      quad.cy = cy / quad.charge;
    }
    var d3_layout_forceLinkDistance = 20, d3_layout_forceLinkStrength = 1, d3_layout_forceChargeDistance2 = Infinity;
    d3.layout.hierarchy = function() {
      var sort = d3_layout_hierarchySort, children = d3_layout_hierarchyChildren, value = d3_layout_hierarchyValue;
      function hierarchy(root) {
        var stack = [ root ], nodes = [], node;
        root.depth = 0;
        while ((node = stack.pop()) != null) {
          nodes.push(node);
          if ((childs = children.call(hierarchy, node, node.depth)) && (n = childs.length)) {
            var n, childs, child;
            while (--n >= 0) {
              stack.push(child = childs[n]);
              child.parent = node;
              child.depth = node.depth + 1;
            }
            if (value) node.value = 0;
            node.children = childs;
          } else {
            if (value) node.value = +value.call(hierarchy, node, node.depth) || 0;
            delete node.children;
          }
        }
        d3_layout_hierarchyVisitAfter(root, function(node) {
          var childs, parent;
          if (sort && (childs = node.children)) childs.sort(sort);
          if (value && (parent = node.parent)) parent.value += node.value;
        });
        return nodes;
      }
      hierarchy.sort = function(x) {
        if (!arguments.length) return sort;
        sort = x;
        return hierarchy;
      };
      hierarchy.children = function(x) {
        if (!arguments.length) return children;
        children = x;
        return hierarchy;
      };
      hierarchy.value = function(x) {
        if (!arguments.length) return value;
        value = x;
        return hierarchy;
      };
      hierarchy.revalue = function(root) {
        if (value) {
          d3_layout_hierarchyVisitBefore(root, function(node) {
            if (node.children) node.value = 0;
          });
          d3_layout_hierarchyVisitAfter(root, function(node) {
            var parent;
            if (!node.children) node.value = +value.call(hierarchy, node, node.depth) || 0;
            if (parent = node.parent) parent.value += node.value;
          });
        }
        return root;
      };
      return hierarchy;
    };
    function d3_layout_hierarchyRebind(object, hierarchy) {
      d3.rebind(object, hierarchy, "sort", "children", "value");
      object.nodes = object;
      object.links = d3_layout_hierarchyLinks;
      return object;
    }
    function d3_layout_hierarchyVisitBefore(node, callback) {
      var nodes = [ node ];
      while ((node = nodes.pop()) != null) {
        callback(node);
        if ((children = node.children) && (n = children.length)) {
          var n, children;
          while (--n >= 0) nodes.push(children[n]);
        }
      }
    }
    function d3_layout_hierarchyVisitAfter(node, callback) {
      var nodes = [ node ], nodes2 = [];
      while ((node = nodes.pop()) != null) {
        nodes2.push(node);
        if ((children = node.children) && (n = children.length)) {
          var i = -1, n, children;
          while (++i < n) nodes.push(children[i]);
        }
      }
      while ((node = nodes2.pop()) != null) {
        callback(node);
      }
    }
    function d3_layout_hierarchyChildren(d) {
      return d.children;
    }
    function d3_layout_hierarchyValue(d) {
      return d.value;
    }
    function d3_layout_hierarchySort(a, b) {
      return b.value - a.value;
    }
    function d3_layout_hierarchyLinks(nodes) {
      return d3.merge(nodes.map(function(parent) {
        return (parent.children || []).map(function(child) {
          return {
            source: parent,
            target: child
          };
        });
      }));
    }
    d3.layout.partition = function() {
      var hierarchy = d3.layout.hierarchy(), size = [ 1, 1 ];
      function position(node, x, dx, dy) {
        var children = node.children;
        node.x = x;
        node.y = node.depth * dy;
        node.dx = dx;
        node.dy = dy;
        if (children && (n = children.length)) {
          var i = -1, n, c, d;
          dx = node.value ? dx / node.value : 0;
          while (++i < n) {
            position(c = children[i], x, d = c.value * dx, dy);
            x += d;
          }
        }
      }
      function depth(node) {
        var children = node.children, d = 0;
        if (children && (n = children.length)) {
          var i = -1, n;
          while (++i < n) d = Math.max(d, depth(children[i]));
        }
        return 1 + d;
      }
      function partition(d, i) {
        var nodes = hierarchy.call(this, d, i);
        position(nodes[0], 0, size[0], size[1] / depth(nodes[0]));
        return nodes;
      }
      partition.size = function(x) {
        if (!arguments.length) return size;
        size = x;
        return partition;
      };
      return d3_layout_hierarchyRebind(partition, hierarchy);
    };
    d3.layout.pie = function() {
      var value = Number, sort = d3_layout_pieSortByValue, startAngle = 0, endAngle = τ, padAngle = 0;
      function pie(data) {
        var n = data.length, values = data.map(function(d, i) {
          return +value.call(pie, d, i);
        }), a = +(typeof startAngle === "function" ? startAngle.apply(this, arguments) : startAngle), da = (typeof endAngle === "function" ? endAngle.apply(this, arguments) : endAngle) - a, p = Math.min(Math.abs(da) / n, +(typeof padAngle === "function" ? padAngle.apply(this, arguments) : padAngle)), pa = p * (da < 0 ? -1 : 1), sum = d3.sum(values), k = sum ? (da - n * pa) / sum : 0, index = d3.range(n), arcs = [], v;
        if (sort != null) index.sort(sort === d3_layout_pieSortByValue ? function(i, j) {
          return values[j] - values[i];
        } : function(i, j) {
          return sort(data[i], data[j]);
        });
        index.forEach(function(i) {
          arcs[i] = {
            data: data[i],
            value: v = values[i],
            startAngle: a,
            endAngle: a += v * k + pa,
            padAngle: p
          };
        });
        return arcs;
      }
      pie.value = function(_) {
        if (!arguments.length) return value;
        value = _;
        return pie;
      };
      pie.sort = function(_) {
        if (!arguments.length) return sort;
        sort = _;
        return pie;
      };
      pie.startAngle = function(_) {
        if (!arguments.length) return startAngle;
        startAngle = _;
        return pie;
      };
      pie.endAngle = function(_) {
        if (!arguments.length) return endAngle;
        endAngle = _;
        return pie;
      };
      pie.padAngle = function(_) {
        if (!arguments.length) return padAngle;
        padAngle = _;
        return pie;
      };
      return pie;
    };
    var d3_layout_pieSortByValue = {};
    d3.layout.stack = function() {
      var values = d3_identity, order = d3_layout_stackOrderDefault, offset = d3_layout_stackOffsetZero, out = d3_layout_stackOut, x = d3_layout_stackX, y = d3_layout_stackY;
      function stack(data, index) {
        if (!(n = data.length)) return data;
        var series = data.map(function(d, i) {
          return values.call(stack, d, i);
        });
        var points = series.map(function(d) {
          return d.map(function(v, i) {
            return [ x.call(stack, v, i), y.call(stack, v, i) ];
          });
        });
        var orders = order.call(stack, points, index);
        series = d3.permute(series, orders);
        points = d3.permute(points, orders);
        var offsets = offset.call(stack, points, index);
        var m = series[0].length, n, i, j, o;
        for (j = 0; j < m; ++j) {
          out.call(stack, series[0][j], o = offsets[j], points[0][j][1]);
          for (i = 1; i < n; ++i) {
            out.call(stack, series[i][j], o += points[i - 1][j][1], points[i][j][1]);
          }
        }
        return data;
      }
      stack.values = function(x) {
        if (!arguments.length) return values;
        values = x;
        return stack;
      };
      stack.order = function(x) {
        if (!arguments.length) return order;
        order = typeof x === "function" ? x : d3_layout_stackOrders.get(x) || d3_layout_stackOrderDefault;
        return stack;
      };
      stack.offset = function(x) {
        if (!arguments.length) return offset;
        offset = typeof x === "function" ? x : d3_layout_stackOffsets.get(x) || d3_layout_stackOffsetZero;
        return stack;
      };
      stack.x = function(z) {
        if (!arguments.length) return x;
        x = z;
        return stack;
      };
      stack.y = function(z) {
        if (!arguments.length) return y;
        y = z;
        return stack;
      };
      stack.out = function(z) {
        if (!arguments.length) return out;
        out = z;
        return stack;
      };
      return stack;
    };
    function d3_layout_stackX(d) {
      return d.x;
    }
    function d3_layout_stackY(d) {
      return d.y;
    }
    function d3_layout_stackOut(d, y0, y) {
      d.y0 = y0;
      d.y = y;
    }
    var d3_layout_stackOrders = d3.map({
      "inside-out": function(data) {
        var n = data.length, i, j, max = data.map(d3_layout_stackMaxIndex), sums = data.map(d3_layout_stackReduceSum), index = d3.range(n).sort(function(a, b) {
          return max[a] - max[b];
        }), top = 0, bottom = 0, tops = [], bottoms = [];
        for (i = 0; i < n; ++i) {
          j = index[i];
          if (top < bottom) {
            top += sums[j];
            tops.push(j);
          } else {
            bottom += sums[j];
            bottoms.push(j);
          }
        }
        return bottoms.reverse().concat(tops);
      },
      reverse: function(data) {
        return d3.range(data.length).reverse();
      },
      "default": d3_layout_stackOrderDefault
    });
    var d3_layout_stackOffsets = d3.map({
      silhouette: function(data) {
        var n = data.length, m = data[0].length, sums = [], max = 0, i, j, o, y0 = [];
        for (j = 0; j < m; ++j) {
          for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
          if (o > max) max = o;
          sums.push(o);
        }
        for (j = 0; j < m; ++j) {
          y0[j] = (max - sums[j]) / 2;
        }
        return y0;
      },
      wiggle: function(data) {
        var n = data.length, x = data[0], m = x.length, i, j, k, s1, s2, s3, dx, o, o0, y0 = [];
        y0[0] = o = o0 = 0;
        for (j = 1; j < m; ++j) {
          for (i = 0, s1 = 0; i < n; ++i) s1 += data[i][j][1];
          for (i = 0, s2 = 0, dx = x[j][0] - x[j - 1][0]; i < n; ++i) {
            for (k = 0, s3 = (data[i][j][1] - data[i][j - 1][1]) / (2 * dx); k < i; ++k) {
              s3 += (data[k][j][1] - data[k][j - 1][1]) / dx;
            }
            s2 += s3 * data[i][j][1];
          }
          y0[j] = o -= s1 ? s2 / s1 * dx : 0;
          if (o < o0) o0 = o;
        }
        for (j = 0; j < m; ++j) y0[j] -= o0;
        return y0;
      },
      expand: function(data) {
        var n = data.length, m = data[0].length, k = 1 / n, i, j, o, y0 = [];
        for (j = 0; j < m; ++j) {
          for (i = 0, o = 0; i < n; i++) o += data[i][j][1];
          if (o) for (i = 0; i < n; i++) data[i][j][1] /= o; else for (i = 0; i < n; i++) data[i][j][1] = k;
        }
        for (j = 0; j < m; ++j) y0[j] = 0;
        return y0;
      },
      zero: d3_layout_stackOffsetZero
    });
    function d3_layout_stackOrderDefault(data) {
      return d3.range(data.length);
    }
    function d3_layout_stackOffsetZero(data) {
      var j = -1, m = data[0].length, y0 = [];
      while (++j < m) y0[j] = 0;
      return y0;
    }
    function d3_layout_stackMaxIndex(array) {
      var i = 1, j = 0, v = array[0][1], k, n = array.length;
      for (;i < n; ++i) {
        if ((k = array[i][1]) > v) {
          j = i;
          v = k;
        }
      }
      return j;
    }
    function d3_layout_stackReduceSum(d) {
      return d.reduce(d3_layout_stackSum, 0);
    }
    function d3_layout_stackSum(p, d) {
      return p + d[1];
    }
    d3.layout.histogram = function() {
      var frequency = true, valuer = Number, ranger = d3_layout_histogramRange, binner = d3_layout_histogramBinSturges;
      function histogram(data, i) {
        var bins = [], values = data.map(valuer, this), range = ranger.call(this, values, i), thresholds = binner.call(this, range, values, i), bin, i = -1, n = values.length, m = thresholds.length - 1, k = frequency ? 1 : 1 / n, x;
        while (++i < m) {
          bin = bins[i] = [];
          bin.dx = thresholds[i + 1] - (bin.x = thresholds[i]);
          bin.y = 0;
        }
        if (m > 0) {
          i = -1;
          while (++i < n) {
            x = values[i];
            if (x >= range[0] && x <= range[1]) {
              bin = bins[d3.bisect(thresholds, x, 1, m) - 1];
              bin.y += k;
              bin.push(data[i]);
            }
          }
        }
        return bins;
      }
      histogram.value = function(x) {
        if (!arguments.length) return valuer;
        valuer = x;
        return histogram;
      };
      histogram.range = function(x) {
        if (!arguments.length) return ranger;
        ranger = d3_functor(x);
        return histogram;
      };
      histogram.bins = function(x) {
        if (!arguments.length) return binner;
        binner = typeof x === "number" ? function(range) {
          return d3_layout_histogramBinFixed(range, x);
        } : d3_functor(x);
        return histogram;
      };
      histogram.frequency = function(x) {
        if (!arguments.length) return frequency;
        frequency = !!x;
        return histogram;
      };
      return histogram;
    };
    function d3_layout_histogramBinSturges(range, values) {
      return d3_layout_histogramBinFixed(range, Math.ceil(Math.log(values.length) / Math.LN2 + 1));
    }
    function d3_layout_histogramBinFixed(range, n) {
      var x = -1, b = +range[0], m = (range[1] - b) / n, f = [];
      while (++x <= n) f[x] = m * x + b;
      return f;
    }
    function d3_layout_histogramRange(values) {
      return [ d3.min(values), d3.max(values) ];
    }
    d3.layout.pack = function() {
      var hierarchy = d3.layout.hierarchy().sort(d3_layout_packSort), padding = 0, size = [ 1, 1 ], radius;
      function pack(d, i) {
        var nodes = hierarchy.call(this, d, i), root = nodes[0], w = size[0], h = size[1], r = radius == null ? Math.sqrt : typeof radius === "function" ? radius : function() {
          return radius;
        };
        root.x = root.y = 0;
        d3_layout_hierarchyVisitAfter(root, function(d) {
          d.r = +r(d.value);
        });
        d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
        if (padding) {
          var dr = padding * (radius ? 1 : Math.max(2 * root.r / w, 2 * root.r / h)) / 2;
          d3_layout_hierarchyVisitAfter(root, function(d) {
            d.r += dr;
          });
          d3_layout_hierarchyVisitAfter(root, d3_layout_packSiblings);
          d3_layout_hierarchyVisitAfter(root, function(d) {
            d.r -= dr;
          });
        }
        d3_layout_packTransform(root, w / 2, h / 2, radius ? 1 : 1 / Math.max(2 * root.r / w, 2 * root.r / h));
        return nodes;
      }
      pack.size = function(_) {
        if (!arguments.length) return size;
        size = _;
        return pack;
      };
      pack.radius = function(_) {
        if (!arguments.length) return radius;
        radius = _ == null || typeof _ === "function" ? _ : +_;
        return pack;
      };
      pack.padding = function(_) {
        if (!arguments.length) return padding;
        padding = +_;
        return pack;
      };
      return d3_layout_hierarchyRebind(pack, hierarchy);
    };
    function d3_layout_packSort(a, b) {
      return a.value - b.value;
    }
    function d3_layout_packInsert(a, b) {
      var c = a._pack_next;
      a._pack_next = b;
      b._pack_prev = a;
      b._pack_next = c;
      c._pack_prev = b;
    }
    function d3_layout_packSplice(a, b) {
      a._pack_next = b;
      b._pack_prev = a;
    }
    function d3_layout_packIntersects(a, b) {
      var dx = b.x - a.x, dy = b.y - a.y, dr = a.r + b.r;
      return .999 * dr * dr > dx * dx + dy * dy;
    }
    function d3_layout_packSiblings(node) {
      if (!(nodes = node.children) || !(n = nodes.length)) return;
      var nodes, xMin = Infinity, xMax = -Infinity, yMin = Infinity, yMax = -Infinity, a, b, c, i, j, k, n;
      function bound(node) {
        xMin = Math.min(node.x - node.r, xMin);
        xMax = Math.max(node.x + node.r, xMax);
        yMin = Math.min(node.y - node.r, yMin);
        yMax = Math.max(node.y + node.r, yMax);
      }
      nodes.forEach(d3_layout_packLink);
      a = nodes[0];
      a.x = -a.r;
      a.y = 0;
      bound(a);
      if (n > 1) {
        b = nodes[1];
        b.x = b.r;
        b.y = 0;
        bound(b);
        if (n > 2) {
          c = nodes[2];
          d3_layout_packPlace(a, b, c);
          bound(c);
          d3_layout_packInsert(a, c);
          a._pack_prev = c;
          d3_layout_packInsert(c, b);
          b = a._pack_next;
          for (i = 3; i < n; i++) {
            d3_layout_packPlace(a, b, c = nodes[i]);
            var isect = 0, s1 = 1, s2 = 1;
            for (j = b._pack_next; j !== b; j = j._pack_next, s1++) {
              if (d3_layout_packIntersects(j, c)) {
                isect = 1;
                break;
              }
            }
            if (isect == 1) {
              for (k = a._pack_prev; k !== j._pack_prev; k = k._pack_prev, s2++) {
                if (d3_layout_packIntersects(k, c)) {
                  break;
                }
              }
            }
            if (isect) {
              if (s1 < s2 || s1 == s2 && b.r < a.r) d3_layout_packSplice(a, b = j); else d3_layout_packSplice(a = k, b);
              i--;
            } else {
              d3_layout_packInsert(a, c);
              b = c;
              bound(c);
            }
          }
        }
      }
      var cx = (xMin + xMax) / 2, cy = (yMin + yMax) / 2, cr = 0;
      for (i = 0; i < n; i++) {
        c = nodes[i];
        c.x -= cx;
        c.y -= cy;
        cr = Math.max(cr, c.r + Math.sqrt(c.x * c.x + c.y * c.y));
      }
      node.r = cr;
      nodes.forEach(d3_layout_packUnlink);
    }
    function d3_layout_packLink(node) {
      node._pack_next = node._pack_prev = node;
    }
    function d3_layout_packUnlink(node) {
      delete node._pack_next;
      delete node._pack_prev;
    }
    function d3_layout_packTransform(node, x, y, k) {
      var children = node.children;
      node.x = x += k * node.x;
      node.y = y += k * node.y;
      node.r *= k;
      if (children) {
        var i = -1, n = children.length;
        while (++i < n) d3_layout_packTransform(children[i], x, y, k);
      }
    }
    function d3_layout_packPlace(a, b, c) {
      var db = a.r + c.r, dx = b.x - a.x, dy = b.y - a.y;
      if (db && (dx || dy)) {
        var da = b.r + c.r, dc = dx * dx + dy * dy;
        da *= da;
        db *= db;
        var x = .5 + (db - da) / (2 * dc), y = Math.sqrt(Math.max(0, 2 * da * (db + dc) - (db -= dc) * db - da * da)) / (2 * dc);
        c.x = a.x + x * dx + y * dy;
        c.y = a.y + x * dy - y * dx;
      } else {
        c.x = a.x + db;
        c.y = a.y;
      }
    }
    d3.layout.tree = function() {
      var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = null;
      function tree(d, i) {
        var nodes = hierarchy.call(this, d, i), root0 = nodes[0], root1 = wrapTree(root0);
        d3_layout_hierarchyVisitAfter(root1, firstWalk), root1.parent.m = -root1.z;
        d3_layout_hierarchyVisitBefore(root1, secondWalk);
        if (nodeSize) d3_layout_hierarchyVisitBefore(root0, sizeNode); else {
          var left = root0, right = root0, bottom = root0;
          d3_layout_hierarchyVisitBefore(root0, function(node) {
            if (node.x < left.x) left = node;
            if (node.x > right.x) right = node;
            if (node.depth > bottom.depth) bottom = node;
          });
          var tx = separation(left, right) / 2 - left.x, kx = size[0] / (right.x + separation(right, left) / 2 + tx), ky = size[1] / (bottom.depth || 1);
          d3_layout_hierarchyVisitBefore(root0, function(node) {
            node.x = (node.x + tx) * kx;
            node.y = node.depth * ky;
          });
        }
        return nodes;
      }
      function wrapTree(root0) {
        var root1 = {
          A: null,
          children: [ root0 ]
        }, queue = [ root1 ], node1;
        while ((node1 = queue.pop()) != null) {
          for (var children = node1.children, child, i = 0, n = children.length; i < n; ++i) {
            queue.push((children[i] = child = {
              _: children[i],
              parent: node1,
              children: (child = children[i].children) && child.slice() || [],
              A: null,
              a: null,
              z: 0,
              m: 0,
              c: 0,
              s: 0,
              t: null,
              i: i
            }).a = child);
          }
        }
        return root1.children[0];
      }
      function firstWalk(v) {
        var children = v.children, siblings = v.parent.children, w = v.i ? siblings[v.i - 1] : null;
        if (children.length) {
          d3_layout_treeShift(v);
          var midpoint = (children[0].z + children[children.length - 1].z) / 2;
          if (w) {
            v.z = w.z + separation(v._, w._);
            v.m = v.z - midpoint;
          } else {
            v.z = midpoint;
          }
        } else if (w) {
          v.z = w.z + separation(v._, w._);
        }
        v.parent.A = apportion(v, w, v.parent.A || siblings[0]);
      }
      function secondWalk(v) {
        v._.x = v.z + v.parent.m;
        v.m += v.parent.m;
      }
      function apportion(v, w, ancestor) {
        if (w) {
          var vip = v, vop = v, vim = w, vom = vip.parent.children[0], sip = vip.m, sop = vop.m, sim = vim.m, som = vom.m, shift;
          while (vim = d3_layout_treeRight(vim), vip = d3_layout_treeLeft(vip), vim && vip) {
            vom = d3_layout_treeLeft(vom);
            vop = d3_layout_treeRight(vop);
            vop.a = v;
            shift = vim.z + sim - vip.z - sip + separation(vim._, vip._);
            if (shift > 0) {
              d3_layout_treeMove(d3_layout_treeAncestor(vim, v, ancestor), v, shift);
              sip += shift;
              sop += shift;
            }
            sim += vim.m;
            sip += vip.m;
            som += vom.m;
            sop += vop.m;
          }
          if (vim && !d3_layout_treeRight(vop)) {
            vop.t = vim;
            vop.m += sim - sop;
          }
          if (vip && !d3_layout_treeLeft(vom)) {
            vom.t = vip;
            vom.m += sip - som;
            ancestor = v;
          }
        }
        return ancestor;
      }
      function sizeNode(node) {
        node.x *= size[0];
        node.y = node.depth * size[1];
      }
      tree.separation = function(x) {
        if (!arguments.length) return separation;
        separation = x;
        return tree;
      };
      tree.size = function(x) {
        if (!arguments.length) return nodeSize ? null : size;
        nodeSize = (size = x) == null ? sizeNode : null;
        return tree;
      };
      tree.nodeSize = function(x) {
        if (!arguments.length) return nodeSize ? size : null;
        nodeSize = (size = x) == null ? null : sizeNode;
        return tree;
      };
      return d3_layout_hierarchyRebind(tree, hierarchy);
    };
    function d3_layout_treeSeparation(a, b) {
      return a.parent == b.parent ? 1 : 2;
    }
    function d3_layout_treeLeft(v) {
      var children = v.children;
      return children.length ? children[0] : v.t;
    }
    function d3_layout_treeRight(v) {
      var children = v.children, n;
      return (n = children.length) ? children[n - 1] : v.t;
    }
    function d3_layout_treeMove(wm, wp, shift) {
      var change = shift / (wp.i - wm.i);
      wp.c -= change;
      wp.s += shift;
      wm.c += change;
      wp.z += shift;
      wp.m += shift;
    }
    function d3_layout_treeShift(v) {
      var shift = 0, change = 0, children = v.children, i = children.length, w;
      while (--i >= 0) {
        w = children[i];
        w.z += shift;
        w.m += shift;
        shift += w.s + (change += w.c);
      }
    }
    function d3_layout_treeAncestor(vim, v, ancestor) {
      return vim.a.parent === v.parent ? vim.a : ancestor;
    }
    d3.layout.cluster = function() {
      var hierarchy = d3.layout.hierarchy().sort(null).value(null), separation = d3_layout_treeSeparation, size = [ 1, 1 ], nodeSize = false;
      function cluster(d, i) {
        var nodes = hierarchy.call(this, d, i), root = nodes[0], previousNode, x = 0;
        d3_layout_hierarchyVisitAfter(root, function(node) {
          var children = node.children;
          if (children && children.length) {
            node.x = d3_layout_clusterX(children);
            node.y = d3_layout_clusterY(children);
          } else {
            node.x = previousNode ? x += separation(node, previousNode) : 0;
            node.y = 0;
            previousNode = node;
          }
        });
        var left = d3_layout_clusterLeft(root), right = d3_layout_clusterRight(root), x0 = left.x - separation(left, right) / 2, x1 = right.x + separation(right, left) / 2;
        d3_layout_hierarchyVisitAfter(root, nodeSize ? function(node) {
          node.x = (node.x - root.x) * size[0];
          node.y = (root.y - node.y) * size[1];
        } : function(node) {
          node.x = (node.x - x0) / (x1 - x0) * size[0];
          node.y = (1 - (root.y ? node.y / root.y : 1)) * size[1];
        });
        return nodes;
      }
      cluster.separation = function(x) {
        if (!arguments.length) return separation;
        separation = x;
        return cluster;
      };
      cluster.size = function(x) {
        if (!arguments.length) return nodeSize ? null : size;
        nodeSize = (size = x) == null;
        return cluster;
      };
      cluster.nodeSize = function(x) {
        if (!arguments.length) return nodeSize ? size : null;
        nodeSize = (size = x) != null;
        return cluster;
      };
      return d3_layout_hierarchyRebind(cluster, hierarchy);
    };
    function d3_layout_clusterY(children) {
      return 1 + d3.max(children, function(child) {
        return child.y;
      });
    }
    function d3_layout_clusterX(children) {
      return children.reduce(function(x, child) {
        return x + child.x;
      }, 0) / children.length;
    }
    function d3_layout_clusterLeft(node) {
      var children = node.children;
      return children && children.length ? d3_layout_clusterLeft(children[0]) : node;
    }
    function d3_layout_clusterRight(node) {
      var children = node.children, n;
      return children && (n = children.length) ? d3_layout_clusterRight(children[n - 1]) : node;
    }
    d3.layout.treemap = function() {
      var hierarchy = d3.layout.hierarchy(), round = Math.round, size = [ 1, 1 ], padding = null, pad = d3_layout_treemapPadNull, sticky = false, stickies, mode = "squarify", ratio = .5 * (1 + Math.sqrt(5));
      function scale(children, k) {
        var i = -1, n = children.length, child, area;
        while (++i < n) {
          area = (child = children[i]).value * (k < 0 ? 0 : k);
          child.area = isNaN(area) || area <= 0 ? 0 : area;
        }
      }
      function squarify(node) {
        var children = node.children;
        if (children && children.length) {
          var rect = pad(node), row = [], remaining = children.slice(), child, best = Infinity, score, u = mode === "slice" ? rect.dx : mode === "dice" ? rect.dy : mode === "slice-dice" ? node.depth & 1 ? rect.dy : rect.dx : Math.min(rect.dx, rect.dy), n;
          scale(remaining, rect.dx * rect.dy / node.value);
          row.area = 0;
          while ((n = remaining.length) > 0) {
            row.push(child = remaining[n - 1]);
            row.area += child.area;
            if (mode !== "squarify" || (score = worst(row, u)) <= best) {
              remaining.pop();
              best = score;
            } else {
              row.area -= row.pop().area;
              position(row, u, rect, false);
              u = Math.min(rect.dx, rect.dy);
              row.length = row.area = 0;
              best = Infinity;
            }
          }
          if (row.length) {
            position(row, u, rect, true);
            row.length = row.area = 0;
          }
          children.forEach(squarify);
        }
      }
      function stickify(node) {
        var children = node.children;
        if (children && children.length) {
          var rect = pad(node), remaining = children.slice(), child, row = [];
          scale(remaining, rect.dx * rect.dy / node.value);
          row.area = 0;
          while (child = remaining.pop()) {
            row.push(child);
            row.area += child.area;
            if (child.z != null) {
              position(row, child.z ? rect.dx : rect.dy, rect, !remaining.length);
              row.length = row.area = 0;
            }
          }
          children.forEach(stickify);
        }
      }
      function worst(row, u) {
        var s = row.area, r, rmax = 0, rmin = Infinity, i = -1, n = row.length;
        while (++i < n) {
          if (!(r = row[i].area)) continue;
          if (r < rmin) rmin = r;
          if (r > rmax) rmax = r;
        }
        s *= s;
        u *= u;
        return s ? Math.max(u * rmax * ratio / s, s / (u * rmin * ratio)) : Infinity;
      }
      function position(row, u, rect, flush) {
        var i = -1, n = row.length, x = rect.x, y = rect.y, v = u ? round(row.area / u) : 0, o;
        if (u == rect.dx) {
          if (flush || v > rect.dy) v = rect.dy;
          while (++i < n) {
            o = row[i];
            o.x = x;
            o.y = y;
            o.dy = v;
            x += o.dx = Math.min(rect.x + rect.dx - x, v ? round(o.area / v) : 0);
          }
          o.z = true;
          o.dx += rect.x + rect.dx - x;
          rect.y += v;
          rect.dy -= v;
        } else {
          if (flush || v > rect.dx) v = rect.dx;
          while (++i < n) {
            o = row[i];
            o.x = x;
            o.y = y;
            o.dx = v;
            y += o.dy = Math.min(rect.y + rect.dy - y, v ? round(o.area / v) : 0);
          }
          o.z = false;
          o.dy += rect.y + rect.dy - y;
          rect.x += v;
          rect.dx -= v;
        }
      }
      function treemap(d) {
        var nodes = stickies || hierarchy(d), root = nodes[0];
        root.x = root.y = 0;
        if (root.value) root.dx = size[0], root.dy = size[1]; else root.dx = root.dy = 0;
        if (stickies) hierarchy.revalue(root);
        scale([ root ], root.dx * root.dy / root.value);
        (stickies ? stickify : squarify)(root);
        if (sticky) stickies = nodes;
        return nodes;
      }
      treemap.size = function(x) {
        if (!arguments.length) return size;
        size = x;
        return treemap;
      };
      treemap.padding = function(x) {
        if (!arguments.length) return padding;
        function padFunction(node) {
          var p = x.call(treemap, node, node.depth);
          return p == null ? d3_layout_treemapPadNull(node) : d3_layout_treemapPad(node, typeof p === "number" ? [ p, p, p, p ] : p);
        }
        function padConstant(node) {
          return d3_layout_treemapPad(node, x);
        }
        var type;
        pad = (padding = x) == null ? d3_layout_treemapPadNull : (type = typeof x) === "function" ? padFunction : type === "number" ? (x = [ x, x, x, x ], 
        padConstant) : padConstant;
        return treemap;
      };
      treemap.round = function(x) {
        if (!arguments.length) return round != Number;
        round = x ? Math.round : Number;
        return treemap;
      };
      treemap.sticky = function(x) {
        if (!arguments.length) return sticky;
        sticky = x;
        stickies = null;
        return treemap;
      };
      treemap.ratio = function(x) {
        if (!arguments.length) return ratio;
        ratio = x;
        return treemap;
      };
      treemap.mode = function(x) {
        if (!arguments.length) return mode;
        mode = x + "";
        return treemap;
      };
      return d3_layout_hierarchyRebind(treemap, hierarchy);
    };
    function d3_layout_treemapPadNull(node) {
      return {
        x: node.x,
        y: node.y,
        dx: node.dx,
        dy: node.dy
      };
    }
    function d3_layout_treemapPad(node, padding) {
      var x = node.x + padding[3], y = node.y + padding[0], dx = node.dx - padding[1] - padding[3], dy = node.dy - padding[0] - padding[2];
      if (dx < 0) {
        x += dx / 2;
        dx = 0;
      }
      if (dy < 0) {
        y += dy / 2;
        dy = 0;
      }
      return {
        x: x,
        y: y,
        dx: dx,
        dy: dy
      };
    }
    d3.random = {
      normal: function(µ, σ) {
        var n = arguments.length;
        if (n < 2) σ = 1;
        if (n < 1) µ = 0;
        return function() {
          var x, y, r;
          do {
            x = Math.random() * 2 - 1;
            y = Math.random() * 2 - 1;
            r = x * x + y * y;
          } while (!r || r > 1);
          return µ + σ * x * Math.sqrt(-2 * Math.log(r) / r);
        };
      },
      logNormal: function() {
        var random = d3.random.normal.apply(d3, arguments);
        return function() {
          return Math.exp(random());
        };
      },
      bates: function(m) {
        var random = d3.random.irwinHall(m);
        return function() {
          return random() / m;
        };
      },
      irwinHall: function(m) {
        return function() {
          for (var s = 0, j = 0; j < m; j++) s += Math.random();
          return s;
        };
      }
    };
    d3.scale = {};
    function d3_scaleExtent(domain) {
      var start = domain[0], stop = domain[domain.length - 1];
      return start < stop ? [ start, stop ] : [ stop, start ];
    }
    function d3_scaleRange(scale) {
      return scale.rangeExtent ? scale.rangeExtent() : d3_scaleExtent(scale.range());
    }
    function d3_scale_bilinear(domain, range, uninterpolate, interpolate) {
      var u = uninterpolate(domain[0], domain[1]), i = interpolate(range[0], range[1]);
      return function(x) {
        return i(u(x));
      };
    }
    function d3_scale_nice(domain, nice) {
      var i0 = 0, i1 = domain.length - 1, x0 = domain[i0], x1 = domain[i1], dx;
      if (x1 < x0) {
        dx = i0, i0 = i1, i1 = dx;
        dx = x0, x0 = x1, x1 = dx;
      }
      domain[i0] = nice.floor(x0);
      domain[i1] = nice.ceil(x1);
      return domain;
    }
    function d3_scale_niceStep(step) {
      return step ? {
        floor: function(x) {
          return Math.floor(x / step) * step;
        },
        ceil: function(x) {
          return Math.ceil(x / step) * step;
        }
      } : d3_scale_niceIdentity;
    }
    var d3_scale_niceIdentity = {
      floor: d3_identity,
      ceil: d3_identity
    };
    function d3_scale_polylinear(domain, range, uninterpolate, interpolate) {
      var u = [], i = [], j = 0, k = Math.min(domain.length, range.length) - 1;
      if (domain[k] < domain[0]) {
        domain = domain.slice().reverse();
        range = range.slice().reverse();
      }
      while (++j <= k) {
        u.push(uninterpolate(domain[j - 1], domain[j]));
        i.push(interpolate(range[j - 1], range[j]));
      }
      return function(x) {
        var j = d3.bisect(domain, x, 1, k) - 1;
        return i[j](u[j](x));
      };
    }
    d3.scale.linear = function() {
      return d3_scale_linear([ 0, 1 ], [ 0, 1 ], d3_interpolate, false);
    };
    function d3_scale_linear(domain, range, interpolate, clamp) {
      var output, input;
      function rescale() {
        var linear = Math.min(domain.length, range.length) > 2 ? d3_scale_polylinear : d3_scale_bilinear, uninterpolate = clamp ? d3_uninterpolateClamp : d3_uninterpolateNumber;
        output = linear(domain, range, uninterpolate, interpolate);
        input = linear(range, domain, uninterpolate, d3_interpolate);
        return scale;
      }
      function scale(x) {
        return output(x);
      }
      scale.invert = function(y) {
        return input(y);
      };
      scale.domain = function(x) {
        if (!arguments.length) return domain;
        domain = x.map(Number);
        return rescale();
      };
      scale.range = function(x) {
        if (!arguments.length) return range;
        range = x;
        return rescale();
      };
      scale.rangeRound = function(x) {
        return scale.range(x).interpolate(d3_interpolateRound);
      };
      scale.clamp = function(x) {
        if (!arguments.length) return clamp;
        clamp = x;
        return rescale();
      };
      scale.interpolate = function(x) {
        if (!arguments.length) return interpolate;
        interpolate = x;
        return rescale();
      };
      scale.ticks = function(m) {
        return d3_scale_linearTicks(domain, m);
      };
      scale.tickFormat = function(m, format) {
        return d3_scale_linearTickFormat(domain, m, format);
      };
      scale.nice = function(m) {
        d3_scale_linearNice(domain, m);
        return rescale();
      };
      scale.copy = function() {
        return d3_scale_linear(domain, range, interpolate, clamp);
      };
      return rescale();
    }
    function d3_scale_linearRebind(scale, linear) {
      return d3.rebind(scale, linear, "range", "rangeRound", "interpolate", "clamp");
    }
    function d3_scale_linearNice(domain, m) {
      d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
      d3_scale_nice(domain, d3_scale_niceStep(d3_scale_linearTickRange(domain, m)[2]));
      return domain;
    }
    function d3_scale_linearTickRange(domain, m) {
      if (m == null) m = 10;
      var extent = d3_scaleExtent(domain), span = extent[1] - extent[0], step = Math.pow(10, Math.floor(Math.log(span / m) / Math.LN10)), err = m / span * step;
      if (err <= .15) step *= 10; else if (err <= .35) step *= 5; else if (err <= .75) step *= 2;
      extent[0] = Math.ceil(extent[0] / step) * step;
      extent[1] = Math.floor(extent[1] / step) * step + step * .5;
      extent[2] = step;
      return extent;
    }
    function d3_scale_linearTicks(domain, m) {
      return d3.range.apply(d3, d3_scale_linearTickRange(domain, m));
    }
    function d3_scale_linearTickFormat(domain, m, format) {
      var range = d3_scale_linearTickRange(domain, m);
      if (format) {
        var match = d3_format_re.exec(format);
        match.shift();
        if (match[8] === "s") {
          var prefix = d3.formatPrefix(Math.max(abs(range[0]), abs(range[1])));
          if (!match[7]) match[7] = "." + d3_scale_linearPrecision(prefix.scale(range[2]));
          match[8] = "f";
          format = d3.format(match.join(""));
          return function(d) {
            return format(prefix.scale(d)) + prefix.symbol;
          };
        }
        if (!match[7]) match[7] = "." + d3_scale_linearFormatPrecision(match[8], range);
        format = match.join("");
      } else {
        format = ",." + d3_scale_linearPrecision(range[2]) + "f";
      }
      return d3.format(format);
    }
    var d3_scale_linearFormatSignificant = {
      s: 1,
      g: 1,
      p: 1,
      r: 1,
      e: 1
    };
    function d3_scale_linearPrecision(value) {
      return -Math.floor(Math.log(value) / Math.LN10 + .01);
    }
    function d3_scale_linearFormatPrecision(type, range) {
      var p = d3_scale_linearPrecision(range[2]);
      return type in d3_scale_linearFormatSignificant ? Math.abs(p - d3_scale_linearPrecision(Math.max(abs(range[0]), abs(range[1])))) + +(type !== "e") : p - (type === "%") * 2;
    }
    d3.scale.log = function() {
      return d3_scale_log(d3.scale.linear().domain([ 0, 1 ]), 10, true, [ 1, 10 ]);
    };
    function d3_scale_log(linear, base, positive, domain) {
      function log(x) {
        return (positive ? Math.log(x < 0 ? 0 : x) : -Math.log(x > 0 ? 0 : -x)) / Math.log(base);
      }
      function pow(x) {
        return positive ? Math.pow(base, x) : -Math.pow(base, -x);
      }
      function scale(x) {
        return linear(log(x));
      }
      scale.invert = function(x) {
        return pow(linear.invert(x));
      };
      scale.domain = function(x) {
        if (!arguments.length) return domain;
        positive = x[0] >= 0;
        linear.domain((domain = x.map(Number)).map(log));
        return scale;
      };
      scale.base = function(_) {
        if (!arguments.length) return base;
        base = +_;
        linear.domain(domain.map(log));
        return scale;
      };
      scale.nice = function() {
        var niced = d3_scale_nice(domain.map(log), positive ? Math : d3_scale_logNiceNegative);
        linear.domain(niced);
        domain = niced.map(pow);
        return scale;
      };
      scale.ticks = function() {
        var extent = d3_scaleExtent(domain), ticks = [], u = extent[0], v = extent[1], i = Math.floor(log(u)), j = Math.ceil(log(v)), n = base % 1 ? 2 : base;
        if (isFinite(j - i)) {
          if (positive) {
            for (;i < j; i++) for (var k = 1; k < n; k++) ticks.push(pow(i) * k);
            ticks.push(pow(i));
          } else {
            ticks.push(pow(i));
            for (;i++ < j; ) for (var k = n - 1; k > 0; k--) ticks.push(pow(i) * k);
          }
          for (i = 0; ticks[i] < u; i++) {}
          for (j = ticks.length; ticks[j - 1] > v; j--) {}
          ticks = ticks.slice(i, j);
        }
        return ticks;
      };
      scale.tickFormat = function(n, format) {
        if (!arguments.length) return d3_scale_logFormat;
        if (arguments.length < 2) format = d3_scale_logFormat; else if (typeof format !== "function") format = d3.format(format);
        var k = Math.max(1, base * n / scale.ticks().length);
        return function(d) {
          var i = d / pow(Math.round(log(d)));
          if (i * base < base - .5) i *= base;
          return i <= k ? format(d) : "";
        };
      };
      scale.copy = function() {
        return d3_scale_log(linear.copy(), base, positive, domain);
      };
      return d3_scale_linearRebind(scale, linear);
    }
    var d3_scale_logFormat = d3.format(".0e"), d3_scale_logNiceNegative = {
      floor: function(x) {
        return -Math.ceil(-x);
      },
      ceil: function(x) {
        return -Math.floor(-x);
      }
    };
    d3.scale.pow = function() {
      return d3_scale_pow(d3.scale.linear(), 1, [ 0, 1 ]);
    };
    function d3_scale_pow(linear, exponent, domain) {
      var powp = d3_scale_powPow(exponent), powb = d3_scale_powPow(1 / exponent);
      function scale(x) {
        return linear(powp(x));
      }
      scale.invert = function(x) {
        return powb(linear.invert(x));
      };
      scale.domain = function(x) {
        if (!arguments.length) return domain;
        linear.domain((domain = x.map(Number)).map(powp));
        return scale;
      };
      scale.ticks = function(m) {
        return d3_scale_linearTicks(domain, m);
      };
      scale.tickFormat = function(m, format) {
        return d3_scale_linearTickFormat(domain, m, format);
      };
      scale.nice = function(m) {
        return scale.domain(d3_scale_linearNice(domain, m));
      };
      scale.exponent = function(x) {
        if (!arguments.length) return exponent;
        powp = d3_scale_powPow(exponent = x);
        powb = d3_scale_powPow(1 / exponent);
        linear.domain(domain.map(powp));
        return scale;
      };
      scale.copy = function() {
        return d3_scale_pow(linear.copy(), exponent, domain);
      };
      return d3_scale_linearRebind(scale, linear);
    }
    function d3_scale_powPow(e) {
      return function(x) {
        return x < 0 ? -Math.pow(-x, e) : Math.pow(x, e);
      };
    }
    d3.scale.sqrt = function() {
      return d3.scale.pow().exponent(.5);
    };
    d3.scale.ordinal = function() {
      return d3_scale_ordinal([], {
        t: "range",
        a: [ [] ]
      });
    };
    function d3_scale_ordinal(domain, ranger) {
      var index, range, rangeBand;
      function scale(x) {
        return range[((index.get(x) || (ranger.t === "range" ? index.set(x, domain.push(x)) : NaN)) - 1) % range.length];
      }
      function steps(start, step) {
        return d3.range(domain.length).map(function(i) {
          return start + step * i;
        });
      }
      scale.domain = function(x) {
        if (!arguments.length) return domain;
        domain = [];
        index = new d3_Map();
        var i = -1, n = x.length, xi;
        while (++i < n) if (!index.has(xi = x[i])) index.set(xi, domain.push(xi));
        return scale[ranger.t].apply(scale, ranger.a);
      };
      scale.range = function(x) {
        if (!arguments.length) return range;
        range = x;
        rangeBand = 0;
        ranger = {
          t: "range",
          a: arguments
        };
        return scale;
      };
      scale.rangePoints = function(x, padding) {
        if (arguments.length < 2) padding = 0;
        var start = x[0], stop = x[1], step = domain.length < 2 ? (start = (start + stop) / 2, 
        0) : (stop - start) / (domain.length - 1 + padding);
        range = steps(start + step * padding / 2, step);
        rangeBand = 0;
        ranger = {
          t: "rangePoints",
          a: arguments
        };
        return scale;
      };
      scale.rangeRoundPoints = function(x, padding) {
        if (arguments.length < 2) padding = 0;
        var start = x[0], stop = x[1], step = domain.length < 2 ? (start = stop = Math.round((start + stop) / 2), 
        0) : (stop - start) / (domain.length - 1 + padding) | 0;
        range = steps(start + Math.round(step * padding / 2 + (stop - start - (domain.length - 1 + padding) * step) / 2), step);
        rangeBand = 0;
        ranger = {
          t: "rangeRoundPoints",
          a: arguments
        };
        return scale;
      };
      scale.rangeBands = function(x, padding, outerPadding) {
        if (arguments.length < 2) padding = 0;
        if (arguments.length < 3) outerPadding = padding;
        var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = (stop - start) / (domain.length - padding + 2 * outerPadding);
        range = steps(start + step * outerPadding, step);
        if (reverse) range.reverse();
        rangeBand = step * (1 - padding);
        ranger = {
          t: "rangeBands",
          a: arguments
        };
        return scale;
      };
      scale.rangeRoundBands = function(x, padding, outerPadding) {
        if (arguments.length < 2) padding = 0;
        if (arguments.length < 3) outerPadding = padding;
        var reverse = x[1] < x[0], start = x[reverse - 0], stop = x[1 - reverse], step = Math.floor((stop - start) / (domain.length - padding + 2 * outerPadding));
        range = steps(start + Math.round((stop - start - (domain.length - padding) * step) / 2), step);
        if (reverse) range.reverse();
        rangeBand = Math.round(step * (1 - padding));
        ranger = {
          t: "rangeRoundBands",
          a: arguments
        };
        return scale;
      };
      scale.rangeBand = function() {
        return rangeBand;
      };
      scale.rangeExtent = function() {
        return d3_scaleExtent(ranger.a[0]);
      };
      scale.copy = function() {
        return d3_scale_ordinal(domain, ranger);
      };
      return scale.domain(domain);
    }
    d3.scale.category10 = function() {
      return d3.scale.ordinal().range(d3_category10);
    };
    d3.scale.category20 = function() {
      return d3.scale.ordinal().range(d3_category20);
    };
    d3.scale.category20b = function() {
      return d3.scale.ordinal().range(d3_category20b);
    };
    d3.scale.category20c = function() {
      return d3.scale.ordinal().range(d3_category20c);
    };
    var d3_category10 = [ 2062260, 16744206, 2924588, 14034728, 9725885, 9197131, 14907330, 8355711, 12369186, 1556175 ].map(d3_rgbString);
    var d3_category20 = [ 2062260, 11454440, 16744206, 16759672, 2924588, 10018698, 14034728, 16750742, 9725885, 12955861, 9197131, 12885140, 14907330, 16234194, 8355711, 13092807, 12369186, 14408589, 1556175, 10410725 ].map(d3_rgbString);
    var d3_category20b = [ 3750777, 5395619, 7040719, 10264286, 6519097, 9216594, 11915115, 13556636, 9202993, 12426809, 15186514, 15190932, 8666169, 11356490, 14049643, 15177372, 8077683, 10834324, 13528509, 14589654 ].map(d3_rgbString);
    var d3_category20c = [ 3244733, 7057110, 10406625, 13032431, 15095053, 16616764, 16625259, 16634018, 3253076, 7652470, 10607003, 13101504, 7695281, 10394312, 12369372, 14342891, 6513507, 9868950, 12434877, 14277081 ].map(d3_rgbString);
    d3.scale.quantile = function() {
      return d3_scale_quantile([], []);
    };
    function d3_scale_quantile(domain, range) {
      var thresholds;
      function rescale() {
        var k = 0, q = range.length;
        thresholds = [];
        while (++k < q) thresholds[k - 1] = d3.quantile(domain, k / q);
        return scale;
      }
      function scale(x) {
        if (!isNaN(x = +x)) return range[d3.bisect(thresholds, x)];
      }
      scale.domain = function(x) {
        if (!arguments.length) return domain;
        domain = x.map(d3_number).filter(d3_numeric).sort(d3_ascending);
        return rescale();
      };
      scale.range = function(x) {
        if (!arguments.length) return range;
        range = x;
        return rescale();
      };
      scale.quantiles = function() {
        return thresholds;
      };
      scale.invertExtent = function(y) {
        y = range.indexOf(y);
        return y < 0 ? [ NaN, NaN ] : [ y > 0 ? thresholds[y - 1] : domain[0], y < thresholds.length ? thresholds[y] : domain[domain.length - 1] ];
      };
      scale.copy = function() {
        return d3_scale_quantile(domain, range);
      };
      return rescale();
    }
    d3.scale.quantize = function() {
      return d3_scale_quantize(0, 1, [ 0, 1 ]);
    };
    function d3_scale_quantize(x0, x1, range) {
      var kx, i;
      function scale(x) {
        return range[Math.max(0, Math.min(i, Math.floor(kx * (x - x0))))];
      }
      function rescale() {
        kx = range.length / (x1 - x0);
        i = range.length - 1;
        return scale;
      }
      scale.domain = function(x) {
        if (!arguments.length) return [ x0, x1 ];
        x0 = +x[0];
        x1 = +x[x.length - 1];
        return rescale();
      };
      scale.range = function(x) {
        if (!arguments.length) return range;
        range = x;
        return rescale();
      };
      scale.invertExtent = function(y) {
        y = range.indexOf(y);
        y = y < 0 ? NaN : y / kx + x0;
        return [ y, y + 1 / kx ];
      };
      scale.copy = function() {
        return d3_scale_quantize(x0, x1, range);
      };
      return rescale();
    }
    d3.scale.threshold = function() {
      return d3_scale_threshold([ .5 ], [ 0, 1 ]);
    };
    function d3_scale_threshold(domain, range) {
      function scale(x) {
        if (x <= x) return range[d3.bisect(domain, x)];
      }
      scale.domain = function(_) {
        if (!arguments.length) return domain;
        domain = _;
        return scale;
      };
      scale.range = function(_) {
        if (!arguments.length) return range;
        range = _;
        return scale;
      };
      scale.invertExtent = function(y) {
        y = range.indexOf(y);
        return [ domain[y - 1], domain[y] ];
      };
      scale.copy = function() {
        return d3_scale_threshold(domain, range);
      };
      return scale;
    }
    d3.scale.identity = function() {
      return d3_scale_identity([ 0, 1 ]);
    };
    function d3_scale_identity(domain) {
      function identity(x) {
        return +x;
      }
      identity.invert = identity;
      identity.domain = identity.range = function(x) {
        if (!arguments.length) return domain;
        domain = x.map(identity);
        return identity;
      };
      identity.ticks = function(m) {
        return d3_scale_linearTicks(domain, m);
      };
      identity.tickFormat = function(m, format) {
        return d3_scale_linearTickFormat(domain, m, format);
      };
      identity.copy = function() {
        return d3_scale_identity(domain);
      };
      return identity;
    }
    d3.svg = {};
    function d3_zero() {
      return 0;
    }
    d3.svg.arc = function() {
      var innerRadius = d3_svg_arcInnerRadius, outerRadius = d3_svg_arcOuterRadius, cornerRadius = d3_zero, padRadius = d3_svg_arcAuto, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle, padAngle = d3_svg_arcPadAngle;
      function arc() {
        var r0 = Math.max(0, +innerRadius.apply(this, arguments)), r1 = Math.max(0, +outerRadius.apply(this, arguments)), a0 = startAngle.apply(this, arguments) - halfπ, a1 = endAngle.apply(this, arguments) - halfπ, da = Math.abs(a1 - a0), cw = a0 > a1 ? 0 : 1;
        if (r1 < r0) rc = r1, r1 = r0, r0 = rc;
        if (da >= τε) return circleSegment(r1, cw) + (r0 ? circleSegment(r0, 1 - cw) : "") + "Z";
        var rc, cr, rp, ap, p0 = 0, p1 = 0, x0, y0, x1, y1, x2, y2, x3, y3, path = [];
        if (ap = (+padAngle.apply(this, arguments) || 0) / 2) {
          rp = padRadius === d3_svg_arcAuto ? Math.sqrt(r0 * r0 + r1 * r1) : +padRadius.apply(this, arguments);
          if (!cw) p1 *= -1;
          if (r1) p1 = d3_asin(rp / r1 * Math.sin(ap));
          if (r0) p0 = d3_asin(rp / r0 * Math.sin(ap));
        }
        if (r1) {
          x0 = r1 * Math.cos(a0 + p1);
          y0 = r1 * Math.sin(a0 + p1);
          x1 = r1 * Math.cos(a1 - p1);
          y1 = r1 * Math.sin(a1 - p1);
          var l1 = Math.abs(a1 - a0 - 2 * p1) <= π ? 0 : 1;
          if (p1 && d3_svg_arcSweep(x0, y0, x1, y1) === cw ^ l1) {
            var h1 = (a0 + a1) / 2;
            x0 = r1 * Math.cos(h1);
            y0 = r1 * Math.sin(h1);
            x1 = y1 = null;
          }
        } else {
          x0 = y0 = 0;
        }
        if (r0) {
          x2 = r0 * Math.cos(a1 - p0);
          y2 = r0 * Math.sin(a1 - p0);
          x3 = r0 * Math.cos(a0 + p0);
          y3 = r0 * Math.sin(a0 + p0);
          var l0 = Math.abs(a0 - a1 + 2 * p0) <= π ? 0 : 1;
          if (p0 && d3_svg_arcSweep(x2, y2, x3, y3) === 1 - cw ^ l0) {
            var h0 = (a0 + a1) / 2;
            x2 = r0 * Math.cos(h0);
            y2 = r0 * Math.sin(h0);
            x3 = y3 = null;
          }
        } else {
          x2 = y2 = 0;
        }
        if (da > ε && (rc = Math.min(Math.abs(r1 - r0) / 2, +cornerRadius.apply(this, arguments))) > .001) {
          cr = r0 < r1 ^ cw ? 0 : 1;
          var rc1 = rc, rc0 = rc;
          if (da < π) {
            var oc = x3 == null ? [ x2, y2 ] : x1 == null ? [ x0, y0 ] : d3_geom_polygonIntersect([ x0, y0 ], [ x3, y3 ], [ x1, y1 ], [ x2, y2 ]), ax = x0 - oc[0], ay = y0 - oc[1], bx = x1 - oc[0], by = y1 - oc[1], kc = 1 / Math.sin(Math.acos((ax * bx + ay * by) / (Math.sqrt(ax * ax + ay * ay) * Math.sqrt(bx * bx + by * by))) / 2), lc = Math.sqrt(oc[0] * oc[0] + oc[1] * oc[1]);
            rc0 = Math.min(rc, (r0 - lc) / (kc - 1));
            rc1 = Math.min(rc, (r1 - lc) / (kc + 1));
          }
          if (x1 != null) {
            var t30 = d3_svg_arcCornerTangents(x3 == null ? [ x2, y2 ] : [ x3, y3 ], [ x0, y0 ], r1, rc1, cw), t12 = d3_svg_arcCornerTangents([ x1, y1 ], [ x2, y2 ], r1, rc1, cw);
            if (rc === rc1) {
              path.push("M", t30[0], "A", rc1, ",", rc1, " 0 0,", cr, " ", t30[1], "A", r1, ",", r1, " 0 ", 1 - cw ^ d3_svg_arcSweep(t30[1][0], t30[1][1], t12[1][0], t12[1][1]), ",", cw, " ", t12[1], "A", rc1, ",", rc1, " 0 0,", cr, " ", t12[0]);
            } else {
              path.push("M", t30[0], "A", rc1, ",", rc1, " 0 1,", cr, " ", t12[0]);
            }
          } else {
            path.push("M", x0, ",", y0);
          }
          if (x3 != null) {
            var t03 = d3_svg_arcCornerTangents([ x0, y0 ], [ x3, y3 ], r0, -rc0, cw), t21 = d3_svg_arcCornerTangents([ x2, y2 ], x1 == null ? [ x0, y0 ] : [ x1, y1 ], r0, -rc0, cw);
            if (rc === rc0) {
              path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t21[1], "A", r0, ",", r0, " 0 ", cw ^ d3_svg_arcSweep(t21[1][0], t21[1][1], t03[1][0], t03[1][1]), ",", 1 - cw, " ", t03[1], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
            } else {
              path.push("L", t21[0], "A", rc0, ",", rc0, " 0 0,", cr, " ", t03[0]);
            }
          } else {
            path.push("L", x2, ",", y2);
          }
        } else {
          path.push("M", x0, ",", y0);
          if (x1 != null) path.push("A", r1, ",", r1, " 0 ", l1, ",", cw, " ", x1, ",", y1);
          path.push("L", x2, ",", y2);
          if (x3 != null) path.push("A", r0, ",", r0, " 0 ", l0, ",", 1 - cw, " ", x3, ",", y3);
        }
        path.push("Z");
        return path.join("");
      }
      function circleSegment(r1, cw) {
        return "M0," + r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + -r1 + "A" + r1 + "," + r1 + " 0 1," + cw + " 0," + r1;
      }
      arc.innerRadius = function(v) {
        if (!arguments.length) return innerRadius;
        innerRadius = d3_functor(v);
        return arc;
      };
      arc.outerRadius = function(v) {
        if (!arguments.length) return outerRadius;
        outerRadius = d3_functor(v);
        return arc;
      };
      arc.cornerRadius = function(v) {
        if (!arguments.length) return cornerRadius;
        cornerRadius = d3_functor(v);
        return arc;
      };
      arc.padRadius = function(v) {
        if (!arguments.length) return padRadius;
        padRadius = v == d3_svg_arcAuto ? d3_svg_arcAuto : d3_functor(v);
        return arc;
      };
      arc.startAngle = function(v) {
        if (!arguments.length) return startAngle;
        startAngle = d3_functor(v);
        return arc;
      };
      arc.endAngle = function(v) {
        if (!arguments.length) return endAngle;
        endAngle = d3_functor(v);
        return arc;
      };
      arc.padAngle = function(v) {
        if (!arguments.length) return padAngle;
        padAngle = d3_functor(v);
        return arc;
      };
      arc.centroid = function() {
        var r = (+innerRadius.apply(this, arguments) + +outerRadius.apply(this, arguments)) / 2, a = (+startAngle.apply(this, arguments) + +endAngle.apply(this, arguments)) / 2 - halfπ;
        return [ Math.cos(a) * r, Math.sin(a) * r ];
      };
      return arc;
    };
    var d3_svg_arcAuto = "auto";
    function d3_svg_arcInnerRadius(d) {
      return d.innerRadius;
    }
    function d3_svg_arcOuterRadius(d) {
      return d.outerRadius;
    }
    function d3_svg_arcStartAngle(d) {
      return d.startAngle;
    }
    function d3_svg_arcEndAngle(d) {
      return d.endAngle;
    }
    function d3_svg_arcPadAngle(d) {
      return d && d.padAngle;
    }
    function d3_svg_arcSweep(x0, y0, x1, y1) {
      return (x0 - x1) * y0 - (y0 - y1) * x0 > 0 ? 0 : 1;
    }
    function d3_svg_arcCornerTangents(p0, p1, r1, rc, cw) {
      var x01 = p0[0] - p1[0], y01 = p0[1] - p1[1], lo = (cw ? rc : -rc) / Math.sqrt(x01 * x01 + y01 * y01), ox = lo * y01, oy = -lo * x01, x1 = p0[0] + ox, y1 = p0[1] + oy, x2 = p1[0] + ox, y2 = p1[1] + oy, x3 = (x1 + x2) / 2, y3 = (y1 + y2) / 2, dx = x2 - x1, dy = y2 - y1, d2 = dx * dx + dy * dy, r = r1 - rc, D = x1 * y2 - x2 * y1, d = (dy < 0 ? -1 : 1) * Math.sqrt(Math.max(0, r * r * d2 - D * D)), cx0 = (D * dy - dx * d) / d2, cy0 = (-D * dx - dy * d) / d2, cx1 = (D * dy + dx * d) / d2, cy1 = (-D * dx + dy * d) / d2, dx0 = cx0 - x3, dy0 = cy0 - y3, dx1 = cx1 - x3, dy1 = cy1 - y3;
      if (dx0 * dx0 + dy0 * dy0 > dx1 * dx1 + dy1 * dy1) cx0 = cx1, cy0 = cy1;
      return [ [ cx0 - ox, cy0 - oy ], [ cx0 * r1 / r, cy0 * r1 / r ] ];
    }
    function d3_svg_line(projection) {
      var x = d3_geom_pointX, y = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, tension = .7;
      function line(data) {
        var segments = [], points = [], i = -1, n = data.length, d, fx = d3_functor(x), fy = d3_functor(y);
        function segment() {
          segments.push("M", interpolate(projection(points), tension));
        }
        while (++i < n) {
          if (defined.call(this, d = data[i], i)) {
            points.push([ +fx.call(this, d, i), +fy.call(this, d, i) ]);
          } else if (points.length) {
            segment();
            points = [];
          }
        }
        if (points.length) segment();
        return segments.length ? segments.join("") : null;
      }
      line.x = function(_) {
        if (!arguments.length) return x;
        x = _;
        return line;
      };
      line.y = function(_) {
        if (!arguments.length) return y;
        y = _;
        return line;
      };
      line.defined = function(_) {
        if (!arguments.length) return defined;
        defined = _;
        return line;
      };
      line.interpolate = function(_) {
        if (!arguments.length) return interpolateKey;
        if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
        return line;
      };
      line.tension = function(_) {
        if (!arguments.length) return tension;
        tension = _;
        return line;
      };
      return line;
    }
    d3.svg.line = function() {
      return d3_svg_line(d3_identity);
    };
    var d3_svg_lineInterpolators = d3.map({
      linear: d3_svg_lineLinear,
      "linear-closed": d3_svg_lineLinearClosed,
      step: d3_svg_lineStep,
      "step-before": d3_svg_lineStepBefore,
      "step-after": d3_svg_lineStepAfter,
      basis: d3_svg_lineBasis,
      "basis-open": d3_svg_lineBasisOpen,
      "basis-closed": d3_svg_lineBasisClosed,
      bundle: d3_svg_lineBundle,
      cardinal: d3_svg_lineCardinal,
      "cardinal-open": d3_svg_lineCardinalOpen,
      "cardinal-closed": d3_svg_lineCardinalClosed,
      monotone: d3_svg_lineMonotone
    });
    d3_svg_lineInterpolators.forEach(function(key, value) {
      value.key = key;
      value.closed = /-closed$/.test(key);
    });
    function d3_svg_lineLinear(points) {
      return points.length > 1 ? points.join("L") : points + "Z";
    }
    function d3_svg_lineLinearClosed(points) {
      return points.join("L") + "Z";
    }
    function d3_svg_lineStep(points) {
      var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
      while (++i < n) path.push("H", (p[0] + (p = points[i])[0]) / 2, "V", p[1]);
      if (n > 1) path.push("H", p[0]);
      return path.join("");
    }
    function d3_svg_lineStepBefore(points) {
      var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
      while (++i < n) path.push("V", (p = points[i])[1], "H", p[0]);
      return path.join("");
    }
    function d3_svg_lineStepAfter(points) {
      var i = 0, n = points.length, p = points[0], path = [ p[0], ",", p[1] ];
      while (++i < n) path.push("H", (p = points[i])[0], "V", p[1]);
      return path.join("");
    }
    function d3_svg_lineCardinalOpen(points, tension) {
      return points.length < 4 ? d3_svg_lineLinear(points) : points[1] + d3_svg_lineHermite(points.slice(1, -1), d3_svg_lineCardinalTangents(points, tension));
    }
    function d3_svg_lineCardinalClosed(points, tension) {
      return points.length < 3 ? d3_svg_lineLinearClosed(points) : points[0] + d3_svg_lineHermite((points.push(points[0]), 
      points), d3_svg_lineCardinalTangents([ points[points.length - 2] ].concat(points, [ points[1] ]), tension));
    }
    function d3_svg_lineCardinal(points, tension) {
      return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineCardinalTangents(points, tension));
    }
    function d3_svg_lineHermite(points, tangents) {
      if (tangents.length < 1 || points.length != tangents.length && points.length != tangents.length + 2) {
        return d3_svg_lineLinear(points);
      }
      var quad = points.length != tangents.length, path = "", p0 = points[0], p = points[1], t0 = tangents[0], t = t0, pi = 1;
      if (quad) {
        path += "Q" + (p[0] - t0[0] * 2 / 3) + "," + (p[1] - t0[1] * 2 / 3) + "," + p[0] + "," + p[1];
        p0 = points[1];
        pi = 2;
      }
      if (tangents.length > 1) {
        t = tangents[1];
        p = points[pi];
        pi++;
        path += "C" + (p0[0] + t0[0]) + "," + (p0[1] + t0[1]) + "," + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
        for (var i = 2; i < tangents.length; i++, pi++) {
          p = points[pi];
          t = tangents[i];
          path += "S" + (p[0] - t[0]) + "," + (p[1] - t[1]) + "," + p[0] + "," + p[1];
        }
      }
      if (quad) {
        var lp = points[pi];
        path += "Q" + (p[0] + t[0] * 2 / 3) + "," + (p[1] + t[1] * 2 / 3) + "," + lp[0] + "," + lp[1];
      }
      return path;
    }
    function d3_svg_lineCardinalTangents(points, tension) {
      var tangents = [], a = (1 - tension) / 2, p0, p1 = points[0], p2 = points[1], i = 1, n = points.length;
      while (++i < n) {
        p0 = p1;
        p1 = p2;
        p2 = points[i];
        tangents.push([ a * (p2[0] - p0[0]), a * (p2[1] - p0[1]) ]);
      }
      return tangents;
    }
    function d3_svg_lineBasis(points) {
      if (points.length < 3) return d3_svg_lineLinear(points);
      var i = 1, n = points.length, pi = points[0], x0 = pi[0], y0 = pi[1], px = [ x0, x0, x0, (pi = points[1])[0] ], py = [ y0, y0, y0, pi[1] ], path = [ x0, ",", y0, "L", d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
      points.push(points[n - 1]);
      while (++i <= n) {
        pi = points[i];
        px.shift();
        px.push(pi[0]);
        py.shift();
        py.push(pi[1]);
        d3_svg_lineBasisBezier(path, px, py);
      }
      points.pop();
      path.push("L", pi);
      return path.join("");
    }
    function d3_svg_lineBasisOpen(points) {
      if (points.length < 4) return d3_svg_lineLinear(points);
      var path = [], i = -1, n = points.length, pi, px = [ 0 ], py = [ 0 ];
      while (++i < 3) {
        pi = points[i];
        px.push(pi[0]);
        py.push(pi[1]);
      }
      path.push(d3_svg_lineDot4(d3_svg_lineBasisBezier3, px) + "," + d3_svg_lineDot4(d3_svg_lineBasisBezier3, py));
      --i;
      while (++i < n) {
        pi = points[i];
        px.shift();
        px.push(pi[0]);
        py.shift();
        py.push(pi[1]);
        d3_svg_lineBasisBezier(path, px, py);
      }
      return path.join("");
    }
    function d3_svg_lineBasisClosed(points) {
      var path, i = -1, n = points.length, m = n + 4, pi, px = [], py = [];
      while (++i < 4) {
        pi = points[i % n];
        px.push(pi[0]);
        py.push(pi[1]);
      }
      path = [ d3_svg_lineDot4(d3_svg_lineBasisBezier3, px), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, py) ];
      --i;
      while (++i < m) {
        pi = points[i % n];
        px.shift();
        px.push(pi[0]);
        py.shift();
        py.push(pi[1]);
        d3_svg_lineBasisBezier(path, px, py);
      }
      return path.join("");
    }
    function d3_svg_lineBundle(points, tension) {
      var n = points.length - 1;
      if (n) {
        var x0 = points[0][0], y0 = points[0][1], dx = points[n][0] - x0, dy = points[n][1] - y0, i = -1, p, t;
        while (++i <= n) {
          p = points[i];
          t = i / n;
          p[0] = tension * p[0] + (1 - tension) * (x0 + t * dx);
          p[1] = tension * p[1] + (1 - tension) * (y0 + t * dy);
        }
      }
      return d3_svg_lineBasis(points);
    }
    function d3_svg_lineDot4(a, b) {
      return a[0] * b[0] + a[1] * b[1] + a[2] * b[2] + a[3] * b[3];
    }
    var d3_svg_lineBasisBezier1 = [ 0, 2 / 3, 1 / 3, 0 ], d3_svg_lineBasisBezier2 = [ 0, 1 / 3, 2 / 3, 0 ], d3_svg_lineBasisBezier3 = [ 0, 1 / 6, 2 / 3, 1 / 6 ];
    function d3_svg_lineBasisBezier(path, x, y) {
      path.push("C", d3_svg_lineDot4(d3_svg_lineBasisBezier1, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier1, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier2, y), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, x), ",", d3_svg_lineDot4(d3_svg_lineBasisBezier3, y));
    }
    function d3_svg_lineSlope(p0, p1) {
      return (p1[1] - p0[1]) / (p1[0] - p0[0]);
    }
    function d3_svg_lineFiniteDifferences(points) {
      var i = 0, j = points.length - 1, m = [], p0 = points[0], p1 = points[1], d = m[0] = d3_svg_lineSlope(p0, p1);
      while (++i < j) {
        m[i] = (d + (d = d3_svg_lineSlope(p0 = p1, p1 = points[i + 1]))) / 2;
      }
      m[i] = d;
      return m;
    }
    function d3_svg_lineMonotoneTangents(points) {
      var tangents = [], d, a, b, s, m = d3_svg_lineFiniteDifferences(points), i = -1, j = points.length - 1;
      while (++i < j) {
        d = d3_svg_lineSlope(points[i], points[i + 1]);
        if (abs(d) < ε) {
          m[i] = m[i + 1] = 0;
        } else {
          a = m[i] / d;
          b = m[i + 1] / d;
          s = a * a + b * b;
          if (s > 9) {
            s = d * 3 / Math.sqrt(s);
            m[i] = s * a;
            m[i + 1] = s * b;
          }
        }
      }
      i = -1;
      while (++i <= j) {
        s = (points[Math.min(j, i + 1)][0] - points[Math.max(0, i - 1)][0]) / (6 * (1 + m[i] * m[i]));
        tangents.push([ s || 0, m[i] * s || 0 ]);
      }
      return tangents;
    }
    function d3_svg_lineMonotone(points) {
      return points.length < 3 ? d3_svg_lineLinear(points) : points[0] + d3_svg_lineHermite(points, d3_svg_lineMonotoneTangents(points));
    }
    d3.svg.line.radial = function() {
      var line = d3_svg_line(d3_svg_lineRadial);
      line.radius = line.x, delete line.x;
      line.angle = line.y, delete line.y;
      return line;
    };
    function d3_svg_lineRadial(points) {
      var point, i = -1, n = points.length, r, a;
      while (++i < n) {
        point = points[i];
        r = point[0];
        a = point[1] - halfπ;
        point[0] = r * Math.cos(a);
        point[1] = r * Math.sin(a);
      }
      return points;
    }
    function d3_svg_area(projection) {
      var x0 = d3_geom_pointX, x1 = d3_geom_pointX, y0 = 0, y1 = d3_geom_pointY, defined = d3_true, interpolate = d3_svg_lineLinear, interpolateKey = interpolate.key, interpolateReverse = interpolate, L = "L", tension = .7;
      function area(data) {
        var segments = [], points0 = [], points1 = [], i = -1, n = data.length, d, fx0 = d3_functor(x0), fy0 = d3_functor(y0), fx1 = x0 === x1 ? function() {
          return x;
        } : d3_functor(x1), fy1 = y0 === y1 ? function() {
          return y;
        } : d3_functor(y1), x, y;
        function segment() {
          segments.push("M", interpolate(projection(points1), tension), L, interpolateReverse(projection(points0.reverse()), tension), "Z");
        }
        while (++i < n) {
          if (defined.call(this, d = data[i], i)) {
            points0.push([ x = +fx0.call(this, d, i), y = +fy0.call(this, d, i) ]);
            points1.push([ +fx1.call(this, d, i), +fy1.call(this, d, i) ]);
          } else if (points0.length) {
            segment();
            points0 = [];
            points1 = [];
          }
        }
        if (points0.length) segment();
        return segments.length ? segments.join("") : null;
      }
      area.x = function(_) {
        if (!arguments.length) return x1;
        x0 = x1 = _;
        return area;
      };
      area.x0 = function(_) {
        if (!arguments.length) return x0;
        x0 = _;
        return area;
      };
      area.x1 = function(_) {
        if (!arguments.length) return x1;
        x1 = _;
        return area;
      };
      area.y = function(_) {
        if (!arguments.length) return y1;
        y0 = y1 = _;
        return area;
      };
      area.y0 = function(_) {
        if (!arguments.length) return y0;
        y0 = _;
        return area;
      };
      area.y1 = function(_) {
        if (!arguments.length) return y1;
        y1 = _;
        return area;
      };
      area.defined = function(_) {
        if (!arguments.length) return defined;
        defined = _;
        return area;
      };
      area.interpolate = function(_) {
        if (!arguments.length) return interpolateKey;
        if (typeof _ === "function") interpolateKey = interpolate = _; else interpolateKey = (interpolate = d3_svg_lineInterpolators.get(_) || d3_svg_lineLinear).key;
        interpolateReverse = interpolate.reverse || interpolate;
        L = interpolate.closed ? "M" : "L";
        return area;
      };
      area.tension = function(_) {
        if (!arguments.length) return tension;
        tension = _;
        return area;
      };
      return area;
    }
    d3_svg_lineStepBefore.reverse = d3_svg_lineStepAfter;
    d3_svg_lineStepAfter.reverse = d3_svg_lineStepBefore;
    d3.svg.area = function() {
      return d3_svg_area(d3_identity);
    };
    d3.svg.area.radial = function() {
      var area = d3_svg_area(d3_svg_lineRadial);
      area.radius = area.x, delete area.x;
      area.innerRadius = area.x0, delete area.x0;
      area.outerRadius = area.x1, delete area.x1;
      area.angle = area.y, delete area.y;
      area.startAngle = area.y0, delete area.y0;
      area.endAngle = area.y1, delete area.y1;
      return area;
    };
    d3.svg.chord = function() {
      var source = d3_source, target = d3_target, radius = d3_svg_chordRadius, startAngle = d3_svg_arcStartAngle, endAngle = d3_svg_arcEndAngle;
      function chord(d, i) {
        var s = subgroup(this, source, d, i), t = subgroup(this, target, d, i);
        return "M" + s.p0 + arc(s.r, s.p1, s.a1 - s.a0) + (equals(s, t) ? curve(s.r, s.p1, s.r, s.p0) : curve(s.r, s.p1, t.r, t.p0) + arc(t.r, t.p1, t.a1 - t.a0) + curve(t.r, t.p1, s.r, s.p0)) + "Z";
      }
      function subgroup(self, f, d, i) {
        var subgroup = f.call(self, d, i), r = radius.call(self, subgroup, i), a0 = startAngle.call(self, subgroup, i) - halfπ, a1 = endAngle.call(self, subgroup, i) - halfπ;
        return {
          r: r,
          a0: a0,
          a1: a1,
          p0: [ r * Math.cos(a0), r * Math.sin(a0) ],
          p1: [ r * Math.cos(a1), r * Math.sin(a1) ]
        };
      }
      function equals(a, b) {
        return a.a0 == b.a0 && a.a1 == b.a1;
      }
      function arc(r, p, a) {
        return "A" + r + "," + r + " 0 " + +(a > π) + ",1 " + p;
      }
      function curve(r0, p0, r1, p1) {
        return "Q 0,0 " + p1;
      }
      chord.radius = function(v) {
        if (!arguments.length) return radius;
        radius = d3_functor(v);
        return chord;
      };
      chord.source = function(v) {
        if (!arguments.length) return source;
        source = d3_functor(v);
        return chord;
      };
      chord.target = function(v) {
        if (!arguments.length) return target;
        target = d3_functor(v);
        return chord;
      };
      chord.startAngle = function(v) {
        if (!arguments.length) return startAngle;
        startAngle = d3_functor(v);
        return chord;
      };
      chord.endAngle = function(v) {
        if (!arguments.length) return endAngle;
        endAngle = d3_functor(v);
        return chord;
      };
      return chord;
    };
    function d3_svg_chordRadius(d) {
      return d.radius;
    }
    d3.svg.diagonal = function() {
      var source = d3_source, target = d3_target, projection = d3_svg_diagonalProjection;
      function diagonal(d, i) {
        var p0 = source.call(this, d, i), p3 = target.call(this, d, i), m = (p0.y + p3.y) / 2, p = [ p0, {
          x: p0.x,
          y: m
        }, {
          x: p3.x,
          y: m
        }, p3 ];
        p = p.map(projection);
        return "M" + p[0] + "C" + p[1] + " " + p[2] + " " + p[3];
      }
      diagonal.source = function(x) {
        if (!arguments.length) return source;
        source = d3_functor(x);
        return diagonal;
      };
      diagonal.target = function(x) {
        if (!arguments.length) return target;
        target = d3_functor(x);
        return diagonal;
      };
      diagonal.projection = function(x) {
        if (!arguments.length) return projection;
        projection = x;
        return diagonal;
      };
      return diagonal;
    };
    function d3_svg_diagonalProjection(d) {
      return [ d.x, d.y ];
    }
    d3.svg.diagonal.radial = function() {
      var diagonal = d3.svg.diagonal(), projection = d3_svg_diagonalProjection, projection_ = diagonal.projection;
      diagonal.projection = function(x) {
        return arguments.length ? projection_(d3_svg_diagonalRadialProjection(projection = x)) : projection;
      };
      return diagonal;
    };
    function d3_svg_diagonalRadialProjection(projection) {
      return function() {
        var d = projection.apply(this, arguments), r = d[0], a = d[1] - halfπ;
        return [ r * Math.cos(a), r * Math.sin(a) ];
      };
    }
    d3.svg.symbol = function() {
      var type = d3_svg_symbolType, size = d3_svg_symbolSize;
      function symbol(d, i) {
        return (d3_svg_symbols.get(type.call(this, d, i)) || d3_svg_symbolCircle)(size.call(this, d, i));
      }
      symbol.type = function(x) {
        if (!arguments.length) return type;
        type = d3_functor(x);
        return symbol;
      };
      symbol.size = function(x) {
        if (!arguments.length) return size;
        size = d3_functor(x);
        return symbol;
      };
      return symbol;
    };
    function d3_svg_symbolSize() {
      return 64;
    }
    function d3_svg_symbolType() {
      return "circle";
    }
    function d3_svg_symbolCircle(size) {
      var r = Math.sqrt(size / π);
      return "M0," + r + "A" + r + "," + r + " 0 1,1 0," + -r + "A" + r + "," + r + " 0 1,1 0," + r + "Z";
    }
    var d3_svg_symbols = d3.map({
      circle: d3_svg_symbolCircle,
      cross: function(size) {
        var r = Math.sqrt(size / 5) / 2;
        return "M" + -3 * r + "," + -r + "H" + -r + "V" + -3 * r + "H" + r + "V" + -r + "H" + 3 * r + "V" + r + "H" + r + "V" + 3 * r + "H" + -r + "V" + r + "H" + -3 * r + "Z";
      },
      diamond: function(size) {
        var ry = Math.sqrt(size / (2 * d3_svg_symbolTan30)), rx = ry * d3_svg_symbolTan30;
        return "M0," + -ry + "L" + rx + ",0" + " 0," + ry + " " + -rx + ",0" + "Z";
      },
      square: function(size) {
        var r = Math.sqrt(size) / 2;
        return "M" + -r + "," + -r + "L" + r + "," + -r + " " + r + "," + r + " " + -r + "," + r + "Z";
      },
      "triangle-down": function(size) {
        var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
        return "M0," + ry + "L" + rx + "," + -ry + " " + -rx + "," + -ry + "Z";
      },
      "triangle-up": function(size) {
        var rx = Math.sqrt(size / d3_svg_symbolSqrt3), ry = rx * d3_svg_symbolSqrt3 / 2;
        return "M0," + -ry + "L" + rx + "," + ry + " " + -rx + "," + ry + "Z";
      }
    });
    d3.svg.symbolTypes = d3_svg_symbols.keys();
    var d3_svg_symbolSqrt3 = Math.sqrt(3), d3_svg_symbolTan30 = Math.tan(30 * d3_radians);
    d3_selectionPrototype.transition = function(name) {
      var id = d3_transitionInheritId || ++d3_transitionId, ns = d3_transitionNamespace(name), subgroups = [], subgroup, node, transition = d3_transitionInherit || {
        time: Date.now(),
        ease: d3_ease_cubicInOut,
        delay: 0,
        duration: 250
      };
      for (var j = -1, m = this.length; ++j < m; ) {
        subgroups.push(subgroup = []);
        for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
          if (node = group[i]) d3_transitionNode(node, i, ns, id, transition);
          subgroup.push(node);
        }
      }
      return d3_transition(subgroups, ns, id);
    };
    d3_selectionPrototype.interrupt = function(name) {
      return this.each(name == null ? d3_selection_interrupt : d3_selection_interruptNS(d3_transitionNamespace(name)));
    };
    var d3_selection_interrupt = d3_selection_interruptNS(d3_transitionNamespace());
    function d3_selection_interruptNS(ns) {
      return function() {
        var lock, activeId, active;
        if ((lock = this[ns]) && (active = lock[activeId = lock.active])) {
          active.timer.c = null;
          active.timer.t = NaN;
          if (--lock.count) delete lock[activeId]; else delete this[ns];
          lock.active += .5;
          active.event && active.event.interrupt.call(this, this.__data__, active.index);
        }
      };
    }
    function d3_transition(groups, ns, id) {
      d3_subclass(groups, d3_transitionPrototype);
      groups.namespace = ns;
      groups.id = id;
      return groups;
    }
    var d3_transitionPrototype = [], d3_transitionId = 0, d3_transitionInheritId, d3_transitionInherit;
    d3_transitionPrototype.call = d3_selectionPrototype.call;
    d3_transitionPrototype.empty = d3_selectionPrototype.empty;
    d3_transitionPrototype.node = d3_selectionPrototype.node;
    d3_transitionPrototype.size = d3_selectionPrototype.size;
    d3.transition = function(selection, name) {
      return selection && selection.transition ? d3_transitionInheritId ? selection.transition(name) : selection : d3.selection().transition(selection);
    };
    d3.transition.prototype = d3_transitionPrototype;
    d3_transitionPrototype.select = function(selector) {
      var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnode, node;
      selector = d3_selection_selector(selector);
      for (var j = -1, m = this.length; ++j < m; ) {
        subgroups.push(subgroup = []);
        for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
          if ((node = group[i]) && (subnode = selector.call(node, node.__data__, i, j))) {
            if ("__data__" in node) subnode.__data__ = node.__data__;
            d3_transitionNode(subnode, i, ns, id, node[ns][id]);
            subgroup.push(subnode);
          } else {
            subgroup.push(null);
          }
        }
      }
      return d3_transition(subgroups, ns, id);
    };
    d3_transitionPrototype.selectAll = function(selector) {
      var id = this.id, ns = this.namespace, subgroups = [], subgroup, subnodes, node, subnode, transition;
      selector = d3_selection_selectorAll(selector);
      for (var j = -1, m = this.length; ++j < m; ) {
        for (var group = this[j], i = -1, n = group.length; ++i < n; ) {
          if (node = group[i]) {
            transition = node[ns][id];
            subnodes = selector.call(node, node.__data__, i, j);
            subgroups.push(subgroup = []);
            for (var k = -1, o = subnodes.length; ++k < o; ) {
              if (subnode = subnodes[k]) d3_transitionNode(subnode, k, ns, id, transition);
              subgroup.push(subnode);
            }
          }
        }
      }
      return d3_transition(subgroups, ns, id);
    };
    d3_transitionPrototype.filter = function(filter) {
      var subgroups = [], subgroup, group, node;
      if (typeof filter !== "function") filter = d3_selection_filter(filter);
      for (var j = 0, m = this.length; j < m; j++) {
        subgroups.push(subgroup = []);
        for (var group = this[j], i = 0, n = group.length; i < n; i++) {
          if ((node = group[i]) && filter.call(node, node.__data__, i, j)) {
            subgroup.push(node);
          }
        }
      }
      return d3_transition(subgroups, this.namespace, this.id);
    };
    d3_transitionPrototype.tween = function(name, tween) {
      var id = this.id, ns = this.namespace;
      if (arguments.length < 2) return this.node()[ns][id].tween.get(name);
      return d3_selection_each(this, tween == null ? function(node) {
        node[ns][id].tween.remove(name);
      } : function(node) {
        node[ns][id].tween.set(name, tween);
      });
    };
    function d3_transition_tween(groups, name, value, tween) {
      var id = groups.id, ns = groups.namespace;
      return d3_selection_each(groups, typeof value === "function" ? function(node, i, j) {
        node[ns][id].tween.set(name, tween(value.call(node, node.__data__, i, j)));
      } : (value = tween(value), function(node) {
        node[ns][id].tween.set(name, value);
      }));
    }
    d3_transitionPrototype.attr = function(nameNS, value) {
      if (arguments.length < 2) {
        for (value in nameNS) this.attr(value, nameNS[value]);
        return this;
      }
      var interpolate = nameNS == "transform" ? d3_interpolateTransform : d3_interpolate, name = d3.ns.qualify(nameNS);
      function attrNull() {
        this.removeAttribute(name);
      }
      function attrNullNS() {
        this.removeAttributeNS(name.space, name.local);
      }
      function attrTween(b) {
        return b == null ? attrNull : (b += "", function() {
          var a = this.getAttribute(name), i;
          return a !== b && (i = interpolate(a, b), function(t) {
            this.setAttribute(name, i(t));
          });
        });
      }
      function attrTweenNS(b) {
        return b == null ? attrNullNS : (b += "", function() {
          var a = this.getAttributeNS(name.space, name.local), i;
          return a !== b && (i = interpolate(a, b), function(t) {
            this.setAttributeNS(name.space, name.local, i(t));
          });
        });
      }
      return d3_transition_tween(this, "attr." + nameNS, value, name.local ? attrTweenNS : attrTween);
    };
    d3_transitionPrototype.attrTween = function(nameNS, tween) {
      var name = d3.ns.qualify(nameNS);
      function attrTween(d, i) {
        var f = tween.call(this, d, i, this.getAttribute(name));
        return f && function(t) {
          this.setAttribute(name, f(t));
        };
      }
      function attrTweenNS(d, i) {
        var f = tween.call(this, d, i, this.getAttributeNS(name.space, name.local));
        return f && function(t) {
          this.setAttributeNS(name.space, name.local, f(t));
        };
      }
      return this.tween("attr." + nameNS, name.local ? attrTweenNS : attrTween);
    };
    d3_transitionPrototype.style = function(name, value, priority) {
      var n = arguments.length;
      if (n < 3) {
        if (typeof name !== "string") {
          if (n < 2) value = "";
          for (priority in name) this.style(priority, name[priority], value);
          return this;
        }
        priority = "";
      }
      function styleNull() {
        this.style.removeProperty(name);
      }
      function styleString(b) {
        return b == null ? styleNull : (b += "", function() {
          var a = d3_window(this).getComputedStyle(this, null).getPropertyValue(name), i;
          return a !== b && (i = d3_interpolate(a, b), function(t) {
            this.style.setProperty(name, i(t), priority);
          });
        });
      }
      return d3_transition_tween(this, "style." + name, value, styleString);
    };
    d3_transitionPrototype.styleTween = function(name, tween, priority) {
      if (arguments.length < 3) priority = "";
      function styleTween(d, i) {
        var f = tween.call(this, d, i, d3_window(this).getComputedStyle(this, null).getPropertyValue(name));
        return f && function(t) {
          this.style.setProperty(name, f(t), priority);
        };
      }
      return this.tween("style." + name, styleTween);
    };
    d3_transitionPrototype.text = function(value) {
      return d3_transition_tween(this, "text", value, d3_transition_text);
    };
    function d3_transition_text(b) {
      if (b == null) b = "";
      return function() {
        this.textContent = b;
      };
    }
    d3_transitionPrototype.remove = function() {
      var ns = this.namespace;
      return this.each("end.transition", function() {
        var p;
        if (this[ns].count < 2 && (p = this.parentNode)) p.removeChild(this);
      });
    };
    d3_transitionPrototype.ease = function(value) {
      var id = this.id, ns = this.namespace;
      if (arguments.length < 1) return this.node()[ns][id].ease;
      if (typeof value !== "function") value = d3.ease.apply(d3, arguments);
      return d3_selection_each(this, function(node) {
        node[ns][id].ease = value;
      });
    };
    d3_transitionPrototype.delay = function(value) {
      var id = this.id, ns = this.namespace;
      if (arguments.length < 1) return this.node()[ns][id].delay;
      return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
        node[ns][id].delay = +value.call(node, node.__data__, i, j);
      } : (value = +value, function(node) {
        node[ns][id].delay = value;
      }));
    };
    d3_transitionPrototype.duration = function(value) {
      var id = this.id, ns = this.namespace;
      if (arguments.length < 1) return this.node()[ns][id].duration;
      return d3_selection_each(this, typeof value === "function" ? function(node, i, j) {
        node[ns][id].duration = Math.max(1, value.call(node, node.__data__, i, j));
      } : (value = Math.max(1, value), function(node) {
        node[ns][id].duration = value;
      }));
    };
    d3_transitionPrototype.each = function(type, listener) {
      var id = this.id, ns = this.namespace;
      if (arguments.length < 2) {
        var inherit = d3_transitionInherit, inheritId = d3_transitionInheritId;
        try {
          d3_transitionInheritId = id;
          d3_selection_each(this, function(node, i, j) {
            d3_transitionInherit = node[ns][id];
            type.call(node, node.__data__, i, j);
          });
        } finally {
          d3_transitionInherit = inherit;
          d3_transitionInheritId = inheritId;
        }
      } else {
        d3_selection_each(this, function(node) {
          var transition = node[ns][id];
          (transition.event || (transition.event = d3.dispatch("start", "end", "interrupt"))).on(type, listener);
        });
      }
      return this;
    };
    d3_transitionPrototype.transition = function() {
      var id0 = this.id, id1 = ++d3_transitionId, ns = this.namespace, subgroups = [], subgroup, group, node, transition;
      for (var j = 0, m = this.length; j < m; j++) {
        subgroups.push(subgroup = []);
        for (var group = this[j], i = 0, n = group.length; i < n; i++) {
          if (node = group[i]) {
            transition = node[ns][id0];
            d3_transitionNode(node, i, ns, id1, {
              time: transition.time,
              ease: transition.ease,
              delay: transition.delay + transition.duration,
              duration: transition.duration
            });
          }
          subgroup.push(node);
        }
      }
      return d3_transition(subgroups, ns, id1);
    };
    function d3_transitionNamespace(name) {
      return name == null ? "__transition__" : "__transition_" + name + "__";
    }
    function d3_transitionNode(node, i, ns, id, inherit) {
      var lock = node[ns] || (node[ns] = {
        active: 0,
        count: 0
      }), transition = lock[id], time, timer, duration, ease, tweens;
      function schedule(elapsed) {
        var delay = transition.delay;
        timer.t = delay + time;
        if (delay <= elapsed) return start(elapsed - delay);
        timer.c = start;
      }
      function start(elapsed) {
        var activeId = lock.active, active = lock[activeId];
        if (active) {
          active.timer.c = null;
          active.timer.t = NaN;
          --lock.count;
          delete lock[activeId];
          active.event && active.event.interrupt.call(node, node.__data__, active.index);
        }
        for (var cancelId in lock) {
          if (+cancelId < id) {
            var cancel = lock[cancelId];
            cancel.timer.c = null;
            cancel.timer.t = NaN;
            --lock.count;
            delete lock[cancelId];
          }
        }
        timer.c = tick;
        d3_timer(function() {
          if (timer.c && tick(elapsed || 1)) {
            timer.c = null;
            timer.t = NaN;
          }
          return 1;
        }, 0, time);
        lock.active = id;
        transition.event && transition.event.start.call(node, node.__data__, i);
        tweens = [];
        transition.tween.forEach(function(key, value) {
          if (value = value.call(node, node.__data__, i)) {
            tweens.push(value);
          }
        });
        ease = transition.ease;
        duration = transition.duration;
      }
      function tick(elapsed) {
        var t = elapsed / duration, e = ease(t), n = tweens.length;
        while (n > 0) {
          tweens[--n].call(node, e);
        }
        if (t >= 1) {
          transition.event && transition.event.end.call(node, node.__data__, i);
          if (--lock.count) delete lock[id]; else delete node[ns];
          return 1;
        }
      }
      if (!transition) {
        time = inherit.time;
        timer = d3_timer(schedule, 0, time);
        transition = lock[id] = {
          tween: new d3_Map(),
          time: time,
          timer: timer,
          delay: inherit.delay,
          duration: inherit.duration,
          ease: inherit.ease,
          index: i
        };
        inherit = null;
        ++lock.count;
      }
    }
    d3.svg.axis = function() {
      var scale = d3.scale.linear(), orient = d3_svg_axisDefaultOrient, innerTickSize = 6, outerTickSize = 6, tickPadding = 3, tickArguments_ = [ 10 ], tickValues = null, tickFormat_;
      function axis(g) {
        g.each(function() {
          var g = d3.select(this);
          var scale0 = this.__chart__ || scale, scale1 = this.__chart__ = scale.copy();
          var ticks = tickValues == null ? scale1.ticks ? scale1.ticks.apply(scale1, tickArguments_) : scale1.domain() : tickValues, tickFormat = tickFormat_ == null ? scale1.tickFormat ? scale1.tickFormat.apply(scale1, tickArguments_) : d3_identity : tickFormat_, tick = g.selectAll(".tick").data(ticks, scale1), tickEnter = tick.enter().insert("g", ".domain").attr("class", "tick").style("opacity", ε), tickExit = d3.transition(tick.exit()).style("opacity", ε).remove(), tickUpdate = d3.transition(tick.order()).style("opacity", 1), tickSpacing = Math.max(innerTickSize, 0) + tickPadding, tickTransform;
          var range = d3_scaleRange(scale1), path = g.selectAll(".domain").data([ 0 ]), pathUpdate = (path.enter().append("path").attr("class", "domain"), 
          d3.transition(path));
          tickEnter.append("line");
          tickEnter.append("text");
          var lineEnter = tickEnter.select("line"), lineUpdate = tickUpdate.select("line"), text = tick.select("text").text(tickFormat), textEnter = tickEnter.select("text"), textUpdate = tickUpdate.select("text"), sign = orient === "top" || orient === "left" ? -1 : 1, x1, x2, y1, y2;
          if (orient === "bottom" || orient === "top") {
            tickTransform = d3_svg_axisX, x1 = "x", y1 = "y", x2 = "x2", y2 = "y2";
            text.attr("dy", sign < 0 ? "0em" : ".71em").style("text-anchor", "middle");
            pathUpdate.attr("d", "M" + range[0] + "," + sign * outerTickSize + "V0H" + range[1] + "V" + sign * outerTickSize);
          } else {
            tickTransform = d3_svg_axisY, x1 = "y", y1 = "x", x2 = "y2", y2 = "x2";
            text.attr("dy", ".32em").style("text-anchor", sign < 0 ? "end" : "start");
            pathUpdate.attr("d", "M" + sign * outerTickSize + "," + range[0] + "H0V" + range[1] + "H" + sign * outerTickSize);
          }
          lineEnter.attr(y2, sign * innerTickSize);
          textEnter.attr(y1, sign * tickSpacing);
          lineUpdate.attr(x2, 0).attr(y2, sign * innerTickSize);
          textUpdate.attr(x1, 0).attr(y1, sign * tickSpacing);
          if (scale1.rangeBand) {
            var x = scale1, dx = x.rangeBand() / 2;
            scale0 = scale1 = function(d) {
              return x(d) + dx;
            };
          } else if (scale0.rangeBand) {
            scale0 = scale1;
          } else {
            tickExit.call(tickTransform, scale1, scale0);
          }
          tickEnter.call(tickTransform, scale0, scale1);
          tickUpdate.call(tickTransform, scale1, scale1);
        });
      }
      axis.scale = function(x) {
        if (!arguments.length) return scale;
        scale = x;
        return axis;
      };
      axis.orient = function(x) {
        if (!arguments.length) return orient;
        orient = x in d3_svg_axisOrients ? x + "" : d3_svg_axisDefaultOrient;
        return axis;
      };
      axis.ticks = function() {
        if (!arguments.length) return tickArguments_;
        tickArguments_ = d3_array(arguments);
        return axis;
      };
      axis.tickValues = function(x) {
        if (!arguments.length) return tickValues;
        tickValues = x;
        return axis;
      };
      axis.tickFormat = function(x) {
        if (!arguments.length) return tickFormat_;
        tickFormat_ = x;
        return axis;
      };
      axis.tickSize = function(x) {
        var n = arguments.length;
        if (!n) return innerTickSize;
        innerTickSize = +x;
        outerTickSize = +arguments[n - 1];
        return axis;
      };
      axis.innerTickSize = function(x) {
        if (!arguments.length) return innerTickSize;
        innerTickSize = +x;
        return axis;
      };
      axis.outerTickSize = function(x) {
        if (!arguments.length) return outerTickSize;
        outerTickSize = +x;
        return axis;
      };
      axis.tickPadding = function(x) {
        if (!arguments.length) return tickPadding;
        tickPadding = +x;
        return axis;
      };
      axis.tickSubdivide = function() {
        return arguments.length && axis;
      };
      return axis;
    };
    var d3_svg_axisDefaultOrient = "bottom", d3_svg_axisOrients = {
      top: 1,
      right: 1,
      bottom: 1,
      left: 1
    };
    function d3_svg_axisX(selection, x0, x1) {
      selection.attr("transform", function(d) {
        var v0 = x0(d);
        return "translate(" + (isFinite(v0) ? v0 : x1(d)) + ",0)";
      });
    }
    function d3_svg_axisY(selection, y0, y1) {
      selection.attr("transform", function(d) {
        var v0 = y0(d);
        return "translate(0," + (isFinite(v0) ? v0 : y1(d)) + ")";
      });
    }
    d3.svg.brush = function() {
      var event = d3_eventDispatch(brush, "brushstart", "brush", "brushend"), x = null, y = null, xExtent = [ 0, 0 ], yExtent = [ 0, 0 ], xExtentDomain, yExtentDomain, xClamp = true, yClamp = true, resizes = d3_svg_brushResizes[0];
      function brush(g) {
        g.each(function() {
          var g = d3.select(this).style("pointer-events", "all").style("-webkit-tap-highlight-color", "rgba(0,0,0,0)").on("mousedown.brush", brushstart).on("touchstart.brush", brushstart);
          var background = g.selectAll(".background").data([ 0 ]);
          background.enter().append("rect").attr("class", "background").style("visibility", "hidden").style("cursor", "crosshair");
          g.selectAll(".extent").data([ 0 ]).enter().append("rect").attr("class", "extent").style("cursor", "move");
          var resize = g.selectAll(".resize").data(resizes, d3_identity);
          resize.exit().remove();
          resize.enter().append("g").attr("class", function(d) {
            return "resize " + d;
          }).style("cursor", function(d) {
            return d3_svg_brushCursor[d];
          }).append("rect").attr("x", function(d) {
            return /[ew]$/.test(d) ? -3 : null;
          }).attr("y", function(d) {
            return /^[ns]/.test(d) ? -3 : null;
          }).attr("width", 6).attr("height", 6).style("visibility", "hidden");
          resize.style("display", brush.empty() ? "none" : null);
          var gUpdate = d3.transition(g), backgroundUpdate = d3.transition(background), range;
          if (x) {
            range = d3_scaleRange(x);
            backgroundUpdate.attr("x", range[0]).attr("width", range[1] - range[0]);
            redrawX(gUpdate);
          }
          if (y) {
            range = d3_scaleRange(y);
            backgroundUpdate.attr("y", range[0]).attr("height", range[1] - range[0]);
            redrawY(gUpdate);
          }
          redraw(gUpdate);
        });
      }
      brush.event = function(g) {
        g.each(function() {
          var event_ = event.of(this, arguments), extent1 = {
            x: xExtent,
            y: yExtent,
            i: xExtentDomain,
            j: yExtentDomain
          }, extent0 = this.__chart__ || extent1;
          this.__chart__ = extent1;
          if (d3_transitionInheritId) {
            d3.select(this).transition().each("start.brush", function() {
              xExtentDomain = extent0.i;
              yExtentDomain = extent0.j;
              xExtent = extent0.x;
              yExtent = extent0.y;
              event_({
                type: "brushstart"
              });
            }).tween("brush:brush", function() {
              var xi = d3_interpolateArray(xExtent, extent1.x), yi = d3_interpolateArray(yExtent, extent1.y);
              xExtentDomain = yExtentDomain = null;
              return function(t) {
                xExtent = extent1.x = xi(t);
                yExtent = extent1.y = yi(t);
                event_({
                  type: "brush",
                  mode: "resize"
                });
              };
            }).each("end.brush", function() {
              xExtentDomain = extent1.i;
              yExtentDomain = extent1.j;
              event_({
                type: "brush",
                mode: "resize"
              });
              event_({
                type: "brushend"
              });
            });
          } else {
            event_({
              type: "brushstart"
            });
            event_({
              type: "brush",
              mode: "resize"
            });
            event_({
              type: "brushend"
            });
          }
        });
      };
      function redraw(g) {
        g.selectAll(".resize").attr("transform", function(d) {
          return "translate(" + xExtent[+/e$/.test(d)] + "," + yExtent[+/^s/.test(d)] + ")";
        });
      }
      function redrawX(g) {
        g.select(".extent").attr("x", xExtent[0]);
        g.selectAll(".extent,.n>rect,.s>rect").attr("width", xExtent[1] - xExtent[0]);
      }
      function redrawY(g) {
        g.select(".extent").attr("y", yExtent[0]);
        g.selectAll(".extent,.e>rect,.w>rect").attr("height", yExtent[1] - yExtent[0]);
      }
      function brushstart() {
        var target = this, eventTarget = d3.select(d3.event.target), event_ = event.of(target, arguments), g = d3.select(target), resizing = eventTarget.datum(), resizingX = !/^(n|s)$/.test(resizing) && x, resizingY = !/^(e|w)$/.test(resizing) && y, dragging = eventTarget.classed("extent"), dragRestore = d3_event_dragSuppress(target), center, origin = d3.mouse(target), offset;
        var w = d3.select(d3_window(target)).on("keydown.brush", keydown).on("keyup.brush", keyup);
        if (d3.event.changedTouches) {
          w.on("touchmove.brush", brushmove).on("touchend.brush", brushend);
        } else {
          w.on("mousemove.brush", brushmove).on("mouseup.brush", brushend);
        }
        g.interrupt().selectAll("*").interrupt();
        if (dragging) {
          origin[0] = xExtent[0] - origin[0];
          origin[1] = yExtent[0] - origin[1];
        } else if (resizing) {
          var ex = +/w$/.test(resizing), ey = +/^n/.test(resizing);
          offset = [ xExtent[1 - ex] - origin[0], yExtent[1 - ey] - origin[1] ];
          origin[0] = xExtent[ex];
          origin[1] = yExtent[ey];
        } else if (d3.event.altKey) center = origin.slice();
        g.style("pointer-events", "none").selectAll(".resize").style("display", null);
        d3.select("body").style("cursor", eventTarget.style("cursor"));
        event_({
          type: "brushstart"
        });
        brushmove();
        function keydown() {
          if (d3.event.keyCode == 32) {
            if (!dragging) {
              center = null;
              origin[0] -= xExtent[1];
              origin[1] -= yExtent[1];
              dragging = 2;
            }
            d3_eventPreventDefault();
          }
        }
        function keyup() {
          if (d3.event.keyCode == 32 && dragging == 2) {
            origin[0] += xExtent[1];
            origin[1] += yExtent[1];
            dragging = 0;
            d3_eventPreventDefault();
          }
        }
        function brushmove() {
          var point = d3.mouse(target), moved = false;
          if (offset) {
            point[0] += offset[0];
            point[1] += offset[1];
          }
          if (!dragging) {
            if (d3.event.altKey) {
              if (!center) center = [ (xExtent[0] + xExtent[1]) / 2, (yExtent[0] + yExtent[1]) / 2 ];
              origin[0] = xExtent[+(point[0] < center[0])];
              origin[1] = yExtent[+(point[1] < center[1])];
            } else center = null;
          }
          if (resizingX && move1(point, x, 0)) {
            redrawX(g);
            moved = true;
          }
          if (resizingY && move1(point, y, 1)) {
            redrawY(g);
            moved = true;
          }
          if (moved) {
            redraw(g);
            event_({
              type: "brush",
              mode: dragging ? "move" : "resize"
            });
          }
        }
        function move1(point, scale, i) {
          var range = d3_scaleRange(scale), r0 = range[0], r1 = range[1], position = origin[i], extent = i ? yExtent : xExtent, size = extent[1] - extent[0], min, max;
          if (dragging) {
            r0 -= position;
            r1 -= size + position;
          }
          min = (i ? yClamp : xClamp) ? Math.max(r0, Math.min(r1, point[i])) : point[i];
          if (dragging) {
            max = (min += position) + size;
          } else {
            if (center) position = Math.max(r0, Math.min(r1, 2 * center[i] - min));
            if (position < min) {
              max = min;
              min = position;
            } else {
              max = position;
            }
          }
          if (extent[0] != min || extent[1] != max) {
            if (i) yExtentDomain = null; else xExtentDomain = null;
            extent[0] = min;
            extent[1] = max;
            return true;
          }
        }
        function brushend() {
          brushmove();
          g.style("pointer-events", "all").selectAll(".resize").style("display", brush.empty() ? "none" : null);
          d3.select("body").style("cursor", null);
          w.on("mousemove.brush", null).on("mouseup.brush", null).on("touchmove.brush", null).on("touchend.brush", null).on("keydown.brush", null).on("keyup.brush", null);
          dragRestore();
          event_({
            type: "brushend"
          });
        }
      }
      brush.x = function(z) {
        if (!arguments.length) return x;
        x = z;
        resizes = d3_svg_brushResizes[!x << 1 | !y];
        return brush;
      };
      brush.y = function(z) {
        if (!arguments.length) return y;
        y = z;
        resizes = d3_svg_brushResizes[!x << 1 | !y];
        return brush;
      };
      brush.clamp = function(z) {
        if (!arguments.length) return x && y ? [ xClamp, yClamp ] : x ? xClamp : y ? yClamp : null;
        if (x && y) xClamp = !!z[0], yClamp = !!z[1]; else if (x) xClamp = !!z; else if (y) yClamp = !!z;
        return brush;
      };
      brush.extent = function(z) {
        var x0, x1, y0, y1, t;
        if (!arguments.length) {
          if (x) {
            if (xExtentDomain) {
              x0 = xExtentDomain[0], x1 = xExtentDomain[1];
            } else {
              x0 = xExtent[0], x1 = xExtent[1];
              if (x.invert) x0 = x.invert(x0), x1 = x.invert(x1);
              if (x1 < x0) t = x0, x0 = x1, x1 = t;
            }
          }
          if (y) {
            if (yExtentDomain) {
              y0 = yExtentDomain[0], y1 = yExtentDomain[1];
            } else {
              y0 = yExtent[0], y1 = yExtent[1];
              if (y.invert) y0 = y.invert(y0), y1 = y.invert(y1);
              if (y1 < y0) t = y0, y0 = y1, y1 = t;
            }
          }
          return x && y ? [ [ x0, y0 ], [ x1, y1 ] ] : x ? [ x0, x1 ] : y && [ y0, y1 ];
        }
        if (x) {
          x0 = z[0], x1 = z[1];
          if (y) x0 = x0[0], x1 = x1[0];
          xExtentDomain = [ x0, x1 ];
          if (x.invert) x0 = x(x0), x1 = x(x1);
          if (x1 < x0) t = x0, x0 = x1, x1 = t;
          if (x0 != xExtent[0] || x1 != xExtent[1]) xExtent = [ x0, x1 ];
        }
        if (y) {
          y0 = z[0], y1 = z[1];
          if (x) y0 = y0[1], y1 = y1[1];
          yExtentDomain = [ y0, y1 ];
          if (y.invert) y0 = y(y0), y1 = y(y1);
          if (y1 < y0) t = y0, y0 = y1, y1 = t;
          if (y0 != yExtent[0] || y1 != yExtent[1]) yExtent = [ y0, y1 ];
        }
        return brush;
      };
      brush.clear = function() {
        if (!brush.empty()) {
          xExtent = [ 0, 0 ], yExtent = [ 0, 0 ];
          xExtentDomain = yExtentDomain = null;
        }
        return brush;
      };
      brush.empty = function() {
        return !!x && xExtent[0] == xExtent[1] || !!y && yExtent[0] == yExtent[1];
      };
      return d3.rebind(brush, event, "on");
    };
    var d3_svg_brushCursor = {
      n: "ns-resize",
      e: "ew-resize",
      s: "ns-resize",
      w: "ew-resize",
      nw: "nwse-resize",
      ne: "nesw-resize",
      se: "nwse-resize",
      sw: "nesw-resize"
    };
    var d3_svg_brushResizes = [ [ "n", "e", "s", "w", "nw", "ne", "se", "sw" ], [ "e", "w" ], [ "n", "s" ], [] ];
    var d3_time_format = d3_time.format = d3_locale_enUS.timeFormat;
    var d3_time_formatUtc = d3_time_format.utc;
    var d3_time_formatIso = d3_time_formatUtc("%Y-%m-%dT%H:%M:%S.%LZ");
    d3_time_format.iso = Date.prototype.toISOString && +new Date("2000-01-01T00:00:00.000Z") ? d3_time_formatIsoNative : d3_time_formatIso;
    function d3_time_formatIsoNative(date) {
      return date.toISOString();
    }
    d3_time_formatIsoNative.parse = function(string) {
      var date = new Date(string);
      return isNaN(date) ? null : date;
    };
    d3_time_formatIsoNative.toString = d3_time_formatIso.toString;
    d3_time.second = d3_time_interval(function(date) {
      return new d3_date(Math.floor(date / 1e3) * 1e3);
    }, function(date, offset) {
      date.setTime(date.getTime() + Math.floor(offset) * 1e3);
    }, function(date) {
      return date.getSeconds();
    });
    d3_time.seconds = d3_time.second.range;
    d3_time.seconds.utc = d3_time.second.utc.range;
    d3_time.minute = d3_time_interval(function(date) {
      return new d3_date(Math.floor(date / 6e4) * 6e4);
    }, function(date, offset) {
      date.setTime(date.getTime() + Math.floor(offset) * 6e4);
    }, function(date) {
      return date.getMinutes();
    });
    d3_time.minutes = d3_time.minute.range;
    d3_time.minutes.utc = d3_time.minute.utc.range;
    d3_time.hour = d3_time_interval(function(date) {
      var timezone = date.getTimezoneOffset() / 60;
      return new d3_date((Math.floor(date / 36e5 - timezone) + timezone) * 36e5);
    }, function(date, offset) {
      date.setTime(date.getTime() + Math.floor(offset) * 36e5);
    }, function(date) {
      return date.getHours();
    });
    d3_time.hours = d3_time.hour.range;
    d3_time.hours.utc = d3_time.hour.utc.range;
    d3_time.month = d3_time_interval(function(date) {
      date = d3_time.day(date);
      date.setDate(1);
      return date;
    }, function(date, offset) {
      date.setMonth(date.getMonth() + offset);
    }, function(date) {
      return date.getMonth();
    });
    d3_time.months = d3_time.month.range;
    d3_time.months.utc = d3_time.month.utc.range;
    function d3_time_scale(linear, methods, format) {
      function scale(x) {
        return linear(x);
      }
      scale.invert = function(x) {
        return d3_time_scaleDate(linear.invert(x));
      };
      scale.domain = function(x) {
        if (!arguments.length) return linear.domain().map(d3_time_scaleDate);
        linear.domain(x);
        return scale;
      };
      function tickMethod(extent, count) {
        var span = extent[1] - extent[0], target = span / count, i = d3.bisect(d3_time_scaleSteps, target);
        return i == d3_time_scaleSteps.length ? [ methods.year, d3_scale_linearTickRange(extent.map(function(d) {
          return d / 31536e6;
        }), count)[2] ] : !i ? [ d3_time_scaleMilliseconds, d3_scale_linearTickRange(extent, count)[2] ] : methods[target / d3_time_scaleSteps[i - 1] < d3_time_scaleSteps[i] / target ? i - 1 : i];
      }
      scale.nice = function(interval, skip) {
        var domain = scale.domain(), extent = d3_scaleExtent(domain), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" && tickMethod(extent, interval);
        if (method) interval = method[0], skip = method[1];
        function skipped(date) {
          return !isNaN(date) && !interval.range(date, d3_time_scaleDate(+date + 1), skip).length;
        }
        return scale.domain(d3_scale_nice(domain, skip > 1 ? {
          floor: function(date) {
            while (skipped(date = interval.floor(date))) date = d3_time_scaleDate(date - 1);
            return date;
          },
          ceil: function(date) {
            while (skipped(date = interval.ceil(date))) date = d3_time_scaleDate(+date + 1);
            return date;
          }
        } : interval));
      };
      scale.ticks = function(interval, skip) {
        var extent = d3_scaleExtent(scale.domain()), method = interval == null ? tickMethod(extent, 10) : typeof interval === "number" ? tickMethod(extent, interval) : !interval.range && [ {
          range: interval
        }, skip ];
        if (method) interval = method[0], skip = method[1];
        return interval.range(extent[0], d3_time_scaleDate(+extent[1] + 1), skip < 1 ? 1 : skip);
      };
      scale.tickFormat = function() {
        return format;
      };
      scale.copy = function() {
        return d3_time_scale(linear.copy(), methods, format);
      };
      return d3_scale_linearRebind(scale, linear);
    }
    function d3_time_scaleDate(t) {
      return new Date(t);
    }
    var d3_time_scaleSteps = [ 1e3, 5e3, 15e3, 3e4, 6e4, 3e5, 9e5, 18e5, 36e5, 108e5, 216e5, 432e5, 864e5, 1728e5, 6048e5, 2592e6, 7776e6, 31536e6 ];
    var d3_time_scaleLocalMethods = [ [ d3_time.second, 1 ], [ d3_time.second, 5 ], [ d3_time.second, 15 ], [ d3_time.second, 30 ], [ d3_time.minute, 1 ], [ d3_time.minute, 5 ], [ d3_time.minute, 15 ], [ d3_time.minute, 30 ], [ d3_time.hour, 1 ], [ d3_time.hour, 3 ], [ d3_time.hour, 6 ], [ d3_time.hour, 12 ], [ d3_time.day, 1 ], [ d3_time.day, 2 ], [ d3_time.week, 1 ], [ d3_time.month, 1 ], [ d3_time.month, 3 ], [ d3_time.year, 1 ] ];
    var d3_time_scaleLocalFormat = d3_time_format.multi([ [ ".%L", function(d) {
      return d.getMilliseconds();
    } ], [ ":%S", function(d) {
      return d.getSeconds();
    } ], [ "%I:%M", function(d) {
      return d.getMinutes();
    } ], [ "%I %p", function(d) {
      return d.getHours();
    } ], [ "%a %d", function(d) {
      return d.getDay() && d.getDate() != 1;
    } ], [ "%b %d", function(d) {
      return d.getDate() != 1;
    } ], [ "%B", function(d) {
      return d.getMonth();
    } ], [ "%Y", d3_true ] ]);
    var d3_time_scaleMilliseconds = {
      range: function(start, stop, step) {
        return d3.range(Math.ceil(start / step) * step, +stop, step).map(d3_time_scaleDate);
      },
      floor: d3_identity,
      ceil: d3_identity
    };
    d3_time_scaleLocalMethods.year = d3_time.year;
    d3_time.scale = function() {
      return d3_time_scale(d3.scale.linear(), d3_time_scaleLocalMethods, d3_time_scaleLocalFormat);
    };
    var d3_time_scaleUtcMethods = d3_time_scaleLocalMethods.map(function(m) {
      return [ m[0].utc, m[1] ];
    });
    var d3_time_scaleUtcFormat = d3_time_formatUtc.multi([ [ ".%L", function(d) {
      return d.getUTCMilliseconds();
    } ], [ ":%S", function(d) {
      return d.getUTCSeconds();
    } ], [ "%I:%M", function(d) {
      return d.getUTCMinutes();
    } ], [ "%I %p", function(d) {
      return d.getUTCHours();
    } ], [ "%a %d", function(d) {
      return d.getUTCDay() && d.getUTCDate() != 1;
    } ], [ "%b %d", function(d) {
      return d.getUTCDate() != 1;
    } ], [ "%B", function(d) {
      return d.getUTCMonth();
    } ], [ "%Y", d3_true ] ]);
    d3_time_scaleUtcMethods.year = d3_time.year.utc;
    d3_time.scale.utc = function() {
      return d3_time_scale(d3.scale.linear(), d3_time_scaleUtcMethods, d3_time_scaleUtcFormat);
    };
    d3.text = d3_xhrType(function(request) {
      return request.responseText;
    });
    d3.json = function(url, callback) {
      return d3_xhr(url, "application/json", d3_json, callback);
    };
    function d3_json(request) {
      return JSON.parse(request.responseText);
    }
    d3.html = function(url, callback) {
      return d3_xhr(url, "text/html", d3_html, callback);
    };
    function d3_html(request) {
      var range = d3_document.createRange();
      range.selectNode(d3_document.body);
      return range.createContextualFragment(request.responseText);
    }
    d3.xml = d3_xhrType(function(request) {
      return request.responseXML;
    });
    if (typeof define === "function" && define.amd) this.d3 = d3, define(d3); else if (typeof module === "object" && module.exports) module.exports = d3; else this.d3 = d3;
  }();
  },{}],2:[function(require,module,exports){
  /*!
   * jQuery JavaScript Library v3.0.0
   * https://jquery.com/
   *
   * Includes Sizzle.js
   * https://sizzlejs.com/
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license
   * https://jquery.org/license
   *
   * Date: 2016-06-09T18:02Z
   */
  ( function( global, factory ) {
  
  	"use strict";
  
  	if ( typeof module === "object" && typeof module.exports === "object" ) {
  
  		// For CommonJS and CommonJS-like environments where a proper `window`
  		// is present, execute the factory and get jQuery.
  		// For environments that do not have a `window` with a `document`
  		// (such as Node.js), expose a factory as module.exports.
  		// This accentuates the need for the creation of a real `window`.
  		// e.g. var jQuery = require("jquery")(window);
  		// See ticket #14549 for more info.
  		module.exports = global.document ?
  			factory( global, true ) :
  			function( w ) {
  				if ( !w.document ) {
  					throw new Error( "jQuery requires a window with a document" );
  				}
  				return factory( w );
  			};
  	} else {
  		factory( global );
  	}
  
  // Pass this if window is not defined yet
  }( typeof window !== "undefined" ? window : this, function( window, noGlobal ) {
  
  // Edge <= 12 - 13+, Firefox <=18 - 45+, IE 10 - 11, Safari 5.1 - 9+, iOS 6 - 9.1
  // throw exceptions when non-strict code (e.g., ASP.NET 4.5) accesses strict mode
  // arguments.callee.caller (trac-13335). But as of jQuery 3.0 (2016), strict mode should be common
  // enough that all such attempts are guarded in a try block.
  "use strict";
  
  var arr = [];
  
  var document = window.document;
  
  var getProto = Object.getPrototypeOf;
  
  var slice = arr.slice;
  
  var concat = arr.concat;
  
  var push = arr.push;
  
  var indexOf = arr.indexOf;
  
  var class2type = {};
  
  var toString = class2type.toString;
  
  var hasOwn = class2type.hasOwnProperty;
  
  var fnToString = hasOwn.toString;
  
  var ObjectFunctionString = fnToString.call( Object );
  
  var support = {};
  
  
  
  	function DOMEval( code, doc ) {
  		doc = doc || document;
  
  		var script = doc.createElement( "script" );
  
  		script.text = code;
  		doc.head.appendChild( script ).parentNode.removeChild( script );
  	}
  
  
  var
  	version = "3.0.0",
  
  	// Define a local copy of jQuery
  	jQuery = function( selector, context ) {
  
  		// The jQuery object is actually just the init constructor 'enhanced'
  		// Need init if jQuery is called (just allow error to be thrown if not included)
  		return new jQuery.fn.init( selector, context );
  	},
  
  	// Support: Android <=4.0 only
  	// Make sure we trim BOM and NBSP
  	rtrim = /^[\s\uFEFF\xA0]+|[\s\uFEFF\xA0]+$/g,
  
  	// Matches dashed string for camelizing
  	rmsPrefix = /^-ms-/,
  	rdashAlpha = /-([a-z])/g,
  
  	// Used by jQuery.camelCase as callback to replace()
  	fcamelCase = function( all, letter ) {
  		return letter.toUpperCase();
  	};
  
  jQuery.fn = jQuery.prototype = {
  
  	// The current version of jQuery being used
  	jquery: version,
  
  	constructor: jQuery,
  
  	// The default length of a jQuery object is 0
  	length: 0,
  
  	toArray: function() {
  		return slice.call( this );
  	},
  
  	// Get the Nth element in the matched element set OR
  	// Get the whole matched element set as a clean array
  	get: function( num ) {
  		return num != null ?
  
  			// Return just the one element from the set
  			( num < 0 ? this[ num + this.length ] : this[ num ] ) :
  
  			// Return all the elements in a clean array
  			slice.call( this );
  	},
  
  	// Take an array of elements and push it onto the stack
  	// (returning the new matched element set)
  	pushStack: function( elems ) {
  
  		// Build a new jQuery matched element set
  		var ret = jQuery.merge( this.constructor(), elems );
  
  		// Add the old object onto the stack (as a reference)
  		ret.prevObject = this;
  
  		// Return the newly-formed element set
  		return ret;
  	},
  
  	// Execute a callback for every element in the matched set.
  	each: function( callback ) {
  		return jQuery.each( this, callback );
  	},
  
  	map: function( callback ) {
  		return this.pushStack( jQuery.map( this, function( elem, i ) {
  			return callback.call( elem, i, elem );
  		} ) );
  	},
  
  	slice: function() {
  		return this.pushStack( slice.apply( this, arguments ) );
  	},
  
  	first: function() {
  		return this.eq( 0 );
  	},
  
  	last: function() {
  		return this.eq( -1 );
  	},
  
  	eq: function( i ) {
  		var len = this.length,
  			j = +i + ( i < 0 ? len : 0 );
  		return this.pushStack( j >= 0 && j < len ? [ this[ j ] ] : [] );
  	},
  
  	end: function() {
  		return this.prevObject || this.constructor();
  	},
  
  	// For internal use only.
  	// Behaves like an Array's method, not like a jQuery method.
  	push: push,
  	sort: arr.sort,
  	splice: arr.splice
  };
  
  jQuery.extend = jQuery.fn.extend = function() {
  	var options, name, src, copy, copyIsArray, clone,
  		target = arguments[ 0 ] || {},
  		i = 1,
  		length = arguments.length,
  		deep = false;
  
  	// Handle a deep copy situation
  	if ( typeof target === "boolean" ) {
  		deep = target;
  
  		// Skip the boolean and the target
  		target = arguments[ i ] || {};
  		i++;
  	}
  
  	// Handle case when target is a string or something (possible in deep copy)
  	if ( typeof target !== "object" && !jQuery.isFunction( target ) ) {
  		target = {};
  	}
  
  	// Extend jQuery itself if only one argument is passed
  	if ( i === length ) {
  		target = this;
  		i--;
  	}
  
  	for ( ; i < length; i++ ) {
  
  		// Only deal with non-null/undefined values
  		if ( ( options = arguments[ i ] ) != null ) {
  
  			// Extend the base object
  			for ( name in options ) {
  				src = target[ name ];
  				copy = options[ name ];
  
  				// Prevent never-ending loop
  				if ( target === copy ) {
  					continue;
  				}
  
  				// Recurse if we're merging plain objects or arrays
  				if ( deep && copy && ( jQuery.isPlainObject( copy ) ||
  					( copyIsArray = jQuery.isArray( copy ) ) ) ) {
  
  					if ( copyIsArray ) {
  						copyIsArray = false;
  						clone = src && jQuery.isArray( src ) ? src : [];
  
  					} else {
  						clone = src && jQuery.isPlainObject( src ) ? src : {};
  					}
  
  					// Never move original objects, clone them
  					target[ name ] = jQuery.extend( deep, clone, copy );
  
  				// Don't bring in undefined values
  				} else if ( copy !== undefined ) {
  					target[ name ] = copy;
  				}
  			}
  		}
  	}
  
  	// Return the modified object
  	return target;
  };
  
  jQuery.extend( {
  
  	// Unique for each copy of jQuery on the page
  	expando: "jQuery" + ( version + Math.random() ).replace( /\D/g, "" ),
  
  	// Assume jQuery is ready without the ready module
  	isReady: true,
  
  	error: function( msg ) {
  		throw new Error( msg );
  	},
  
  	noop: function() {},
  
  	isFunction: function( obj ) {
  		return jQuery.type( obj ) === "function";
  	},
  
  	isArray: Array.isArray,
  
  	isWindow: function( obj ) {
  		return obj != null && obj === obj.window;
  	},
  
  	isNumeric: function( obj ) {
  
  		// As of jQuery 3.0, isNumeric is limited to
  		// strings and numbers (primitives or objects)
  		// that can be coerced to finite numbers (gh-2662)
  		var type = jQuery.type( obj );
  		return ( type === "number" || type === "string" ) &&
  
  			// parseFloat NaNs numeric-cast false positives ("")
  			// ...but misinterprets leading-number strings, particularly hex literals ("0x...")
  			// subtraction forces infinities to NaN
  			!isNaN( obj - parseFloat( obj ) );
  	},
  
  	isPlainObject: function( obj ) {
  		var proto, Ctor;
  
  		// Detect obvious negatives
  		// Use toString instead of jQuery.type to catch host objects
  		if ( !obj || toString.call( obj ) !== "[object Object]" ) {
  			return false;
  		}
  
  		proto = getProto( obj );
  
  		// Objects with no prototype (e.g., `Object.create( null )`) are plain
  		if ( !proto ) {
  			return true;
  		}
  
  		// Objects with prototype are plain iff they were constructed by a global Object function
  		Ctor = hasOwn.call( proto, "constructor" ) && proto.constructor;
  		return typeof Ctor === "function" && fnToString.call( Ctor ) === ObjectFunctionString;
  	},
  
  	isEmptyObject: function( obj ) {
  		var name;
  		for ( name in obj ) {
  			return false;
  		}
  		return true;
  	},
  
  	type: function( obj ) {
  		if ( obj == null ) {
  			return obj + "";
  		}
  
  		// Support: Android <=2.3 only (functionish RegExp)
  		return typeof obj === "object" || typeof obj === "function" ?
  			class2type[ toString.call( obj ) ] || "object" :
  			typeof obj;
  	},
  
  	// Evaluates a script in a global context
  	globalEval: function( code ) {
  		DOMEval( code );
  	},
  
  	// Convert dashed to camelCase; used by the css and data modules
  	// Support: IE <=9 - 11, Edge 12 - 13
  	// Microsoft forgot to hump their vendor prefix (#9572)
  	camelCase: function( string ) {
  		return string.replace( rmsPrefix, "ms-" ).replace( rdashAlpha, fcamelCase );
  	},
  
  	nodeName: function( elem, name ) {
  		return elem.nodeName && elem.nodeName.toLowerCase() === name.toLowerCase();
  	},
  
  	each: function( obj, callback ) {
  		var length, i = 0;
  
  		if ( isArrayLike( obj ) ) {
  			length = obj.length;
  			for ( ; i < length; i++ ) {
  				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
  					break;
  				}
  			}
  		} else {
  			for ( i in obj ) {
  				if ( callback.call( obj[ i ], i, obj[ i ] ) === false ) {
  					break;
  				}
  			}
  		}
  
  		return obj;
  	},
  
  	// Support: Android <=4.0 only
  	trim: function( text ) {
  		return text == null ?
  			"" :
  			( text + "" ).replace( rtrim, "" );
  	},
  
  	// results is for internal usage only
  	makeArray: function( arr, results ) {
  		var ret = results || [];
  
  		if ( arr != null ) {
  			if ( isArrayLike( Object( arr ) ) ) {
  				jQuery.merge( ret,
  					typeof arr === "string" ?
  					[ arr ] : arr
  				);
  			} else {
  				push.call( ret, arr );
  			}
  		}
  
  		return ret;
  	},
  
  	inArray: function( elem, arr, i ) {
  		return arr == null ? -1 : indexOf.call( arr, elem, i );
  	},
  
  	// Support: Android <=4.0 only, PhantomJS 1 only
  	// push.apply(_, arraylike) throws on ancient WebKit
  	merge: function( first, second ) {
  		var len = +second.length,
  			j = 0,
  			i = first.length;
  
  		for ( ; j < len; j++ ) {
  			first[ i++ ] = second[ j ];
  		}
  
  		first.length = i;
  
  		return first;
  	},
  
  	grep: function( elems, callback, invert ) {
  		var callbackInverse,
  			matches = [],
  			i = 0,
  			length = elems.length,
  			callbackExpect = !invert;
  
  		// Go through the array, only saving the items
  		// that pass the validator function
  		for ( ; i < length; i++ ) {
  			callbackInverse = !callback( elems[ i ], i );
  			if ( callbackInverse !== callbackExpect ) {
  				matches.push( elems[ i ] );
  			}
  		}
  
  		return matches;
  	},
  
  	// arg is for internal usage only
  	map: function( elems, callback, arg ) {
  		var length, value,
  			i = 0,
  			ret = [];
  
  		// Go through the array, translating each of the items to their new values
  		if ( isArrayLike( elems ) ) {
  			length = elems.length;
  			for ( ; i < length; i++ ) {
  				value = callback( elems[ i ], i, arg );
  
  				if ( value != null ) {
  					ret.push( value );
  				}
  			}
  
  		// Go through every key on the object,
  		} else {
  			for ( i in elems ) {
  				value = callback( elems[ i ], i, arg );
  
  				if ( value != null ) {
  					ret.push( value );
  				}
  			}
  		}
  
  		// Flatten any nested arrays
  		return concat.apply( [], ret );
  	},
  
  	// A global GUID counter for objects
  	guid: 1,
  
  	// Bind a function to a context, optionally partially applying any
  	// arguments.
  	proxy: function( fn, context ) {
  		var tmp, args, proxy;
  
  		if ( typeof context === "string" ) {
  			tmp = fn[ context ];
  			context = fn;
  			fn = tmp;
  		}
  
  		// Quick check to determine if target is callable, in the spec
  		// this throws a TypeError, but we will just return undefined.
  		if ( !jQuery.isFunction( fn ) ) {
  			return undefined;
  		}
  
  		// Simulated bind
  		args = slice.call( arguments, 2 );
  		proxy = function() {
  			return fn.apply( context || this, args.concat( slice.call( arguments ) ) );
  		};
  
  		// Set the guid of unique handler to the same of original handler, so it can be removed
  		proxy.guid = fn.guid = fn.guid || jQuery.guid++;
  
  		return proxy;
  	},
  
  	now: Date.now,
  
  	// jQuery.support is not used in Core but other projects attach their
  	// properties to it so it needs to exist.
  	support: support
  } );
  
  // JSHint would error on this code due to the Symbol not being defined in ES5.
  // Defining this global in .jshintrc would create a danger of using the global
  // unguarded in another place, it seems safer to just disable JSHint for these
  // three lines.
  /* jshint ignore: start */
  if ( typeof Symbol === "function" ) {
  	jQuery.fn[ Symbol.iterator ] = arr[ Symbol.iterator ];
  }
  /* jshint ignore: end */
  
  // Populate the class2type map
  jQuery.each( "Boolean Number String Function Array Date RegExp Object Error Symbol".split( " " ),
  function( i, name ) {
  	class2type[ "[object " + name + "]" ] = name.toLowerCase();
  } );
  
  function isArrayLike( obj ) {
  
  	// Support: real iOS 8.2 only (not reproducible in simulator)
  	// `in` check used to prevent JIT error (gh-2145)
  	// hasOwn isn't used here due to false negatives
  	// regarding Nodelist length in IE
  	var length = !!obj && "length" in obj && obj.length,
  		type = jQuery.type( obj );
  
  	if ( type === "function" || jQuery.isWindow( obj ) ) {
  		return false;
  	}
  
  	return type === "array" || length === 0 ||
  		typeof length === "number" && length > 0 && ( length - 1 ) in obj;
  }
  var Sizzle =
  /*!
   * Sizzle CSS Selector Engine v2.3.0
   * https://sizzlejs.com/
   *
   * Copyright jQuery Foundation and other contributors
   * Released under the MIT license
   * http://jquery.org/license
   *
   * Date: 2016-01-04
   */
  (function( window ) {
  
  var i,
  	support,
  	Expr,
  	getText,
  	isXML,
  	tokenize,
  	compile,
  	select,
  	outermostContext,
  	sortInput,
  	hasDuplicate,
  
  	// Local document vars
  	setDocument,
  	document,
  	docElem,
  	documentIsHTML,
  	rbuggyQSA,
  	rbuggyMatches,
  	matches,
  	contains,
  
  	// Instance-specific data
  	expando = "sizzle" + 1 * new Date(),
  	preferredDoc = window.document,
  	dirruns = 0,
  	done = 0,
  	classCache = createCache(),
  	tokenCache = createCache(),
  	compilerCache = createCache(),
  	sortOrder = function( a, b ) {
  		if ( a === b ) {
  			hasDuplicate = true;
  		}
  		return 0;
  	},
  
  	// Instance methods
  	hasOwn = ({}).hasOwnProperty,
  	arr = [],
  	pop = arr.pop,
  	push_native = arr.push,
  	push = arr.push,
  	slice = arr.slice,
  	// Use a stripped-down indexOf as it's faster than native
  	// https://jsperf.com/thor-indexof-vs-for/5
  	indexOf = function( list, elem ) {
  		var i = 0,
  			len = list.length;
  		for ( ; i < len; i++ ) {
  			if ( list[i] === elem ) {
  				return i;
  			}
  		}
  		return -1;
  	},
  
  	booleans = "checked|selected|async|autofocus|autoplay|controls|defer|disabled|hidden|ismap|loop|multiple|open|readonly|required|scoped",
  
  	// Regular expressions
  
  	// http://www.w3.org/TR/css3-selectors/#whitespace
  	whitespace = "[\\x20\\t\\r\\n\\f]",
  
  	// http://www.w3.org/TR/CSS21/syndata.html#value-def-identifier
  	identifier = "(?:\\\\.|[\\w-]|[^\0-\\xa0])+",
  
  	// Attribute selectors: http://www.w3.org/TR/selectors/#attribute-selectors
  	attributes = "\\[" + whitespace + "*(" + identifier + ")(?:" + whitespace +
  		// Operator (capture 2)
  		"*([*^$|!~]?=)" + whitespace +
  		// "Attribute values must be CSS identifiers [capture 5] or strings [capture 3 or capture 4]"
  		"*(?:'((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\"|(" + identifier + "))|)" + whitespace +
  		"*\\]",
  
  	pseudos = ":(" + identifier + ")(?:\\((" +
  		// To reduce the number of selectors needing tokenize in the preFilter, prefer arguments:
  		// 1. quoted (capture 3; capture 4 or capture 5)
  		"('((?:\\\\.|[^\\\\'])*)'|\"((?:\\\\.|[^\\\\\"])*)\")|" +
  		// 2. simple (capture 6)
  		"((?:\\\\.|[^\\\\()[\\]]|" + attributes + ")*)|" +
  		// 3. anything else (capture 2)
  		".*" +
  		")\\)|)",
  
  	// Leading and non-escaped trailing whitespace, capturing some non-whitespace characters preceding the latter
  	rwhitespace = new RegExp( whitespace + "+", "g" ),
  	rtrim = new RegExp( "^" + whitespace + "+|((?:^|[^\\\\])(?:\\\\.)*)" + whitespace + "+$", "g" ),
  
  	rcomma = new RegExp( "^" + whitespace + "*," + whitespace + "*" ),
  	rcombinators = new RegExp( "^" + whitespace + "*([>+~]|" + whitespace + ")" + whitespace + "*" ),
  
  	rattributeQuotes = new RegExp( "=" + whitespace + "*([^\\]'\"]*?)" + whitespace + "*\\]", "g" ),
  
  	rpseudo = new RegExp( pseudos ),
  	ridentifier = new RegExp( "^" + identifier + "$" ),
  
  	matchExpr = {
  		"ID": new RegExp( "^#(" + identifier + ")" ),
  		"CLASS": new RegExp( "^\\.(" + identifier + ")" ),
  		"TAG": new RegExp( "^(" + identifier + "|[*])" ),
  		"ATTR": new RegExp( "^" + attributes ),
  		"PSEUDO": new RegExp( "^" + pseudos ),
  		"CHILD": new RegExp( "^:(only|first|last|nth|nth-last)-(child|of-type)(?:\\(" + whitespace +
  			"*(even|odd|(([+-]|)(\\d*)n|)" + whitespace + "*(?:([+-]|)" + whitespace +
  			"*(\\d+)|))" + whitespace + "*\\)|)", "i" ),
  		"bool": new RegExp( "^(?:" + booleans + ")$", "i" ),
  		// For use in libraries implementing .is()
  		// We use this for POS matching in `select`
  		"needsContext": new RegExp( "^" + whitespace + "*[>+~]|:(even|odd|eq|gt|lt|nth|first|last)(?:\\(" +
  			whitespace + "*((?:-\\d)?\\d*)" + whitespace + "*\\)|)(?=[^-]|$)", "i" )
  	},
  
  	rinputs = /^(?:input|select|textarea|button)$/i,
  	rheader = /^h\d$/i,
  
  	rnative = /^[^{]+\{\s*\[native \w/,
  
  	// Easily-parseable/retrievable ID or TAG or CLASS selectors
  	rquickExpr = /^(?:#([\w-]+)|(\w+)|\.([\w-]+))$/,
  
  	rsibling = /[+~]/,
  
  	// CSS escapes
  	// http://www.w3.org/TR/CSS21/syndata.html#escaped-characters
  	runescape = new RegExp( "\\\\([\\da-f]{1,6}" + whitespace + "?|(" + whitespace + ")|.)", "ig" ),
  	funescape = function( _, escaped, escapedWhitespace ) {
  		var high = "0x" + escaped - 0x10000;
  		// NaN means non-codepoint
  		// Support: Firefox<24
  		// Workaround erroneous numeric interpretation of +"0x"
  		return high !== high || escapedWhitespace ?
  			escaped :
  			high < 0 ?
  				// BMP codepoint
  				String.fromCharCode( high + 0x10000 ) :
  				// Supplemental Plane codepoint (surrogate pair)
  				String.fromCharCode( high >> 10 | 0xD800, high & 0x3FF | 0xDC00 );
  	},
  
  	// CSS string/identifier serialization
  	// https://drafts.csswg.org/cssom/#common-serializing-idioms
  	rcssescape = /([\0-\x1f\x7f]|^-?\d)|^-$|[^\x80-\uFFFF\w-]/g,
  	fcssescape = function( ch, asCodePoint ) {
  		if ( asCodePoint ) {
  
  			// U+0000 NULL becomes U+FFFD REPLACEMENT CHARACTER
  			if ( ch === "\0" ) {
  				return "\uFFFD";
  			}
  
  			// Control characters and (dependent upon position) numbers get escaped as code points
  			return ch.slice( 0, -1 ) + "\\" + ch.charCodeAt( ch.length - 1 ).toString( 16 ) + " ";
  		}
  
  		// Other potentially-special ASCII characters get backslash-escaped
  		return "\\" + ch;
  	},
  
  	// Used for iframes
  	// See setDocument()
  	// Removing the function wrapper causes a "Permission Denied"
  	// error in IE
  	unloadHandler = function() {
  		setDocument();
  	},
  
  	disabledAncestor = addCombinator(
  		function( elem ) {
  			return elem.disabled === true;
  		},
  		{ dir: "parentNode", next: "legend" }
  	);
  
  // Optimize for push.apply( _, NodeList )
  try {
  	push.apply(
  		(arr = slice.call( preferredDoc.childNodes )),
  		preferredDoc.childNodes
  	);
  	// Support: Android<4.0
  	// Detect silently failing push.apply
  	arr[ preferredDoc.childNodes.length ].nodeType;
  } catch ( e ) {
  	push = { apply: arr.length ?
  
  		// Leverage slice if possible
  		function( target, els ) {
  			push_native.apply( target, slice.call(els) );
  		} :
  
  		// Support: IE<9
  		// Otherwise append directly
  		function( target, els ) {
  			var j = target.length,
  				i = 0;
  			// Can't trust NodeList.length
  			while ( (target[j++] = els[i++]) ) {}
  			target.length = j - 1;
  		}
  	};
  }
  
  function Sizzle( selector, context, results, seed ) {
  	var m, i, elem, nid, match, groups, newSelector,
  		newContext = context && context.ownerDocument,
  
  		// nodeType defaults to 9, since context defaults to document
  		nodeType = context ? context.nodeType : 9;
  
  	results = results || [];
  
  	// Return early from calls with invalid selector or context
  	if ( typeof selector !== "string" || !selector ||
  		nodeType !== 1 && nodeType !== 9 && nodeType !== 11 ) {
  
  		return results;
  	}
  
  	// Try to shortcut find operations (as opposed to filters) in HTML documents
  	if ( !seed ) {
  
  		if ( ( context ? context.ownerDocument || context : preferredDoc ) !== document ) {
  			setDocument( context );
  		}
  		context = context || document;
  
  		if ( documentIsHTML ) {
  
  			// If the selector is sufficiently simple, try using a "get*By*" DOM method
  			// (excepting DocumentFragment context, where the methods don't exist)
  			if ( nodeType !== 11 && (match = rquickExpr.exec( selector )) ) {
  
  				// ID selector
  				if ( (m = match[1]) ) {
  
  					// Document context
  					if ( nodeType === 9 ) {
  						if ( (elem = context.getElementById( m )) ) {
  
  							// Support: IE, Opera, Webkit
  							// TODO: identify versions
  							// getElementById can match elements by name instead of ID
  							if ( elem.id === m ) {
  								results.push( elem );
  								return results;
  							}
  						} else {
  							return results;
  						}
  
  					// Element context
  					} else {
  
  						// Support: IE, Opera, Webkit
  						// TODO: identify versions
  						// getElementById can match elements by name instead of ID
  						if ( newContext && (elem = newContext.getElementById( m )) &&
  							contains( context, elem ) &&
  							elem.id === m ) {
  
  							results.push( elem );
  							return results;
  						}
  					}
  
  				// Type selector
  				} else if ( match[2] ) {
  					push.apply( results, context.getElementsByTagName( selector ) );
  					return results;
  
  				// Class selector
  				} else if ( (m = match[3]) && support.getElementsByClassName &&
  					context.getElementsByClassName ) {
  
  					push.apply( results, context.getElementsByClassName( m ) );
  					return results;
  				}
  			}
  
  			// Take advantage of querySelectorAll
  			if ( support.qsa &&
  				!compilerCache[ selector + " " ] &&
  				(!rbuggyQSA || !rbuggyQSA.test( selector )) ) {
  
  				if ( nodeType !== 1 ) {
  					newContext = context;
  					newSelector = selector;
  
  				// qSA looks outside Element context, which is not what we want
  				// Thanks to Andrew Dupont for this workaround technique
  				// Support: IE <=8
  				// Exclude object elements
  				} else if ( context.nodeName.toLowerCase() !== "object" ) {
  
  					// Capture the context ID, setting it first if necessary
  					if ( (nid = context.getAttribute( "id" )) ) {
  						nid = nid.replace( rcssescape, fcssescape );
  					} else {
  						context.setAttribute( "id", (nid = expando) );
  					}
  
  					// Prefix every selector in the list
  					groups = tokenize( selector );
  					i = groups.length;
  					while ( i-- ) {
  						groups[i] = "#" + nid + " " + toSelector( groups[i] );
  					}
  					newSelector = groups.join( "," );
  
  					// Expand context for sibling selectors
  					newContext = rsibling.test( selector ) && testContext( context.parentNode ) ||
  						context;
  				}
  
  				if ( newSelector ) {
  					try {
  						push.apply( results,
  							newContext.querySelectorAll( newSelector )
  						);
  						return results;
  					} catch ( qsaError ) {
  					} finally {
  						if ( nid === expando ) {
  							context.removeAttribute( "id" );
  						}
  					}
  				}
  			}
  		}
  	}
  
  	// All others
  	return select( selector.replace( rtrim, "$1" ), context, results, seed );
  }
  
  /**
   * Create key-value caches of limited size
   * @returns {function(string, object)} Returns the Object data after storing it on itself with
   *	property name the (space-suffixed) string and (if the cache is larger than Expr.cacheLength)
   *	deleting the oldest entry
   */
  function createCache() {
  	var keys = [];
  
  	function cache( key, value ) {
  		// Use (key + " ") to avoid collision with native prototype properties (see Issue #157)
  		if ( keys.push( key + " " ) > Expr.cacheLength ) {
  			// Only keep the most recent entries
  			delete cache[ keys.shift() ];
  		}
  		return (cache[ key + " " ] = value);
  	}
  	return cache;
  }
  
  /**
   * Mark a function for special use by Sizzle
   * @param {Function} fn The function to mark
   */
  function markFunction( fn ) {
  	fn[ expando ] = true;
  	return fn;
  }
  
  /**
   * Support testing using an element
   * @param {Function} fn Passed the created element and returns a boolean result
   */
  function assert( fn ) {
  	var el = document.createElement("fieldset");
  
  	try {
  		return !!fn( el );
  	} catch (e) {
  		return false;
  	} finally {
  		// Remove from its parent by default
  		if ( el.parentNode ) {
  			el.parentNode.removeChild( el );
  		}
  		// release memory in IE
  		el = null;
  	}
  }
  
  /**
   * Adds the same handler for all of the specified attrs
   * @param {String} attrs Pipe-separated list of attributes
   * @param {Function} handler The method that will be applied
   */
  function addHandle( attrs, handler ) {
  	var arr = attrs.split("|"),
  		i = arr.length;
  
  	while ( i-- ) {
  		Expr.attrHandle[ arr[i] ] = handler;
  	}
  }
  
  /**
   * Checks document order of two siblings
   * @param {Element} a
   * @param {Element} b
   * @returns {Number} Returns less than 0 if a precedes b, greater than 0 if a follows b
   */
  function siblingCheck( a, b ) {
  	var cur = b && a,
  		diff = cur && a.nodeType === 1 && b.nodeType === 1 &&
  			a.sourceIndex - b.sourceIndex;
  
  	// Use IE sourceIndex if available on both nodes
  	if ( diff ) {
  		return diff;
  	}
  
  	// Check if b follows a
  	if ( cur ) {
  		while ( (cur = cur.nextSibling) ) {
  			if ( cur === b ) {
  				return -1;
  			}
  		}
  	}
  
  	return a ? 1 : -1;
  }
  
  /**
   * Returns a function to use in pseudos for input types
   * @param {String} type
   */
  function createInputPseudo( type ) {
  	return function( elem ) {
  		var name = elem.nodeName.toLowerCase();
  		return name === "input" && elem.type === type;
  	};
  }
  
  /**
   * Returns a function to use in pseudos for buttons
   * @param {String} type
   */
  function createButtonPseudo( type ) {
  	return function( elem ) {
  		var name = elem.nodeName.toLowerCase();
  		return (name === "input" || name === "button") && elem.type === type;
  	};
  }
  
  /**
   * Returns a function to use in pseudos for :enabled/:disabled
   * @param {Boolean} disabled true for :disabled; false for :enabled
   */
  function createDisabledPseudo( disabled ) {
  	// Known :disabled false positives:
  	// IE: *[disabled]:not(button, input, select, textarea, optgroup, option, menuitem, fieldset)
  	// not IE: fieldset[disabled] > legend:nth-of-type(n+2) :can-disable
  	return function( elem ) {
  
  		// Check form elements and option elements for explicit disabling
  		return "label" in elem && elem.disabled === disabled ||
  			"form" in elem && elem.disabled === disabled ||
  
  			// Check non-disabled form elements for fieldset[disabled] ancestors
  			"form" in elem && elem.disabled === false && (
  				// Support: IE6-11+
  				// Ancestry is covered for us
  				elem.isDisabled === disabled ||
  
  				// Otherwise, assume any non-<option> under fieldset[disabled] is disabled
  				/* jshint -W018 */
  				elem.isDisabled !== !disabled &&
  					("label" in elem || !disabledAncestor( elem )) !== disabled
  			);
  	};
  }
  
  /**
   * Returns a function to use in pseudos for positionals
   * @param {Function} fn
   */
  function createPositionalPseudo( fn ) {
  	return markFunction(function( argument ) {
  		argument = +argument;
  		return markFunction(function( seed, matches ) {
  			var j,
  				matchIndexes = fn( [], seed.length, argument ),
  				i = matchIndexes.length;
  
  			// Match elements found at the specified indexes
  			while ( i-- ) {
  				if ( seed[ (j = matchIndexes[i]) ] ) {
  					seed[j] = !(matches[j] = seed[j]);
  				}
  			}
  		});
  	});
  }
  
  /**
   * Checks a node for validity as a Sizzle context
   * @param {Element|Object=} context
   * @returns {Element|Object|Boolean} The input node if acceptable, otherwise a falsy value
   */
  function testContext( context ) {
  	return context && typeof context.getElementsByTagName !== "undefined" && context;
  }
  
  // Expose support vars for convenience
  support = Sizzle.support = {};
  
  /**
   * Detects XML nodes
   * @param {Element|Object} elem An element or a document
   * @returns {Boolean} True iff elem is a non-HTML XML node
   */
  isXML = Sizzle.isXML = function( elem ) {
  	// documentElement is verified for cases where it doesn't yet exist
  	// (such as loading iframes in IE - #4833)
  	var documentElement = elem && (elem.ownerDocument || elem).documentElement;
  	return documentElement ? documentElement.nodeName !== "HTML" : false;
  };
  
  /**
   * Sets document-related variables once based on the current document
   * @param {Element|Object} [doc] An element or document object to use to set the document
   * @returns {Object} Returns the current document
   */
  setDocument = Sizzle.setDocument = function( node ) {
  	var hasCompare, subWindow,
  		doc = node ? node.ownerDocument || node : preferredDoc;
  
  	// Return early if doc is invalid or already selected
  	if ( doc === document || doc.nodeType !== 9 || !doc.documentElement ) {
  		return document;
  	}
  
  	// Update global variables
  	document = doc;
  	docElem = document.documentElement;
  	documentIsHTML = !isXML( document );
  
  	// Support: IE 9-11, Edge
  	// Accessing iframe documents after unload throws "permission denied" errors (jQuery #13936)
  	if ( preferredDoc !== document &&
  		(subWindow = document.defaultView) && subWindow.top !== subWindow ) {
  
  		// Support: IE 11, Edge
  		if ( subWindow.addEventListener ) {
  			subWindow.addEventListener( "unload", unloadHandler, false );
  
  		// Support: IE 9 - 10 only
  		} else if ( subWindow.attachEvent ) {
  			subWindow.attachEvent( "onunload", unloadHandler );
  		}
  	}
  
  	/* Attributes
  	---------------------------------------------------------------------- */
  
  	// Support: IE<8
  	// Verify that getAttribute really returns attributes and not properties
  	// (excepting IE8 booleans)
  	support.attributes = assert(function( el ) {
  		el.className = "i";
  		return !el.getAttribute("className");
  	});
  
  	/* getElement(s)By*
  	---------------------------------------------------------------------- */
  
  	// Check if getElementsByTagName("*") returns only elements
  	support.getElementsByTagName = assert(function( el ) {
  		el.appendChild( document.createComment("") );
  		return !el.getElementsByTagName("*").length;
  	});
  
  	// Support: IE<9
  	support.getElementsByClassName = rnative.test( document.getElementsByClassName );
  
  	// Support: IE<10
  	// Check if getElementById returns elements by name
  	// The broken getElementById methods don't pick up programmatically-set names,
  	// so use a roundabout getElementsByName test
  	support.getById = assert(function( el ) {
  		docElem.appendChild( el ).id = expando;
  		return !document.getElementsByName || !document.getElementsByName( expando ).length;
  	});
  
  	// ID find and filter
  	if ( support.getById ) {
  		Expr.find["ID"] = function( id, context ) {
  			if ( typeof context.getElementById !== "undefined" && documentIsHTML ) {
  				var m = context.getElementById( id );
  				return m ? [ m ] : [];
  			}
  		};
  		Expr.filter["ID"] = function( id ) {
  			var attrId = id.replace( runescape, funescape );
  			return function( elem ) {
  				return elem.getAttribute("id") === attrId;
  			};
  		};
  	} else {
  		// Support: IE6/7
  		// getElementById is not reliable as a find shortcut
  		delete Expr.find["ID"];
  
  		Expr.filter["ID"] =  function( id ) {
  			var attrId = id.replace( runescape, funescape );
  			return function( elem ) {
  				var node = typeof elem.getAttributeNode !== "undefined" &&
  					elem.getAttributeNode("id");
  				return node && node.value === attrId;
  			};
  		};
  	}
  
  	// Tag
  	Expr.find["TAG"] = support.getElementsByTagName ?
  		function( tag, context ) {
  			if ( typeof context.getElementsByTagName !== "undefined" ) {
  				return context.getElementsByTagName( tag );
  
  			// DocumentFragment nodes don't have gEBTN
  			} else if ( support.qsa ) {
  				return context.querySelectorAll( tag );
  			}
  		} :
  
  		function( tag, context ) {
  			var elem,
  				tmp = [],
  				i = 0,
  				// By happy coincidence, a (broken) gEBTN appears on DocumentFragment nodes too
  				results = context.getElementsByTagName( tag );
  
  			// Filter out possible comments
  			if ( tag === "*" ) {
  				while ( (elem = results[i++]) ) {
  					if ( elem.nodeType === 1 ) {
  						tmp.push( elem );
  					}
  				}
  
  				return tmp;
  			}
  			return results;
  		};
  
  	// Class
  	Expr.find["CLASS"] = support.getElementsByClassName && function( className, context ) {
  		if ( typeof context.getElementsByClassName !== "undefined" && documentIsHTML ) {
  			return context.getElementsByClassName( className );
  		}
  	};
  
  	/* QSA/matchesSelector
  	---------------------------------------------------------------------- */
  
  	// QSA and matchesSelector support
  
  	// matchesSelector(:active) reports false when true (IE9/Opera 11.5)
  	rbuggyMatches = [];
  
  	// qSa(:focus) reports false when true (Chrome 21)
  	// We allow this because of a bug in IE8/9 that throws an error
  	// whenever `document.activeElement` is accessed on an iframe
  	// So, we allow :focus to pass through QSA all the time to avoid the IE error
  	// See https://bugs.jquery.com/ticket/13378
  	rbuggyQSA = [];
  
  	if ( (support.qsa = rnative.test( document.querySelectorAll )) ) {
  		// Build QSA regex
  		// Regex strategy adopted from Diego Perini
  		assert(function( el ) {
  			// Select is set to empty string on purpose
  			// This is to test IE's treatment of not explicitly
  			// setting a boolean content attribute,
  			// since its presence should be enough
  			// https://bugs.jquery.com/ticket/12359
  			docElem.appendChild( el ).innerHTML = "<a id='" + expando + "'></a>" +
  				"<select id='" + expando + "-\r\\' msallowcapture=''>" +
  				"<option selected=''></option></select>";
  
  			// Support: IE8, Opera 11-12.16
  			// Nothing should be selected when empty strings follow ^= or $= or *=
  			// The test attribute must be unknown in Opera but "safe" for WinRT
  			// https://msdn.microsoft.com/en-us/library/ie/hh465388.aspx#attribute_section
  			if ( el.querySelectorAll("[msallowcapture^='']").length ) {
  				rbuggyQSA.push( "[*^$]=" + whitespace + "*(?:''|\"\")" );
  			}
  
  			// Support: IE8
  			// Boolean attributes and "value" are not treated correctly
  			if ( !el.querySelectorAll("[selected]").length ) {
  				rbuggyQSA.push( "\\[" + whitespace + "*(?:value|" + booleans + ")" );
  			}
  
  			// Support: Chrome<29, Android<4.4, Safari<7.0+, iOS<7.0+, PhantomJS<1.9.8+
  			if ( !el.querySelectorAll( "[id~=" + expando + "-]" ).length ) {
  				rbuggyQSA.push("~=");
  			}
  
  			// Webkit/Opera - :checked should return selected option elements
  			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
  			// IE8 throws error here and will not see later tests
  			if ( !el.querySelectorAll(":checked").length ) {
  				rbuggyQSA.push(":checked");
  			}
  
  			// Support: Safari 8+, iOS 8+
  			// https://bugs.webkit.org/show_bug.cgi?id=136851
  			// In-page `selector#id sibling-combinator selector` fails
  			if ( !el.querySelectorAll( "a#" + expando + "+*" ).length ) {
  				rbuggyQSA.push(".#.+[+~]");
  			}
  		});
  
  		assert(function( el ) {
  			el.innerHTML = "<a href='' disabled='disabled'></a>" +
  				"<select disabled='disabled'><option/></select>";
  
  			// Support: Windows 8 Native Apps
  			// The type and name attributes are restricted during .innerHTML assignment
  			var input = document.createElement("input");
  			input.setAttribute( "type", "hidden" );
  			el.appendChild( input ).setAttribute( "name", "D" );
  
  			// Support: IE8
  			// Enforce case-sensitivity of name attribute
  			if ( el.querySelectorAll("[name=d]").length ) {
  				rbuggyQSA.push( "name" + whitespace + "*[*^$|!~]?=" );
  			}
  
  			// FF 3.5 - :enabled/:disabled and hidden elements (hidden elements are still enabled)
  			// IE8 throws error here and will not see later tests
  			if ( el.querySelectorAll(":enabled").length !== 2 ) {
  				rbuggyQSA.push( ":enabled", ":disabled" );
  			}
  
  			// Support: IE9-11+
  			// IE's :disabled selector does not pick up the children of disabled fieldsets
  			docElem.appendChild( el ).disabled = true;
  			if ( el.querySelectorAll(":disabled").length !== 2 ) {
  				rbuggyQSA.push( ":enabled", ":disabled" );
  			}
  
  			// Opera 10-11 does not throw on post-comma invalid pseudos
  			el.querySelectorAll("*,:x");
  			rbuggyQSA.push(",.*:");
  		});
  	}
  
  	if ( (support.matchesSelector = rnative.test( (matches = docElem.matches ||
  		docElem.webkitMatchesSelector ||
  		docElem.mozMatchesSelector ||
  		docElem.oMatchesSelector ||
  		docElem.msMatchesSelector) )) ) {
  
  		assert(function( el ) {
  			// Check to see if it's possible to do matchesSelector
  			// on a disconnected node (IE 9)
  			support.disconnectedMatch = matches.call( el, "*" );
  
  			// This should fail with an exception
  			// Gecko does not error, returns false instead
  			matches.call( el, "[s!='']:x" );
  			rbuggyMatches.push( "!=", pseudos );
  		});
  	}
  
  	rbuggyQSA = rbuggyQSA.length && new RegExp( rbuggyQSA.join("|") );
  	rbuggyMatches = rbuggyMatches.length && new RegExp( rbuggyMatches.join("|") );
  
  	/* Contains
  	---------------------------------------------------------------------- */
  	hasCompare = rnative.test( docElem.compareDocumentPosition );
  
  	// Element contains another
  	// Purposefully self-exclusive
  	// As in, an element does not contain itself
  	contains = hasCompare || rnative.test( docElem.contains ) ?
  		function( a, b ) {
  			var adown = a.nodeType === 9 ? a.documentElement : a,
  				bup = b && b.parentNode;
  			return a === bup || !!( bup && bup.nodeType === 1 && (
  				adown.contains ?
  					adown.contains( bup ) :
  					a.compareDocumentPosition && a.compareDocumentPosition( bup ) & 16
  			));
  		} :
  		function( a, b ) {
  			if ( b ) {
  				while ( (b = b.parentNode) ) {
  					if ( b === a ) {
  						return true;
  					}
  				}
  			}
  			return false;
  		};
  
  	/* Sorting
  	---------------------------------------------------------------------- */
  
  	// Document order sorting
  	sortOrder = hasCompare ?
  	function( a, b ) {
  
  		// Flag for duplicate removal
  		if ( a === b ) {
  			hasDuplicate = true;
  			return 0;
  		}
  
  		// Sort on method existence if only one input has compareDocumentPosition
  		var compare = !a.compareDocumentPosition - !b.compareDocumentPosition;
  		if ( compare ) {
  			return compare;
  		}
  
  		// Calculate position if both inputs belong to the same document
  		compare = ( a.ownerDocument || a ) === ( b.ownerDocument || b ) ?
  			a.compareDocumentPosition( b ) :
  
  			// Otherwise we know they are disconnected
  			1;
  
  		// Disconnected nodes
  		if ( compare & 1 ||
  			(!support.sortDetached && b.compareDocumentPosition( a ) === compare) ) {
  
  			// Choose the first element that is related to our preferred document
  			if ( a === document || a.ownerDocument === preferredDoc && contains(preferredDoc, a) ) {
  				return -1;
  			}
  			if ( b === document || b.ownerDocument === preferredDoc && contains(preferredDoc, b) ) {
  				return 1;
  			}
  
  			// Maintain original order
  			return sortInput ?
  				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
  				0;
  		}
  
  		return compare & 4 ? -1 : 1;
  	} :
  	function( a, b ) {
  		// Exit early if the nodes are identical
  		if ( a === b ) {
  			hasDuplicate = true;
  			return 0;
  		}
  
  		var cur,
  			i = 0,
  			aup = a.parentNode,
  			bup = b.parentNode,
  			ap = [ a ],
  			bp = [ b ];
  
  		// Parentless nodes are either documents or disconnected
  		if ( !aup || !bup ) {
  			return a === document ? -1 :
  				b === document ? 1 :
  				aup ? -1 :
  				bup ? 1 :
  				sortInput ?
  				( indexOf( sortInput, a ) - indexOf( sortInput, b ) ) :
  				0;
  
  		// If the nodes are siblings, we can do a quick check
  		} else if ( aup === bup ) {
  			return siblingCheck( a, b );
  		}
  
  		// Otherwise we need full lists of their ancestors for comparison
  		cur = a;
  		while ( (cur = cur.parentNode) ) {
  			ap.unshift( cur );
  		}
  		cur = b;
  		while ( (cur = cur.parentNode) ) {
  			bp.unshift( cur );
  		}
  
  		// Walk down the tree looking for a discrepancy
  		while ( ap[i] === bp[i] ) {
  			i++;
  		}
  
  		return i ?
  			// Do a sibling check if the nodes have a common ancestor
  			siblingCheck( ap[i], bp[i] ) :
  
  			// Otherwise nodes in our document sort first
  			ap[i] === preferredDoc ? -1 :
  			bp[i] === preferredDoc ? 1 :
  			0;
  	};
  
  	return document;
  };
  
  Sizzle.matches = function( expr, elements ) {
  	return Sizzle( expr, null, null, elements );
  };
  
  Sizzle.matchesSelector = function( elem, expr ) {
  	// Set document vars if needed
  	if ( ( elem.ownerDocument || elem ) !== document ) {
  		setDocument( elem );
  	}
  
  	// Make sure that attribute selectors are quoted
  	expr = expr.replace( rattributeQuotes, "='$1']" );
  
  	if ( support.matchesSelector && documentIsHTML &&
  		!compilerCache[ expr + " " ] &&
  		( !rbuggyMatches || !rbuggyMatches.test( expr ) ) &&
  		( !rbuggyQSA     || !rbuggyQSA.test( expr ) ) ) {
  
  		try {
  			var ret = matches.call( elem, expr );
  
  			// IE 9's matchesSelector returns false on disconnected nodes
  			if ( ret || support.disconnectedMatch ||
  					// As well, disconnected nodes are said to be in a document
  					// fragment in IE 9
  					elem.document && elem.document.nodeType !== 11 ) {
  				return ret;
  			}
  		} catch (e) {}
  	}
  
  	return Sizzle( expr, document, null, [ elem ] ).length > 0;
  };
  
  Sizzle.contains = function( context, elem ) {
  	// Set document vars if needed
  	if ( ( context.ownerDocument || context ) !== document ) {
  		setDocument( context );
  	}
  	return contains( context, elem );
  };
  
  Sizzle.attr = function( elem, name ) {
  	// Set document vars if needed
  	if ( ( elem.ownerDocument || elem ) !== document ) {
  		setDocument( elem );
  	}
  
  	var fn = Expr.attrHandle[ name.toLowerCase() ],
  		// Don't get fooled by Object.prototype properties (jQuery #13807)
  		val = fn && hasOwn.call( Expr.attrHandle, name.toLowerCase() ) ?
  			fn( elem, name, !documentIsHTML ) :
  			undefined;
  
  	return val !== undefined ?
  		val :
  		support.attributes || !documentIsHTML ?
  			elem.getAttribute( name ) :
  			(val = elem.getAttributeNode(name)) && val.specified ?
  				val.value :
  				null;
  };
  
  Sizzle.escape = function( sel ) {
  	return (sel + "").replace( rcssescape, fcssescape );
  };
  
  Sizzle.error = function( msg ) {
  	throw new Error( "Syntax error, unrecognized expression: " + msg );
  };
  
  /**
   * Document sorting and removing duplicates
   * @param {ArrayLike} results
   */
  Sizzle.uniqueSort = function( results ) {
  	var elem,
  		duplicates = [],
  		j = 0,
  		i = 0;
  
  	// Unless we *know* we can detect duplicates, assume their presence
  	hasDuplicate = !support.detectDuplicates;
  	sortInput = !support.sortStable && results.slice( 0 );
  	results.sort( sortOrder );
  
  	if ( hasDuplicate ) {
  		while ( (elem = results[i++]) ) {
  			if ( elem === results[ i ] ) {
  				j = duplicates.push( i );
  			}
  		}
  		while ( j-- ) {
  			results.splice( duplicates[ j ], 1 );
  		}
  	}
  
  	// Clear input after sorting to release objects
  	// See https://github.com/jquery/sizzle/pull/225
  	sortInput = null;
  
  	return results;
  };
  
  /**
   * Utility function for retrieving the text value of an array of DOM nodes
   * @param {Array|Element} elem
   */
  getText = Sizzle.getText = function( elem ) {
  	var node,
  		ret = "",
  		i = 0,
  		nodeType = elem.nodeType;
  
  	if ( !nodeType ) {
  		// If no nodeType, this is expected to be an array
  		while ( (node = elem[i++]) ) {
  			// Do not traverse comment nodes
  			ret += getText( node );
  		}
  	} else if ( nodeType === 1 || nodeType === 9 || nodeType === 11 ) {
  		// Use textContent for elements
  		// innerText usage removed for consistency of new lines (jQuery #11153)
  		if ( typeof elem.textContent === "string" ) {
  			return elem.textContent;
  		} else {
  			// Traverse its children
  			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
  				ret += getText( elem );
  			}
  		}
  	} else if ( nodeType === 3 || nodeType === 4 ) {
  		return elem.nodeValue;
  	}
  	// Do not include comment or processing instruction nodes
  
  	return ret;
  };
  
  Expr = Sizzle.selectors = {
  
  	// Can be adjusted by the user
  	cacheLength: 50,
  
  	createPseudo: markFunction,
  
  	match: matchExpr,
  
  	attrHandle: {},
  
  	find: {},
  
  	relative: {
  		">": { dir: "parentNode", first: true },
  		" ": { dir: "parentNode" },
  		"+": { dir: "previousSibling", first: true },
  		"~": { dir: "previousSibling" }
  	},
  
  	preFilter: {
  		"ATTR": function( match ) {
  			match[1] = match[1].replace( runescape, funescape );
  
  			// Move the given value to match[3] whether quoted or unquoted
  			match[3] = ( match[3] || match[4] || match[5] || "" ).replace( runescape, funescape );
  
  			if ( match[2] === "~=" ) {
  				match[3] = " " + match[3] + " ";
  			}
  
  			return match.slice( 0, 4 );
  		},
  
  		"CHILD": function( match ) {
  			/* matches from matchExpr["CHILD"]
  				1 type (only|nth|...)
  				2 what (child|of-type)
  				3 argument (even|odd|\d*|\d*n([+-]\d+)?|...)
  				4 xn-component of xn+y argument ([+-]?\d*n|)
  				5 sign of xn-component
  				6 x of xn-component
  				7 sign of y-component
  				8 y of y-component
  			*/
  			match[1] = match[1].toLowerCase();
  
  			if ( match[1].slice( 0, 3 ) === "nth" ) {
  				// nth-* requires argument
  				if ( !match[3] ) {
  					Sizzle.error( match[0] );
  				}
  
  				// numeric x and y parameters for Expr.filter.CHILD
  				// remember that false/true cast respectively to 0/1
  				match[4] = +( match[4] ? match[5] + (match[6] || 1) : 2 * ( match[3] === "even" || match[3] === "odd" ) );
  				match[5] = +( ( match[7] + match[8] ) || match[3] === "odd" );
  
  			// other types prohibit arguments
  			} else if ( match[3] ) {
  				Sizzle.error( match[0] );
  			}
  
  			return match;
  		},
  
  		"PSEUDO": function( match ) {
  			var excess,
  				unquoted = !match[6] && match[2];
  
  			if ( matchExpr["CHILD"].test( match[0] ) ) {
  				return null;
  			}
  
  			// Accept quoted arguments as-is
  			if ( match[3] ) {
  				match[2] = match[4] || match[5] || "";
  
  			// Strip excess characters from unquoted arguments
  			} else if ( unquoted && rpseudo.test( unquoted ) &&
  				// Get excess from tokenize (recursively)
  				(excess = tokenize( unquoted, true )) &&
  				// advance to the next closing parenthesis
  				(excess = unquoted.indexOf( ")", unquoted.length - excess ) - unquoted.length) ) {
  
  				// excess is a negative index
  				match[0] = match[0].slice( 0, excess );
  				match[2] = unquoted.slice( 0, excess );
  			}
  
  			// Return only captures needed by the pseudo filter method (type and argument)
  			return match.slice( 0, 3 );
  		}
  	},
  
  	filter: {
  
  		"TAG": function( nodeNameSelector ) {
  			var nodeName = nodeNameSelector.replace( runescape, funescape ).toLowerCase();
  			return nodeNameSelector === "*" ?
  				function() { return true; } :
  				function( elem ) {
  					return elem.nodeName && elem.nodeName.toLowerCase() === nodeName;
  				};
  		},
  
  		"CLASS": function( className ) {
  			var pattern = classCache[ className + " " ];
  
  			return pattern ||
  				(pattern = new RegExp( "(^|" + whitespace + ")" + className + "(" + whitespace + "|$)" )) &&
  				classCache( className, function( elem ) {
  					return pattern.test( typeof elem.className === "string" && elem.className || typeof elem.getAttribute !== "undefined" && elem.getAttribute("class") || "" );
  				});
  		},
  
  		"ATTR": function( name, operator, check ) {
  			return function( elem ) {
  				var result = Sizzle.attr( elem, name );
  
  				if ( result == null ) {
  					return operator === "!=";
  				}
  				if ( !operator ) {
  					return true;
  				}
  
  				result += "";
  
  				return operator === "=" ? result === check :
  					operator === "!=" ? result !== check :
  					operator === "^=" ? check && result.indexOf( check ) === 0 :
  					operator === "*=" ? check && result.indexOf( check ) > -1 :
  					operator === "$=" ? check && result.slice( -check.length ) === check :
  					operator === "~=" ? ( " " + result.replace( rwhitespace, " " ) + " " ).indexOf( check ) > -1 :
  					operator === "|=" ? result === check || result.slice( 0, check.length + 1 ) === check + "-" :
  					false;
  			};
  		},
  
  		"CHILD": function( type, what, argument, first, last ) {
  			var simple = type.slice( 0, 3 ) !== "nth",
  				forward = type.slice( -4 ) !== "last",
  				ofType = what === "of-type";
  
  			return first === 1 && last === 0 ?
  
  				// Shortcut for :nth-*(n)
  				function( elem ) {
  					return !!elem.parentNode;
  				} :
  
  				function( elem, context, xml ) {
  					var cache, uniqueCache, outerCache, node, nodeIndex, start,
  						dir = simple !== forward ? "nextSibling" : "previousSibling",
  						parent = elem.parentNode,
  						name = ofType && elem.nodeName.toLowerCase(),
  						useCache = !xml && !ofType,
  						diff = false;
  
  					if ( parent ) {
  
  						// :(first|last|only)-(child|of-type)
  						if ( simple ) {
  							while ( dir ) {
  								node = elem;
  								while ( (node = node[ dir ]) ) {
  									if ( ofType ?
  										node.nodeName.toLowerCase() === name :
  										node.nodeType === 1 ) {
  
  										return false;
  									}
  								}
  								// Reverse direction for :only-* (if we haven't yet done so)
  								start = dir = type === "only" && !start && "nextSibling";
  							}
  							return true;
  						}
  
  						start = [ forward ? parent.firstChild : parent.lastChild ];
  
  						// non-xml :nth-child(...) stores cache data on `parent`
  						if ( forward && useCache ) {
  
  							// Seek `elem` from a previously-cached index
  
  							// ...in a gzip-friendly way
  							node = parent;
  							outerCache = node[ expando ] || (node[ expando ] = {});
  
  							// Support: IE <9 only
  							// Defend against cloned attroperties (jQuery gh-1709)
  							uniqueCache = outerCache[ node.uniqueID ] ||
  								(outerCache[ node.uniqueID ] = {});
  
  							cache = uniqueCache[ type ] || [];
  							nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
  							diff = nodeIndex && cache[ 2 ];
  							node = nodeIndex && parent.childNodes[ nodeIndex ];
  
  							while ( (node = ++nodeIndex && node && node[ dir ] ||
  
  								// Fallback to seeking `elem` from the start
  								(diff = nodeIndex = 0) || start.pop()) ) {
  
  								// When found, cache indexes on `parent` and break
  								if ( node.nodeType === 1 && ++diff && node === elem ) {
  									uniqueCache[ type ] = [ dirruns, nodeIndex, diff ];
  									break;
  								}
  							}
  
  						} else {
  							// Use previously-cached element index if available
  							if ( useCache ) {
  								// ...in a gzip-friendly way
  								node = elem;
  								outerCache = node[ expando ] || (node[ expando ] = {});
  
  								// Support: IE <9 only
  								// Defend against cloned attroperties (jQuery gh-1709)
  								uniqueCache = outerCache[ node.uniqueID ] ||
  									(outerCache[ node.uniqueID ] = {});
  
  								cache = uniqueCache[ type ] || [];
  								nodeIndex = cache[ 0 ] === dirruns && cache[ 1 ];
  								diff = nodeIndex;
  							}
  
  							// xml :nth-child(...)
  							// or :nth-last-child(...) or :nth(-last)?-of-type(...)
  							if ( diff === false ) {
  								// Use the same loop as above to seek `elem` from the start
  								while ( (node = ++nodeIndex && node && node[ dir ] ||
  									(diff = nodeIndex = 0) || start.pop()) ) {
  
  									if ( ( ofType ?
  										node.nodeName.toLowerCase() === name :
  										node.nodeType === 1 ) &&
  										++diff ) {
  
  										// Cache the index of each encountered element
  										if ( useCache ) {
  											outerCache = node[ expando ] || (node[ expando ] = {});
  
  											// Support: IE <9 only
  											// Defend against cloned attroperties (jQuery gh-1709)
  											uniqueCache = outerCache[ node.uniqueID ] ||
  												(outerCache[ node.uniqueID ] = {});
  
  											uniqueCache[ type ] = [ dirruns, diff ];
  										}
  
  										if ( node === elem ) {
  											break;
  										}
  									}
  								}
  							}
  						}
  
  						// Incorporate the offset, then check against cycle size
  						diff -= last;
  						return diff === first || ( diff % first === 0 && diff / first >= 0 );
  					}
  				};
  		},
  
  		"PSEUDO": function( pseudo, argument ) {
  			// pseudo-class names are case-insensitive
  			// http://www.w3.org/TR/selectors/#pseudo-classes
  			// Prioritize by case sensitivity in case custom pseudos are added with uppercase letters
  			// Remember that setFilters inherits from pseudos
  			var args,
  				fn = Expr.pseudos[ pseudo ] || Expr.setFilters[ pseudo.toLowerCase() ] ||
  					Sizzle.error( "unsupported pseudo: " + pseudo );
  
  			// The user may use createPseudo to indicate that
  			// arguments are needed to create the filter function
  			// just as Sizzle does
  			if ( fn[ expando ] ) {
  				return fn( argument );
  			}
  
  			// But maintain support for old signatures
  			if ( fn.length > 1 ) {
  				args = [ pseudo, pseudo, "", argument ];
  				return Expr.setFilters.hasOwnProperty( pseudo.toLowerCase() ) ?
  					markFunction(function( seed, matches ) {
  						var idx,
  							matched = fn( seed, argument ),
  							i = matched.length;
  						while ( i-- ) {
  							idx = indexOf( seed, matched[i] );
  							seed[ idx ] = !( matches[ idx ] = matched[i] );
  						}
  					}) :
  					function( elem ) {
  						return fn( elem, 0, args );
  					};
  			}
  
  			return fn;
  		}
  	},
  
  	pseudos: {
  		// Potentially complex pseudos
  		"not": markFunction(function( selector ) {
  			// Trim the selector passed to compile
  			// to avoid treating leading and trailing
  			// spaces as combinators
  			var input = [],
  				results = [],
  				matcher = compile( selector.replace( rtrim, "$1" ) );
  
  			return matcher[ expando ] ?
  				markFunction(function( seed, matches, context, xml ) {
  					var elem,
  						unmatched = matcher( seed, null, xml, [] ),
  						i = seed.length;
  
  					// Match elements unmatched by `matcher`
  					while ( i-- ) {
  						if ( (elem = unmatched[i]) ) {
  							seed[i] = !(matches[i] = elem);
  						}
  					}
  				}) :
  				function( elem, context, xml ) {
  					input[0] = elem;
  					matcher( input, null, xml, results );
  					// Don't keep the element (issue #299)
  					input[0] = null;
  					return !results.pop();
  				};
  		}),
  
  		"has": markFunction(function( selector ) {
  			return function( elem ) {
  				return Sizzle( selector, elem ).length > 0;
  			};
  		}),
  
  		"contains": markFunction(function( text ) {
  			text = text.replace( runescape, funescape );
  			return function( elem ) {
  				return ( elem.textContent || elem.innerText || getText( elem ) ).indexOf( text ) > -1;
  			};
  		}),
  
  		// "Whether an element is represented by a :lang() selector
  		// is based solely on the element's language value
  		// being equal to the identifier C,
  		// or beginning with the identifier C immediately followed by "-".
  		// The matching of C against the element's language value is performed case-insensitively.
  		// The identifier C does not have to be a valid language name."
  		// http://www.w3.org/TR/selectors/#lang-pseudo
  		"lang": markFunction( function( lang ) {
  			// lang value must be a valid identifier
  			if ( !ridentifier.test(lang || "") ) {
  				Sizzle.error( "unsupported lang: " + lang );
  			}
  			lang = lang.replace( runescape, funescape ).toLowerCase();
  			return function( elem ) {
  				var elemLang;
  				do {
  					if ( (elemLang = documentIsHTML ?
  						elem.lang :
  						elem.getAttribute("xml:lang") || elem.getAttribute("lang")) ) {
  
  						elemLang = elemLang.toLowerCase();
  						return elemLang === lang || elemLang.indexOf( lang + "-" ) === 0;
  					}
  				} while ( (elem = elem.parentNode) && elem.nodeType === 1 );
  				return false;
  			};
  		}),
  
  		// Miscellaneous
  		"target": function( elem ) {
  			var hash = window.location && window.location.hash;
  			return hash && hash.slice( 1 ) === elem.id;
  		},
  
  		"root": function( elem ) {
  			return elem === docElem;
  		},
  
  		"focus": function( elem ) {
  			return elem === document.activeElement && (!document.hasFocus || document.hasFocus()) && !!(elem.type || elem.href || ~elem.tabIndex);
  		},
  
  		// Boolean properties
  		"enabled": createDisabledPseudo( false ),
  		"disabled": createDisabledPseudo( true ),
  
  		"checked": function( elem ) {
  			// In CSS3, :checked should return both checked and selected elements
  			// http://www.w3.org/TR/2011/REC-css3-selectors-20110929/#checked
  			var nodeName = elem.nodeName.toLowerCase();
  			return (nodeName === "input" && !!elem.checked) || (nodeName === "option" && !!elem.selected);
  		},
  
  		"selected": function( elem ) {
  			// Accessing this property makes selected-by-default
  			// options in Safari work properly
  			if ( elem.parentNode ) {
  				elem.parentNode.selectedIndex;
  			}
  
  			return elem.selected === true;
  		},
  
  		// Contents
  		"empty": function( elem ) {
  			// http://www.w3.org/TR/selectors/#empty-pseudo
  			// :empty is negated by element (1) or content nodes (text: 3; cdata: 4; entity ref: 5),
  			//   but not by others (comment: 8; processing instruction: 7; etc.)
  			// nodeType < 6 works because attributes (2) do not appear as children
  			for ( elem = elem.firstChild; elem; elem = elem.nextSibling ) {
  				if ( elem.nodeType < 6 ) {
  					return false;
  				}
  			}
  			return true;
  		},
  
  		"parent": function( elem ) {
  			return !Expr.pseudos["empty"]( elem );
  		},
  
  		// Element/input types
  		"header": function( elem ) {
  			return rheader.test( elem.nodeName );
  		},
  
  		"input": function( elem ) {
  			return rinputs.test( elem.nodeName );
  		},
  
  		"button": function( elem ) {
  			var name = elem.nodeName.toLowerCase();
  			return name === "input" && elem.type === "button" || name === "button";
  		},
  
  		"text": function( elem ) {
  			var attr;
  			return elem.nodeName.toLowerCase() === "input" &&
  				elem.type === "text" &&
  
  				// Support: IE<8
  				// New HTML5 attribute values (e.g., "search") appear with elem.type === "text"
  				( (attr = elem.getAttribute("type")) == null || attr.toLowerCase() === "text" );
  		},
  
  		// Position-in-collection
  		"first": createPositionalPseudo(function() {
  			return [ 0 ];
  		}),
  
  		"last": createPositionalPseudo(function( matchIndexes, length ) {
  			return [ length - 1 ];
  		}),
  
  		"eq": createPositionalPseudo(function( matchIndexes, length, argument ) {
  			return [ argument < 0 ? argument + length : argument ];
  		}),
  
  		"even": createPositionalPseudo(function( matchIndexes, length ) {
  			var i = 0;
  			for ( ; i < length; i += 2 ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		}),
  
  		"odd": createPositionalPseudo(function( matchIndexes, length ) {
  			var i = 1;
  			for ( ; i < length; i += 2 ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		}),
  
  		"lt": createPositionalPseudo(function( matchIndexes, length, argument ) {
  			var i = argument < 0 ? argument + length : argument;
  			for ( ; --i >= 0; ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		}),
  
  		"gt": createPositionalPseudo(function( matchIndexes, length, argument ) {
  			var i = argument < 0 ? argument + length : argument;
  			for ( ; ++i < length; ) {
  				matchIndexes.push( i );
  			}
  			return matchIndexes;
  		})
  	}
  };
  
  Expr.pseudos["nth"] = Expr.pseudos["eq"];
  
  // Add button/input type pseudos
  for ( i in { radio: true, checkbox: true, file: true, password: true, image: true } ) {
  	Expr.pseudos[ i ] = createInputPseudo( i );
  }
  for ( i in { submit: true, reset: true } ) {
  	Expr.pseudos[ i ] = createButtonPseudo( i );
  }
  
  // Easy API for creating new setFilters
  function setFilters() {}
  setFilters.prototype = Expr.filters = Expr.pseudos;
  Expr.setFilters = new setFilters();
  
  tokenize = Sizzle.tokenize = function( selector, parseOnly ) {
  	var matched, match, tokens, type,
  		soFar, groups, preFilters,
  		cached = tokenCache[ selector + " " ];
  
  	if ( cached ) {
  		return parseOnly ? 0 : cached.slice( 0 );
  	}
  
  	soFar = selector;
  	groups = [];
  	preFilters = Expr.preFilter;
  
  	while ( soFar ) {
  
  		// Comma and first run
  		if ( !matched || (match = rcomma.exec( soFar )) ) {
  			if ( match ) {
  				// Don't consume trailing commas as valid
  				soFar = soFar.slice( match[0].length ) || soFar;
  			}
  			groups.push( (tokens = []) );
  		}
  
  		matched = false;
  
  		// Combinators
  		if ( (match = rcombinators.exec( soFar )) ) {
  			matched = match.shift();
  			tokens.push({
  				value: matched,
  				// Cast descendant combinators to space
  				type: match[0].replace( rtrim, " " )
  			});
  			soFar = soFar.slice( matched.length );
  		}
  
  		// Filters
  		for ( type in Expr.filter ) {
  			if ( (match = matchExpr[ type ].exec( soFar )) && (!preFilters[ type ] ||
  				(match = preFilters[ type ]( match ))) ) {
  				matched = match.shift();
  				tokens.push({
  					value: matched,
  					type: type,
  					matches: match
  				});
  				soFar = soFar.slice( matched.length );
  			}
  		}
  
  		if ( !matched ) {
  			break;
  		}
  	}
  
  	// Return the length of the invalid excess
  	// if we're just parsing
  	// Otherwise, throw an error or return tokens
  	return parseOnly ?
  		soFar.length :
  		soFar ?
  			Sizzle.error( selector ) :
  			// Cache the tokens
  			tokenCache( selector, groups ).slice( 0 );
  };
  
  function toSelector( tokens ) {
  	var i = 0,
  		len = tokens.length,
  		selector = "";
  	for ( ; i < len; i++ ) {
  		selector += tokens[i].value;
  	}
  	return selector;
  }
  
  function addCombinator( matcher, combinator, base ) {
  	var dir = combinator.dir,
  		skip = combinator.next,
  		key = skip || dir,
  		checkNonElements = base && key === "parentNode",
  		doneName = done++;
  
  	return combinator.first ?
  		// Check against closest ancestor/preceding element
  		function( elem, context, xml ) {
  			while ( (elem = elem[ dir ]) ) {
  				if ( elem.nodeType === 1 || checkNonElements ) {
  					return matcher( elem, context, xml );
  				}
  			}
  		} :
  
  		// Check against all ancestor/preceding elements
  		function( elem, context, xml ) {
  			var oldCache, uniqueCache, outerCache,
  				newCache = [ dirruns, doneName ];
  
  			// We can't set arbitrary data on XML nodes, so they don't benefit from combinator caching
  			if ( xml ) {
  				while ( (elem = elem[ dir ]) ) {
  					if ( elem.nodeType === 1 || checkNonElements ) {
  						if ( matcher( elem, context, xml ) ) {
  							return true;
  						}
  					}
  				}
  			} else {
  				while ( (elem = elem[ dir ]) ) {
  					if ( elem.nodeType === 1 || checkNonElements ) {
  						outerCache = elem[ expando ] || (elem[ expando ] = {});
  
  						// Support: IE <9 only
  						// Defend against cloned attroperties (jQuery gh-1709)
  						uniqueCache = outerCache[ elem.uniqueID ] || (outerCache[ elem.uniqueID ] = {});
  
  						if ( skip && skip === elem.nodeName.toLowerCase() ) {
  							elem = elem[ dir ] || elem;
  						} else if ( (oldCache = uniqueCache[ key ]) &&
  							oldCache[ 0 ] === dirruns && oldCache[ 1 ] === doneName ) {
  
  							// Assign to newCache so results back-propagate to previous elements
  							return (newCache[ 2 ] = oldCache[ 2 ]);
  						} else {
  							// Reuse newcache so results back-propagate to previous elements
  							uniqueCache[ key ] = newCache;
  
  							// A match means we're done; a fail means we have to keep checking
  							if ( (newCache[ 2 ] = matcher( elem, context, xml )) ) {
  								return true;
  							}
  						}
  					}
  				}
  			}
  		};
  }
  
  function elementMatcher( matchers ) {
  	return matchers.length > 1 ?
  		function( elem, context, xml ) {
  			var i = matchers.length;
  			while ( i-- ) {
  				if ( !matchers[i]( elem, context, xml ) ) {
  					return false;
  				}
  			}
  			return true;
  		} :
  		matchers[0];
  }
  
  function multipleContexts( selector, contexts, results ) {
  	var i = 0,
  		len = contexts.length;
  	for ( ; i < len; i++ ) {
  		Sizzle( selector, contexts[i], results );
  	}
  	return results;
  }
  
  function condense( unmatched, map, filter, context, xml ) {
  	var elem,
  		newUnmatched = [],
  		i = 0,
  		len = unmatched.length,
  		mapped = map != null;
  
  	for ( ; i < len; i++ ) {
  		if ( (elem = unmatched[i]) ) {
  			if ( !filter || filter( elem, context, xml ) ) {
  				newUnmatched.push( elem );
  				if ( mapped ) {
  					map.push( i );
  				}
  			}
  		}
  	}
  
  	return newUnmatched;
  }
  
  function setMatcher( preFilter, selector, matcher, postFilter, postFinder, postSelector ) {
  	if ( postFilter && !postFilter[ expando ] ) {
  		postFilter = setMatcher( postFilter );
  	}
  	if ( postFinder && !postFinder[ expando ] ) {
  		postFinder = setMatcher( postFinder, postSelector );
  	}
  	return markFunction(function( seed, results, context, xml ) {
  		var temp, i, elem,
  			preMap = [],
  			postMap = [],
  			preexisting = results.length,
  
  			// Get initial elements from seed or context
  			elems = seed || multipleContexts( selector || "*", context.nodeType ? [ context ] : context, [] ),
  
  			// Prefilter to get matcher input, preserving a map for seed-results synchronization
  			matcherIn = preFilter && ( seed || !selector ) ?
  				condense( elems, preMap, preFilter, context, xml ) :
  				elems,
  
  			matcherOut = matcher ?
  				// If we have a postFinder, or filtered seed, or non-seed postFilter or preexisting results,
  				postFinder || ( seed ? preFilter : preexisting || postFilter ) ?
  
  					// ...intermediate processing is necessary
  					[] :
  
  					// ...otherwise use results directly
  					results :
  				matcherIn;
  
  		// Find primary matches
  		if ( matcher ) {
  			matcher( matcherIn, matcherOut, context, xml );
  		}
  
  		// Apply postFilter
  		if ( postFilter ) {
  			temp = condense( matcherOut, postMap );
  			postFilter( temp, [], context, xml );
  
  			// Un-match failing elements by moving them back to matcherIn
  			i = temp.length;
  			while ( i-- ) {
  				if ( (elem = temp[i]) ) {
  					matcherOut[ postMap[i] ] = !(matcherIn[ postMap[i] ] = elem);
  				}
  			}
  		}
  
  		if ( seed ) {
  			if ( postFinder || preFilter ) {
  				if ( postFinder ) {
  					// Get the final matcherOut by condensing this intermediate into postFinder contexts
  					temp = [];
  					i = matcherOut.length;
  					while ( i-- ) {
  						if ( (elem = matcherOut[i]) ) {
  							// Restore matcherIn since elem is not yet a final match
  							temp.push( (matcherIn[i] = elem) );
  						}
  					}
  					postFinder( null, (matcherOut = []), temp, xml );
  				}
  
  				// Move matched elements from seed to results to keep them synchronized
  				i = matcherOut.length;
  				while ( i-- ) {
  					if ( (elem = matcherOut[i]) &&
  						(temp = postFinder ? indexOf( seed, elem ) : preMap[i]) > -1 ) {
  
  						seed[temp] = !(results[temp] = elem);
  					}
  				}
  			}
  
  		// Add elements to results, through postFinder if defined
  		} else {
  			matcherOut = condense(
  				matcherOut === results ?
  					matcherOut.splice( preexisting, matcherOut.length ) :
  					matcherOut
  			);
  			if ( postFinder ) {
  				postFinder( null, results, matcherOut, xml );
  			} else {
  				push.apply( results, matcherOut );
  			}
  		}
  	});
  }
  
  function matcherFromTokens( tokens ) {
  	var checkContext, matcher, j,
  		len = tokens.length,
  		leadingRelative = Expr.relative[ tokens[0].type ],
  		implicitRelative = leadingRelative || Expr.relative[" "],
  		i = leadingRelative ? 1 : 0,
  
  		// The foundational matcher ensures that elements are reachable from top-level context(s)
  		matchContext = addCombinator( function( elem ) {
  			return elem === checkContext;
  		}, implicitRelative, true ),
  		matchAnyContext = addCombinator( function( elem ) {
  			return indexOf( checkContext, elem ) > -1;
  		}, implicitRelative, true ),
  		matchers = [ function( elem, context, xml ) {
  			var ret = ( !leadingRelative && ( xml || context !== outermostContext ) ) || (
  				(checkContext = context).nodeType ?
  					matchContext( elem, context, xml ) :
  					matchAnyContext( elem, context, xml ) );
  			// Avoid hanging onto element (issue #299)
  			checkContext = null;
  			return ret;
  		} ];
  
  	for ( ; i < len; i++ ) {
  		if ( (matcher = Expr.relative[ tokens[i].type ]) ) {
  			matchers = [ addCombinator(elementMatcher( matchers ), matcher) ];
  		} else {
  			matcher = Expr.filter[ tokens[i].type ].apply( null, tokens[i].matches );
  
  			// Return special upon seeing a positional matcher
  			if ( matcher[ expando ] ) {
  				// Find the next relative operator (if any) for proper handling
  				j = ++i;
  				for ( ; j < len; j++ ) {
  					if ( Expr.relative[ tokens[j].type ] ) {
  						break;
  					}
  				}
  				return setMatcher(
  					i > 1 && elementMatcher( matchers ),
  					i > 1 && toSelector(
  						// If the preceding token was a descendant combinator, insert an implicit any-element `*`
  						tokens.slice( 0, i - 1 ).concat({ value: tokens[ i - 2 ].type === " " ? "*" : "" })
  					).replace( rtrim, "$1" ),
  					matcher,
  					i < j && matcherFromTokens( tokens.slice( i, j ) ),
  					j < len && matcherFromTokens( (tokens = tokens.slice( j )) ),
  					j < len && toSelector( tokens )
  				);
  			}
  			matchers.push( matcher );
  		}
  	}
  
  	return elementMatcher( matchers );
  }
  
  function matcherFromGroupMatchers( elementMatchers, setMatchers ) {
  	var bySet = setMatchers.length > 0,
  		byElement = elementMatchers.length > 0,
  		superMatcher = function( seed, context, xml, results, outermost ) {
  			var elem, j, matcher,
  				matchedCount = 0,
  				i = "0",
  				unmatched = seed && [],
  				setMatched = [],
  				contextBackup = outermostContext,
  				// We must always have either seed elements or outermost context
  				elems = seed || byElement && Expr.find["TAG"]( "*", outermost ),
  				// Use integer dirruns iff this is the outermost matcher
  				dirrunsUnique = (dirruns += contextBackup == null ? 1 : Math.random() || 0.1),
  				len = elems.length;
  
  			if ( outermost ) {
  				outermostContext = context === document || context || outermost;
  			}
  
  			// Add elements passing elementMatchers directly to results
  			// Support: IE<9, Safari
  			// Tolerate NodeList properties (IE: "length"; Safari: <number>) matching elements by id
  			for ( ; i !== len && (elem = elems[i]) != null; i++ ) {
  				if ( byElement && elem ) {
  					j = 0;
  					if ( !context && elem.ownerDocument !== document ) {
  						setDocument( elem );
  						xml = !documentIsHTML;
  					}
  					while ( (matcher = elementMatchers[j++]) ) {
  						if ( matcher( elem, context || document, xml) ) {
  							results.push( elem );
  							break;
  						}
  					}
  					if ( outermost ) {
  						dirruns = dirrunsUnique;
  					}
  				}
  
  				// Track unmatched elements for set filters
  				if ( bySet ) {
  					// They will have gone through all possible matchers
  					if ( (elem = !matcher && elem) ) {
  						matchedCount--;
  					}
  
  					// Lengthen the array for every element, matched or not
  					if ( seed ) {
  						unmatched.push( elem );
  					}
  				}
  			}
  
  			// `i` is now the count of elements visited above, and adding it to `matchedCount`
  			// makes the latter nonnegative.
  			matchedCount += i;
  
  			// Apply set filters to unmatched elements
  			// NOTE: This can be skipped if there are no unmatched elements (i.e., `matchedCount`
  			// equals `i`), unless we didn't visit _any_ elements in the above loop because we have
  			// no element matchers and no seed.
  			// Incrementing an initially-string "0" `i` allows `i` to remain a string only in that
  			// case, which will result in a "00" `matchedCount` that differs from `i` but is also
  			// numerically zero.
  			if ( bySet && i !== matchedCount ) {
  				j = 0;
  				while ( (matcher = setMatchers[j++]) ) {
  					matcher( unmatched, setMatched, context, xml );
  				}
  
  				if ( seed ) {
  					// Reintegrate element matches to eliminate the need for sorting
  					if ( matchedCount > 0 ) {
  						while ( i-- ) {
  							if ( !(unmatched[i] || setMatched[i]) ) {
  								setMatched[i] = pop.call( results );
  							}
  						}
  					}
  
  					// Discard index placeholder values to get only actual matches
  					setMatched = condense( setMatched );
  				}
  
  				// Add matches to results
  				push.apply( results, setMatched );
  
  				// Seedless set matches succeeding multiple successful matchers stipulate sorting
  				if ( outermost && !seed && setMatched.length > 0 &&
  					( matchedCount + setMatchers.length ) > 1 ) {
  
  					Sizzle.uniqueSort( results );
  				}
  			}
  
  			// Override manipulation of globals by nested matchers
  			if ( outermost ) {
  				dirruns = dirrunsUnique;
  				outermostContext = contextBackup;
  			}
  
  			return unmatched;
  		};
  
  	return bySet ?
  		markFunction( superMatcher ) :
  		superMatcher;
  }
  
  compile = Sizzle.compile = function( selector, match /* Internal Use Only */ ) {
  	var i,
  		setMatchers = [],
  		elementMatchers = [],
  		cached = compilerCache[ selector + " " ];
  
  	if ( !cached ) {
  		// Generate a function of recursive functions that can be used to check each element
  		if ( !match ) {
  			match = tokenize( selector );
  		}
  		i = match.length;
  		while ( i-- ) {
  			cached = matcherFromTokens( match[i] );
  			if ( cached[ expando ] ) {
  				setMatchers.push( cached );
  			} else {
  				elementMatchers.push( cached );
  			}
  		}
  
  		// Cache the compiled function
  		cached = compilerCache( selector, matcherFromGroupMatchers( elementMatchers, setMatchers ) );
  
  		// Save selector and tokenization
  		cached.selector = selector;
  	}
  	return cached;
  };
  
  /**
   * A low-level selection function that works with Sizzle's compiled
   *  selector functions
   * @param {String|Function} selector A selector or a pre-compiled
   *  selector function built with Sizzle.compile
   * @param {Element} context
   * @param {Array} [results]
   * @param {Array} [seed] A set of elements to match against
   */
  select = Sizzle.select = function( selector, context, results, seed ) {
  	var i, tokens, token, type, find,
  		compiled = typeof selector === "function" && selector,
  		match = !seed && tokenize( (selector = compiled.selector || selector) );
  
  	results = results || [];
  
  	// Try to minimize operations if there is only one selector in the list and no seed
  	// (the latter of which guarantees us context)
  	if ( match.length === 1 ) {
  
  		// Reduce context if the leading compound selector is an ID
  		tokens = match[0] = match[0].slice( 0 );
  		if ( tokens.length > 2 && (token = tokens[0]).type === "ID" &&
  				support.getById && context.nodeType === 9 && documentIsHTML &&
  				Expr.relative[ tokens[1].type ] ) {
  
  			context = ( Expr.find["ID"]( token.matches[0].replace(runescape, funescape), context ) || [] )[0];
  			if ( !context ) {
  				return results;
  
  			// Precompiled matchers will still verify ancestry, so step up a level
  			} else if ( compiled ) {
  				context = context.parentNode;
  			}
  
  			selector = selector.slice( tokens.shift().value.length );
  		}
  
  		// Fetch a seed set for right-to-left matching
  		i = matchExpr["needsContext"].test( selector ) ? 0 : tokens.length;
  		while ( i-- ) {
  			token = tokens[i];
  
  			// Abort if we hit a combinator
  			if ( Expr.relative[ (type = token.type) ] ) {
  				break;
  			}
  			if ( (find = Expr.find[ type ]) ) {
  				// Search, expanding context for leading sibling combinators
  				if ( (seed = find(
  					token.matches[0].replace( runescape, funescape ),
  					rsibling.test( tokens[0].type ) && testContext( context.parentNode ) || context
  				)) ) {
  
  					// If seed is empty or no tokens remain, we can return early
  					tokens.splice( i, 1 );
  					selector = seed.length && toSelector( tokens );
  					if ( !selector ) {
  						push.apply( results, seed );
  						return results;
  					}
  
  					break;
  				}
  			}
  		}
  	}
  
  	// Compile and execute a filtering function if one is not provided
  	// Provide `match` to avoid retokenization if we modified the selector above
  	( compiled || compile( selector, match ) )(
  		seed,
  		context,
  		!documentIsHTML,
  		results,
  		!context || rsibling.test( selector ) && testContext( context.parentNode ) || context
  	);
  	return results;
  };
  
  // One-time assignments
  
  // Sort stability
  support.sortStable = expando.split("").sort( sortOrder ).join("") === expando;
  
  // Support: Chrome 14-35+
  // Always assume duplicates if they aren't passed to the comparison function
  support.detectDuplicates = !!hasDuplicate;
  
  // Initialize against the default document
  setDocument();
  
  // Support: Webkit<537.32 - Safari 6.0.3/Chrome 25 (fixed in Chrome 27)
  // Detached nodes confoundingly follow *each other*
  support.sortDetached = assert(function( el ) {
  	// Should return 1, but returns 4 (following)
  	return el.compareDocumentPosition( document.createElement("fieldset") ) & 1;
  });
  
  // Support: IE<8
  // Prevent attribute/property "interpolation"
  // https://msdn.microsoft.com/en-us/library/ms536429%28VS.85%29.aspx
  if ( !assert(function( el ) {
  	el.innerHTML = "<a href='#'></a>";
  	return el.firstChild.getAttribute("href") === "#" ;
  }) ) {
  	addHandle( "type|href|height|width", function( elem, name, isXML ) {
  		if ( !isXML ) {
  			return elem.getAttribute( name, name.toLowerCase() === "type" ? 1 : 2 );
  		}
  	});
  }
  
  // Support: IE<9
  // Use defaultValue in place of getAttribute("value")
  if ( !support.attributes || !assert(function( el ) {
  	el.innerHTML = "<input/>";
  	el.firstChild.setAttribute( "value", "" );
  	return el.firstChild.getAttribute( "value" ) === "";
  }) ) {
  	addHandle( "value", function( elem, name, isXML ) {
  		if ( !isXML && elem.nodeName.toLowerCase() === "input" ) {
  			return elem.defaultValue;
  		}
  	});
  }
  
  // Support: IE<9
  // Use getAttributeNode to fetch booleans when getAttribute lies
  if ( !assert(function( el ) {
  	return el.getAttribute("disabled") == null;
  }) ) {
  	addHandle( booleans, function( elem, name, isXML ) {
  		var val;
  		if ( !isXML ) {
  			return elem[ name ] === true ? name.toLowerCase() :
  					(val = elem.getAttributeNode( name )) && val.specified ?
  					val.value :
  				null;
  		}
  	});
  }
  
  return Sizzle;
  
  })( window );
  
  
  
  jQuery.find = Sizzle;
  jQuery.expr = Sizzle.selectors;
  
  // Deprecated
  jQuery.expr[ ":" ] = jQuery.expr.pseudos;
  jQuery.uniqueSort = jQuery.unique = Sizzle.uniqueSort;
  jQuery.text = Sizzle.getText;
  jQuery.isXMLDoc = Sizzle.isXML;
  jQuery.contains = Sizzle.contains;
  jQuery.escapeSelector = Sizzle.escape;
  
  
  
  var dir = function( elem, dir, until ) {
  	var matched = [],
  		truncate = until !== undefined;
  
  	while ( ( elem = elem[ dir ] ) && elem.nodeType !== 9 ) {
  		if ( elem.nodeType === 1 ) {
  			if ( truncate && jQuery( elem ).is( until ) ) {
  				break;
  			}
  			matched.push( elem );
  		}
  	}
  	return matched;
  };
  
  
  var siblings = function( n, elem ) {
  	var matched = [];
  
  	for ( ; n; n = n.nextSibling ) {
  		if ( n.nodeType === 1 && n !== elem ) {
  			matched.push( n );
  		}
  	}
  
  	return matched;
  };
  
  
  var rneedsContext = jQuery.expr.match.needsContext;
  
  var rsingleTag = ( /^<([a-z][^\/\0>:\x20\t\r\n\f]*)[\x20\t\r\n\f]*\/?>(?:<\/\1>|)$/i );
  
  
  
  var risSimple = /^.[^:#\[\.,]*$/;
  
  // Implement the identical functionality for filter and not
  function winnow( elements, qualifier, not ) {
  	if ( jQuery.isFunction( qualifier ) ) {
  		return jQuery.grep( elements, function( elem, i ) {
  			/* jshint -W018 */
  			return !!qualifier.call( elem, i, elem ) !== not;
  		} );
  
  	}
  
  	if ( qualifier.nodeType ) {
  		return jQuery.grep( elements, function( elem ) {
  			return ( elem === qualifier ) !== not;
  		} );
  
  	}
  
  	if ( typeof qualifier === "string" ) {
  		if ( risSimple.test( qualifier ) ) {
  			return jQuery.filter( qualifier, elements, not );
  		}
  
  		qualifier = jQuery.filter( qualifier, elements );
  	}
  
  	return jQuery.grep( elements, function( elem ) {
  		return ( indexOf.call( qualifier, elem ) > -1 ) !== not && elem.nodeType === 1;
  	} );
  }
  
  jQuery.filter = function( expr, elems, not ) {
  	var elem = elems[ 0 ];
  
  	if ( not ) {
  		expr = ":not(" + expr + ")";
  	}
  
  	return elems.length === 1 && elem.nodeType === 1 ?
  		jQuery.find.matchesSelector( elem, expr ) ? [ elem ] : [] :
  		jQuery.find.matches( expr, jQuery.grep( elems, function( elem ) {
  			return elem.nodeType === 1;
  		} ) );
  };
  
  jQuery.fn.extend( {
  	find: function( selector ) {
  		var i, ret,
  			len = this.length,
  			self = this;
  
  		if ( typeof selector !== "string" ) {
  			return this.pushStack( jQuery( selector ).filter( function() {
  				for ( i = 0; i < len; i++ ) {
  					if ( jQuery.contains( self[ i ], this ) ) {
  						return true;
  					}
  				}
  			} ) );
  		}
  
  		ret = this.pushStack( [] );
  
  		for ( i = 0; i < len; i++ ) {
  			jQuery.find( selector, self[ i ], ret );
  		}
  
  		return len > 1 ? jQuery.uniqueSort( ret ) : ret;
  	},
  	filter: function( selector ) {
  		return this.pushStack( winnow( this, selector || [], false ) );
  	},
  	not: function( selector ) {
  		return this.pushStack( winnow( this, selector || [], true ) );
  	},
  	is: function( selector ) {
  		return !!winnow(
  			this,
  
  			// If this is a positional/relative selector, check membership in the returned set
  			// so $("p:first").is("p:last") won't return true for a doc with two "p".
  			typeof selector === "string" && rneedsContext.test( selector ) ?
  				jQuery( selector ) :
  				selector || [],
  			false
  		).length;
  	}
  } );
  
  
  // Initialize a jQuery object
  
  
  // A central reference to the root jQuery(document)
  var rootjQuery,
  
  	// A simple way to check for HTML strings
  	// Prioritize #id over <tag> to avoid XSS via location.hash (#9521)
  	// Strict HTML recognition (#11290: must start with <)
  	// Shortcut simple #id case for speed
  	rquickExpr = /^(?:\s*(<[\w\W]+>)[^>]*|#([\w-]+))$/,
  
  	init = jQuery.fn.init = function( selector, context, root ) {
  		var match, elem;
  
  		// HANDLE: $(""), $(null), $(undefined), $(false)
  		if ( !selector ) {
  			return this;
  		}
  
  		// Method init() accepts an alternate rootjQuery
  		// so migrate can support jQuery.sub (gh-2101)
  		root = root || rootjQuery;
  
  		// Handle HTML strings
  		if ( typeof selector === "string" ) {
  			if ( selector[ 0 ] === "<" &&
  				selector[ selector.length - 1 ] === ">" &&
  				selector.length >= 3 ) {
  
  				// Assume that strings that start and end with <> are HTML and skip the regex check
  				match = [ null, selector, null ];
  
  			} else {
  				match = rquickExpr.exec( selector );
  			}
  
  			// Match html or make sure no context is specified for #id
  			if ( match && ( match[ 1 ] || !context ) ) {
  
  				// HANDLE: $(html) -> $(array)
  				if ( match[ 1 ] ) {
  					context = context instanceof jQuery ? context[ 0 ] : context;
  
  					// Option to run scripts is true for back-compat
  					// Intentionally let the error be thrown if parseHTML is not present
  					jQuery.merge( this, jQuery.parseHTML(
  						match[ 1 ],
  						context && context.nodeType ? context.ownerDocument || context : document,
  						true
  					) );
  
  					// HANDLE: $(html, props)
  					if ( rsingleTag.test( match[ 1 ] ) && jQuery.isPlainObject( context ) ) {
  						for ( match in context ) {
  
  							// Properties of context are called as methods if possible
  							if ( jQuery.isFunction( this[ match ] ) ) {
  								this[ match ]( context[ match ] );
  
  							// ...and otherwise set as attributes
  							} else {
  								this.attr( match, context[ match ] );
  							}
  						}
  					}
  
  					return this;
  
  				// HANDLE: $(#id)
  				} else {
  					elem = document.getElementById( match[ 2 ] );
  
  					if ( elem ) {
  
  						// Inject the element directly into the jQuery object
  						this[ 0 ] = elem;
  						this.length = 1;
  					}
  					return this;
  				}
  
  			// HANDLE: $(expr, $(...))
  			} else if ( !context || context.jquery ) {
  				return ( context || root ).find( selector );
  
  			// HANDLE: $(expr, context)
  			// (which is just equivalent to: $(context).find(expr)
  			} else {
  				return this.constructor( context ).find( selector );
  			}
  
  		// HANDLE: $(DOMElement)
  		} else if ( selector.nodeType ) {
  			this[ 0 ] = selector;
  			this.length = 1;
  			return this;
  
  		// HANDLE: $(function)
  		// Shortcut for document ready
  		} else if ( jQuery.isFunction( selector ) ) {
  			return root.ready !== undefined ?
  				root.ready( selector ) :
  
  				// Execute immediately if ready is not present
  				selector( jQuery );
  		}
  
  		return jQuery.makeArray( selector, this );
  	};
  
  // Give the init function the jQuery prototype for later instantiation
  init.prototype = jQuery.fn;
  
  // Initialize central reference
  rootjQuery = jQuery( document );
  
  
  var rparentsprev = /^(?:parents|prev(?:Until|All))/,
  
  	// Methods guaranteed to produce a unique set when starting from a unique set
  	guaranteedUnique = {
  		children: true,
  		contents: true,
  		next: true,
  		prev: true
  	};
  
  jQuery.fn.extend( {
  	has: function( target ) {
  		var targets = jQuery( target, this ),
  			l = targets.length;
  
  		return this.filter( function() {
  			var i = 0;
  			for ( ; i < l; i++ ) {
  				if ( jQuery.contains( this, targets[ i ] ) ) {
  					return true;
  				}
  			}
  		} );
  	},
  
  	closest: function( selectors, context ) {
  		var cur,
  			i = 0,
  			l = this.length,
  			matched = [],
  			targets = typeof selectors !== "string" && jQuery( selectors );
  
  		// Positional selectors never match, since there's no _selection_ context
  		if ( !rneedsContext.test( selectors ) ) {
  			for ( ; i < l; i++ ) {
  				for ( cur = this[ i ]; cur && cur !== context; cur = cur.parentNode ) {
  
  					// Always skip document fragments
  					if ( cur.nodeType < 11 && ( targets ?
  						targets.index( cur ) > -1 :
  
  						// Don't pass non-elements to Sizzle
  						cur.nodeType === 1 &&
  							jQuery.find.matchesSelector( cur, selectors ) ) ) {
  
  						matched.push( cur );
  						break;
  					}
  				}
  			}
  		}
  
  		return this.pushStack( matched.length > 1 ? jQuery.uniqueSort( matched ) : matched );
  	},
  
  	// Determine the position of an element within the set
  	index: function( elem ) {
  
  		// No argument, return index in parent
  		if ( !elem ) {
  			return ( this[ 0 ] && this[ 0 ].parentNode ) ? this.first().prevAll().length : -1;
  		}
  
  		// Index in selector
  		if ( typeof elem === "string" ) {
  			return indexOf.call( jQuery( elem ), this[ 0 ] );
  		}
  
  		// Locate the position of the desired element
  		return indexOf.call( this,
  
  			// If it receives a jQuery object, the first element is used
  			elem.jquery ? elem[ 0 ] : elem
  		);
  	},
  
  	add: function( selector, context ) {
  		return this.pushStack(
  			jQuery.uniqueSort(
  				jQuery.merge( this.get(), jQuery( selector, context ) )
  			)
  		);
  	},
  
  	addBack: function( selector ) {
  		return this.add( selector == null ?
  			this.prevObject : this.prevObject.filter( selector )
  		);
  	}
  } );
  
  function sibling( cur, dir ) {
  	while ( ( cur = cur[ dir ] ) && cur.nodeType !== 1 ) {}
  	return cur;
  }
  
  jQuery.each( {
  	parent: function( elem ) {
  		var parent = elem.parentNode;
  		return parent && parent.nodeType !== 11 ? parent : null;
  	},
  	parents: function( elem ) {
  		return dir( elem, "parentNode" );
  	},
  	parentsUntil: function( elem, i, until ) {
  		return dir( elem, "parentNode", until );
  	},
  	next: function( elem ) {
  		return sibling( elem, "nextSibling" );
  	},
  	prev: function( elem ) {
  		return sibling( elem, "previousSibling" );
  	},
  	nextAll: function( elem ) {
  		return dir( elem, "nextSibling" );
  	},
  	prevAll: function( elem ) {
  		return dir( elem, "previousSibling" );
  	},
  	nextUntil: function( elem, i, until ) {
  		return dir( elem, "nextSibling", until );
  	},
  	prevUntil: function( elem, i, until ) {
  		return dir( elem, "previousSibling", until );
  	},
  	siblings: function( elem ) {
  		return siblings( ( elem.parentNode || {} ).firstChild, elem );
  	},
  	children: function( elem ) {
  		return siblings( elem.firstChild );
  	},
  	contents: function( elem ) {
  		return elem.contentDocument || jQuery.merge( [], elem.childNodes );
  	}
  }, function( name, fn ) {
  	jQuery.fn[ name ] = function( until, selector ) {
  		var matched = jQuery.map( this, fn, until );
  
  		if ( name.slice( -5 ) !== "Until" ) {
  			selector = until;
  		}
  
  		if ( selector && typeof selector === "string" ) {
  			matched = jQuery.filter( selector, matched );
  		}
  
  		if ( this.length > 1 ) {
  
  			// Remove duplicates
  			if ( !guaranteedUnique[ name ] ) {
  				jQuery.uniqueSort( matched );
  			}
  
  			// Reverse order for parents* and prev-derivatives
  			if ( rparentsprev.test( name ) ) {
  				matched.reverse();
  			}
  		}
  
  		return this.pushStack( matched );
  	};
  } );
  var rnotwhite = ( /\S+/g );
  
  
  
  // Convert String-formatted options into Object-formatted ones
  function createOptions( options ) {
  	var object = {};
  	jQuery.each( options.match( rnotwhite ) || [], function( _, flag ) {
  		object[ flag ] = true;
  	} );
  	return object;
  }
  
  /*
   * Create a callback list using the following parameters:
   *
   *	options: an optional list of space-separated options that will change how
   *			the callback list behaves or a more traditional option object
   *
   * By default a callback list will act like an event callback list and can be
   * "fired" multiple times.
   *
   * Possible options:
   *
   *	once:			will ensure the callback list can only be fired once (like a Deferred)
   *
   *	memory:			will keep track of previous values and will call any callback added
   *					after the list has been fired right away with the latest "memorized"
   *					values (like a Deferred)
   *
   *	unique:			will ensure a callback can only be added once (no duplicate in the list)
   *
   *	stopOnFalse:	interrupt callings when a callback returns false
   *
   */
  jQuery.Callbacks = function( options ) {
  
  	// Convert options from String-formatted to Object-formatted if needed
  	// (we check in cache first)
  	options = typeof options === "string" ?
  		createOptions( options ) :
  		jQuery.extend( {}, options );
  
  	var // Flag to know if list is currently firing
  		firing,
  
  		// Last fire value for non-forgettable lists
  		memory,
  
  		// Flag to know if list was already fired
  		fired,
  
  		// Flag to prevent firing
  		locked,
  
  		// Actual callback list
  		list = [],
  
  		// Queue of execution data for repeatable lists
  		queue = [],
  
  		// Index of currently firing callback (modified by add/remove as needed)
  		firingIndex = -1,
  
  		// Fire callbacks
  		fire = function() {
  
  			// Enforce single-firing
  			locked = options.once;
  
  			// Execute callbacks for all pending executions,
  			// respecting firingIndex overrides and runtime changes
  			fired = firing = true;
  			for ( ; queue.length; firingIndex = -1 ) {
  				memory = queue.shift();
  				while ( ++firingIndex < list.length ) {
  
  					// Run callback and check for early termination
  					if ( list[ firingIndex ].apply( memory[ 0 ], memory[ 1 ] ) === false &&
  						options.stopOnFalse ) {
  
  						// Jump to end and forget the data so .add doesn't re-fire
  						firingIndex = list.length;
  						memory = false;
  					}
  				}
  			}
  
  			// Forget the data if we're done with it
  			if ( !options.memory ) {
  				memory = false;
  			}
  
  			firing = false;
  
  			// Clean up if we're done firing for good
  			if ( locked ) {
  
  				// Keep an empty list if we have data for future add calls
  				if ( memory ) {
  					list = [];
  
  				// Otherwise, this object is spent
  				} else {
  					list = "";
  				}
  			}
  		},
  
  		// Actual Callbacks object
  		self = {
  
  			// Add a callback or a collection of callbacks to the list
  			add: function() {
  				if ( list ) {
  
  					// If we have memory from a past run, we should fire after adding
  					if ( memory && !firing ) {
  						firingIndex = list.length - 1;
  						queue.push( memory );
  					}
  
  					( function add( args ) {
  						jQuery.each( args, function( _, arg ) {
  							if ( jQuery.isFunction( arg ) ) {
  								if ( !options.unique || !self.has( arg ) ) {
  									list.push( arg );
  								}
  							} else if ( arg && arg.length && jQuery.type( arg ) !== "string" ) {
  
  								// Inspect recursively
  								add( arg );
  							}
  						} );
  					} )( arguments );
  
  					if ( memory && !firing ) {
  						fire();
  					}
  				}
  				return this;
  			},
  
  			// Remove a callback from the list
  			remove: function() {
  				jQuery.each( arguments, function( _, arg ) {
  					var index;
  					while ( ( index = jQuery.inArray( arg, list, index ) ) > -1 ) {
  						list.splice( index, 1 );
  
  						// Handle firing indexes
  						if ( index <= firingIndex ) {
  							firingIndex--;
  						}
  					}
  				} );
  				return this;
  			},
  
  			// Check if a given callback is in the list.
  			// If no argument is given, return whether or not list has callbacks attached.
  			has: function( fn ) {
  				return fn ?
  					jQuery.inArray( fn, list ) > -1 :
  					list.length > 0;
  			},
  
  			// Remove all callbacks from the list
  			empty: function() {
  				if ( list ) {
  					list = [];
  				}
  				return this;
  			},
  
  			// Disable .fire and .add
  			// Abort any current/pending executions
  			// Clear all callbacks and values
  			disable: function() {
  				locked = queue = [];
  				list = memory = "";
  				return this;
  			},
  			disabled: function() {
  				return !list;
  			},
  
  			// Disable .fire
  			// Also disable .add unless we have memory (since it would have no effect)
  			// Abort any pending executions
  			lock: function() {
  				locked = queue = [];
  				if ( !memory && !firing ) {
  					list = memory = "";
  				}
  				return this;
  			},
  			locked: function() {
  				return !!locked;
  			},
  
  			// Call all callbacks with the given context and arguments
  			fireWith: function( context, args ) {
  				if ( !locked ) {
  					args = args || [];
  					args = [ context, args.slice ? args.slice() : args ];
  					queue.push( args );
  					if ( !firing ) {
  						fire();
  					}
  				}
  				return this;
  			},
  
  			// Call all the callbacks with the given arguments
  			fire: function() {
  				self.fireWith( this, arguments );
  				return this;
  			},
  
  			// To know if the callbacks have already been called at least once
  			fired: function() {
  				return !!fired;
  			}
  		};
  
  	return self;
  };
  
  
  function Identity( v ) {
  	return v;
  }
  function Thrower( ex ) {
  	throw ex;
  }
  
  function adoptValue( value, resolve, reject ) {
  	var method;
  
  	try {
  
  		// Check for promise aspect first to privilege synchronous behavior
  		if ( value && jQuery.isFunction( ( method = value.promise ) ) ) {
  			method.call( value ).done( resolve ).fail( reject );
  
  		// Other thenables
  		} else if ( value && jQuery.isFunction( ( method = value.then ) ) ) {
  			method.call( value, resolve, reject );
  
  		// Other non-thenables
  		} else {
  
  			// Support: Android 4.0 only
  			// Strict mode functions invoked without .call/.apply get global-object context
  			resolve.call( undefined, value );
  		}
  
  	// For Promises/A+, convert exceptions into rejections
  	// Since jQuery.when doesn't unwrap thenables, we can skip the extra checks appearing in
  	// Deferred#then to conditionally suppress rejection.
  	} catch ( /*jshint -W002 */ value ) {
  
  		// Support: Android 4.0 only
  		// Strict mode functions invoked without .call/.apply get global-object context
  		reject.call( undefined, value );
  	}
  }
  
  jQuery.extend( {
  
  	Deferred: function( func ) {
  		var tuples = [
  
  				// action, add listener, callbacks,
  				// ... .then handlers, argument index, [final state]
  				[ "notify", "progress", jQuery.Callbacks( "memory" ),
  					jQuery.Callbacks( "memory" ), 2 ],
  				[ "resolve", "done", jQuery.Callbacks( "once memory" ),
  					jQuery.Callbacks( "once memory" ), 0, "resolved" ],
  				[ "reject", "fail", jQuery.Callbacks( "once memory" ),
  					jQuery.Callbacks( "once memory" ), 1, "rejected" ]
  			],
  			state = "pending",
  			promise = {
  				state: function() {
  					return state;
  				},
  				always: function() {
  					deferred.done( arguments ).fail( arguments );
  					return this;
  				},
  				"catch": function( fn ) {
  					return promise.then( null, fn );
  				},
  
  				// Keep pipe for back-compat
  				pipe: function( /* fnDone, fnFail, fnProgress */ ) {
  					var fns = arguments;
  
  					return jQuery.Deferred( function( newDefer ) {
  						jQuery.each( tuples, function( i, tuple ) {
  
  							// Map tuples (progress, done, fail) to arguments (done, fail, progress)
  							var fn = jQuery.isFunction( fns[ tuple[ 4 ] ] ) && fns[ tuple[ 4 ] ];
  
  							// deferred.progress(function() { bind to newDefer or newDefer.notify })
  							// deferred.done(function() { bind to newDefer or newDefer.resolve })
  							// deferred.fail(function() { bind to newDefer or newDefer.reject })
  							deferred[ tuple[ 1 ] ]( function() {
  								var returned = fn && fn.apply( this, arguments );
  								if ( returned && jQuery.isFunction( returned.promise ) ) {
  									returned.promise()
  										.progress( newDefer.notify )
  										.done( newDefer.resolve )
  										.fail( newDefer.reject );
  								} else {
  									newDefer[ tuple[ 0 ] + "With" ](
  										this,
  										fn ? [ returned ] : arguments
  									);
  								}
  							} );
  						} );
  						fns = null;
  					} ).promise();
  				},
  				then: function( onFulfilled, onRejected, onProgress ) {
  					var maxDepth = 0;
  					function resolve( depth, deferred, handler, special ) {
  						return function() {
  							var that = this,
  								args = arguments,
  								mightThrow = function() {
  									var returned, then;
  
  									// Support: Promises/A+ section 2.3.3.3.3
  									// https://promisesaplus.com/#point-59
  									// Ignore double-resolution attempts
  									if ( depth < maxDepth ) {
  										return;
  									}
  
  									returned = handler.apply( that, args );
  
  									// Support: Promises/A+ section 2.3.1
  									// https://promisesaplus.com/#point-48
  									if ( returned === deferred.promise() ) {
  										throw new TypeError( "Thenable self-resolution" );
  									}
  
  									// Support: Promises/A+ sections 2.3.3.1, 3.5
  									// https://promisesaplus.com/#point-54
  									// https://promisesaplus.com/#point-75
  									// Retrieve `then` only once
  									then = returned &&
  
  										// Support: Promises/A+ section 2.3.4
  										// https://promisesaplus.com/#point-64
  										// Only check objects and functions for thenability
  										( typeof returned === "object" ||
  											typeof returned === "function" ) &&
  										returned.then;
  
  									// Handle a returned thenable
  									if ( jQuery.isFunction( then ) ) {
  
  										// Special processors (notify) just wait for resolution
  										if ( special ) {
  											then.call(
  												returned,
  												resolve( maxDepth, deferred, Identity, special ),
  												resolve( maxDepth, deferred, Thrower, special )
  											);
  
  										// Normal processors (resolve) also hook into progress
  										} else {
  
  											// ...and disregard older resolution values
  											maxDepth++;
  
  											then.call(
  												returned,
  												resolve( maxDepth, deferred, Identity, special ),
  												resolve( maxDepth, deferred, Thrower, special ),
  												resolve( maxDepth, deferred, Identity,
  													deferred.notifyWith )
  											);
  										}
  
  									// Handle all other returned values
  									} else {
  
  										// Only substitute handlers pass on context
  										// and multiple values (non-spec behavior)
  										if ( handler !== Identity ) {
  											that = undefined;
  											args = [ returned ];
  										}
  
  										// Process the value(s)
  										// Default process is resolve
  										( special || deferred.resolveWith )( that, args );
  									}
  								},
  
  								// Only normal processors (resolve) catch and reject exceptions
  								process = special ?
  									mightThrow :
  									function() {
  										try {
  											mightThrow();
  										} catch ( e ) {
  
  											if ( jQuery.Deferred.exceptionHook ) {
  												jQuery.Deferred.exceptionHook( e,
  													process.stackTrace );
  											}
  
  											// Support: Promises/A+ section 2.3.3.3.4.1
  											// https://promisesaplus.com/#point-61
  											// Ignore post-resolution exceptions
  											if ( depth + 1 >= maxDepth ) {
  
  												// Only substitute handlers pass on context
  												// and multiple values (non-spec behavior)
  												if ( handler !== Thrower ) {
  													that = undefined;
  													args = [ e ];
  												}
  
  												deferred.rejectWith( that, args );
  											}
  										}
  									};
  
  							// Support: Promises/A+ section 2.3.3.3.1
  							// https://promisesaplus.com/#point-57
  							// Re-resolve promises immediately to dodge false rejection from
  							// subsequent errors
  							if ( depth ) {
  								process();
  							} else {
  
  								// Call an optional hook to record the stack, in case of exception
  								// since it's otherwise lost when execution goes async
  								if ( jQuery.Deferred.getStackHook ) {
  									process.stackTrace = jQuery.Deferred.getStackHook();
  								}
  								window.setTimeout( process );
  							}
  						};
  					}
  
  					return jQuery.Deferred( function( newDefer ) {
  
  						// progress_handlers.add( ... )
  						tuples[ 0 ][ 3 ].add(
  							resolve(
  								0,
  								newDefer,
  								jQuery.isFunction( onProgress ) ?
  									onProgress :
  									Identity,
  								newDefer.notifyWith
  							)
  						);
  
  						// fulfilled_handlers.add( ... )
  						tuples[ 1 ][ 3 ].add(
  							resolve(
  								0,
  								newDefer,
  								jQuery.isFunction( onFulfilled ) ?
  									onFulfilled :
  									Identity
  							)
  						);
  
  						// rejected_handlers.add( ... )
  						tuples[ 2 ][ 3 ].add(
  							resolve(
  								0,
  								newDefer,
  								jQuery.isFunction( onRejected ) ?
  									onRejected :
  									Thrower
  							)
  						);
  					} ).promise();
  				},
  
  				// Get a promise for this deferred
  				// If obj is provided, the promise aspect is added to the object
  				promise: function( obj ) {
  					return obj != null ? jQuery.extend( obj, promise ) : promise;
  				}
  			},
  			deferred = {};
  
  		// Add list-specific methods
  		jQuery.each( tuples, function( i, tuple ) {
  			var list = tuple[ 2 ],
  				stateString = tuple[ 5 ];
  
  			// promise.progress = list.add
  			// promise.done = list.add
  			// promise.fail = list.add
  			promise[ tuple[ 1 ] ] = list.add;
  
  			// Handle state
  			if ( stateString ) {
  				list.add(
  					function() {
  
  						// state = "resolved" (i.e., fulfilled)
  						// state = "rejected"
  						state = stateString;
  					},
  
  					// rejected_callbacks.disable
  					// fulfilled_callbacks.disable
  					tuples[ 3 - i ][ 2 ].disable,
  
  					// progress_callbacks.lock
  					tuples[ 0 ][ 2 ].lock
  				);
  			}
  
  			// progress_handlers.fire
  			// fulfilled_handlers.fire
  			// rejected_handlers.fire
  			list.add( tuple[ 3 ].fire );
  
  			// deferred.notify = function() { deferred.notifyWith(...) }
  			// deferred.resolve = function() { deferred.resolveWith(...) }
  			// deferred.reject = function() { deferred.rejectWith(...) }
  			deferred[ tuple[ 0 ] ] = function() {
  				deferred[ tuple[ 0 ] + "With" ]( this === deferred ? undefined : this, arguments );
  				return this;
  			};
  
  			// deferred.notifyWith = list.fireWith
  			// deferred.resolveWith = list.fireWith
  			// deferred.rejectWith = list.fireWith
  			deferred[ tuple[ 0 ] + "With" ] = list.fireWith;
  		} );
  
  		// Make the deferred a promise
  		promise.promise( deferred );
  
  		// Call given func if any
  		if ( func ) {
  			func.call( deferred, deferred );
  		}
  
  		// All done!
  		return deferred;
  	},
  
  	// Deferred helper
  	when: function( singleValue ) {
  		var
  
  			// count of uncompleted subordinates
  			remaining = arguments.length,
  
  			// count of unprocessed arguments
  			i = remaining,
  
  			// subordinate fulfillment data
  			resolveContexts = Array( i ),
  			resolveValues = slice.call( arguments ),
  
  			// the master Deferred
  			master = jQuery.Deferred(),
  
  			// subordinate callback factory
  			updateFunc = function( i ) {
  				return function( value ) {
  					resolveContexts[ i ] = this;
  					resolveValues[ i ] = arguments.length > 1 ? slice.call( arguments ) : value;
  					if ( !( --remaining ) ) {
  						master.resolveWith( resolveContexts, resolveValues );
  					}
  				};
  			};
  
  		// Single- and empty arguments are adopted like Promise.resolve
  		if ( remaining <= 1 ) {
  			adoptValue( singleValue, master.done( updateFunc( i ) ).resolve, master.reject );
  
  			// Use .then() to unwrap secondary thenables (cf. gh-3000)
  			if ( master.state() === "pending" ||
  				jQuery.isFunction( resolveValues[ i ] && resolveValues[ i ].then ) ) {
  
  				return master.then();
  			}
  		}
  
  		// Multiple arguments are aggregated like Promise.all array elements
  		while ( i-- ) {
  			adoptValue( resolveValues[ i ], updateFunc( i ), master.reject );
  		}
  
  		return master.promise();
  	}
  } );
  
  
  // These usually indicate a programmer mistake during development,
  // warn about them ASAP rather than swallowing them by default.
  var rerrorNames = /^(Eval|Internal|Range|Reference|Syntax|Type|URI)Error$/;
  
  jQuery.Deferred.exceptionHook = function( error, stack ) {
  
  	// Support: IE 8 - 9 only
  	// Console exists when dev tools are open, which can happen at any time
  	if ( window.console && window.console.warn && error && rerrorNames.test( error.name ) ) {
  		window.console.warn( "jQuery.Deferred exception: " + error.message, error.stack, stack );
  	}
  };
  
  
  
  
  // The deferred used on DOM ready
  var readyList = jQuery.Deferred();
  
  jQuery.fn.ready = function( fn ) {
  
  	readyList.then( fn );
  
  	return this;
  };
  
  jQuery.extend( {
  
  	// Is the DOM ready to be used? Set to true once it occurs.
  	isReady: false,
  
  	// A counter to track how many items to wait for before
  	// the ready event fires. See #6781
  	readyWait: 1,
  
  	// Hold (or release) the ready event
  	holdReady: function( hold ) {
  		if ( hold ) {
  			jQuery.readyWait++;
  		} else {
  			jQuery.ready( true );
  		}
  	},
  
  	// Handle when the DOM is ready
  	ready: function( wait ) {
  
  		// Abort if there are pending holds or we're already ready
  		if ( wait === true ? --jQuery.readyWait : jQuery.isReady ) {
  			return;
  		}
  
  		// Remember that the DOM is ready
  		jQuery.isReady = true;
  
  		// If a normal DOM Ready event fired, decrement, and wait if need be
  		if ( wait !== true && --jQuery.readyWait > 0 ) {
  			return;
  		}
  
  		// If there are functions bound, to execute
  		readyList.resolveWith( document, [ jQuery ] );
  	}
  } );
  
  jQuery.ready.then = readyList.then;
  
  // The ready event handler and self cleanup method
  function completed() {
  	document.removeEventListener( "DOMContentLoaded", completed );
  	window.removeEventListener( "load", completed );
  	jQuery.ready();
  }
  
  // Catch cases where $(document).ready() is called
  // after the browser event has already occurred.
  // Support: IE <=9 - 10 only
  // Older IE sometimes signals "interactive" too soon
  if ( document.readyState === "complete" ||
  	( document.readyState !== "loading" && !document.documentElement.doScroll ) ) {
  
  	// Handle it asynchronously to allow scripts the opportunity to delay ready
  	window.setTimeout( jQuery.ready );
  
  } else {
  
  	// Use the handy event callback
  	document.addEventListener( "DOMContentLoaded", completed );
  
  	// A fallback to window.onload, that will always work
  	window.addEventListener( "load", completed );
  }
  
  
  
  
  // Multifunctional method to get and set values of a collection
  // The value/s can optionally be executed if it's a function
  var access = function( elems, fn, key, value, chainable, emptyGet, raw ) {
  	var i = 0,
  		len = elems.length,
  		bulk = key == null;
  
  	// Sets many values
  	if ( jQuery.type( key ) === "object" ) {
  		chainable = true;
  		for ( i in key ) {
  			access( elems, fn, i, key[ i ], true, emptyGet, raw );
  		}
  
  	// Sets one value
  	} else if ( value !== undefined ) {
  		chainable = true;
  
  		if ( !jQuery.isFunction( value ) ) {
  			raw = true;
  		}
  
  		if ( bulk ) {
  
  			// Bulk operations run against the entire set
  			if ( raw ) {
  				fn.call( elems, value );
  				fn = null;
  
  			// ...except when executing function values
  			} else {
  				bulk = fn;
  				fn = function( elem, key, value ) {
  					return bulk.call( jQuery( elem ), value );
  				};
  			}
  		}
  
  		if ( fn ) {
  			for ( ; i < len; i++ ) {
  				fn(
  					elems[ i ], key, raw ?
  					value :
  					value.call( elems[ i ], i, fn( elems[ i ], key ) )
  				);
  			}
  		}
  	}
  
  	return chainable ?
  		elems :
  
  		// Gets
  		bulk ?
  			fn.call( elems ) :
  			len ? fn( elems[ 0 ], key ) : emptyGet;
  };
  var acceptData = function( owner ) {
  
  	// Accepts only:
  	//  - Node
  	//    - Node.ELEMENT_NODE
  	//    - Node.DOCUMENT_NODE
  	//  - Object
  	//    - Any
  	/* jshint -W018 */
  	return owner.nodeType === 1 || owner.nodeType === 9 || !( +owner.nodeType );
  };
  
  
  
  
  function Data() {
  	this.expando = jQuery.expando + Data.uid++;
  }
  
  Data.uid = 1;
  
  Data.prototype = {
  
  	cache: function( owner ) {
  
  		// Check if the owner object already has a cache
  		var value = owner[ this.expando ];
  
  		// If not, create one
  		if ( !value ) {
  			value = {};
  
  			// We can accept data for non-element nodes in modern browsers,
  			// but we should not, see #8335.
  			// Always return an empty object.
  			if ( acceptData( owner ) ) {
  
  				// If it is a node unlikely to be stringify-ed or looped over
  				// use plain assignment
  				if ( owner.nodeType ) {
  					owner[ this.expando ] = value;
  
  				// Otherwise secure it in a non-enumerable property
  				// configurable must be true to allow the property to be
  				// deleted when data is removed
  				} else {
  					Object.defineProperty( owner, this.expando, {
  						value: value,
  						configurable: true
  					} );
  				}
  			}
  		}
  
  		return value;
  	},
  	set: function( owner, data, value ) {
  		var prop,
  			cache = this.cache( owner );
  
  		// Handle: [ owner, key, value ] args
  		// Always use camelCase key (gh-2257)
  		if ( typeof data === "string" ) {
  			cache[ jQuery.camelCase( data ) ] = value;
  
  		// Handle: [ owner, { properties } ] args
  		} else {
  
  			// Copy the properties one-by-one to the cache object
  			for ( prop in data ) {
  				cache[ jQuery.camelCase( prop ) ] = data[ prop ];
  			}
  		}
  		return cache;
  	},
  	get: function( owner, key ) {
  		return key === undefined ?
  			this.cache( owner ) :
  
  			// Always use camelCase key (gh-2257)
  			owner[ this.expando ] && owner[ this.expando ][ jQuery.camelCase( key ) ];
  	},
  	access: function( owner, key, value ) {
  
  		// In cases where either:
  		//
  		//   1. No key was specified
  		//   2. A string key was specified, but no value provided
  		//
  		// Take the "read" path and allow the get method to determine
  		// which value to return, respectively either:
  		//
  		//   1. The entire cache object
  		//   2. The data stored at the key
  		//
  		if ( key === undefined ||
  				( ( key && typeof key === "string" ) && value === undefined ) ) {
  
  			return this.get( owner, key );
  		}
  
  		// When the key is not a string, or both a key and value
  		// are specified, set or extend (existing objects) with either:
  		//
  		//   1. An object of properties
  		//   2. A key and value
  		//
  		this.set( owner, key, value );
  
  		// Since the "set" path can have two possible entry points
  		// return the expected data based on which path was taken[*]
  		return value !== undefined ? value : key;
  	},
  	remove: function( owner, key ) {
  		var i,
  			cache = owner[ this.expando ];
  
  		if ( cache === undefined ) {
  			return;
  		}
  
  		if ( key !== undefined ) {
  
  			// Support array or space separated string of keys
  			if ( jQuery.isArray( key ) ) {
  
  				// If key is an array of keys...
  				// We always set camelCase keys, so remove that.
  				key = key.map( jQuery.camelCase );
  			} else {
  				key = jQuery.camelCase( key );
  
  				// If a key with the spaces exists, use it.
  				// Otherwise, create an array by matching non-whitespace
  				key = key in cache ?
  					[ key ] :
  					( key.match( rnotwhite ) || [] );
  			}
  
  			i = key.length;
  
  			while ( i-- ) {
  				delete cache[ key[ i ] ];
  			}
  		}
  
  		// Remove the expando if there's no more data
  		if ( key === undefined || jQuery.isEmptyObject( cache ) ) {
  
  			// Support: Chrome <=35 - 45
  			// Webkit & Blink performance suffers when deleting properties
  			// from DOM nodes, so set to undefined instead
  			// https://bugs.chromium.org/p/chromium/issues/detail?id=378607 (bug restricted)
  			if ( owner.nodeType ) {
  				owner[ this.expando ] = undefined;
  			} else {
  				delete owner[ this.expando ];
  			}
  		}
  	},
  	hasData: function( owner ) {
  		var cache = owner[ this.expando ];
  		return cache !== undefined && !jQuery.isEmptyObject( cache );
  	}
  };
  var dataPriv = new Data();
  
  var dataUser = new Data();
  
  
  
  //	Implementation Summary
  //
  //	1. Enforce API surface and semantic compatibility with 1.9.x branch
  //	2. Improve the module's maintainability by reducing the storage
  //		paths to a single mechanism.
  //	3. Use the same single mechanism to support "private" and "user" data.
  //	4. _Never_ expose "private" data to user code (TODO: Drop _data, _removeData)
  //	5. Avoid exposing implementation details on user objects (eg. expando properties)
  //	6. Provide a clear path for implementation upgrade to WeakMap in 2014
  
  var rbrace = /^(?:\{[\w\W]*\}|\[[\w\W]*\])$/,
  	rmultiDash = /[A-Z]/g;
  
  function dataAttr( elem, key, data ) {
  	var name;
  
  	// If nothing was found internally, try to fetch any
  	// data from the HTML5 data-* attribute
  	if ( data === undefined && elem.nodeType === 1 ) {
  		name = "data-" + key.replace( rmultiDash, "-$&" ).toLowerCase();
  		data = elem.getAttribute( name );
  
  		if ( typeof data === "string" ) {
  			try {
  				data = data === "true" ? true :
  					data === "false" ? false :
  					data === "null" ? null :
  
  					// Only convert to a number if it doesn't change the string
  					+data + "" === data ? +data :
  					rbrace.test( data ) ? JSON.parse( data ) :
  					data;
  			} catch ( e ) {}
  
  			// Make sure we set the data so it isn't changed later
  			dataUser.set( elem, key, data );
  		} else {
  			data = undefined;
  		}
  	}
  	return data;
  }
  
  jQuery.extend( {
  	hasData: function( elem ) {
  		return dataUser.hasData( elem ) || dataPriv.hasData( elem );
  	},
  
  	data: function( elem, name, data ) {
  		return dataUser.access( elem, name, data );
  	},
  
  	removeData: function( elem, name ) {
  		dataUser.remove( elem, name );
  	},
  
  	// TODO: Now that all calls to _data and _removeData have been replaced
  	// with direct calls to dataPriv methods, these can be deprecated.
  	_data: function( elem, name, data ) {
  		return dataPriv.access( elem, name, data );
  	},
  
  	_removeData: function( elem, name ) {
  		dataPriv.remove( elem, name );
  	}
  } );
  
  jQuery.fn.extend( {
  	data: function( key, value ) {
  		var i, name, data,
  			elem = this[ 0 ],
  			attrs = elem && elem.attributes;
  
  		// Gets all values
  		if ( key === undefined ) {
  			if ( this.length ) {
  				data = dataUser.get( elem );
  
  				if ( elem.nodeType === 1 && !dataPriv.get( elem, "hasDataAttrs" ) ) {
  					i = attrs.length;
  					while ( i-- ) {
  
  						// Support: IE 11 only
  						// The attrs elements can be null (#14894)
  						if ( attrs[ i ] ) {
  							name = attrs[ i ].name;
  							if ( name.indexOf( "data-" ) === 0 ) {
  								name = jQuery.camelCase( name.slice( 5 ) );
  								dataAttr( elem, name, data[ name ] );
  							}
  						}
  					}
  					dataPriv.set( elem, "hasDataAttrs", true );
  				}
  			}
  
  			return data;
  		}
  
  		// Sets multiple values
  		if ( typeof key === "object" ) {
  			return this.each( function() {
  				dataUser.set( this, key );
  			} );
  		}
  
  		return access( this, function( value ) {
  			var data;
  
  			// The calling jQuery object (element matches) is not empty
  			// (and therefore has an element appears at this[ 0 ]) and the
  			// `value` parameter was not undefined. An empty jQuery object
  			// will result in `undefined` for elem = this[ 0 ] which will
  			// throw an exception if an attempt to read a data cache is made.
  			if ( elem && value === undefined ) {
  
  				// Attempt to get data from the cache
  				// The key will always be camelCased in Data
  				data = dataUser.get( elem, key );
  				if ( data !== undefined ) {
  					return data;
  				}
  
  				// Attempt to "discover" the data in
  				// HTML5 custom data-* attrs
  				data = dataAttr( elem, key );
  				if ( data !== undefined ) {
  					return data;
  				}
  
  				// We tried really hard, but the data doesn't exist.
  				return;
  			}
  
  			// Set the data...
  			this.each( function() {
  
  				// We always store the camelCased key
  				dataUser.set( this, key, value );
  			} );
  		}, null, value, arguments.length > 1, null, true );
  	},
  
  	removeData: function( key ) {
  		return this.each( function() {
  			dataUser.remove( this, key );
  		} );
  	}
  } );
  
  
  jQuery.extend( {
  	queue: function( elem, type, data ) {
  		var queue;
  
  		if ( elem ) {
  			type = ( type || "fx" ) + "queue";
  			queue = dataPriv.get( elem, type );
  
  			// Speed up dequeue by getting out quickly if this is just a lookup
  			if ( data ) {
  				if ( !queue || jQuery.isArray( data ) ) {
  					queue = dataPriv.access( elem, type, jQuery.makeArray( data ) );
  				} else {
  					queue.push( data );
  				}
  			}
  			return queue || [];
  		}
  	},
  
  	dequeue: function( elem, type ) {
  		type = type || "fx";
  
  		var queue = jQuery.queue( elem, type ),
  			startLength = queue.length,
  			fn = queue.shift(),
  			hooks = jQuery._queueHooks( elem, type ),
  			next = function() {
  				jQuery.dequeue( elem, type );
  			};
  
  		// If the fx queue is dequeued, always remove the progress sentinel
  		if ( fn === "inprogress" ) {
  			fn = queue.shift();
  			startLength--;
  		}
  
  		if ( fn ) {
  
  			// Add a progress sentinel to prevent the fx queue from being
  			// automatically dequeued
  			if ( type === "fx" ) {
  				queue.unshift( "inprogress" );
  			}
  
  			// Clear up the last queue stop function
  			delete hooks.stop;
  			fn.call( elem, next, hooks );
  		}
  
  		if ( !startLength && hooks ) {
  			hooks.empty.fire();
  		}
  	},
  
  	// Not public - generate a queueHooks object, or return the current one
  	_queueHooks: function( elem, type ) {
  		var key = type + "queueHooks";
  		return dataPriv.get( elem, key ) || dataPriv.access( elem, key, {
  			empty: jQuery.Callbacks( "once memory" ).add( function() {
  				dataPriv.remove( elem, [ type + "queue", key ] );
  			} )
  		} );
  	}
  } );
  
  jQuery.fn.extend( {
  	queue: function( type, data ) {
  		var setter = 2;
  
  		if ( typeof type !== "string" ) {
  			data = type;
  			type = "fx";
  			setter--;
  		}
  
  		if ( arguments.length < setter ) {
  			return jQuery.queue( this[ 0 ], type );
  		}
  
  		return data === undefined ?
  			this :
  			this.each( function() {
  				var queue = jQuery.queue( this, type, data );
  
  				// Ensure a hooks for this queue
  				jQuery._queueHooks( this, type );
  
  				if ( type === "fx" && queue[ 0 ] !== "inprogress" ) {
  					jQuery.dequeue( this, type );
  				}
  			} );
  	},
  	dequeue: function( type ) {
  		return this.each( function() {
  			jQuery.dequeue( this, type );
  		} );
  	},
  	clearQueue: function( type ) {
  		return this.queue( type || "fx", [] );
  	},
  
  	// Get a promise resolved when queues of a certain type
  	// are emptied (fx is the type by default)
  	promise: function( type, obj ) {
  		var tmp,
  			count = 1,
  			defer = jQuery.Deferred(),
  			elements = this,
  			i = this.length,
  			resolve = function() {
  				if ( !( --count ) ) {
  					defer.resolveWith( elements, [ elements ] );
  				}
  			};
  
  		if ( typeof type !== "string" ) {
  			obj = type;
  			type = undefined;
  		}
  		type = type || "fx";
  
  		while ( i-- ) {
  			tmp = dataPriv.get( elements[ i ], type + "queueHooks" );
  			if ( tmp && tmp.empty ) {
  				count++;
  				tmp.empty.add( resolve );
  			}
  		}
  		resolve();
  		return defer.promise( obj );
  	}
  } );
  var pnum = ( /[+-]?(?:\d*\.|)\d+(?:[eE][+-]?\d+|)/ ).source;
  
  var rcssNum = new RegExp( "^(?:([+-])=|)(" + pnum + ")([a-z%]*)$", "i" );
  
  
  var cssExpand = [ "Top", "Right", "Bottom", "Left" ];
  
  var isHiddenWithinTree = function( elem, el ) {
  
  		// isHiddenWithinTree might be called from jQuery#filter function;
  		// in that case, element will be second argument
  		elem = el || elem;
  
  		// Inline style trumps all
  		return elem.style.display === "none" ||
  			elem.style.display === "" &&
  
  			// Otherwise, check computed style
  			// Support: Firefox <=43 - 45
  			// Disconnected elements can have computed display: none, so first confirm that elem is
  			// in the document.
  			jQuery.contains( elem.ownerDocument, elem ) &&
  
  			jQuery.css( elem, "display" ) === "none";
  	};
  
  var swap = function( elem, options, callback, args ) {
  	var ret, name,
  		old = {};
  
  	// Remember the old values, and insert the new ones
  	for ( name in options ) {
  		old[ name ] = elem.style[ name ];
  		elem.style[ name ] = options[ name ];
  	}
  
  	ret = callback.apply( elem, args || [] );
  
  	// Revert the old values
  	for ( name in options ) {
  		elem.style[ name ] = old[ name ];
  	}
  
  	return ret;
  };
  
  
  
  
  function adjustCSS( elem, prop, valueParts, tween ) {
  	var adjusted,
  		scale = 1,
  		maxIterations = 20,
  		currentValue = tween ?
  			function() { return tween.cur(); } :
  			function() { return jQuery.css( elem, prop, "" ); },
  		initial = currentValue(),
  		unit = valueParts && valueParts[ 3 ] || ( jQuery.cssNumber[ prop ] ? "" : "px" ),
  
  		// Starting value computation is required for potential unit mismatches
  		initialInUnit = ( jQuery.cssNumber[ prop ] || unit !== "px" && +initial ) &&
  			rcssNum.exec( jQuery.css( elem, prop ) );
  
  	if ( initialInUnit && initialInUnit[ 3 ] !== unit ) {
  
  		// Trust units reported by jQuery.css
  		unit = unit || initialInUnit[ 3 ];
  
  		// Make sure we update the tween properties later on
  		valueParts = valueParts || [];
  
  		// Iteratively approximate from a nonzero starting point
  		initialInUnit = +initial || 1;
  
  		do {
  
  			// If previous iteration zeroed out, double until we get *something*.
  			// Use string for doubling so we don't accidentally see scale as unchanged below
  			scale = scale || ".5";
  
  			// Adjust and apply
  			initialInUnit = initialInUnit / scale;
  			jQuery.style( elem, prop, initialInUnit + unit );
  
  		// Update scale, tolerating zero or NaN from tween.cur()
  		// Break the loop if scale is unchanged or perfect, or if we've just had enough.
  		} while (
  			scale !== ( scale = currentValue() / initial ) && scale !== 1 && --maxIterations
  		);
  	}
  
  	if ( valueParts ) {
  		initialInUnit = +initialInUnit || +initial || 0;
  
  		// Apply relative offset (+=/-=) if specified
  		adjusted = valueParts[ 1 ] ?
  			initialInUnit + ( valueParts[ 1 ] + 1 ) * valueParts[ 2 ] :
  			+valueParts[ 2 ];
  		if ( tween ) {
  			tween.unit = unit;
  			tween.start = initialInUnit;
  			tween.end = adjusted;
  		}
  	}
  	return adjusted;
  }
  
  
  var defaultDisplayMap = {};
  
  function getDefaultDisplay( elem ) {
  	var temp,
  		doc = elem.ownerDocument,
  		nodeName = elem.nodeName,
  		display = defaultDisplayMap[ nodeName ];
  
  	if ( display ) {
  		return display;
  	}
  
  	temp = doc.body.appendChild( doc.createElement( nodeName ) ),
  	display = jQuery.css( temp, "display" );
  
  	temp.parentNode.removeChild( temp );
  
  	if ( display === "none" ) {
  		display = "block";
  	}
  	defaultDisplayMap[ nodeName ] = display;
  
  	return display;
  }
  
  function showHide( elements, show ) {
  	var display, elem,
  		values = [],
  		index = 0,
  		length = elements.length;
  
  	// Determine new display value for elements that need to change
  	for ( ; index < length; index++ ) {
  		elem = elements[ index ];
  		if ( !elem.style ) {
  			continue;
  		}
  
  		display = elem.style.display;
  		if ( show ) {
  
  			// Since we force visibility upon cascade-hidden elements, an immediate (and slow)
  			// check is required in this first loop unless we have a nonempty display value (either
  			// inline or about-to-be-restored)
  			if ( display === "none" ) {
  				values[ index ] = dataPriv.get( elem, "display" ) || null;
  				if ( !values[ index ] ) {
  					elem.style.display = "";
  				}
  			}
  			if ( elem.style.display === "" && isHiddenWithinTree( elem ) ) {
  				values[ index ] = getDefaultDisplay( elem );
  			}
  		} else {
  			if ( display !== "none" ) {
  				values[ index ] = "none";
  
  				// Remember what we're overwriting
  				dataPriv.set( elem, "display", display );
  			}
  		}
  	}
  
  	// Set the display of the elements in a second loop to avoid constant reflow
  	for ( index = 0; index < length; index++ ) {
  		if ( values[ index ] != null ) {
  			elements[ index ].style.display = values[ index ];
  		}
  	}
  
  	return elements;
  }
  
  jQuery.fn.extend( {
  	show: function() {
  		return showHide( this, true );
  	},
  	hide: function() {
  		return showHide( this );
  	},
  	toggle: function( state ) {
  		if ( typeof state === "boolean" ) {
  			return state ? this.show() : this.hide();
  		}
  
  		return this.each( function() {
  			if ( isHiddenWithinTree( this ) ) {
  				jQuery( this ).show();
  			} else {
  				jQuery( this ).hide();
  			}
  		} );
  	}
  } );
  var rcheckableType = ( /^(?:checkbox|radio)$/i );
  
  var rtagName = ( /<([a-z][^\/\0>\x20\t\r\n\f]+)/i );
  
  var rscriptType = ( /^$|\/(?:java|ecma)script/i );
  
  
  
  // We have to close these tags to support XHTML (#13200)
  var wrapMap = {
  
  	// Support: IE <=9 only
  	option: [ 1, "<select multiple='multiple'>", "</select>" ],
  
  	// XHTML parsers do not magically insert elements in the
  	// same way that tag soup parsers do. So we cannot shorten
  	// this by omitting <tbody> or other required elements.
  	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, "", "" ]
  };
  
  // Support: IE <=9 only
  wrapMap.optgroup = wrapMap.option;
  
  wrapMap.tbody = wrapMap.tfoot = wrapMap.colgroup = wrapMap.caption = wrapMap.thead;
  wrapMap.th = wrapMap.td;
  
  
  function getAll( context, tag ) {
  
  	// Support: IE <=9 - 11 only
  	// Use typeof to avoid zero-argument method invocation on host objects (#15151)
  	var ret = typeof context.getElementsByTagName !== "undefined" ?
  			context.getElementsByTagName( tag || "*" ) :
  			typeof context.querySelectorAll !== "undefined" ?
  				context.querySelectorAll( tag || "*" ) :
  			[];
  
  	return tag === undefined || tag && jQuery.nodeName( context, tag ) ?
  		jQuery.merge( [ context ], ret ) :
  		ret;
  }
  
  
  // Mark scripts as having already been evaluated
  function setGlobalEval( elems, refElements ) {
  	var i = 0,
  		l = elems.length;
  
  	for ( ; i < l; i++ ) {
  		dataPriv.set(
  			elems[ i ],
  			"globalEval",
  			!refElements || dataPriv.get( refElements[ i ], "globalEval" )
  		);
  	}
  }
  
  
  var rhtml = /<|&#?\w+;/;
  
  function buildFragment( elems, context, scripts, selection, ignored ) {
  	var elem, tmp, tag, wrap, contains, j,
  		fragment = context.createDocumentFragment(),
  		nodes = [],
  		i = 0,
  		l = elems.length;
  
  	for ( ; i < l; i++ ) {
  		elem = elems[ i ];
  
  		if ( elem || elem === 0 ) {
  
  			// Add nodes directly
  			if ( jQuery.type( elem ) === "object" ) {
  
  				// Support: Android <=4.0 only, PhantomJS 1 only
  				// push.apply(_, arraylike) throws on ancient WebKit
  				jQuery.merge( nodes, elem.nodeType ? [ elem ] : elem );
  
  			// Convert non-html into a text node
  			} else if ( !rhtml.test( elem ) ) {
  				nodes.push( context.createTextNode( elem ) );
  
  			// Convert html into DOM nodes
  			} else {
  				tmp = tmp || fragment.appendChild( context.createElement( "div" ) );
  
  				// Deserialize a standard representation
  				tag = ( rtagName.exec( elem ) || [ "", "" ] )[ 1 ].toLowerCase();
  				wrap = wrapMap[ tag ] || wrapMap._default;
  				tmp.innerHTML = wrap[ 1 ] + jQuery.htmlPrefilter( elem ) + wrap[ 2 ];
  
  				// Descend through wrappers to the right content
  				j = wrap[ 0 ];
  				while ( j-- ) {
  					tmp = tmp.lastChild;
  				}
  
  				// Support: Android <=4.0 only, PhantomJS 1 only
  				// push.apply(_, arraylike) throws on ancient WebKit
  				jQuery.merge( nodes, tmp.childNodes );
  
  				// Remember the top-level container
  				tmp = fragment.firstChild;
  
  				// Ensure the created nodes are orphaned (#12392)
  				tmp.textContent = "";
  			}
  		}
  	}
  
  	// Remove wrapper from fragment
  	fragment.textContent = "";
  
  	i = 0;
  	while ( ( elem = nodes[ i++ ] ) ) {
  
  		// Skip elements already in the context collection (trac-4087)
  		if ( selection && jQuery.inArray( elem, selection ) > -1 ) {
  			if ( ignored ) {
  				ignored.push( elem );
  			}
  			continue;
  		}
  
  		contains = jQuery.contains( elem.ownerDocument, elem );
  
  		// Append to fragment
  		tmp = getAll( fragment.appendChild( elem ), "script" );
  
  		// Preserve script evaluation history
  		if ( contains ) {
  			setGlobalEval( tmp );
  		}
  
  		// Capture executables
  		if ( scripts ) {
  			j = 0;
  			while ( ( elem = tmp[ j++ ] ) ) {
  				if ( rscriptType.test( elem.type || "" ) ) {
  					scripts.push( elem );
  				}
  			}
  		}
  	}
  
  	return fragment;
  }
  
  
  ( function() {
  	var fragment = document.createDocumentFragment(),
  		div = fragment.appendChild( document.createElement( "div" ) ),
  		input = document.createElement( "input" );
  
  	// Support: Android 4.0 - 4.3 only
  	// Check state lost if the name is set (#11217)
  	// Support: Windows Web Apps (WWA)
  	// `name` and `type` must use .setAttribute for WWA (#14901)
  	input.setAttribute( "type", "radio" );
  	input.setAttribute( "checked", "checked" );
  	input.setAttribute( "name", "t" );
  
  	div.appendChild( input );
  
  	// Support: Android <=4.1 only
  	// Older WebKit doesn't clone checked state correctly in fragments
  	support.checkClone = div.cloneNode( true ).cloneNode( true ).lastChild.checked;
  
  	// Support: IE <=11 only
  	// Make sure textarea (and checkbox) defaultValue is properly cloned
  	div.innerHTML = "<textarea>x</textarea>";
  	support.noCloneChecked = !!div.cloneNode( true ).lastChild.defaultValue;
  } )();
  var documentElement = document.documentElement;
  
  
  
  var
  	rkeyEvent = /^key/,
  	rmouseEvent = /^(?:mouse|pointer|contextmenu|drag|drop)|click/,
  	rtypenamespace = /^([^.]*)(?:\.(.+)|)/;
  
  function returnTrue() {
  	return true;
  }
  
  function returnFalse() {
  	return false;
  }
  
  // Support: IE <=9 only
  // See #13393 for more info
  function safeActiveElement() {
  	try {
  		return document.activeElement;
  	} catch ( err ) { }
  }
  
  function on( elem, types, selector, data, fn, one ) {
  	var origFn, type;
  
  	// Types can be a map of types/handlers
  	if ( typeof types === "object" ) {
  
  		// ( types-Object, selector, data )
  		if ( typeof selector !== "string" ) {
  
  			// ( types-Object, data )
  			data = data || selector;
  			selector = undefined;
  		}
  		for ( type in types ) {
  			on( elem, type, selector, data, types[ type ], one );
  		}
  		return elem;
  	}
  
  	if ( data == null && fn == null ) {
  
  		// ( types, fn )
  		fn = selector;
  		data = selector = undefined;
  	} else if ( fn == null ) {
  		if ( typeof selector === "string" ) {
  
  			// ( types, selector, fn )
  			fn = data;
  			data = undefined;
  		} else {
  
  			// ( types, data, fn )
  			fn = data;
  			data = selector;
  			selector = undefined;
  		}
  	}
  	if ( fn === false ) {
  		fn = returnFalse;
  	} else if ( !fn ) {
  		return elem;
  	}
  
  	if ( one === 1 ) {
  		origFn = fn;
  		fn = function( event ) {
  
  			// Can use an empty set, since event contains the info
  			jQuery().off( event );
  			return origFn.apply( this, arguments );
  		};
  
  		// Use same guid so caller can remove using origFn
  		fn.guid = origFn.guid || ( origFn.guid = jQuery.guid++ );
  	}
  	return elem.each( function() {
  		jQuery.event.add( this, types, fn, data, selector );
  	} );
  }
  
  /*
   * Helper functions for managing events -- not part of the public interface.
   * Props to Dean Edwards' addEvent library for many of the ideas.
   */
  jQuery.event = {
  
  	global: {},
  
  	add: function( elem, types, handler, data, selector ) {
  
  		var handleObjIn, eventHandle, tmp,
  			events, t, handleObj,
  			special, handlers, type, namespaces, origType,
  			elemData = dataPriv.get( elem );
  
  		// Don't attach events to noData or text/comment nodes (but allow plain objects)
  		if ( !elemData ) {
  			return;
  		}
  
  		// Caller can pass in an object of custom data in lieu of the handler
  		if ( handler.handler ) {
  			handleObjIn = handler;
  			handler = handleObjIn.handler;
  			selector = handleObjIn.selector;
  		}
  
  		// Ensure that invalid selectors throw exceptions at attach time
  		// Evaluate against documentElement in case elem is a non-element node (e.g., document)
  		if ( selector ) {
  			jQuery.find.matchesSelector( documentElement, selector );
  		}
  
  		// Make sure that the handler has a unique ID, used to find/remove it later
  		if ( !handler.guid ) {
  			handler.guid = jQuery.guid++;
  		}
  
  		// Init the element's event structure and main handler, if this is the first
  		if ( !( events = elemData.events ) ) {
  			events = elemData.events = {};
  		}
  		if ( !( eventHandle = elemData.handle ) ) {
  			eventHandle = elemData.handle = function( e ) {
  
  				// Discard the second event of a jQuery.event.trigger() and
  				// when an event is called after a page has unloaded
  				return typeof jQuery !== "undefined" && jQuery.event.triggered !== e.type ?
  					jQuery.event.dispatch.apply( elem, arguments ) : undefined;
  			};
  		}
  
  		// Handle multiple events separated by a space
  		types = ( types || "" ).match( rnotwhite ) || [ "" ];
  		t = types.length;
  		while ( t-- ) {
  			tmp = rtypenamespace.exec( types[ t ] ) || [];
  			type = origType = tmp[ 1 ];
  			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
  			// There *must* be a type, no attaching namespace-only handlers
  			if ( !type ) {
  				continue;
  			}
  
  			// If event changes its type, use the special event handlers for the changed type
  			special = jQuery.event.special[ type ] || {};
  
  			// If selector defined, determine special event api type, otherwise given type
  			type = ( selector ? special.delegateType : special.bindType ) || type;
  
  			// Update special based on newly reset type
  			special = jQuery.event.special[ type ] || {};
  
  			// handleObj is passed to all event handlers
  			handleObj = jQuery.extend( {
  				type: type,
  				origType: origType,
  				data: data,
  				handler: handler,
  				guid: handler.guid,
  				selector: selector,
  				needsContext: selector && jQuery.expr.match.needsContext.test( selector ),
  				namespace: namespaces.join( "." )
  			}, handleObjIn );
  
  			// Init the event handler queue if we're the first
  			if ( !( handlers = events[ type ] ) ) {
  				handlers = events[ type ] = [];
  				handlers.delegateCount = 0;
  
  				// Only use addEventListener if the special events handler returns false
  				if ( !special.setup ||
  					special.setup.call( elem, data, namespaces, eventHandle ) === false ) {
  
  					if ( elem.addEventListener ) {
  						elem.addEventListener( type, eventHandle );
  					}
  				}
  			}
  
  			if ( special.add ) {
  				special.add.call( elem, handleObj );
  
  				if ( !handleObj.handler.guid ) {
  					handleObj.handler.guid = handler.guid;
  				}
  			}
  
  			// Add to the element's handler list, delegates in front
  			if ( selector ) {
  				handlers.splice( handlers.delegateCount++, 0, handleObj );
  			} else {
  				handlers.push( handleObj );
  			}
  
  			// Keep track of which events have ever been used, for event optimization
  			jQuery.event.global[ type ] = true;
  		}
  
  	},
  
  	// Detach an event or set of events from an element
  	remove: function( elem, types, handler, selector, mappedTypes ) {
  
  		var j, origCount, tmp,
  			events, t, handleObj,
  			special, handlers, type, namespaces, origType,
  			elemData = dataPriv.hasData( elem ) && dataPriv.get( elem );
  
  		if ( !elemData || !( events = elemData.events ) ) {
  			return;
  		}
  
  		// Once for each type.namespace in types; type may be omitted
  		types = ( types || "" ).match( rnotwhite ) || [ "" ];
  		t = types.length;
  		while ( t-- ) {
  			tmp = rtypenamespace.exec( types[ t ] ) || [];
  			type = origType = tmp[ 1 ];
  			namespaces = ( tmp[ 2 ] || "" ).split( "." ).sort();
  
  			// Unbind all events (on this namespace, if provided) for the element
  			if ( !type ) {
  				for ( type in events ) {
  					jQuery.event.remove( elem, type + types[ t ], handler, selector, true );
  				}
  				continue;
  			}
  
  			special = jQuery.event.special[ type ] || {};
  			type = ( selector ? special.delegateType : special.bindType ) || type;
  			handlers = events[ type ] || [];
  			tmp = tmp[ 2 ] &&
  				new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" );
  
  			// Remove matching events
  			origCount = j = handlers.length;
  			while ( j-- ) {
  				handleObj = handlers[ j ];
  
  				if ( ( mappedTypes || origType === handleObj.origType ) &&
  					( !handler || handler.guid === handleObj.guid ) &&
  					( !tmp || tmp.test( handleObj.namespace ) ) &&
  					( !selector || selector === handleObj.selector ||
  						selector === "**" && handleObj.selector ) ) {
  					handlers.splice( j, 1 );
  
  					if ( handleObj.selector ) {
  						handlers.delegateCount--;
  					}
  					if ( special.remove ) {
  						special.remove.call( elem, handleObj );
  					}
  				}
  			}
  
  			// Remove generic event handler if we removed something and no more handlers exist
  			// (avoids potential for endless recursion during removal of special event handlers)
  			if ( origCount && !handlers.length ) {
  				if ( !special.teardown ||
  					special.teardown.call( elem, namespaces, elemData.handle ) === false ) {
  
  					jQuery.removeEvent( elem, type, elemData.handle );
  				}
  
  				delete events[ type ];
  			}
  		}
  
  		// Remove data and the expando if it's no longer used
  		if ( jQuery.isEmptyObject( events ) ) {
  			dataPriv.remove( elem, "handle events" );
  		}
  	},
  
  	dispatch: function( nativeEvent ) {
  
  		// Make a writable jQuery.Event from the native event object
  		var event = jQuery.event.fix( nativeEvent );
  
  		var i, j, ret, matched, handleObj, handlerQueue,
  			args = new Array( arguments.length ),
  			handlers = ( dataPriv.get( this, "events" ) || {} )[ event.type ] || [],
  			special = jQuery.event.special[ event.type ] || {};
  
  		// Use the fix-ed jQuery.Event rather than the (read-only) native event
  		args[ 0 ] = event;
  
  		for ( i = 1; i < arguments.length; i++ ) {
  			args[ i ] = arguments[ i ];
  		}
  
  		event.delegateTarget = this;
  
  		// Call the preDispatch hook for the mapped type, and let it bail if desired
  		if ( special.preDispatch && special.preDispatch.call( this, event ) === false ) {
  			return;
  		}
  
  		// Determine handlers
  		handlerQueue = jQuery.event.handlers.call( this, event, handlers );
  
  		// Run delegates first; they may want to stop propagation beneath us
  		i = 0;
  		while ( ( matched = handlerQueue[ i++ ] ) && !event.isPropagationStopped() ) {
  			event.currentTarget = matched.elem;
  
  			j = 0;
  			while ( ( handleObj = matched.handlers[ j++ ] ) &&
  				!event.isImmediatePropagationStopped() ) {
  
  				// Triggered event must either 1) have no namespace, or 2) have namespace(s)
  				// a subset or equal to those in the bound event (both can have no namespace).
  				if ( !event.rnamespace || event.rnamespace.test( handleObj.namespace ) ) {
  
  					event.handleObj = handleObj;
  					event.data = handleObj.data;
  
  					ret = ( ( jQuery.event.special[ handleObj.origType ] || {} ).handle ||
  						handleObj.handler ).apply( matched.elem, args );
  
  					if ( ret !== undefined ) {
  						if ( ( event.result = ret ) === false ) {
  							event.preventDefault();
  							event.stopPropagation();
  						}
  					}
  				}
  			}
  		}
  
  		// Call the postDispatch hook for the mapped type
  		if ( special.postDispatch ) {
  			special.postDispatch.call( this, event );
  		}
  
  		return event.result;
  	},
  
  	handlers: function( event, handlers ) {
  		var i, matches, sel, handleObj,
  			handlerQueue = [],
  			delegateCount = handlers.delegateCount,
  			cur = event.target;
  
  		// Support: IE <=9
  		// Find delegate handlers
  		// Black-hole SVG <use> instance trees (#13180)
  		//
  		// Support: Firefox <=42
  		// Avoid non-left-click in FF but don't block IE radio events (#3861, gh-2343)
  		if ( delegateCount && cur.nodeType &&
  			( event.type !== "click" || isNaN( event.button ) || event.button < 1 ) ) {
  
  			for ( ; cur !== this; cur = cur.parentNode || this ) {
  
  				// Don't check non-elements (#13208)
  				// Don't process clicks on disabled elements (#6911, #8165, #11382, #11764)
  				if ( cur.nodeType === 1 && ( cur.disabled !== true || event.type !== "click" ) ) {
  					matches = [];
  					for ( i = 0; i < delegateCount; i++ ) {
  						handleObj = handlers[ i ];
  
  						// Don't conflict with Object.prototype properties (#13203)
  						sel = handleObj.selector + " ";
  
  						if ( matches[ sel ] === undefined ) {
  							matches[ sel ] = handleObj.needsContext ?
  								jQuery( sel, this ).index( cur ) > -1 :
  								jQuery.find( sel, this, null, [ cur ] ).length;
  						}
  						if ( matches[ sel ] ) {
  							matches.push( handleObj );
  						}
  					}
  					if ( matches.length ) {
  						handlerQueue.push( { elem: cur, handlers: matches } );
  					}
  				}
  			}
  		}
  
  		// Add the remaining (directly-bound) handlers
  		if ( delegateCount < handlers.length ) {
  			handlerQueue.push( { elem: this, handlers: handlers.slice( delegateCount ) } );
  		}
  
  		return handlerQueue;
  	},
  
  	addProp: function( name, hook ) {
  		Object.defineProperty( jQuery.Event.prototype, name, {
  			enumerable: true,
  			configurable: true,
  
  			get: jQuery.isFunction( hook ) ?
  				function() {
  					if ( this.originalEvent ) {
  							return hook( this.originalEvent );
  					}
  				} :
  				function() {
  					if ( this.originalEvent ) {
  							return this.originalEvent[ name ];
  					}
  				},
  
  			set: function( value ) {
  				Object.defineProperty( this, name, {
  					enumerable: true,
  					configurable: true,
  					writable: true,
  					value: value
  				} );
  			}
  		} );
  	},
  
  	fix: function( originalEvent ) {
  		return originalEvent[ jQuery.expando ] ?
  			originalEvent :
  			new jQuery.Event( originalEvent );
  	},
  
  	special: {
  		load: {
  
  			// Prevent triggered image.load events from bubbling to window.load
  			noBubble: true
  		},
  		focus: {
  
  			// Fire native event if possible so blur/focus sequence is correct
  			trigger: function() {
  				if ( this !== safeActiveElement() && this.focus ) {
  					this.focus();
  					return false;
  				}
  			},
  			delegateType: "focusin"
  		},
  		blur: {
  			trigger: function() {
  				if ( this === safeActiveElement() && this.blur ) {
  					this.blur();
  					return false;
  				}
  			},
  			delegateType: "focusout"
  		},
  		click: {
  
  			// For checkbox, fire native event so checked state will be right
  			trigger: function() {
  				if ( this.type === "checkbox" && this.click && jQuery.nodeName( this, "input" ) ) {
  					this.click();
  					return false;
  				}
  			},
  
  			// For cross-browser consistency, don't fire native .click() on links
  			_default: function( event ) {
  				return jQuery.nodeName( event.target, "a" );
  			}
  		},
  
  		beforeunload: {
  			postDispatch: function( event ) {
  
  				// Support: Firefox 20+
  				// Firefox doesn't alert if the returnValue field is not set.
  				if ( event.result !== undefined && event.originalEvent ) {
  					event.originalEvent.returnValue = event.result;
  				}
  			}
  		}
  	}
  };
  
  jQuery.removeEvent = function( elem, type, handle ) {
  
  	// This "if" is needed for plain objects
  	if ( elem.removeEventListener ) {
  		elem.removeEventListener( type, handle );
  	}
  };
  
  jQuery.Event = function( src, props ) {
  
  	// Allow instantiation without the 'new' keyword
  	if ( !( this instanceof jQuery.Event ) ) {
  		return new jQuery.Event( src, props );
  	}
  
  	// Event object
  	if ( src && src.type ) {
  		this.originalEvent = src;
  		this.type = src.type;
  
  		// Events bubbling up the document may have been marked as prevented
  		// by a handler lower down the tree; reflect the correct value.
  		this.isDefaultPrevented = src.defaultPrevented ||
  				src.defaultPrevented === undefined &&
  
  				// Support: Android <=2.3 only
  				src.returnValue === false ?
  			returnTrue :
  			returnFalse;
  
  		// Create target properties
  		// Support: Safari <=6 - 7 only
  		// Target should not be a text node (#504, #13143)
  		this.target = ( src.target && src.target.nodeType === 3 ) ?
  			src.target.parentNode :
  			src.target;
  
  		this.currentTarget = src.currentTarget;
  		this.relatedTarget = src.relatedTarget;
  
  	// Event type
  	} else {
  		this.type = src;
  	}
  
  	// Put explicitly provided properties onto the event object
  	if ( props ) {
  		jQuery.extend( this, props );
  	}
  
  	// Create a timestamp if incoming event doesn't have one
  	this.timeStamp = src && src.timeStamp || jQuery.now();
  
  	// Mark it as fixed
  	this[ jQuery.expando ] = true;
  };
  
  // jQuery.Event is based on DOM3 Events as specified by the ECMAScript Language Binding
  // https://www.w3.org/TR/2003/WD-DOM-Level-3-Events-20030331/ecma-script-binding.html
  jQuery.Event.prototype = {
  	constructor: jQuery.Event,
  	isDefaultPrevented: returnFalse,
  	isPropagationStopped: returnFalse,
  	isImmediatePropagationStopped: returnFalse,
  	isSimulated: false,
  
  	preventDefault: function() {
  		var e = this.originalEvent;
  
  		this.isDefaultPrevented = returnTrue;
  
  		if ( e && !this.isSimulated ) {
  			e.preventDefault();
  		}
  	},
  	stopPropagation: function() {
  		var e = this.originalEvent;
  
  		this.isPropagationStopped = returnTrue;
  
  		if ( e && !this.isSimulated ) {
  			e.stopPropagation();
  		}
  	},
  	stopImmediatePropagation: function() {
  		var e = this.originalEvent;
  
  		this.isImmediatePropagationStopped = returnTrue;
  
  		if ( e && !this.isSimulated ) {
  			e.stopImmediatePropagation();
  		}
  
  		this.stopPropagation();
  	}
  };
  
  // Includes all common event props including KeyEvent and MouseEvent specific props
  jQuery.each( {
  	altKey: true,
  	bubbles: true,
  	cancelable: true,
  	changedTouches: true,
  	ctrlKey: true,
  	detail: true,
  	eventPhase: true,
  	metaKey: true,
  	pageX: true,
  	pageY: true,
  	shiftKey: true,
  	view: true,
  	"char": true,
  	charCode: true,
  	key: true,
  	keyCode: true,
  	button: true,
  	buttons: true,
  	clientX: true,
  	clientY: true,
  	offsetX: true,
  	offsetY: true,
  	pointerId: true,
  	pointerType: true,
  	screenX: true,
  	screenY: true,
  	targetTouches: true,
  	toElement: true,
  	touches: true,
  
  	which: function( event ) {
  		var button = event.button;
  
  		// Add which for key events
  		if ( event.which == null && rkeyEvent.test( event.type ) ) {
  			return event.charCode != null ? event.charCode : event.keyCode;
  		}
  
  		// Add which for click: 1 === left; 2 === middle; 3 === right
  		if ( !event.which && button !== undefined && rmouseEvent.test( event.type ) ) {
  			return ( button & 1 ? 1 : ( button & 2 ? 3 : ( button & 4 ? 2 : 0 ) ) );
  		}
  
  		return event.which;
  	}
  }, jQuery.event.addProp );
  
  // Create mouseenter/leave events using mouseover/out and event-time checks
  // so that event delegation works in jQuery.
  // Do the same for pointerenter/pointerleave and pointerover/pointerout
  //
  // Support: Safari 7 only
  // Safari sends mouseenter too often; see:
  // https://bugs.chromium.org/p/chromium/issues/detail?id=470258
  // for the description of the bug (it existed in older Chrome versions as well).
  jQuery.each( {
  	mouseenter: "mouseover",
  	mouseleave: "mouseout",
  	pointerenter: "pointerover",
  	pointerleave: "pointerout"
  }, function( orig, fix ) {
  	jQuery.event.special[ orig ] = {
  		delegateType: fix,
  		bindType: fix,
  
  		handle: function( event ) {
  			var ret,
  				target = this,
  				related = event.relatedTarget,
  				handleObj = event.handleObj;
  
  			// For mouseenter/leave call the handler if related is outside the target.
  			// NB: No relatedTarget if the mouse left/entered the browser window
  			if ( !related || ( related !== target && !jQuery.contains( target, related ) ) ) {
  				event.type = handleObj.origType;
  				ret = handleObj.handler.apply( this, arguments );
  				event.type = fix;
  			}
  			return ret;
  		}
  	};
  } );
  
  jQuery.fn.extend( {
  
  	on: function( types, selector, data, fn ) {
  		return on( this, types, selector, data, fn );
  	},
  	one: function( types, selector, data, fn ) {
  		return on( this, types, selector, data, fn, 1 );
  	},
  	off: function( types, selector, fn ) {
  		var handleObj, type;
  		if ( types && types.preventDefault && types.handleObj ) {
  
  			// ( event )  dispatched jQuery.Event
  			handleObj = types.handleObj;
  			jQuery( types.delegateTarget ).off(
  				handleObj.namespace ?
  					handleObj.origType + "." + handleObj.namespace :
  					handleObj.origType,
  				handleObj.selector,
  				handleObj.handler
  			);
  			return this;
  		}
  		if ( typeof types === "object" ) {
  
  			// ( types-object [, selector] )
  			for ( type in types ) {
  				this.off( type, selector, types[ type ] );
  			}
  			return this;
  		}
  		if ( selector === false || typeof selector === "function" ) {
  
  			// ( types [, fn] )
  			fn = selector;
  			selector = undefined;
  		}
  		if ( fn === false ) {
  			fn = returnFalse;
  		}
  		return this.each( function() {
  			jQuery.event.remove( this, types, fn, selector );
  		} );
  	}
  } );
  
  
  var
  	rxhtmlTag = /<(?!area|br|col|embed|hr|img|input|link|meta|param)(([a-z][^\/\0>\x20\t\r\n\f]*)[^>]*)\/>/gi,
  
  	// Support: IE <=10 - 11, Edge 12 - 13
  	// In IE/Edge using regex groups here causes severe slowdowns.
  	// See https://connect.microsoft.com/IE/feedback/details/1736512/
  	rnoInnerhtml = /<script|<style|<link/i,
  
  	// checked="checked" or checked
  	rchecked = /checked\s*(?:[^=]|=\s*.checked.)/i,
  	rscriptTypeMasked = /^true\/(.*)/,
  	rcleanScript = /^\s*<!(?:\[CDATA\[|--)|(?:\]\]|--)>\s*$/g;
  
  function manipulationTarget( elem, content ) {
  	if ( jQuery.nodeName( elem, "table" ) &&
  		jQuery.nodeName( content.nodeType !== 11 ? content : content.firstChild, "tr" ) ) {
  
  		return elem.getElementsByTagName( "tbody" )[ 0 ] || elem;
  	}
  
  	return elem;
  }
  
  // Replace/restore the type attribute of script elements for safe DOM manipulation
  function disableScript( elem ) {
  	elem.type = ( elem.getAttribute( "type" ) !== null ) + "/" + elem.type;
  	return elem;
  }
  function restoreScript( elem ) {
  	var match = rscriptTypeMasked.exec( elem.type );
  
  	if ( match ) {
  		elem.type = match[ 1 ];
  	} else {
  		elem.removeAttribute( "type" );
  	}
  
  	return elem;
  }
  
  function cloneCopyEvent( src, dest ) {
  	var i, l, type, pdataOld, pdataCur, udataOld, udataCur, events;
  
  	if ( dest.nodeType !== 1 ) {
  		return;
  	}
  
  	// 1. Copy private data: events, handlers, etc.
  	if ( dataPriv.hasData( src ) ) {
  		pdataOld = dataPriv.access( src );
  		pdataCur = dataPriv.set( dest, pdataOld );
  		events = pdataOld.events;
  
  		if ( events ) {
  			delete pdataCur.handle;
  			pdataCur.events = {};
  
  			for ( type in events ) {
  				for ( i = 0, l = events[ type ].length; i < l; i++ ) {
  					jQuery.event.add( dest, type, events[ type ][ i ] );
  				}
  			}
  		}
  	}
  
  	// 2. Copy user data
  	if ( dataUser.hasData( src ) ) {
  		udataOld = dataUser.access( src );
  		udataCur = jQuery.extend( {}, udataOld );
  
  		dataUser.set( dest, udataCur );
  	}
  }
  
  // Fix IE bugs, see support tests
  function fixInput( src, dest ) {
  	var nodeName = dest.nodeName.toLowerCase();
  
  	// Fails to persist the checked state of a cloned checkbox or radio button.
  	if ( nodeName === "input" && rcheckableType.test( src.type ) ) {
  		dest.checked = src.checked;
  
  	// Fails to return the selected option to the default selected state when cloning options
  	} else if ( nodeName === "input" || nodeName === "textarea" ) {
  		dest.defaultValue = src.defaultValue;
  	}
  }
  
  function domManip( collection, args, callback, ignored ) {
  
  	// Flatten any nested arrays
  	args = concat.apply( [], args );
  
  	var fragment, first, scripts, hasScripts, node, doc,
  		i = 0,
  		l = collection.length,
  		iNoClone = l - 1,
  		value = args[ 0 ],
  		isFunction = jQuery.isFunction( value );
  
  	// We can't cloneNode fragments that contain checked, in WebKit
  	if ( isFunction ||
  			( l > 1 && typeof value === "string" &&
  				!support.checkClone && rchecked.test( value ) ) ) {
  		return collection.each( function( index ) {
  			var self = collection.eq( index );
  			if ( isFunction ) {
  				args[ 0 ] = value.call( this, index, self.html() );
  			}
  			domManip( self, args, callback, ignored );
  		} );
  	}
  
  	if ( l ) {
  		fragment = buildFragment( args, collection[ 0 ].ownerDocument, false, collection, ignored );
  		first = fragment.firstChild;
  
  		if ( fragment.childNodes.length === 1 ) {
  			fragment = first;
  		}
  
  		// Require either new content or an interest in ignored elements to invoke the callback
  		if ( first || ignored ) {
  			scripts = jQuery.map( getAll( fragment, "script" ), disableScript );
  			hasScripts = scripts.length;
  
  			// Use the original fragment for the last item
  			// instead of the first because it can end up
  			// being emptied incorrectly in certain situations (#8070).
  			for ( ; i < l; i++ ) {
  				node = fragment;
  
  				if ( i !== iNoClone ) {
  					node = jQuery.clone( node, true, true );
  
  					// Keep references to cloned scripts for later restoration
  					if ( hasScripts ) {
  
  						// Support: Android <=4.0 only, PhantomJS 1 only
  						// push.apply(_, arraylike) throws on ancient WebKit
  						jQuery.merge( scripts, getAll( node, "script" ) );
  					}
  				}
  
  				callback.call( collection[ i ], node, i );
  			}
  
  			if ( hasScripts ) {
  				doc = scripts[ scripts.length - 1 ].ownerDocument;
  
  				// Reenable scripts
  				jQuery.map( scripts, restoreScript );
  
  				// Evaluate executable scripts on first document insertion
  				for ( i = 0; i < hasScripts; i++ ) {
  					node = scripts[ i ];
  					if ( rscriptType.test( node.type || "" ) &&
  						!dataPriv.access( node, "globalEval" ) &&
  						jQuery.contains( doc, node ) ) {
  
  						if ( node.src ) {
  
  							// Optional AJAX dependency, but won't run scripts if not present
  							if ( jQuery._evalUrl ) {
  								jQuery._evalUrl( node.src );
  							}
  						} else {
  							DOMEval( node.textContent.replace( rcleanScript, "" ), doc );
  						}
  					}
  				}
  			}
  		}
  	}
  
  	return collection;
  }
  
  function remove( elem, selector, keepData ) {
  	var node,
  		nodes = selector ? jQuery.filter( selector, elem ) : elem,
  		i = 0;
  
  	for ( ; ( node = nodes[ i ] ) != null; i++ ) {
  		if ( !keepData && node.nodeType === 1 ) {
  			jQuery.cleanData( getAll( node ) );
  		}
  
  		if ( node.parentNode ) {
  			if ( keepData && jQuery.contains( node.ownerDocument, node ) ) {
  				setGlobalEval( getAll( node, "script" ) );
  			}
  			node.parentNode.removeChild( node );
  		}
  	}
  
  	return elem;
  }
  
  jQuery.extend( {
  	htmlPrefilter: function( html ) {
  		return html.replace( rxhtmlTag, "<$1></$2>" );
  	},
  
  	clone: function( elem, dataAndEvents, deepDataAndEvents ) {
  		var i, l, srcElements, destElements,
  			clone = elem.cloneNode( true ),
  			inPage = jQuery.contains( elem.ownerDocument, elem );
  
  		// Fix IE cloning issues
  		if ( !support.noCloneChecked && ( elem.nodeType === 1 || elem.nodeType === 11 ) &&
  				!jQuery.isXMLDoc( elem ) ) {
  
  			// We eschew Sizzle here for performance reasons: https://jsperf.com/getall-vs-sizzle/2
  			destElements = getAll( clone );
  			srcElements = getAll( elem );
  
  			for ( i = 0, l = srcElements.length; i < l; i++ ) {
  				fixInput( srcElements[ i ], destElements[ i ] );
  			}
  		}
  
  		// Copy the events from the original to the clone
  		if ( dataAndEvents ) {
  			if ( deepDataAndEvents ) {
  				srcElements = srcElements || getAll( elem );
  				destElements = destElements || getAll( clone );
  
  				for ( i = 0, l = srcElements.length; i < l; i++ ) {
  					cloneCopyEvent( srcElements[ i ], destElements[ i ] );
  				}
  			} else {
  				cloneCopyEvent( elem, clone );
  			}
  		}
  
  		// Preserve script evaluation history
  		destElements = getAll( clone, "script" );
  		if ( destElements.length > 0 ) {
  			setGlobalEval( destElements, !inPage && getAll( elem, "script" ) );
  		}
  
  		// Return the cloned set
  		return clone;
  	},
  
  	cleanData: function( elems ) {
  		var data, elem, type,
  			special = jQuery.event.special,
  			i = 0;
  
  		for ( ; ( elem = elems[ i ] ) !== undefined; i++ ) {
  			if ( acceptData( elem ) ) {
  				if ( ( data = elem[ dataPriv.expando ] ) ) {
  					if ( data.events ) {
  						for ( type in data.events ) {
  							if ( special[ type ] ) {
  								jQuery.event.remove( elem, type );
  
  							// This is a shortcut to avoid jQuery.event.remove's overhead
  							} else {
  								jQuery.removeEvent( elem, type, data.handle );
  							}
  						}
  					}
  
  					// Support: Chrome <=35 - 45+
  					// Assign undefined instead of using delete, see Data#remove
  					elem[ dataPriv.expando ] = undefined;
  				}
  				if ( elem[ dataUser.expando ] ) {
  
  					// Support: Chrome <=35 - 45+
  					// Assign undefined instead of using delete, see Data#remove
  					elem[ dataUser.expando ] = undefined;
  				}
  			}
  		}
  	}
  } );
  
  jQuery.fn.extend( {
  	detach: function( selector ) {
  		return remove( this, selector, true );
  	},
  
  	remove: function( selector ) {
  		return remove( this, selector );
  	},
  
  	text: function( value ) {
  		return access( this, function( value ) {
  			return value === undefined ?
  				jQuery.text( this ) :
  				this.empty().each( function() {
  					if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  						this.textContent = value;
  					}
  				} );
  		}, null, value, arguments.length );
  	},
  
  	append: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  				var target = manipulationTarget( this, elem );
  				target.appendChild( elem );
  			}
  		} );
  	},
  
  	prepend: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.nodeType === 1 || this.nodeType === 11 || this.nodeType === 9 ) {
  				var target = manipulationTarget( this, elem );
  				target.insertBefore( elem, target.firstChild );
  			}
  		} );
  	},
  
  	before: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.parentNode ) {
  				this.parentNode.insertBefore( elem, this );
  			}
  		} );
  	},
  
  	after: function() {
  		return domManip( this, arguments, function( elem ) {
  			if ( this.parentNode ) {
  				this.parentNode.insertBefore( elem, this.nextSibling );
  			}
  		} );
  	},
  
  	empty: function() {
  		var elem,
  			i = 0;
  
  		for ( ; ( elem = this[ i ] ) != null; i++ ) {
  			if ( elem.nodeType === 1 ) {
  
  				// Prevent memory leaks
  				jQuery.cleanData( getAll( elem, false ) );
  
  				// Remove any remaining nodes
  				elem.textContent = "";
  			}
  		}
  
  		return this;
  	},
  
  	clone: function( dataAndEvents, deepDataAndEvents ) {
  		dataAndEvents = dataAndEvents == null ? false : dataAndEvents;
  		deepDataAndEvents = deepDataAndEvents == null ? dataAndEvents : deepDataAndEvents;
  
  		return this.map( function() {
  			return jQuery.clone( this, dataAndEvents, deepDataAndEvents );
  		} );
  	},
  
  	html: function( value ) {
  		return access( this, function( value ) {
  			var elem = this[ 0 ] || {},
  				i = 0,
  				l = this.length;
  
  			if ( value === undefined && elem.nodeType === 1 ) {
  				return elem.innerHTML;
  			}
  
  			// See if we can take a shortcut and just use innerHTML
  			if ( typeof value === "string" && !rnoInnerhtml.test( value ) &&
  				!wrapMap[ ( rtagName.exec( value ) || [ "", "" ] )[ 1 ].toLowerCase() ] ) {
  
  				value = jQuery.htmlPrefilter( value );
  
  				try {
  					for ( ; i < l; i++ ) {
  						elem = this[ i ] || {};
  
  						// Remove element nodes and prevent memory leaks
  						if ( elem.nodeType === 1 ) {
  							jQuery.cleanData( getAll( elem, false ) );
  							elem.innerHTML = value;
  						}
  					}
  
  					elem = 0;
  
  				// If using innerHTML throws an exception, use the fallback method
  				} catch ( e ) {}
  			}
  
  			if ( elem ) {
  				this.empty().append( value );
  			}
  		}, null, value, arguments.length );
  	},
  
  	replaceWith: function() {
  		var ignored = [];
  
  		// Make the changes, replacing each non-ignored context element with the new content
  		return domManip( this, arguments, function( elem ) {
  			var parent = this.parentNode;
  
  			if ( jQuery.inArray( this, ignored ) < 0 ) {
  				jQuery.cleanData( getAll( this ) );
  				if ( parent ) {
  					parent.replaceChild( elem, this );
  				}
  			}
  
  		// Force callback invocation
  		}, ignored );
  	}
  } );
  
  jQuery.each( {
  	appendTo: "append",
  	prependTo: "prepend",
  	insertBefore: "before",
  	insertAfter: "after",
  	replaceAll: "replaceWith"
  }, function( name, original ) {
  	jQuery.fn[ name ] = function( selector ) {
  		var elems,
  			ret = [],
  			insert = jQuery( selector ),
  			last = insert.length - 1,
  			i = 0;
  
  		for ( ; i <= last; i++ ) {
  			elems = i === last ? this : this.clone( true );
  			jQuery( insert[ i ] )[ original ]( elems );
  
  			// Support: Android <=4.0 only, PhantomJS 1 only
  			// .get() because push.apply(_, arraylike) throws on ancient WebKit
  			push.apply( ret, elems.get() );
  		}
  
  		return this.pushStack( ret );
  	};
  } );
  var rmargin = ( /^margin/ );
  
  var rnumnonpx = new RegExp( "^(" + pnum + ")(?!px)[a-z%]+$", "i" );
  
  var getStyles = function( elem ) {
  
  		// Support: IE <=11 only, Firefox <=30 (#15098, #14150)
  		// IE throws on elements created in popups
  		// FF meanwhile throws on frame elements through "defaultView.getComputedStyle"
  		var view = elem.ownerDocument.defaultView;
  
  		if ( !view || !view.opener ) {
  			view = window;
  		}
  
  		return view.getComputedStyle( elem );
  	};
  
  
  
  ( function() {
  
  	// Executing both pixelPosition & boxSizingReliable tests require only one layout
  	// so they're executed at the same time to save the second computation.
  	function computeStyleTests() {
  
  		// This is a singleton, we need to execute it only once
  		if ( !div ) {
  			return;
  		}
  
  		div.style.cssText =
  			"box-sizing:border-box;" +
  			"position:relative;display:block;" +
  			"margin:auto;border:1px;padding:1px;" +
  			"top:1%;width:50%";
  		div.innerHTML = "";
  		documentElement.appendChild( container );
  
  		var divStyle = window.getComputedStyle( div );
  		pixelPositionVal = divStyle.top !== "1%";
  
  		// Support: Android 4.0 - 4.3 only, Firefox <=3 - 44
  		reliableMarginLeftVal = divStyle.marginLeft === "2px";
  		boxSizingReliableVal = divStyle.width === "4px";
  
  		// Support: Android 4.0 - 4.3 only
  		// Some styles come back with percentage values, even though they shouldn't
  		div.style.marginRight = "50%";
  		pixelMarginRightVal = divStyle.marginRight === "4px";
  
  		documentElement.removeChild( container );
  
  		// Nullify the div so it wouldn't be stored in the memory and
  		// it will also be a sign that checks already performed
  		div = null;
  	}
  
  	var pixelPositionVal, boxSizingReliableVal, pixelMarginRightVal, reliableMarginLeftVal,
  		container = document.createElement( "div" ),
  		div = document.createElement( "div" );
  
  	// Finish early in limited (non-browser) environments
  	if ( !div.style ) {
  		return;
  	}
  
  	// Support: IE <=9 - 11 only
  	// Style of cloned element affects source element cloned (#8908)
  	div.style.backgroundClip = "content-box";
  	div.cloneNode( true ).style.backgroundClip = "";
  	support.clearCloneStyle = div.style.backgroundClip === "content-box";
  
  	container.style.cssText = "border:0;width:8px;height:0;top:0;left:-9999px;" +
  		"padding:0;margin-top:1px;position:absolute";
  	container.appendChild( div );
  
  	jQuery.extend( support, {
  		pixelPosition: function() {
  			computeStyleTests();
  			return pixelPositionVal;
  		},
  		boxSizingReliable: function() {
  			computeStyleTests();
  			return boxSizingReliableVal;
  		},
  		pixelMarginRight: function() {
  			computeStyleTests();
  			return pixelMarginRightVal;
  		},
  		reliableMarginLeft: function() {
  			computeStyleTests();
  			return reliableMarginLeftVal;
  		}
  	} );
  } )();
  
  
  function curCSS( elem, name, computed ) {
  	var width, minWidth, maxWidth, ret,
  		style = elem.style;
  
  	computed = computed || getStyles( elem );
  
  	// Support: IE <=9 only
  	// getPropertyValue is only needed for .css('filter') (#12537)
  	if ( computed ) {
  		ret = computed.getPropertyValue( name ) || computed[ name ];
  
  		if ( ret === "" && !jQuery.contains( elem.ownerDocument, elem ) ) {
  			ret = jQuery.style( elem, name );
  		}
  
  		// A tribute to the "awesome hack by Dean Edwards"
  		// Android Browser returns percentage for some values,
  		// but width seems to be reliably pixels.
  		// This is against the CSSOM draft spec:
  		// https://drafts.csswg.org/cssom/#resolved-values
  		if ( !support.pixelMarginRight() && rnumnonpx.test( ret ) && rmargin.test( name ) ) {
  
  			// Remember the original values
  			width = style.width;
  			minWidth = style.minWidth;
  			maxWidth = style.maxWidth;
  
  			// Put in the new values to get a computed value out
  			style.minWidth = style.maxWidth = style.width = ret;
  			ret = computed.width;
  
  			// Revert the changed values
  			style.width = width;
  			style.minWidth = minWidth;
  			style.maxWidth = maxWidth;
  		}
  	}
  
  	return ret !== undefined ?
  
  		// Support: IE <=9 - 11 only
  		// IE returns zIndex value as an integer.
  		ret + "" :
  		ret;
  }
  
  
  function addGetHookIf( conditionFn, hookFn ) {
  
  	// Define the hook, we'll check on the first run if it's really needed.
  	return {
  		get: function() {
  			if ( conditionFn() ) {
  
  				// Hook not needed (or it's not possible to use it due
  				// to missing dependency), remove it.
  				delete this.get;
  				return;
  			}
  
  			// Hook needed; redefine it so that the support test is not executed again.
  			return ( this.get = hookFn ).apply( this, arguments );
  		}
  	};
  }
  
  
  var
  
  	// Swappable if display is none or starts with table
  	// except "table", "table-cell", or "table-caption"
  	// See here for display values: https://developer.mozilla.org/en-US/docs/CSS/display
  	rdisplayswap = /^(none|table(?!-c[ea]).+)/,
  	cssShow = { position: "absolute", visibility: "hidden", display: "block" },
  	cssNormalTransform = {
  		letterSpacing: "0",
  		fontWeight: "400"
  	},
  
  	cssPrefixes = [ "Webkit", "Moz", "ms" ],
  	emptyStyle = document.createElement( "div" ).style;
  
  // Return a css property mapped to a potentially vendor prefixed property
  function vendorPropName( name ) {
  
  	// Shortcut for names that are not vendor prefixed
  	if ( name in emptyStyle ) {
  		return name;
  	}
  
  	// Check for vendor prefixed names
  	var capName = name[ 0 ].toUpperCase() + name.slice( 1 ),
  		i = cssPrefixes.length;
  
  	while ( i-- ) {
  		name = cssPrefixes[ i ] + capName;
  		if ( name in emptyStyle ) {
  			return name;
  		}
  	}
  }
  
  function setPositiveNumber( elem, value, subtract ) {
  
  	// Any relative (+/-) values have already been
  	// normalized at this point
  	var matches = rcssNum.exec( value );
  	return matches ?
  
  		// Guard against undefined "subtract", e.g., when used as in cssHooks
  		Math.max( 0, matches[ 2 ] - ( subtract || 0 ) ) + ( matches[ 3 ] || "px" ) :
  		value;
  }
  
  function augmentWidthOrHeight( elem, name, extra, isBorderBox, styles ) {
  	var i = extra === ( isBorderBox ? "border" : "content" ) ?
  
  		// If we already have the right measurement, avoid augmentation
  		4 :
  
  		// Otherwise initialize for horizontal or vertical properties
  		name === "width" ? 1 : 0,
  
  		val = 0;
  
  	for ( ; i < 4; i += 2 ) {
  
  		// Both box models exclude margin, so add it if we want it
  		if ( extra === "margin" ) {
  			val += jQuery.css( elem, extra + cssExpand[ i ], true, styles );
  		}
  
  		if ( isBorderBox ) {
  
  			// border-box includes padding, so remove it if we want content
  			if ( extra === "content" ) {
  				val -= jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  			}
  
  			// At this point, extra isn't border nor margin, so remove border
  			if ( extra !== "margin" ) {
  				val -= jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  			}
  		} else {
  
  			// At this point, extra isn't content, so add padding
  			val += jQuery.css( elem, "padding" + cssExpand[ i ], true, styles );
  
  			// At this point, extra isn't content nor padding, so add border
  			if ( extra !== "padding" ) {
  				val += jQuery.css( elem, "border" + cssExpand[ i ] + "Width", true, styles );
  			}
  		}
  	}
  
  	return val;
  }
  
  function getWidthOrHeight( elem, name, extra ) {
  
  	// Start with offset property, which is equivalent to the border-box value
  	var val,
  		valueIsBorderBox = true,
  		styles = getStyles( elem ),
  		isBorderBox = jQuery.css( elem, "boxSizing", false, styles ) === "border-box";
  
  	// Support: IE <=11 only
  	// Running getBoundingClientRect on a disconnected node
  	// in IE throws an error.
  	if ( elem.getClientRects().length ) {
  		val = elem.getBoundingClientRect()[ name ];
  	}
  
  	// Some non-html elements return undefined for offsetWidth, so check for null/undefined
  	// svg - https://bugzilla.mozilla.org/show_bug.cgi?id=649285
  	// MathML - https://bugzilla.mozilla.org/show_bug.cgi?id=491668
  	if ( val <= 0 || val == null ) {
  
  		// Fall back to computed then uncomputed css if necessary
  		val = curCSS( elem, name, styles );
  		if ( val < 0 || val == null ) {
  			val = elem.style[ name ];
  		}
  
  		// Computed unit is not pixels. Stop here and return.
  		if ( rnumnonpx.test( val ) ) {
  			return val;
  		}
  
  		// Check for style in case a browser which returns unreliable values
  		// for getComputedStyle silently falls back to the reliable elem.style
  		valueIsBorderBox = isBorderBox &&
  			( support.boxSizingReliable() || val === elem.style[ name ] );
  
  		// Normalize "", auto, and prepare for extra
  		val = parseFloat( val ) || 0;
  	}
  
  	// Use the active box-sizing model to add/subtract irrelevant styles
  	return ( val +
  		augmentWidthOrHeight(
  			elem,
  			name,
  			extra || ( isBorderBox ? "border" : "content" ),
  			valueIsBorderBox,
  			styles
  		)
  	) + "px";
  }
  
  jQuery.extend( {
  
  	// Add in style property hooks for overriding the default
  	// behavior of getting and setting a style property
  	cssHooks: {
  		opacity: {
  			get: function( elem, computed ) {
  				if ( computed ) {
  
  					// We should always get a number back from opacity
  					var ret = curCSS( elem, "opacity" );
  					return ret === "" ? "1" : ret;
  				}
  			}
  		}
  	},
  
  	// Don't automatically add "px" to these possibly-unitless properties
  	cssNumber: {
  		"animationIterationCount": true,
  		"columnCount": true,
  		"fillOpacity": true,
  		"flexGrow": true,
  		"flexShrink": true,
  		"fontWeight": true,
  		"lineHeight": true,
  		"opacity": true,
  		"order": true,
  		"orphans": true,
  		"widows": true,
  		"zIndex": true,
  		"zoom": true
  	},
  
  	// Add in properties whose names you wish to fix before
  	// setting or getting the value
  	cssProps: {
  		"float": "cssFloat"
  	},
  
  	// Get and set the style property on a DOM Node
  	style: function( elem, name, value, extra ) {
  
  		// Don't set styles on text and comment nodes
  		if ( !elem || elem.nodeType === 3 || elem.nodeType === 8 || !elem.style ) {
  			return;
  		}
  
  		// Make sure that we're working with the right name
  		var ret, type, hooks,
  			origName = jQuery.camelCase( name ),
  			style = elem.style;
  
  		name = jQuery.cssProps[ origName ] ||
  			( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
  
  		// Gets hook for the prefixed version, then unprefixed version
  		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
  		// Check if we're setting a value
  		if ( value !== undefined ) {
  			type = typeof value;
  
  			// Convert "+=" or "-=" to relative numbers (#7345)
  			if ( type === "string" && ( ret = rcssNum.exec( value ) ) && ret[ 1 ] ) {
  				value = adjustCSS( elem, name, ret );
  
  				// Fixes bug #9237
  				type = "number";
  			}
  
  			// Make sure that null and NaN values aren't set (#7116)
  			if ( value == null || value !== value ) {
  				return;
  			}
  
  			// If a number was passed in, add the unit (except for certain CSS properties)
  			if ( type === "number" ) {
  				value += ret && ret[ 3 ] || ( jQuery.cssNumber[ origName ] ? "" : "px" );
  			}
  
  			// background-* props affect original clone's values
  			if ( !support.clearCloneStyle && value === "" && name.indexOf( "background" ) === 0 ) {
  				style[ name ] = "inherit";
  			}
  
  			// If a hook was provided, use that value, otherwise just set the specified value
  			if ( !hooks || !( "set" in hooks ) ||
  				( value = hooks.set( elem, value, extra ) ) !== undefined ) {
  
  				style[ name ] = value;
  			}
  
  		} else {
  
  			// If a hook was provided get the non-computed value from there
  			if ( hooks && "get" in hooks &&
  				( ret = hooks.get( elem, false, extra ) ) !== undefined ) {
  
  				return ret;
  			}
  
  			// Otherwise just get the value from the style object
  			return style[ name ];
  		}
  	},
  
  	css: function( elem, name, extra, styles ) {
  		var val, num, hooks,
  			origName = jQuery.camelCase( name );
  
  		// Make sure that we're working with the right name
  		name = jQuery.cssProps[ origName ] ||
  			( jQuery.cssProps[ origName ] = vendorPropName( origName ) || origName );
  
  		// Try prefixed name followed by the unprefixed name
  		hooks = jQuery.cssHooks[ name ] || jQuery.cssHooks[ origName ];
  
  		// If a hook was provided get the computed value from there
  		if ( hooks && "get" in hooks ) {
  			val = hooks.get( elem, true, extra );
  		}
  
  		// Otherwise, if a way to get the computed value exists, use that
  		if ( val === undefined ) {
  			val = curCSS( elem, name, styles );
  		}
  
  		// Convert "normal" to computed value
  		if ( val === "normal" && name in cssNormalTransform ) {
  			val = cssNormalTransform[ name ];
  		}
  
  		// Make numeric if forced or a qualifier was provided and val looks numeric
  		if ( extra === "" || extra ) {
  			num = parseFloat( val );
  			return extra === true || isFinite( num ) ? num || 0 : val;
  		}
  		return val;
  	}
  } );
  
  jQuery.each( [ "height", "width" ], function( i, name ) {
  	jQuery.cssHooks[ name ] = {
  		get: function( elem, computed, extra ) {
  			if ( computed ) {
  
  				// Certain elements can have dimension info if we invisibly show them
  				// but it must have a current display style that would benefit
  				return rdisplayswap.test( jQuery.css( elem, "display" ) ) &&
  
  					// Support: Safari 8+
  					// Table columns in Safari have non-zero offsetWidth & zero
  					// getBoundingClientRect().width unless display is changed.
  					// Support: IE <=11 only
  					// Running getBoundingClientRect on a disconnected node
  					// in IE throws an error.
  					( !elem.getClientRects().length || !elem.getBoundingClientRect().width ) ?
  						swap( elem, cssShow, function() {
  							return getWidthOrHeight( elem, name, extra );
  						} ) :
  						getWidthOrHeight( elem, name, extra );
  			}
  		},
  
  		set: function( elem, value, extra ) {
  			var matches,
  				styles = extra && getStyles( elem ),
  				subtract = extra && augmentWidthOrHeight(
  					elem,
  					name,
  					extra,
  					jQuery.css( elem, "boxSizing", false, styles ) === "border-box",
  					styles
  				);
  
  			// Convert to pixels if value adjustment is needed
  			if ( subtract && ( matches = rcssNum.exec( value ) ) &&
  				( matches[ 3 ] || "px" ) !== "px" ) {
  
  				elem.style[ name ] = value;
  				value = jQuery.css( elem, name );
  			}
  
  			return setPositiveNumber( elem, value, subtract );
  		}
  	};
  } );
  
  jQuery.cssHooks.marginLeft = addGetHookIf( support.reliableMarginLeft,
  	function( elem, computed ) {
  		if ( computed ) {
  			return ( parseFloat( curCSS( elem, "marginLeft" ) ) ||
  				elem.getBoundingClientRect().left -
  					swap( elem, { marginLeft: 0 }, function() {
  						return elem.getBoundingClientRect().left;
  					} )
  				) + "px";
  		}
  	}
  );
  
  // These hooks are used by animate to expand properties
  jQuery.each( {
  	margin: "",
  	padding: "",
  	border: "Width"
  }, function( prefix, suffix ) {
  	jQuery.cssHooks[ prefix + suffix ] = {
  		expand: function( value ) {
  			var i = 0,
  				expanded = {},
  
  				// Assumes a single number if not a string
  				parts = typeof value === "string" ? value.split( " " ) : [ value ];
  
  			for ( ; i < 4; i++ ) {
  				expanded[ prefix + cssExpand[ i ] + suffix ] =
  					parts[ i ] || parts[ i - 2 ] || parts[ 0 ];
  			}
  
  			return expanded;
  		}
  	};
  
  	if ( !rmargin.test( prefix ) ) {
  		jQuery.cssHooks[ prefix + suffix ].set = setPositiveNumber;
  	}
  } );
  
  jQuery.fn.extend( {
  	css: function( name, value ) {
  		return access( this, function( elem, name, value ) {
  			var styles, len,
  				map = {},
  				i = 0;
  
  			if ( jQuery.isArray( name ) ) {
  				styles = getStyles( elem );
  				len = name.length;
  
  				for ( ; i < len; i++ ) {
  					map[ name[ i ] ] = jQuery.css( elem, name[ i ], false, styles );
  				}
  
  				return map;
  			}
  
  			return value !== undefined ?
  				jQuery.style( elem, name, value ) :
  				jQuery.css( elem, name );
  		}, name, value, arguments.length > 1 );
  	}
  } );
  
  
  function Tween( elem, options, prop, end, easing ) {
  	return new Tween.prototype.init( elem, options, prop, end, easing );
  }
  jQuery.Tween = Tween;
  
  Tween.prototype = {
  	constructor: Tween,
  	init: function( elem, options, prop, end, easing, unit ) {
  		this.elem = elem;
  		this.prop = prop;
  		this.easing = easing || jQuery.easing._default;
  		this.options = options;
  		this.start = this.now = this.cur();
  		this.end = end;
  		this.unit = unit || ( jQuery.cssNumber[ prop ] ? "" : "px" );
  	},
  	cur: function() {
  		var hooks = Tween.propHooks[ this.prop ];
  
  		return hooks && hooks.get ?
  			hooks.get( this ) :
  			Tween.propHooks._default.get( this );
  	},
  	run: function( percent ) {
  		var eased,
  			hooks = Tween.propHooks[ this.prop ];
  
  		if ( this.options.duration ) {
  			this.pos = eased = jQuery.easing[ this.easing ](
  				percent, this.options.duration * percent, 0, 1, this.options.duration
  			);
  		} else {
  			this.pos = eased = percent;
  		}
  		this.now = ( this.end - this.start ) * eased + this.start;
  
  		if ( this.options.step ) {
  			this.options.step.call( this.elem, this.now, this );
  		}
  
  		if ( hooks && hooks.set ) {
  			hooks.set( this );
  		} else {
  			Tween.propHooks._default.set( this );
  		}
  		return this;
  	}
  };
  
  Tween.prototype.init.prototype = Tween.prototype;
  
  Tween.propHooks = {
  	_default: {
  		get: function( tween ) {
  			var result;
  
  			// Use a property on the element directly when it is not a DOM element,
  			// or when there is no matching style property that exists.
  			if ( tween.elem.nodeType !== 1 ||
  				tween.elem[ tween.prop ] != null && tween.elem.style[ tween.prop ] == null ) {
  				return tween.elem[ tween.prop ];
  			}
  
  			// Passing an empty string as a 3rd parameter to .css will automatically
  			// attempt a parseFloat and fallback to a string if the parse fails.
  			// Simple values such as "10px" are parsed to Float;
  			// complex values such as "rotate(1rad)" are returned as-is.
  			result = jQuery.css( tween.elem, tween.prop, "" );
  
  			// Empty strings, null, undefined and "auto" are converted to 0.
  			return !result || result === "auto" ? 0 : result;
  		},
  		set: function( tween ) {
  
  			// Use step hook for back compat.
  			// Use cssHook if its there.
  			// Use .style if available and use plain properties where available.
  			if ( jQuery.fx.step[ tween.prop ] ) {
  				jQuery.fx.step[ tween.prop ]( tween );
  			} else if ( tween.elem.nodeType === 1 &&
  				( tween.elem.style[ jQuery.cssProps[ tween.prop ] ] != null ||
  					jQuery.cssHooks[ tween.prop ] ) ) {
  				jQuery.style( tween.elem, tween.prop, tween.now + tween.unit );
  			} else {
  				tween.elem[ tween.prop ] = tween.now;
  			}
  		}
  	}
  };
  
  // Support: IE <=9 only
  // Panic based approach to setting things on disconnected nodes
  Tween.propHooks.scrollTop = Tween.propHooks.scrollLeft = {
  	set: function( tween ) {
  		if ( tween.elem.nodeType && tween.elem.parentNode ) {
  			tween.elem[ tween.prop ] = tween.now;
  		}
  	}
  };
  
  jQuery.easing = {
  	linear: function( p ) {
  		return p;
  	},
  	swing: function( p ) {
  		return 0.5 - Math.cos( p * Math.PI ) / 2;
  	},
  	_default: "swing"
  };
  
  jQuery.fx = Tween.prototype.init;
  
  // Back compat <1.8 extension point
  jQuery.fx.step = {};
  
  
  
  
  var
  	fxNow, timerId,
  	rfxtypes = /^(?:toggle|show|hide)$/,
  	rrun = /queueHooks$/;
  
  function raf() {
  	if ( timerId ) {
  		window.requestAnimationFrame( raf );
  		jQuery.fx.tick();
  	}
  }
  
  // Animations created synchronously will run synchronously
  function createFxNow() {
  	window.setTimeout( function() {
  		fxNow = undefined;
  	} );
  	return ( fxNow = jQuery.now() );
  }
  
  // Generate parameters to create a standard animation
  function genFx( type, includeWidth ) {
  	var which,
  		i = 0,
  		attrs = { height: type };
  
  	// If we include width, step value is 1 to do all cssExpand values,
  	// otherwise step value is 2 to skip over Left and Right
  	includeWidth = includeWidth ? 1 : 0;
  	for ( ; i < 4 ; i += 2 - includeWidth ) {
  		which = cssExpand[ i ];
  		attrs[ "margin" + which ] = attrs[ "padding" + which ] = type;
  	}
  
  	if ( includeWidth ) {
  		attrs.opacity = attrs.width = type;
  	}
  
  	return attrs;
  }
  
  function createTween( value, prop, animation ) {
  	var tween,
  		collection = ( Animation.tweeners[ prop ] || [] ).concat( Animation.tweeners[ "*" ] ),
  		index = 0,
  		length = collection.length;
  	for ( ; index < length; index++ ) {
  		if ( ( tween = collection[ index ].call( animation, prop, value ) ) ) {
  
  			// We're done with this property
  			return tween;
  		}
  	}
  }
  
  function defaultPrefilter( elem, props, opts ) {
  	/* jshint validthis: true */
  	var prop, value, toggle, hooks, oldfire, propTween, restoreDisplay, display,
  		isBox = "width" in props || "height" in props,
  		anim = this,
  		orig = {},
  		style = elem.style,
  		hidden = elem.nodeType && isHiddenWithinTree( elem ),
  		dataShow = dataPriv.get( elem, "fxshow" );
  
  	// Queue-skipping animations hijack the fx hooks
  	if ( !opts.queue ) {
  		hooks = jQuery._queueHooks( elem, "fx" );
  		if ( hooks.unqueued == null ) {
  			hooks.unqueued = 0;
  			oldfire = hooks.empty.fire;
  			hooks.empty.fire = function() {
  				if ( !hooks.unqueued ) {
  					oldfire();
  				}
  			};
  		}
  		hooks.unqueued++;
  
  		anim.always( function() {
  
  			// Ensure the complete handler is called before this completes
  			anim.always( function() {
  				hooks.unqueued--;
  				if ( !jQuery.queue( elem, "fx" ).length ) {
  					hooks.empty.fire();
  				}
  			} );
  		} );
  	}
  
  	// Detect show/hide animations
  	for ( prop in props ) {
  		value = props[ prop ];
  		if ( rfxtypes.test( value ) ) {
  			delete props[ prop ];
  			toggle = toggle || value === "toggle";
  			if ( value === ( hidden ? "hide" : "show" ) ) {
  
  				// Pretend to be hidden if this is a "show" and
  				// there is still data from a stopped show/hide
  				if ( value === "show" && dataShow && dataShow[ prop ] !== undefined ) {
  					hidden = true;
  
  				// Ignore all other no-op show/hide data
  				} else {
  					continue;
  				}
  			}
  			orig[ prop ] = dataShow && dataShow[ prop ] || jQuery.style( elem, prop );
  		}
  	}
  
  	// Bail out if this is a no-op like .hide().hide()
  	propTween = !jQuery.isEmptyObject( props );
  	if ( !propTween && jQuery.isEmptyObject( orig ) ) {
  		return;
  	}
  
  	// Restrict "overflow" and "display" styles during box animations
  	if ( isBox && elem.nodeType === 1 ) {
  
  		// Support: IE <=9 - 11, Edge 12 - 13
  		// Record all 3 overflow attributes because IE does not infer the shorthand
  		// from identically-valued overflowX and overflowY
  		opts.overflow = [ style.overflow, style.overflowX, style.overflowY ];
  
  		// Identify a display type, preferring old show/hide data over the CSS cascade
  		restoreDisplay = dataShow && dataShow.display;
  		if ( restoreDisplay == null ) {
  			restoreDisplay = dataPriv.get( elem, "display" );
  		}
  		display = jQuery.css( elem, "display" );
  		if ( display === "none" ) {
  			if ( restoreDisplay ) {
  				display = restoreDisplay;
  			} else {
  
  				// Get nonempty value(s) by temporarily forcing visibility
  				showHide( [ elem ], true );
  				restoreDisplay = elem.style.display || restoreDisplay;
  				display = jQuery.css( elem, "display" );
  				showHide( [ elem ] );
  			}
  		}
  
  		// Animate inline elements as inline-block
  		if ( display === "inline" || display === "inline-block" && restoreDisplay != null ) {
  			if ( jQuery.css( elem, "float" ) === "none" ) {
  
  				// Restore the original display value at the end of pure show/hide animations
  				if ( !propTween ) {
  					anim.done( function() {
  						style.display = restoreDisplay;
  					} );
  					if ( restoreDisplay == null ) {
  						display = style.display;
  						restoreDisplay = display === "none" ? "" : display;
  					}
  				}
  				style.display = "inline-block";
  			}
  		}
  	}
  
  	if ( opts.overflow ) {
  		style.overflow = "hidden";
  		anim.always( function() {
  			style.overflow = opts.overflow[ 0 ];
  			style.overflowX = opts.overflow[ 1 ];
  			style.overflowY = opts.overflow[ 2 ];
  		} );
  	}
  
  	// Implement show/hide animations
  	propTween = false;
  	for ( prop in orig ) {
  
  		// General show/hide setup for this element animation
  		if ( !propTween ) {
  			if ( dataShow ) {
  				if ( "hidden" in dataShow ) {
  					hidden = dataShow.hidden;
  				}
  			} else {
  				dataShow = dataPriv.access( elem, "fxshow", { display: restoreDisplay } );
  			}
  
  			// Store hidden/visible for toggle so `.stop().toggle()` "reverses"
  			if ( toggle ) {
  				dataShow.hidden = !hidden;
  			}
  
  			// Show elements before animating them
  			if ( hidden ) {
  				showHide( [ elem ], true );
  			}
  
  			/* jshint -W083 */
  			anim.done( function() {
  
  				// The final step of a "hide" animation is actually hiding the element
  				if ( !hidden ) {
  					showHide( [ elem ] );
  				}
  				dataPriv.remove( elem, "fxshow" );
  				for ( prop in orig ) {
  					jQuery.style( elem, prop, orig[ prop ] );
  				}
  			} );
  		}
  
  		// Per-property setup
  		propTween = createTween( hidden ? dataShow[ prop ] : 0, prop, anim );
  		if ( !( prop in dataShow ) ) {
  			dataShow[ prop ] = propTween.start;
  			if ( hidden ) {
  				propTween.end = propTween.start;
  				propTween.start = 0;
  			}
  		}
  	}
  }
  
  function propFilter( props, specialEasing ) {
  	var index, name, easing, value, hooks;
  
  	// camelCase, specialEasing and expand cssHook pass
  	for ( index in props ) {
  		name = jQuery.camelCase( index );
  		easing = specialEasing[ name ];
  		value = props[ index ];
  		if ( jQuery.isArray( value ) ) {
  			easing = value[ 1 ];
  			value = props[ index ] = value[ 0 ];
  		}
  
  		if ( index !== name ) {
  			props[ name ] = value;
  			delete props[ index ];
  		}
  
  		hooks = jQuery.cssHooks[ name ];
  		if ( hooks && "expand" in hooks ) {
  			value = hooks.expand( value );
  			delete props[ name ];
  
  			// Not quite $.extend, this won't overwrite existing keys.
  			// Reusing 'index' because we have the correct "name"
  			for ( index in value ) {
  				if ( !( index in props ) ) {
  					props[ index ] = value[ index ];
  					specialEasing[ index ] = easing;
  				}
  			}
  		} else {
  			specialEasing[ name ] = easing;
  		}
  	}
  }
  
  function Animation( elem, properties, options ) {
  	var result,
  		stopped,
  		index = 0,
  		length = Animation.prefilters.length,
  		deferred = jQuery.Deferred().always( function() {
  
  			// Don't match elem in the :animated selector
  			delete tick.elem;
  		} ),
  		tick = function() {
  			if ( stopped ) {
  				return false;
  			}
  			var currentTime = fxNow || createFxNow(),
  				remaining = Math.max( 0, animation.startTime + animation.duration - currentTime ),
  
  				// Support: Android 2.3 only
  				// Archaic crash bug won't allow us to use `1 - ( 0.5 || 0 )` (#12497)
  				temp = remaining / animation.duration || 0,
  				percent = 1 - temp,
  				index = 0,
  				length = animation.tweens.length;
  
  			for ( ; index < length ; index++ ) {
  				animation.tweens[ index ].run( percent );
  			}
  
  			deferred.notifyWith( elem, [ animation, percent, remaining ] );
  
  			if ( percent < 1 && length ) {
  				return remaining;
  			} else {
  				deferred.resolveWith( elem, [ animation ] );
  				return false;
  			}
  		},
  		animation = deferred.promise( {
  			elem: elem,
  			props: jQuery.extend( {}, properties ),
  			opts: jQuery.extend( true, {
  				specialEasing: {},
  				easing: jQuery.easing._default
  			}, options ),
  			originalProperties: properties,
  			originalOptions: options,
  			startTime: fxNow || createFxNow(),
  			duration: options.duration,
  			tweens: [],
  			createTween: function( prop, end ) {
  				var tween = jQuery.Tween( elem, animation.opts, prop, end,
  						animation.opts.specialEasing[ prop ] || animation.opts.easing );
  				animation.tweens.push( tween );
  				return tween;
  			},
  			stop: function( gotoEnd ) {
  				var index = 0,
  
  					// If we are going to the end, we want to run all the tweens
  					// otherwise we skip this part
  					length = gotoEnd ? animation.tweens.length : 0;
  				if ( stopped ) {
  					return this;
  				}
  				stopped = true;
  				for ( ; index < length ; index++ ) {
  					animation.tweens[ index ].run( 1 );
  				}
  
  				// Resolve when we played the last frame; otherwise, reject
  				if ( gotoEnd ) {
  					deferred.notifyWith( elem, [ animation, 1, 0 ] );
  					deferred.resolveWith( elem, [ animation, gotoEnd ] );
  				} else {
  					deferred.rejectWith( elem, [ animation, gotoEnd ] );
  				}
  				return this;
  			}
  		} ),
  		props = animation.props;
  
  	propFilter( props, animation.opts.specialEasing );
  
  	for ( ; index < length ; index++ ) {
  		result = Animation.prefilters[ index ].call( animation, elem, props, animation.opts );
  		if ( result ) {
  			if ( jQuery.isFunction( result.stop ) ) {
  				jQuery._queueHooks( animation.elem, animation.opts.queue ).stop =
  					jQuery.proxy( result.stop, result );
  			}
  			return result;
  		}
  	}
  
  	jQuery.map( props, createTween, animation );
  
  	if ( jQuery.isFunction( animation.opts.start ) ) {
  		animation.opts.start.call( elem, animation );
  	}
  
  	jQuery.fx.timer(
  		jQuery.extend( tick, {
  			elem: elem,
  			anim: animation,
  			queue: animation.opts.queue
  		} )
  	);
  
  	// attach callbacks from options
  	return animation.progress( animation.opts.progress )
  		.done( animation.opts.done, animation.opts.complete )
  		.fail( animation.opts.fail )
  		.always( animation.opts.always );
  }
  
  jQuery.Animation = jQuery.extend( Animation, {
  
  	tweeners: {
  		"*": [ function( prop, value ) {
  			var tween = this.createTween( prop, value );
  			adjustCSS( tween.elem, prop, rcssNum.exec( value ), tween );
  			return tween;
  		} ]
  	},
  
  	tweener: function( props, callback ) {
  		if ( jQuery.isFunction( props ) ) {
  			callback = props;
  			props = [ "*" ];
  		} else {
  			props = props.match( rnotwhite );
  		}
  
  		var prop,
  			index = 0,
  			length = props.length;
  
  		for ( ; index < length ; index++ ) {
  			prop = props[ index ];
  			Animation.tweeners[ prop ] = Animation.tweeners[ prop ] || [];
  			Animation.tweeners[ prop ].unshift( callback );
  		}
  	},
  
  	prefilters: [ defaultPrefilter ],
  
  	prefilter: function( callback, prepend ) {
  		if ( prepend ) {
  			Animation.prefilters.unshift( callback );
  		} else {
  			Animation.prefilters.push( callback );
  		}
  	}
  } );
  
  jQuery.speed = function( speed, easing, fn ) {
  	var opt = speed && typeof speed === "object" ? jQuery.extend( {}, speed ) : {
  		complete: fn || !fn && easing ||
  			jQuery.isFunction( speed ) && speed,
  		duration: speed,
  		easing: fn && easing || easing && !jQuery.isFunction( easing ) && easing
  	};
  
  	// Go to the end state if fx are off or if document is hidden
  	if ( jQuery.fx.off || document.hidden ) {
  		opt.duration = 0;
  
  	} else {
  		opt.duration = typeof opt.duration === "number" ?
  			opt.duration : opt.duration in jQuery.fx.speeds ?
  				jQuery.fx.speeds[ opt.duration ] : jQuery.fx.speeds._default;
  	}
  
  	// Normalize opt.queue - true/undefined/null -> "fx"
  	if ( opt.queue == null || opt.queue === true ) {
  		opt.queue = "fx";
  	}
  
  	// Queueing
  	opt.old = opt.complete;
  
  	opt.complete = function() {
  		if ( jQuery.isFunction( opt.old ) ) {
  			opt.old.call( this );
  		}
  
  		if ( opt.queue ) {
  			jQuery.dequeue( this, opt.queue );
  		}
  	};
  
  	return opt;
  };
  
  jQuery.fn.extend( {
  	fadeTo: function( speed, to, easing, callback ) {
  
  		// Show any hidden elements after setting opacity to 0
  		return this.filter( isHiddenWithinTree ).css( "opacity", 0 ).show()
  
  			// Animate to the value specified
  			.end().animate( { opacity: to }, speed, easing, callback );
  	},
  	animate: function( prop, speed, easing, callback ) {
  		var empty = jQuery.isEmptyObject( prop ),
  			optall = jQuery.speed( speed, easing, callback ),
  			doAnimation = function() {
  
  				// Operate on a copy of prop so per-property easing won't be lost
  				var anim = Animation( this, jQuery.extend( {}, prop ), optall );
  
  				// Empty animations, or finishing resolves immediately
  				if ( empty || dataPriv.get( this, "finish" ) ) {
  					anim.stop( true );
  				}
  			};
  			doAnimation.finish = doAnimation;
  
  		return empty || optall.queue === false ?
  			this.each( doAnimation ) :
  			this.queue( optall.queue, doAnimation );
  	},
  	stop: function( type, clearQueue, gotoEnd ) {
  		var stopQueue = function( hooks ) {
  			var stop = hooks.stop;
  			delete hooks.stop;
  			stop( gotoEnd );
  		};
  
  		if ( typeof type !== "string" ) {
  			gotoEnd = clearQueue;
  			clearQueue = type;
  			type = undefined;
  		}
  		if ( clearQueue && type !== false ) {
  			this.queue( type || "fx", [] );
  		}
  
  		return this.each( function() {
  			var dequeue = true,
  				index = type != null && type + "queueHooks",
  				timers = jQuery.timers,
  				data = dataPriv.get( this );
  
  			if ( index ) {
  				if ( data[ index ] && data[ index ].stop ) {
  					stopQueue( data[ index ] );
  				}
  			} else {
  				for ( index in data ) {
  					if ( data[ index ] && data[ index ].stop && rrun.test( index ) ) {
  						stopQueue( data[ index ] );
  					}
  				}
  			}
  
  			for ( index = timers.length; index--; ) {
  				if ( timers[ index ].elem === this &&
  					( type == null || timers[ index ].queue === type ) ) {
  
  					timers[ index ].anim.stop( gotoEnd );
  					dequeue = false;
  					timers.splice( index, 1 );
  				}
  			}
  
  			// Start the next in the queue if the last step wasn't forced.
  			// Timers currently will call their complete callbacks, which
  			// will dequeue but only if they were gotoEnd.
  			if ( dequeue || !gotoEnd ) {
  				jQuery.dequeue( this, type );
  			}
  		} );
  	},
  	finish: function( type ) {
  		if ( type !== false ) {
  			type = type || "fx";
  		}
  		return this.each( function() {
  			var index,
  				data = dataPriv.get( this ),
  				queue = data[ type + "queue" ],
  				hooks = data[ type + "queueHooks" ],
  				timers = jQuery.timers,
  				length = queue ? queue.length : 0;
  
  			// Enable finishing flag on private data
  			data.finish = true;
  
  			// Empty the queue first
  			jQuery.queue( this, type, [] );
  
  			if ( hooks && hooks.stop ) {
  				hooks.stop.call( this, true );
  			}
  
  			// Look for any active animations, and finish them
  			for ( index = timers.length; index--; ) {
  				if ( timers[ index ].elem === this && timers[ index ].queue === type ) {
  					timers[ index ].anim.stop( true );
  					timers.splice( index, 1 );
  				}
  			}
  
  			// Look for any animations in the old queue and finish them
  			for ( index = 0; index < length; index++ ) {
  				if ( queue[ index ] && queue[ index ].finish ) {
  					queue[ index ].finish.call( this );
  				}
  			}
  
  			// Turn off finishing flag
  			delete data.finish;
  		} );
  	}
  } );
  
  jQuery.each( [ "toggle", "show", "hide" ], function( i, name ) {
  	var cssFn = jQuery.fn[ name ];
  	jQuery.fn[ name ] = function( speed, easing, callback ) {
  		return speed == null || typeof speed === "boolean" ?
  			cssFn.apply( this, arguments ) :
  			this.animate( genFx( name, true ), speed, easing, callback );
  	};
  } );
  
  // Generate shortcuts for custom animations
  jQuery.each( {
  	slideDown: genFx( "show" ),
  	slideUp: genFx( "hide" ),
  	slideToggle: genFx( "toggle" ),
  	fadeIn: { opacity: "show" },
  	fadeOut: { opacity: "hide" },
  	fadeToggle: { opacity: "toggle" }
  }, function( name, props ) {
  	jQuery.fn[ name ] = function( speed, easing, callback ) {
  		return this.animate( props, speed, easing, callback );
  	};
  } );
  
  jQuery.timers = [];
  jQuery.fx.tick = function() {
  	var timer,
  		i = 0,
  		timers = jQuery.timers;
  
  	fxNow = jQuery.now();
  
  	for ( ; i < timers.length; i++ ) {
  		timer = timers[ i ];
  
  		// Checks the timer has not already been removed
  		if ( !timer() && timers[ i ] === timer ) {
  			timers.splice( i--, 1 );
  		}
  	}
  
  	if ( !timers.length ) {
  		jQuery.fx.stop();
  	}
  	fxNow = undefined;
  };
  
  jQuery.fx.timer = function( timer ) {
  	jQuery.timers.push( timer );
  	if ( timer() ) {
  		jQuery.fx.start();
  	} else {
  		jQuery.timers.pop();
  	}
  };
  
  jQuery.fx.interval = 13;
  jQuery.fx.start = function() {
  	if ( !timerId ) {
  		timerId = window.requestAnimationFrame ?
  			window.requestAnimationFrame( raf ) :
  			window.setInterval( jQuery.fx.tick, jQuery.fx.interval );
  	}
  };
  
  jQuery.fx.stop = function() {
  	if ( window.cancelAnimationFrame ) {
  		window.cancelAnimationFrame( timerId );
  	} else {
  		window.clearInterval( timerId );
  	}
  
  	timerId = null;
  };
  
  jQuery.fx.speeds = {
  	slow: 600,
  	fast: 200,
  
  	// Default speed
  	_default: 400
  };
  
  
  // Based off of the plugin by Clint Helfers, with permission.
  // https://web.archive.org/web/20100324014747/http://blindsignals.com/index.php/2009/07/jquery-delay/
  jQuery.fn.delay = function( time, type ) {
  	time = jQuery.fx ? jQuery.fx.speeds[ time ] || time : time;
  	type = type || "fx";
  
  	return this.queue( type, function( next, hooks ) {
  		var timeout = window.setTimeout( next, time );
  		hooks.stop = function() {
  			window.clearTimeout( timeout );
  		};
  	} );
  };
  
  
  ( function() {
  	var input = document.createElement( "input" ),
  		select = document.createElement( "select" ),
  		opt = select.appendChild( document.createElement( "option" ) );
  
  	input.type = "checkbox";
  
  	// Support: Android <=4.3 only
  	// Default value for a checkbox should be "on"
  	support.checkOn = input.value !== "";
  
  	// Support: IE <=11 only
  	// Must access selectedIndex to make default options select
  	support.optSelected = opt.selected;
  
  	// Support: IE <=11 only
  	// An input loses its value after becoming a radio
  	input = document.createElement( "input" );
  	input.value = "t";
  	input.type = "radio";
  	support.radioValue = input.value === "t";
  } )();
  
  
  var boolHook,
  	attrHandle = jQuery.expr.attrHandle;
  
  jQuery.fn.extend( {
  	attr: function( name, value ) {
  		return access( this, jQuery.attr, name, value, arguments.length > 1 );
  	},
  
  	removeAttr: function( name ) {
  		return this.each( function() {
  			jQuery.removeAttr( this, name );
  		} );
  	}
  } );
  
  jQuery.extend( {
  	attr: function( elem, name, value ) {
  		var ret, hooks,
  			nType = elem.nodeType;
  
  		// Don't get/set attributes on text, comment and attribute nodes
  		if ( nType === 3 || nType === 8 || nType === 2 ) {
  			return;
  		}
  
  		// Fallback to prop when attributes are not supported
  		if ( typeof elem.getAttribute === "undefined" ) {
  			return jQuery.prop( elem, name, value );
  		}
  
  		// Attribute hooks are determined by the lowercase version
  		// Grab necessary hook if one is defined
  		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  			hooks = jQuery.attrHooks[ name.toLowerCase() ] ||
  				( jQuery.expr.match.bool.test( name ) ? boolHook : undefined );
  		}
  
  		if ( value !== undefined ) {
  			if ( value === null ) {
  				jQuery.removeAttr( elem, name );
  				return;
  			}
  
  			if ( hooks && "set" in hooks &&
  				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
  				return ret;
  			}
  
  			elem.setAttribute( name, value + "" );
  			return value;
  		}
  
  		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
  			return ret;
  		}
  
  		ret = jQuery.find.attr( elem, name );
  
  		// Non-existent attributes return null, we normalize to undefined
  		return ret == null ? undefined : ret;
  	},
  
  	attrHooks: {
  		type: {
  			set: function( elem, value ) {
  				if ( !support.radioValue && value === "radio" &&
  					jQuery.nodeName( elem, "input" ) ) {
  					var val = elem.value;
  					elem.setAttribute( "type", value );
  					if ( val ) {
  						elem.value = val;
  					}
  					return value;
  				}
  			}
  		}
  	},
  
  	removeAttr: function( elem, value ) {
  		var name,
  			i = 0,
  			attrNames = value && value.match( rnotwhite );
  
  		if ( attrNames && elem.nodeType === 1 ) {
  			while ( ( name = attrNames[ i++ ] ) ) {
  				elem.removeAttribute( name );
  			}
  		}
  	}
  } );
  
  // Hooks for boolean attributes
  boolHook = {
  	set: function( elem, value, name ) {
  		if ( value === false ) {
  
  			// Remove boolean attributes when set to false
  			jQuery.removeAttr( elem, name );
  		} else {
  			elem.setAttribute( name, name );
  		}
  		return name;
  	}
  };
  
  jQuery.each( jQuery.expr.match.bool.source.match( /\w+/g ), function( i, name ) {
  	var getter = attrHandle[ name ] || jQuery.find.attr;
  
  	attrHandle[ name ] = function( elem, name, isXML ) {
  		var ret, handle,
  			lowercaseName = name.toLowerCase();
  
  		if ( !isXML ) {
  
  			// Avoid an infinite loop by temporarily removing this function from the getter
  			handle = attrHandle[ lowercaseName ];
  			attrHandle[ lowercaseName ] = ret;
  			ret = getter( elem, name, isXML ) != null ?
  				lowercaseName :
  				null;
  			attrHandle[ lowercaseName ] = handle;
  		}
  		return ret;
  	};
  } );
  
  
  
  
  var rfocusable = /^(?:input|select|textarea|button)$/i,
  	rclickable = /^(?:a|area)$/i;
  
  jQuery.fn.extend( {
  	prop: function( name, value ) {
  		return access( this, jQuery.prop, name, value, arguments.length > 1 );
  	},
  
  	removeProp: function( name ) {
  		return this.each( function() {
  			delete this[ jQuery.propFix[ name ] || name ];
  		} );
  	}
  } );
  
  jQuery.extend( {
  	prop: function( elem, name, value ) {
  		var ret, hooks,
  			nType = elem.nodeType;
  
  		// Don't get/set properties on text, comment and attribute nodes
  		if ( nType === 3 || nType === 8 || nType === 2 ) {
  			return;
  		}
  
  		if ( nType !== 1 || !jQuery.isXMLDoc( elem ) ) {
  
  			// Fix name and attach hooks
  			name = jQuery.propFix[ name ] || name;
  			hooks = jQuery.propHooks[ name ];
  		}
  
  		if ( value !== undefined ) {
  			if ( hooks && "set" in hooks &&
  				( ret = hooks.set( elem, value, name ) ) !== undefined ) {
  				return ret;
  			}
  
  			return ( elem[ name ] = value );
  		}
  
  		if ( hooks && "get" in hooks && ( ret = hooks.get( elem, name ) ) !== null ) {
  			return ret;
  		}
  
  		return elem[ name ];
  	},
  
  	propHooks: {
  		tabIndex: {
  			get: function( elem ) {
  
  				// Support: IE <=9 - 11 only
  				// elem.tabIndex doesn't always return the
  				// correct value when it hasn't been explicitly set
  				// https://web.archive.org/web/20141116233347/http://fluidproject.org/blog/2008/01/09/getting-setting-and-removing-tabindex-values-with-javascript/
  				// Use proper attribute retrieval(#12072)
  				var tabindex = jQuery.find.attr( elem, "tabindex" );
  
  				return tabindex ?
  					parseInt( tabindex, 10 ) :
  					rfocusable.test( elem.nodeName ) ||
  						rclickable.test( elem.nodeName ) && elem.href ?
  							0 :
  							-1;
  			}
  		}
  	},
  
  	propFix: {
  		"for": "htmlFor",
  		"class": "className"
  	}
  } );
  
  // Support: IE <=11 only
  // Accessing the selectedIndex property
  // forces the browser to respect setting selected
  // on the option
  // The getter ensures a default option is selected
  // when in an optgroup
  if ( !support.optSelected ) {
  	jQuery.propHooks.selected = {
  		get: function( elem ) {
  			var parent = elem.parentNode;
  			if ( parent && parent.parentNode ) {
  				parent.parentNode.selectedIndex;
  			}
  			return null;
  		},
  		set: function( elem ) {
  			var parent = elem.parentNode;
  			if ( parent ) {
  				parent.selectedIndex;
  
  				if ( parent.parentNode ) {
  					parent.parentNode.selectedIndex;
  				}
  			}
  		}
  	};
  }
  
  jQuery.each( [
  	"tabIndex",
  	"readOnly",
  	"maxLength",
  	"cellSpacing",
  	"cellPadding",
  	"rowSpan",
  	"colSpan",
  	"useMap",
  	"frameBorder",
  	"contentEditable"
  ], function() {
  	jQuery.propFix[ this.toLowerCase() ] = this;
  } );
  
  
  
  
  var rclass = /[\t\r\n\f]/g;
  
  function getClass( elem ) {
  	return elem.getAttribute && elem.getAttribute( "class" ) || "";
  }
  
  jQuery.fn.extend( {
  	addClass: function( value ) {
  		var classes, elem, cur, curValue, clazz, j, finalValue,
  			i = 0;
  
  		if ( jQuery.isFunction( value ) ) {
  			return this.each( function( j ) {
  				jQuery( this ).addClass( value.call( this, j, getClass( this ) ) );
  			} );
  		}
  
  		if ( typeof value === "string" && value ) {
  			classes = value.match( rnotwhite ) || [];
  
  			while ( ( elem = this[ i++ ] ) ) {
  				curValue = getClass( elem );
  				cur = elem.nodeType === 1 &&
  					( " " + curValue + " " ).replace( rclass, " " );
  
  				if ( cur ) {
  					j = 0;
  					while ( ( clazz = classes[ j++ ] ) ) {
  						if ( cur.indexOf( " " + clazz + " " ) < 0 ) {
  							cur += clazz + " ";
  						}
  					}
  
  					// Only assign if different to avoid unneeded rendering.
  					finalValue = jQuery.trim( cur );
  					if ( curValue !== finalValue ) {
  						elem.setAttribute( "class", finalValue );
  					}
  				}
  			}
  		}
  
  		return this;
  	},
  
  	removeClass: function( value ) {
  		var classes, elem, cur, curValue, clazz, j, finalValue,
  			i = 0;
  
  		if ( jQuery.isFunction( value ) ) {
  			return this.each( function( j ) {
  				jQuery( this ).removeClass( value.call( this, j, getClass( this ) ) );
  			} );
  		}
  
  		if ( !arguments.length ) {
  			return this.attr( "class", "" );
  		}
  
  		if ( typeof value === "string" && value ) {
  			classes = value.match( rnotwhite ) || [];
  
  			while ( ( elem = this[ i++ ] ) ) {
  				curValue = getClass( elem );
  
  				// This expression is here for better compressibility (see addClass)
  				cur = elem.nodeType === 1 &&
  					( " " + curValue + " " ).replace( rclass, " " );
  
  				if ( cur ) {
  					j = 0;
  					while ( ( clazz = classes[ j++ ] ) ) {
  
  						// Remove *all* instances
  						while ( cur.indexOf( " " + clazz + " " ) > -1 ) {
  							cur = cur.replace( " " + clazz + " ", " " );
  						}
  					}
  
  					// Only assign if different to avoid unneeded rendering.
  					finalValue = jQuery.trim( cur );
  					if ( curValue !== finalValue ) {
  						elem.setAttribute( "class", finalValue );
  					}
  				}
  			}
  		}
  
  		return this;
  	},
  
  	toggleClass: function( value, stateVal ) {
  		var type = typeof value;
  
  		if ( typeof stateVal === "boolean" && type === "string" ) {
  			return stateVal ? this.addClass( value ) : this.removeClass( value );
  		}
  
  		if ( jQuery.isFunction( value ) ) {
  			return this.each( function( i ) {
  				jQuery( this ).toggleClass(
  					value.call( this, i, getClass( this ), stateVal ),
  					stateVal
  				);
  			} );
  		}
  
  		return this.each( function() {
  			var className, i, self, classNames;
  
  			if ( type === "string" ) {
  
  				// Toggle individual class names
  				i = 0;
  				self = jQuery( this );
  				classNames = value.match( rnotwhite ) || [];
  
  				while ( ( className = classNames[ i++ ] ) ) {
  
  					// Check each className given, space separated list
  					if ( self.hasClass( className ) ) {
  						self.removeClass( className );
  					} else {
  						self.addClass( className );
  					}
  				}
  
  			// Toggle whole class name
  			} else if ( value === undefined || type === "boolean" ) {
  				className = getClass( this );
  				if ( className ) {
  
  					// Store className if set
  					dataPriv.set( this, "__className__", className );
  				}
  
  				// If the element has a class name or if we're passed `false`,
  				// then remove the whole classname (if there was one, the above saved it).
  				// Otherwise bring back whatever was previously saved (if anything),
  				// falling back to the empty string if nothing was stored.
  				if ( this.setAttribute ) {
  					this.setAttribute( "class",
  						className || value === false ?
  						"" :
  						dataPriv.get( this, "__className__" ) || ""
  					);
  				}
  			}
  		} );
  	},
  
  	hasClass: function( selector ) {
  		var className, elem,
  			i = 0;
  
  		className = " " + selector + " ";
  		while ( ( elem = this[ i++ ] ) ) {
  			if ( elem.nodeType === 1 &&
  				( " " + getClass( elem ) + " " ).replace( rclass, " " )
  					.indexOf( className ) > -1
  			) {
  				return true;
  			}
  		}
  
  		return false;
  	}
  } );
  
  
  
  
  var rreturn = /\r/g,
  	rspaces = /[\x20\t\r\n\f]+/g;
  
  jQuery.fn.extend( {
  	val: function( value ) {
  		var hooks, ret, isFunction,
  			elem = this[ 0 ];
  
  		if ( !arguments.length ) {
  			if ( elem ) {
  				hooks = jQuery.valHooks[ elem.type ] ||
  					jQuery.valHooks[ elem.nodeName.toLowerCase() ];
  
  				if ( hooks &&
  					"get" in hooks &&
  					( ret = hooks.get( elem, "value" ) ) !== undefined
  				) {
  					return ret;
  				}
  
  				ret = elem.value;
  
  				return typeof ret === "string" ?
  
  					// Handle most common string cases
  					ret.replace( rreturn, "" ) :
  
  					// Handle cases where value is null/undef or number
  					ret == null ? "" : ret;
  			}
  
  			return;
  		}
  
  		isFunction = jQuery.isFunction( value );
  
  		return this.each( function( i ) {
  			var val;
  
  			if ( this.nodeType !== 1 ) {
  				return;
  			}
  
  			if ( isFunction ) {
  				val = value.call( this, i, jQuery( this ).val() );
  			} else {
  				val = value;
  			}
  
  			// Treat null/undefined as ""; convert numbers to string
  			if ( val == null ) {
  				val = "";
  
  			} else if ( typeof val === "number" ) {
  				val += "";
  
  			} else if ( jQuery.isArray( val ) ) {
  				val = jQuery.map( val, function( value ) {
  					return value == null ? "" : value + "";
  				} );
  			}
  
  			hooks = jQuery.valHooks[ this.type ] || jQuery.valHooks[ this.nodeName.toLowerCase() ];
  
  			// If set returns undefined, fall back to normal setting
  			if ( !hooks || !( "set" in hooks ) || hooks.set( this, val, "value" ) === undefined ) {
  				this.value = val;
  			}
  		} );
  	}
  } );
  
  jQuery.extend( {
  	valHooks: {
  		option: {
  			get: function( elem ) {
  
  				var val = jQuery.find.attr( elem, "value" );
  				return val != null ?
  					val :
  
  					// Support: IE <=10 - 11 only
  					// option.text throws exceptions (#14686, #14858)
  					// Strip and collapse whitespace
  					// https://html.spec.whatwg.org/#strip-and-collapse-whitespace
  					jQuery.trim( jQuery.text( elem ) ).replace( rspaces, " " );
  			}
  		},
  		select: {
  			get: function( elem ) {
  				var value, option,
  					options = elem.options,
  					index = elem.selectedIndex,
  					one = elem.type === "select-one",
  					values = one ? null : [],
  					max = one ? index + 1 : options.length,
  					i = index < 0 ?
  						max :
  						one ? index : 0;
  
  				// Loop through all the selected options
  				for ( ; i < max; i++ ) {
  					option = options[ i ];
  
  					// Support: IE <=9 only
  					// IE8-9 doesn't update selected after form reset (#2551)
  					if ( ( option.selected || i === index ) &&
  
  							// Don't return options that are disabled or in a disabled optgroup
  							!option.disabled &&
  							( !option.parentNode.disabled ||
  								!jQuery.nodeName( option.parentNode, "optgroup" ) ) ) {
  
  						// Get the specific value for the option
  						value = jQuery( option ).val();
  
  						// We don't need an array for one selects
  						if ( one ) {
  							return value;
  						}
  
  						// Multi-Selects return an array
  						values.push( value );
  					}
  				}
  
  				return values;
  			},
  
  			set: function( elem, value ) {
  				var optionSet, option,
  					options = elem.options,
  					values = jQuery.makeArray( value ),
  					i = options.length;
  
  				while ( i-- ) {
  					option = options[ i ];
  					if ( option.selected =
  						jQuery.inArray( jQuery.valHooks.option.get( option ), values ) > -1
  					) {
  						optionSet = true;
  					}
  				}
  
  				// Force browsers to behave consistently when non-matching value is set
  				if ( !optionSet ) {
  					elem.selectedIndex = -1;
  				}
  				return values;
  			}
  		}
  	}
  } );
  
  // Radios and checkboxes getter/setter
  jQuery.each( [ "radio", "checkbox" ], function() {
  	jQuery.valHooks[ this ] = {
  		set: function( elem, value ) {
  			if ( jQuery.isArray( value ) ) {
  				return ( elem.checked = jQuery.inArray( jQuery( elem ).val(), value ) > -1 );
  			}
  		}
  	};
  	if ( !support.checkOn ) {
  		jQuery.valHooks[ this ].get = function( elem ) {
  			return elem.getAttribute( "value" ) === null ? "on" : elem.value;
  		};
  	}
  } );
  
  
  
  
  // Return jQuery for attributes-only inclusion
  
  
  var rfocusMorph = /^(?:focusinfocus|focusoutblur)$/;
  
  jQuery.extend( jQuery.event, {
  
  	trigger: function( event, data, elem, onlyHandlers ) {
  
  		var i, cur, tmp, bubbleType, ontype, handle, special,
  			eventPath = [ elem || document ],
  			type = hasOwn.call( event, "type" ) ? event.type : event,
  			namespaces = hasOwn.call( event, "namespace" ) ? event.namespace.split( "." ) : [];
  
  		cur = tmp = elem = elem || document;
  
  		// Don't do events on text and comment nodes
  		if ( elem.nodeType === 3 || elem.nodeType === 8 ) {
  			return;
  		}
  
  		// focus/blur morphs to focusin/out; ensure we're not firing them right now
  		if ( rfocusMorph.test( type + jQuery.event.triggered ) ) {
  			return;
  		}
  
  		if ( type.indexOf( "." ) > -1 ) {
  
  			// Namespaced trigger; create a regexp to match event type in handle()
  			namespaces = type.split( "." );
  			type = namespaces.shift();
  			namespaces.sort();
  		}
  		ontype = type.indexOf( ":" ) < 0 && "on" + type;
  
  		// Caller can pass in a jQuery.Event object, Object, or just an event type string
  		event = event[ jQuery.expando ] ?
  			event :
  			new jQuery.Event( type, typeof event === "object" && event );
  
  		// Trigger bitmask: & 1 for native handlers; & 2 for jQuery (always true)
  		event.isTrigger = onlyHandlers ? 2 : 3;
  		event.namespace = namespaces.join( "." );
  		event.rnamespace = event.namespace ?
  			new RegExp( "(^|\\.)" + namespaces.join( "\\.(?:.*\\.|)" ) + "(\\.|$)" ) :
  			null;
  
  		// Clean up the event in case it is being reused
  		event.result = undefined;
  		if ( !event.target ) {
  			event.target = elem;
  		}
  
  		// Clone any incoming data and prepend the event, creating the handler arg list
  		data = data == null ?
  			[ event ] :
  			jQuery.makeArray( data, [ event ] );
  
  		// Allow special events to draw outside the lines
  		special = jQuery.event.special[ type ] || {};
  		if ( !onlyHandlers && special.trigger && special.trigger.apply( elem, data ) === false ) {
  			return;
  		}
  
  		// Determine event propagation path in advance, per W3C events spec (#9951)
  		// Bubble up to document, then to window; watch for a global ownerDocument var (#9724)
  		if ( !onlyHandlers && !special.noBubble && !jQuery.isWindow( elem ) ) {
  
  			bubbleType = special.delegateType || type;
  			if ( !rfocusMorph.test( bubbleType + type ) ) {
  				cur = cur.parentNode;
  			}
  			for ( ; cur; cur = cur.parentNode ) {
  				eventPath.push( cur );
  				tmp = cur;
  			}
  
  			// Only add window if we got to document (e.g., not plain obj or detached DOM)
  			if ( tmp === ( elem.ownerDocument || document ) ) {
  				eventPath.push( tmp.defaultView || tmp.parentWindow || window );
  			}
  		}
  
  		// Fire handlers on the event path
  		i = 0;
  		while ( ( cur = eventPath[ i++ ] ) && !event.isPropagationStopped() ) {
  
  			event.type = i > 1 ?
  				bubbleType :
  				special.bindType || type;
  
  			// jQuery handler
  			handle = ( dataPriv.get( cur, "events" ) || {} )[ event.type ] &&
  				dataPriv.get( cur, "handle" );
  			if ( handle ) {
  				handle.apply( cur, data );
  			}
  
  			// Native handler
  			handle = ontype && cur[ ontype ];
  			if ( handle && handle.apply && acceptData( cur ) ) {
  				event.result = handle.apply( cur, data );
  				if ( event.result === false ) {
  					event.preventDefault();
  				}
  			}
  		}
  		event.type = type;
  
  		// If nobody prevented the default action, do it now
  		if ( !onlyHandlers && !event.isDefaultPrevented() ) {
  
  			if ( ( !special._default ||
  				special._default.apply( eventPath.pop(), data ) === false ) &&
  				acceptData( elem ) ) {
  
  				// Call a native DOM method on the target with the same name as the event.
  				// Don't do default actions on window, that's where global variables be (#6170)
  				if ( ontype && jQuery.isFunction( elem[ type ] ) && !jQuery.isWindow( elem ) ) {
  
  					// Don't re-trigger an onFOO event when we call its FOO() method
  					tmp = elem[ ontype ];
  
  					if ( tmp ) {
  						elem[ ontype ] = null;
  					}
  
  					// Prevent re-triggering of the same event, since we already bubbled it above
  					jQuery.event.triggered = type;
  					elem[ type ]();
  					jQuery.event.triggered = undefined;
  
  					if ( tmp ) {
  						elem[ ontype ] = tmp;
  					}
  				}
  			}
  		}
  
  		return event.result;
  	},
  
  	// Piggyback on a donor event to simulate a different one
  	// Used only for `focus(in | out)` events
  	simulate: function( type, elem, event ) {
  		var e = jQuery.extend(
  			new jQuery.Event(),
  			event,
  			{
  				type: type,
  				isSimulated: true
  			}
  		);
  
  		jQuery.event.trigger( e, null, elem );
  	}
  
  } );
  
  jQuery.fn.extend( {
  
  	trigger: function( type, data ) {
  		return this.each( function() {
  			jQuery.event.trigger( type, data, this );
  		} );
  	},
  	triggerHandler: function( type, data ) {
  		var elem = this[ 0 ];
  		if ( elem ) {
  			return jQuery.event.trigger( type, data, elem, true );
  		}
  	}
  } );
  
  
  jQuery.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( i, name ) {
  
  	// Handle event binding
  	jQuery.fn[ name ] = function( data, fn ) {
  		return arguments.length > 0 ?
  			this.on( name, null, data, fn ) :
  			this.trigger( name );
  	};
  } );
  
  jQuery.fn.extend( {
  	hover: function( fnOver, fnOut ) {
  		return this.mouseenter( fnOver ).mouseleave( fnOut || fnOver );
  	}
  } );
  
  
  
  
  support.focusin = "onfocusin" in window;
  
  
  // Support: Firefox <=44
  // Firefox doesn't have focus(in | out) events
  // Related ticket - https://bugzilla.mozilla.org/show_bug.cgi?id=687787
  //
  // Support: Chrome <=48 - 49, Safari <=9.0 - 9.1
  // focus(in | out) events fire after focus & blur events,
  // which is spec violation - http://www.w3.org/TR/DOM-Level-3-Events/#events-focusevent-event-order
  // Related ticket - https://bugs.chromium.org/p/chromium/issues/detail?id=449857
  if ( !support.focusin ) {
  	jQuery.each( { focus: "focusin", blur: "focusout" }, function( orig, fix ) {
  
  		// Attach a single capturing handler on the document while someone wants focusin/focusout
  		var handler = function( event ) {
  			jQuery.event.simulate( fix, event.target, jQuery.event.fix( event ) );
  		};
  
  		jQuery.event.special[ fix ] = {
  			setup: function() {
  				var doc = this.ownerDocument || this,
  					attaches = dataPriv.access( doc, fix );
  
  				if ( !attaches ) {
  					doc.addEventListener( orig, handler, true );
  				}
  				dataPriv.access( doc, fix, ( attaches || 0 ) + 1 );
  			},
  			teardown: function() {
  				var doc = this.ownerDocument || this,
  					attaches = dataPriv.access( doc, fix ) - 1;
  
  				if ( !attaches ) {
  					doc.removeEventListener( orig, handler, true );
  					dataPriv.remove( doc, fix );
  
  				} else {
  					dataPriv.access( doc, fix, attaches );
  				}
  			}
  		};
  	} );
  }
  var location = window.location;
  
  var nonce = jQuery.now();
  
  var rquery = ( /\?/ );
  
  
  
  // Cross-browser xml parsing
  jQuery.parseXML = function( data ) {
  	var xml;
  	if ( !data || typeof data !== "string" ) {
  		return null;
  	}
  
  	// Support: IE 9 - 11 only
  	// IE throws on parseFromString with invalid input.
  	try {
  		xml = ( new window.DOMParser() ).parseFromString( data, "text/xml" );
  	} catch ( e ) {
  		xml = undefined;
  	}
  
  	if ( !xml || xml.getElementsByTagName( "parsererror" ).length ) {
  		jQuery.error( "Invalid XML: " + data );
  	}
  	return xml;
  };
  
  
  var
  	rbracket = /\[\]$/,
  	rCRLF = /\r?\n/g,
  	rsubmitterTypes = /^(?:submit|button|image|reset|file)$/i,
  	rsubmittable = /^(?:input|select|textarea|keygen)/i;
  
  function buildParams( prefix, obj, traditional, add ) {
  	var name;
  
  	if ( jQuery.isArray( obj ) ) {
  
  		// Serialize array item.
  		jQuery.each( obj, function( i, v ) {
  			if ( traditional || rbracket.test( prefix ) ) {
  
  				// Treat each array item as a scalar.
  				add( prefix, v );
  
  			} else {
  
  				// Item is non-scalar (array or object), encode its numeric index.
  				buildParams(
  					prefix + "[" + ( typeof v === "object" && v != null ? i : "" ) + "]",
  					v,
  					traditional,
  					add
  				);
  			}
  		} );
  
  	} else if ( !traditional && jQuery.type( obj ) === "object" ) {
  
  		// Serialize object item.
  		for ( name in obj ) {
  			buildParams( prefix + "[" + name + "]", obj[ name ], traditional, add );
  		}
  
  	} else {
  
  		// Serialize scalar item.
  		add( prefix, obj );
  	}
  }
  
  // Serialize an array of form elements or a set of
  // key/values into a query string
  jQuery.param = function( a, traditional ) {
  	var prefix,
  		s = [],
  		add = function( key, valueOrFunction ) {
  
  			// If value is a function, invoke it and use its return value
  			var value = jQuery.isFunction( valueOrFunction ) ?
  				valueOrFunction() :
  				valueOrFunction;
  
  			s[ s.length ] = encodeURIComponent( key ) + "=" +
  				encodeURIComponent( value == null ? "" : value );
  		};
  
  	// If an array was passed in, assume that it is an array of form elements.
  	if ( jQuery.isArray( a ) || ( a.jquery && !jQuery.isPlainObject( a ) ) ) {
  
  		// Serialize the form elements
  		jQuery.each( a, function() {
  			add( this.name, this.value );
  		} );
  
  	} else {
  
  		// If traditional, encode the "old" way (the way 1.3.2 or older
  		// did it), otherwise encode params recursively.
  		for ( prefix in a ) {
  			buildParams( prefix, a[ prefix ], traditional, add );
  		}
  	}
  
  	// Return the resulting serialization
  	return s.join( "&" );
  };
  
  jQuery.fn.extend( {
  	serialize: function() {
  		return jQuery.param( this.serializeArray() );
  	},
  	serializeArray: function() {
  		return this.map( function() {
  
  			// Can add propHook for "elements" to filter or add form elements
  			var elements = jQuery.prop( this, "elements" );
  			return elements ? jQuery.makeArray( elements ) : this;
  		} )
  		.filter( function() {
  			var type = this.type;
  
  			// Use .is( ":disabled" ) so that fieldset[disabled] works
  			return this.name && !jQuery( this ).is( ":disabled" ) &&
  				rsubmittable.test( this.nodeName ) && !rsubmitterTypes.test( type ) &&
  				( this.checked || !rcheckableType.test( type ) );
  		} )
  		.map( function( i, elem ) {
  			var val = jQuery( this ).val();
  
  			return val == null ?
  				null :
  				jQuery.isArray( val ) ?
  					jQuery.map( val, function( val ) {
  						return { name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
  					} ) :
  					{ name: elem.name, value: val.replace( rCRLF, "\r\n" ) };
  		} ).get();
  	}
  } );
  
  
  var
  	r20 = /%20/g,
  	rhash = /#.*$/,
  	rts = /([?&])_=[^&]*/,
  	rheaders = /^(.*?):[ \t]*([^\r\n]*)$/mg,
  
  	// #7653, #8125, #8152: local protocol detection
  	rlocalProtocol = /^(?:about|app|app-storage|.+-extension|file|res|widget):$/,
  	rnoContent = /^(?:GET|HEAD)$/,
  	rprotocol = /^\/\//,
  
  	/* Prefilters
  	 * 1) They are useful to introduce custom dataTypes (see ajax/jsonp.js for an example)
  	 * 2) These are called:
  	 *    - BEFORE asking for a transport
  	 *    - AFTER param serialization (s.data is a string if s.processData is true)
  	 * 3) key is the dataType
  	 * 4) the catchall symbol "*" can be used
  	 * 5) execution will start with transport dataType and THEN continue down to "*" if needed
  	 */
  	prefilters = {},
  
  	/* Transports bindings
  	 * 1) key is the dataType
  	 * 2) the catchall symbol "*" can be used
  	 * 3) selection will start with transport dataType and THEN go to "*" if needed
  	 */
  	transports = {},
  
  	// Avoid comment-prolog char sequence (#10098); must appease lint and evade compression
  	allTypes = "*/".concat( "*" ),
  
  	// Anchor tag for parsing the document origin
  	originAnchor = document.createElement( "a" );
  	originAnchor.href = location.href;
  
  // Base "constructor" for jQuery.ajaxPrefilter and jQuery.ajaxTransport
  function addToPrefiltersOrTransports( structure ) {
  
  	// dataTypeExpression is optional and defaults to "*"
  	return function( dataTypeExpression, func ) {
  
  		if ( typeof dataTypeExpression !== "string" ) {
  			func = dataTypeExpression;
  			dataTypeExpression = "*";
  		}
  
  		var dataType,
  			i = 0,
  			dataTypes = dataTypeExpression.toLowerCase().match( rnotwhite ) || [];
  
  		if ( jQuery.isFunction( func ) ) {
  
  			// For each dataType in the dataTypeExpression
  			while ( ( dataType = dataTypes[ i++ ] ) ) {
  
  				// Prepend if requested
  				if ( dataType[ 0 ] === "+" ) {
  					dataType = dataType.slice( 1 ) || "*";
  					( structure[ dataType ] = structure[ dataType ] || [] ).unshift( func );
  
  				// Otherwise append
  				} else {
  					( structure[ dataType ] = structure[ dataType ] || [] ).push( func );
  				}
  			}
  		}
  	};
  }
  
  // Base inspection function for prefilters and transports
  function inspectPrefiltersOrTransports( structure, options, originalOptions, jqXHR ) {
  
  	var inspected = {},
  		seekingTransport = ( structure === transports );
  
  	function inspect( dataType ) {
  		var selected;
  		inspected[ dataType ] = true;
  		jQuery.each( structure[ dataType ] || [], function( _, prefilterOrFactory ) {
  			var dataTypeOrTransport = prefilterOrFactory( options, originalOptions, jqXHR );
  			if ( typeof dataTypeOrTransport === "string" &&
  				!seekingTransport && !inspected[ dataTypeOrTransport ] ) {
  
  				options.dataTypes.unshift( dataTypeOrTransport );
  				inspect( dataTypeOrTransport );
  				return false;
  			} else if ( seekingTransport ) {
  				return !( selected = dataTypeOrTransport );
  			}
  		} );
  		return selected;
  	}
  
  	return inspect( options.dataTypes[ 0 ] ) || !inspected[ "*" ] && inspect( "*" );
  }
  
  // A special extend for ajax options
  // that takes "flat" options (not to be deep extended)
  // Fixes #9887
  function ajaxExtend( target, src ) {
  	var key, deep,
  		flatOptions = jQuery.ajaxSettings.flatOptions || {};
  
  	for ( key in src ) {
  		if ( src[ key ] !== undefined ) {
  			( flatOptions[ key ] ? target : ( deep || ( deep = {} ) ) )[ key ] = src[ key ];
  		}
  	}
  	if ( deep ) {
  		jQuery.extend( true, target, deep );
  	}
  
  	return target;
  }
  
  /* Handles responses to an ajax request:
   * - finds the right dataType (mediates between content-type and expected dataType)
   * - returns the corresponding response
   */
  function ajaxHandleResponses( s, jqXHR, responses ) {
  
  	var ct, type, finalDataType, firstDataType,
  		contents = s.contents,
  		dataTypes = s.dataTypes;
  
  	// Remove auto dataType and get content-type in the process
  	while ( dataTypes[ 0 ] === "*" ) {
  		dataTypes.shift();
  		if ( ct === undefined ) {
  			ct = s.mimeType || jqXHR.getResponseHeader( "Content-Type" );
  		}
  	}
  
  	// Check if we're dealing with a known content-type
  	if ( ct ) {
  		for ( type in contents ) {
  			if ( contents[ type ] && contents[ type ].test( ct ) ) {
  				dataTypes.unshift( type );
  				break;
  			}
  		}
  	}
  
  	// Check to see if we have a response for the expected dataType
  	if ( dataTypes[ 0 ] in responses ) {
  		finalDataType = dataTypes[ 0 ];
  	} else {
  
  		// Try convertible dataTypes
  		for ( type in responses ) {
  			if ( !dataTypes[ 0 ] || s.converters[ type + " " + dataTypes[ 0 ] ] ) {
  				finalDataType = type;
  				break;
  			}
  			if ( !firstDataType ) {
  				firstDataType = type;
  			}
  		}
  
  		// Or just use first one
  		finalDataType = finalDataType || firstDataType;
  	}
  
  	// If we found a dataType
  	// We add the dataType to the list if needed
  	// and return the corresponding response
  	if ( finalDataType ) {
  		if ( finalDataType !== dataTypes[ 0 ] ) {
  			dataTypes.unshift( finalDataType );
  		}
  		return responses[ finalDataType ];
  	}
  }
  
  /* Chain conversions given the request and the original response
   * Also sets the responseXXX fields on the jqXHR instance
   */
  function ajaxConvert( s, response, jqXHR, isSuccess ) {
  	var conv2, current, conv, tmp, prev,
  		converters = {},
  
  		// Work with a copy of dataTypes in case we need to modify it for conversion
  		dataTypes = s.dataTypes.slice();
  
  	// Create converters map with lowercased keys
  	if ( dataTypes[ 1 ] ) {
  		for ( conv in s.converters ) {
  			converters[ conv.toLowerCase() ] = s.converters[ conv ];
  		}
  	}
  
  	current = dataTypes.shift();
  
  	// Convert to each sequential dataType
  	while ( current ) {
  
  		if ( s.responseFields[ current ] ) {
  			jqXHR[ s.responseFields[ current ] ] = response;
  		}
  
  		// Apply the dataFilter if provided
  		if ( !prev && isSuccess && s.dataFilter ) {
  			response = s.dataFilter( response, s.dataType );
  		}
  
  		prev = current;
  		current = dataTypes.shift();
  
  		if ( current ) {
  
  			// There's only work to do if current dataType is non-auto
  			if ( current === "*" ) {
  
  				current = prev;
  
  			// Convert response if prev dataType is non-auto and differs from current
  			} else if ( prev !== "*" && prev !== current ) {
  
  				// Seek a direct converter
  				conv = converters[ prev + " " + current ] || converters[ "* " + current ];
  
  				// If none found, seek a pair
  				if ( !conv ) {
  					for ( conv2 in converters ) {
  
  						// If conv2 outputs current
  						tmp = conv2.split( " " );
  						if ( tmp[ 1 ] === current ) {
  
  							// If prev can be converted to accepted input
  							conv = converters[ prev + " " + tmp[ 0 ] ] ||
  								converters[ "* " + tmp[ 0 ] ];
  							if ( conv ) {
  
  								// Condense equivalence converters
  								if ( conv === true ) {
  									conv = converters[ conv2 ];
  
  								// Otherwise, insert the intermediate dataType
  								} else if ( converters[ conv2 ] !== true ) {
  									current = tmp[ 0 ];
  									dataTypes.unshift( tmp[ 1 ] );
  								}
  								break;
  							}
  						}
  					}
  				}
  
  				// Apply converter (if not an equivalence)
  				if ( conv !== true ) {
  
  					// Unless errors are allowed to bubble, catch and return them
  					if ( conv && s.throws ) {
  						response = conv( response );
  					} else {
  						try {
  							response = conv( response );
  						} catch ( e ) {
  							return {
  								state: "parsererror",
  								error: conv ? e : "No conversion from " + prev + " to " + current
  							};
  						}
  					}
  				}
  			}
  		}
  	}
  
  	return { state: "success", data: response };
  }
  
  jQuery.extend( {
  
  	// Counter for holding the number of active queries
  	active: 0,
  
  	// Last-Modified header cache for next request
  	lastModified: {},
  	etag: {},
  
  	ajaxSettings: {
  		url: location.href,
  		type: "GET",
  		isLocal: rlocalProtocol.test( location.protocol ),
  		global: true,
  		processData: true,
  		async: true,
  		contentType: "application/x-www-form-urlencoded; charset=UTF-8",
  		/*
  		timeout: 0,
  		data: null,
  		dataType: null,
  		username: null,
  		password: null,
  		cache: null,
  		throws: false,
  		traditional: false,
  		headers: {},
  		*/
  
  		accepts: {
  			"*": allTypes,
  			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"
  		},
  
  		// Data converters
  		// Keys separate source (or catchall "*") and destination types with a single space
  		converters: {
  
  			// Convert anything to text
  			"* text": String,
  
  			// Text to html (true = no transformation)
  			"text html": true,
  
  			// Evaluate text as a json expression
  			"text json": JSON.parse,
  
  			// Parse text as xml
  			"text xml": jQuery.parseXML
  		},
  
  		// For options that shouldn't be deep extended:
  		// you can add your own custom options here if
  		// and when you create one that shouldn't be
  		// deep extended (see ajaxExtend)
  		flatOptions: {
  			url: true,
  			context: true
  		}
  	},
  
  	// Creates a full fledged settings object into target
  	// with both ajaxSettings and settings fields.
  	// If target is omitted, writes into ajaxSettings.
  	ajaxSetup: function( target, settings ) {
  		return settings ?
  
  			// Building a settings object
  			ajaxExtend( ajaxExtend( target, jQuery.ajaxSettings ), settings ) :
  
  			// Extending ajaxSettings
  			ajaxExtend( jQuery.ajaxSettings, target );
  	},
  
  	ajaxPrefilter: addToPrefiltersOrTransports( prefilters ),
  	ajaxTransport: addToPrefiltersOrTransports( transports ),
  
  	// Main method
  	ajax: function( url, options ) {
  
  		// If url is an object, simulate pre-1.5 signature
  		if ( typeof url === "object" ) {
  			options = url;
  			url = undefined;
  		}
  
  		// Force options to be an object
  		options = options || {};
  
  		var transport,
  
  			// URL without anti-cache param
  			cacheURL,
  
  			// Response headers
  			responseHeadersString,
  			responseHeaders,
  
  			// timeout handle
  			timeoutTimer,
  
  			// Url cleanup var
  			urlAnchor,
  
  			// Request state (becomes false upon send and true upon completion)
  			completed,
  
  			// To know if global events are to be dispatched
  			fireGlobals,
  
  			// Loop variable
  			i,
  
  			// uncached part of the url
  			uncached,
  
  			// Create the final options object
  			s = jQuery.ajaxSetup( {}, options ),
  
  			// Callbacks context
  			callbackContext = s.context || s,
  
  			// Context for global events is callbackContext if it is a DOM node or jQuery collection
  			globalEventContext = s.context &&
  				( callbackContext.nodeType || callbackContext.jquery ) ?
  					jQuery( callbackContext ) :
  					jQuery.event,
  
  			// Deferreds
  			deferred = jQuery.Deferred(),
  			completeDeferred = jQuery.Callbacks( "once memory" ),
  
  			// Status-dependent callbacks
  			statusCode = s.statusCode || {},
  
  			// Headers (they are sent all at once)
  			requestHeaders = {},
  			requestHeadersNames = {},
  
  			// Default abort message
  			strAbort = "canceled",
  
  			// Fake xhr
  			jqXHR = {
  				readyState: 0,
  
  				// Builds headers hashtable if needed
  				getResponseHeader: function( key ) {
  					var match;
  					if ( completed ) {
  						if ( !responseHeaders ) {
  							responseHeaders = {};
  							while ( ( match = rheaders.exec( responseHeadersString ) ) ) {
  								responseHeaders[ match[ 1 ].toLowerCase() ] = match[ 2 ];
  							}
  						}
  						match = responseHeaders[ key.toLowerCase() ];
  					}
  					return match == null ? null : match;
  				},
  
  				// Raw string
  				getAllResponseHeaders: function() {
  					return completed ? responseHeadersString : null;
  				},
  
  				// Caches the header
  				setRequestHeader: function( name, value ) {
  					if ( completed == null ) {
  						name = requestHeadersNames[ name.toLowerCase() ] =
  							requestHeadersNames[ name.toLowerCase() ] || name;
  						requestHeaders[ name ] = value;
  					}
  					return this;
  				},
  
  				// Overrides response content-type header
  				overrideMimeType: function( type ) {
  					if ( completed == null ) {
  						s.mimeType = type;
  					}
  					return this;
  				},
  
  				// Status-dependent callbacks
  				statusCode: function( map ) {
  					var code;
  					if ( map ) {
  						if ( completed ) {
  
  							// Execute the appropriate callbacks
  							jqXHR.always( map[ jqXHR.status ] );
  						} else {
  
  							// Lazy-add the new callbacks in a way that preserves old ones
  							for ( code in map ) {
  								statusCode[ code ] = [ statusCode[ code ], map[ code ] ];
  							}
  						}
  					}
  					return this;
  				},
  
  				// Cancel the request
  				abort: function( statusText ) {
  					var finalText = statusText || strAbort;
  					if ( transport ) {
  						transport.abort( finalText );
  					}
  					done( 0, finalText );
  					return this;
  				}
  			};
  
  		// Attach deferreds
  		deferred.promise( jqXHR );
  
  		// Add protocol if not provided (prefilters might expect it)
  		// Handle falsy url in the settings object (#10093: consistency with old signature)
  		// We also use the url parameter if available
  		s.url = ( ( url || s.url || location.href ) + "" )
  			.replace( rprotocol, location.protocol + "//" );
  
  		// Alias method option to type as per ticket #12004
  		s.type = options.method || options.type || s.method || s.type;
  
  		// Extract dataTypes list
  		s.dataTypes = ( s.dataType || "*" ).toLowerCase().match( rnotwhite ) || [ "" ];
  
  		// A cross-domain request is in order when the origin doesn't match the current origin.
  		if ( s.crossDomain == null ) {
  			urlAnchor = document.createElement( "a" );
  
  			// Support: IE <=8 - 11, Edge 12 - 13
  			// IE throws exception on accessing the href property if url is malformed,
  			// e.g. http://example.com:80x/
  			try {
  				urlAnchor.href = s.url;
  
  				// Support: IE <=8 - 11 only
  				// Anchor's host property isn't correctly set when s.url is relative
  				urlAnchor.href = urlAnchor.href;
  				s.crossDomain = originAnchor.protocol + "//" + originAnchor.host !==
  					urlAnchor.protocol + "//" + urlAnchor.host;
  			} catch ( e ) {
  
  				// If there is an error parsing the URL, assume it is crossDomain,
  				// it can be rejected by the transport if it is invalid
  				s.crossDomain = true;
  			}
  		}
  
  		// Convert data if not already a string
  		if ( s.data && s.processData && typeof s.data !== "string" ) {
  			s.data = jQuery.param( s.data, s.traditional );
  		}
  
  		// Apply prefilters
  		inspectPrefiltersOrTransports( prefilters, s, options, jqXHR );
  
  		// If request was aborted inside a prefilter, stop there
  		if ( completed ) {
  			return jqXHR;
  		}
  
  		// We can fire global events as of now if asked to
  		// Don't fire events if jQuery.event is undefined in an AMD-usage scenario (#15118)
  		fireGlobals = jQuery.event && s.global;
  
  		// Watch for a new set of requests
  		if ( fireGlobals && jQuery.active++ === 0 ) {
  			jQuery.event.trigger( "ajaxStart" );
  		}
  
  		// Uppercase the type
  		s.type = s.type.toUpperCase();
  
  		// Determine if request has content
  		s.hasContent = !rnoContent.test( s.type );
  
  		// Save the URL in case we're toying with the If-Modified-Since
  		// and/or If-None-Match header later on
  		// Remove hash to simplify url manipulation
  		cacheURL = s.url.replace( rhash, "" );
  
  		// More options handling for requests with no content
  		if ( !s.hasContent ) {
  
  			// Remember the hash so we can put it back
  			uncached = s.url.slice( cacheURL.length );
  
  			// If data is available, append data to url
  			if ( s.data ) {
  				cacheURL += ( rquery.test( cacheURL ) ? "&" : "?" ) + s.data;
  
  				// #9682: remove data so that it's not used in an eventual retry
  				delete s.data;
  			}
  
  			// Add anti-cache in uncached url if needed
  			if ( s.cache === false ) {
  				cacheURL = cacheURL.replace( rts, "" );
  				uncached = ( rquery.test( cacheURL ) ? "&" : "?" ) + "_=" + ( nonce++ ) + uncached;
  			}
  
  			// Put hash and anti-cache on the URL that will be requested (gh-1732)
  			s.url = cacheURL + uncached;
  
  		// Change '%20' to '+' if this is encoded form body content (gh-2658)
  		} else if ( s.data && s.processData &&
  			( s.contentType || "" ).indexOf( "application/x-www-form-urlencoded" ) === 0 ) {
  			s.data = s.data.replace( r20, "+" );
  		}
  
  		// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
  		if ( s.ifModified ) {
  			if ( jQuery.lastModified[ cacheURL ] ) {
  				jqXHR.setRequestHeader( "If-Modified-Since", jQuery.lastModified[ cacheURL ] );
  			}
  			if ( jQuery.etag[ cacheURL ] ) {
  				jqXHR.setRequestHeader( "If-None-Match", jQuery.etag[ cacheURL ] );
  			}
  		}
  
  		// Set the correct header, if data is being sent
  		if ( s.data && s.hasContent && s.contentType !== false || options.contentType ) {
  			jqXHR.setRequestHeader( "Content-Type", s.contentType );
  		}
  
  		// Set the Accepts header for the server, depending on the dataType
  		jqXHR.setRequestHeader(
  			"Accept",
  			s.dataTypes[ 0 ] && s.accepts[ s.dataTypes[ 0 ] ] ?
  				s.accepts[ s.dataTypes[ 0 ] ] +
  					( s.dataTypes[ 0 ] !== "*" ? ", " + allTypes + "; q=0.01" : "" ) :
  				s.accepts[ "*" ]
  		);
  
  		// Check for headers option
  		for ( i in s.headers ) {
  			jqXHR.setRequestHeader( i, s.headers[ i ] );
  		}
  
  		// Allow custom headers/mimetypes and early abort
  		if ( s.beforeSend &&
  			( s.beforeSend.call( callbackContext, jqXHR, s ) === false || completed ) ) {
  
  			// Abort if not done already and return
  			return jqXHR.abort();
  		}
  
  		// Aborting is no longer a cancellation
  		strAbort = "abort";
  
  		// Install callbacks on deferreds
  		completeDeferred.add( s.complete );
  		jqXHR.done( s.success );
  		jqXHR.fail( s.error );
  
  		// Get transport
  		transport = inspectPrefiltersOrTransports( transports, s, options, jqXHR );
  
  		// If no transport, we auto-abort
  		if ( !transport ) {
  			done( -1, "No Transport" );
  		} else {
  			jqXHR.readyState = 1;
  
  			// Send global event
  			if ( fireGlobals ) {
  				globalEventContext.trigger( "ajaxSend", [ jqXHR, s ] );
  			}
  
  			// If request was aborted inside ajaxSend, stop there
  			if ( completed ) {
  				return jqXHR;
  			}
  
  			// Timeout
  			if ( s.async && s.timeout > 0 ) {
  				timeoutTimer = window.setTimeout( function() {
  					jqXHR.abort( "timeout" );
  				}, s.timeout );
  			}
  
  			try {
  				completed = false;
  				transport.send( requestHeaders, done );
  			} catch ( e ) {
  
  				// Rethrow post-completion exceptions
  				if ( completed ) {
  					throw e;
  				}
  
  				// Propagate others as results
  				done( -1, e );
  			}
  		}
  
  		// Callback for when everything is done
  		function done( status, nativeStatusText, responses, headers ) {
  			var isSuccess, success, error, response, modified,
  				statusText = nativeStatusText;
  
  			// Ignore repeat invocations
  			if ( completed ) {
  				return;
  			}
  
  			completed = true;
  
  			// Clear timeout if it exists
  			if ( timeoutTimer ) {
  				window.clearTimeout( timeoutTimer );
  			}
  
  			// Dereference transport for early garbage collection
  			// (no matter how long the jqXHR object will be used)
  			transport = undefined;
  
  			// Cache response headers
  			responseHeadersString = headers || "";
  
  			// Set readyState
  			jqXHR.readyState = status > 0 ? 4 : 0;
  
  			// Determine if successful
  			isSuccess = status >= 200 && status < 300 || status === 304;
  
  			// Get response data
  			if ( responses ) {
  				response = ajaxHandleResponses( s, jqXHR, responses );
  			}
  
  			// Convert no matter what (that way responseXXX fields are always set)
  			response = ajaxConvert( s, response, jqXHR, isSuccess );
  
  			// If successful, handle type chaining
  			if ( isSuccess ) {
  
  				// Set the If-Modified-Since and/or If-None-Match header, if in ifModified mode.
  				if ( s.ifModified ) {
  					modified = jqXHR.getResponseHeader( "Last-Modified" );
  					if ( modified ) {
  						jQuery.lastModified[ cacheURL ] = modified;
  					}
  					modified = jqXHR.getResponseHeader( "etag" );
  					if ( modified ) {
  						jQuery.etag[ cacheURL ] = modified;
  					}
  				}
  
  				// if no content
  				if ( status === 204 || s.type === "HEAD" ) {
  					statusText = "nocontent";
  
  				// if not modified
  				} else if ( status === 304 ) {
  					statusText = "notmodified";
  
  				// If we have data, let's convert it
  				} else {
  					statusText = response.state;
  					success = response.data;
  					error = response.error;
  					isSuccess = !error;
  				}
  			} else {
  
  				// Extract error from statusText and normalize for non-aborts
  				error = statusText;
  				if ( status || !statusText ) {
  					statusText = "error";
  					if ( status < 0 ) {
  						status = 0;
  					}
  				}
  			}
  
  			// Set data for the fake xhr object
  			jqXHR.status = status;
  			jqXHR.statusText = ( nativeStatusText || statusText ) + "";
  
  			// Success/Error
  			if ( isSuccess ) {
  				deferred.resolveWith( callbackContext, [ success, statusText, jqXHR ] );
  			} else {
  				deferred.rejectWith( callbackContext, [ jqXHR, statusText, error ] );
  			}
  
  			// Status-dependent callbacks
  			jqXHR.statusCode( statusCode );
  			statusCode = undefined;
  
  			if ( fireGlobals ) {
  				globalEventContext.trigger( isSuccess ? "ajaxSuccess" : "ajaxError",
  					[ jqXHR, s, isSuccess ? success : error ] );
  			}
  
  			// Complete
  			completeDeferred.fireWith( callbackContext, [ jqXHR, statusText ] );
  
  			if ( fireGlobals ) {
  				globalEventContext.trigger( "ajaxComplete", [ jqXHR, s ] );
  
  				// Handle the global AJAX counter
  				if ( !( --jQuery.active ) ) {
  					jQuery.event.trigger( "ajaxStop" );
  				}
  			}
  		}
  
  		return jqXHR;
  	},
  
  	getJSON: function( url, data, callback ) {
  		return jQuery.get( url, data, callback, "json" );
  	},
  
  	getScript: function( url, callback ) {
  		return jQuery.get( url, undefined, callback, "script" );
  	}
  } );
  
  jQuery.each( [ "get", "post" ], function( i, method ) {
  	jQuery[ method ] = function( url, data, callback, type ) {
  
  		// Shift arguments if data argument was omitted
  		if ( jQuery.isFunction( data ) ) {
  			type = type || callback;
  			callback = data;
  			data = undefined;
  		}
  
  		// The url can be an options object (which then must have .url)
  		return jQuery.ajax( jQuery.extend( {
  			url: url,
  			type: method,
  			dataType: type,
  			data: data,
  			success: callback
  		}, jQuery.isPlainObject( url ) && url ) );
  	};
  } );
  
  
  jQuery._evalUrl = function( url ) {
  	return jQuery.ajax( {
  		url: url,
  
  		// Make this explicit, since user can override this through ajaxSetup (#11264)
  		type: "GET",
  		dataType: "script",
  		cache: true,
  		async: false,
  		global: false,
  		"throws": true
  	} );
  };
  
  
  jQuery.fn.extend( {
  	wrapAll: function( html ) {
  		var wrap;
  
  		if ( this[ 0 ] ) {
  			if ( jQuery.isFunction( html ) ) {
  				html = html.call( this[ 0 ] );
  			}
  
  			// The elements to wrap the target around
  			wrap = jQuery( html, this[ 0 ].ownerDocument ).eq( 0 ).clone( true );
  
  			if ( this[ 0 ].parentNode ) {
  				wrap.insertBefore( this[ 0 ] );
  			}
  
  			wrap.map( function() {
  				var elem = this;
  
  				while ( elem.firstElementChild ) {
  					elem = elem.firstElementChild;
  				}
  
  				return elem;
  			} ).append( this );
  		}
  
  		return this;
  	},
  
  	wrapInner: function( html ) {
  		if ( jQuery.isFunction( html ) ) {
  			return this.each( function( i ) {
  				jQuery( this ).wrapInner( html.call( this, i ) );
  			} );
  		}
  
  		return this.each( function() {
  			var self = jQuery( this ),
  				contents = self.contents();
  
  			if ( contents.length ) {
  				contents.wrapAll( html );
  
  			} else {
  				self.append( html );
  			}
  		} );
  	},
  
  	wrap: function( html ) {
  		var isFunction = jQuery.isFunction( html );
  
  		return this.each( function( i ) {
  			jQuery( this ).wrapAll( isFunction ? html.call( this, i ) : html );
  		} );
  	},
  
  	unwrap: function( selector ) {
  		this.parent( selector ).not( "body" ).each( function() {
  			jQuery( this ).replaceWith( this.childNodes );
  		} );
  		return this;
  	}
  } );
  
  
  jQuery.expr.pseudos.hidden = function( elem ) {
  	return !jQuery.expr.pseudos.visible( elem );
  };
  jQuery.expr.pseudos.visible = function( elem ) {
  	return !!( elem.offsetWidth || elem.offsetHeight || elem.getClientRects().length );
  };
  
  
  
  
  jQuery.ajaxSettings.xhr = function() {
  	try {
  		return new window.XMLHttpRequest();
  	} catch ( e ) {}
  };
  
  var xhrSuccessStatus = {
  
  		// File protocol always yields status code 0, assume 200
  		0: 200,
  
  		// Support: IE <=9 only
  		// #1450: sometimes IE returns 1223 when it should be 204
  		1223: 204
  	},
  	xhrSupported = jQuery.ajaxSettings.xhr();
  
  support.cors = !!xhrSupported && ( "withCredentials" in xhrSupported );
  support.ajax = xhrSupported = !!xhrSupported;
  
  jQuery.ajaxTransport( function( options ) {
  	var callback, errorCallback;
  
  	// Cross domain only allowed if supported through XMLHttpRequest
  	if ( support.cors || xhrSupported && !options.crossDomain ) {
  		return {
  			send: function( headers, complete ) {
  				var i,
  					xhr = options.xhr();
  
  				xhr.open(
  					options.type,
  					options.url,
  					options.async,
  					options.username,
  					options.password
  				);
  
  				// Apply custom fields if provided
  				if ( options.xhrFields ) {
  					for ( i in options.xhrFields ) {
  						xhr[ i ] = options.xhrFields[ i ];
  					}
  				}
  
  				// Override mime type if needed
  				if ( options.mimeType && xhr.overrideMimeType ) {
  					xhr.overrideMimeType( options.mimeType );
  				}
  
  				// X-Requested-With header
  				// For cross-domain requests, seeing as conditions for a preflight are
  				// akin to a jigsaw puzzle, we simply never set it to be sure.
  				// (it can always be set on a per-request basis or even using ajaxSetup)
  				// For same-domain requests, won't change header if already provided.
  				if ( !options.crossDomain && !headers[ "X-Requested-With" ] ) {
  					headers[ "X-Requested-With" ] = "XMLHttpRequest";
  				}
  
  				// Set headers
  				for ( i in headers ) {
  					xhr.setRequestHeader( i, headers[ i ] );
  				}
  
  				// Callback
  				callback = function( type ) {
  					return function() {
  						if ( callback ) {
  							callback = errorCallback = xhr.onload =
  								xhr.onerror = xhr.onabort = xhr.onreadystatechange = null;
  
  							if ( type === "abort" ) {
  								xhr.abort();
  							} else if ( type === "error" ) {
  
  								// Support: IE <=9 only
  								// On a manual native abort, IE9 throws
  								// errors on any property access that is not readyState
  								if ( typeof xhr.status !== "number" ) {
  									complete( 0, "error" );
  								} else {
  									complete(
  
  										// File: protocol always yields status 0; see #8605, #14207
  										xhr.status,
  										xhr.statusText
  									);
  								}
  							} else {
  								complete(
  									xhrSuccessStatus[ xhr.status ] || xhr.status,
  									xhr.statusText,
  
  									// Support: IE <=9 only
  									// IE9 has no XHR2 but throws on binary (trac-11426)
  									// For XHR2 non-text, let the caller handle it (gh-2498)
  									( xhr.responseType || "text" ) !== "text"  ||
  									typeof xhr.responseText !== "string" ?
  										{ binary: xhr.response } :
  										{ text: xhr.responseText },
  									xhr.getAllResponseHeaders()
  								);
  							}
  						}
  					};
  				};
  
  				// Listen to events
  				xhr.onload = callback();
  				errorCallback = xhr.onerror = callback( "error" );
  
  				// Support: IE 9 only
  				// Use onreadystatechange to replace onabort
  				// to handle uncaught aborts
  				if ( xhr.onabort !== undefined ) {
  					xhr.onabort = errorCallback;
  				} else {
  					xhr.onreadystatechange = function() {
  
  						// Check readyState before timeout as it changes
  						if ( xhr.readyState === 4 ) {
  
  							// Allow onerror to be called first,
  							// but that will not handle a native abort
  							// Also, save errorCallback to a variable
  							// as xhr.onerror cannot be accessed
  							window.setTimeout( function() {
  								if ( callback ) {
  									errorCallback();
  								}
  							} );
  						}
  					};
  				}
  
  				// Create the abort callback
  				callback = callback( "abort" );
  
  				try {
  
  					// Do send the request (this may raise an exception)
  					xhr.send( options.hasContent && options.data || null );
  				} catch ( e ) {
  
  					// #14683: Only rethrow if this hasn't been notified as an error yet
  					if ( callback ) {
  						throw e;
  					}
  				}
  			},
  
  			abort: function() {
  				if ( callback ) {
  					callback();
  				}
  			}
  		};
  	}
  } );
  
  
  
  
  // Prevent auto-execution of scripts when no explicit dataType was provided (See gh-2432)
  jQuery.ajaxPrefilter( function( s ) {
  	if ( s.crossDomain ) {
  		s.contents.script = false;
  	}
  } );
  
  // Install script dataType
  jQuery.ajaxSetup( {
  	accepts: {
  		script: "text/javascript, application/javascript, " +
  			"application/ecmascript, application/x-ecmascript"
  	},
  	contents: {
  		script: /\b(?:java|ecma)script\b/
  	},
  	converters: {
  		"text script": function( text ) {
  			jQuery.globalEval( text );
  			return text;
  		}
  	}
  } );
  
  // Handle cache's special case and crossDomain
  jQuery.ajaxPrefilter( "script", function( s ) {
  	if ( s.cache === undefined ) {
  		s.cache = false;
  	}
  	if ( s.crossDomain ) {
  		s.type = "GET";
  	}
  } );
  
  // Bind script tag hack transport
  jQuery.ajaxTransport( "script", function( s ) {
  
  	// This transport only deals with cross domain requests
  	if ( s.crossDomain ) {
  		var script, callback;
  		return {
  			send: function( _, complete ) {
  				script = jQuery( "<script>" ).prop( {
  					charset: s.scriptCharset,
  					src: s.url
  				} ).on(
  					"load error",
  					callback = function( evt ) {
  						script.remove();
  						callback = null;
  						if ( evt ) {
  							complete( evt.type === "error" ? 404 : 200, evt.type );
  						}
  					}
  				);
  
  				// Use native DOM manipulation to avoid our domManip AJAX trickery
  				document.head.appendChild( script[ 0 ] );
  			},
  			abort: function() {
  				if ( callback ) {
  					callback();
  				}
  			}
  		};
  	}
  } );
  
  
  
  
  var oldCallbacks = [],
  	rjsonp = /(=)\?(?=&|$)|\?\?/;
  
  // Default jsonp settings
  jQuery.ajaxSetup( {
  	jsonp: "callback",
  	jsonpCallback: function() {
  		var callback = oldCallbacks.pop() || ( jQuery.expando + "_" + ( nonce++ ) );
  		this[ callback ] = true;
  		return callback;
  	}
  } );
  
  // Detect, normalize options and install callbacks for jsonp requests
  jQuery.ajaxPrefilter( "json jsonp", function( s, originalSettings, jqXHR ) {
  
  	var callbackName, overwritten, responseContainer,
  		jsonProp = s.jsonp !== false && ( rjsonp.test( s.url ) ?
  			"url" :
  			typeof s.data === "string" &&
  				( s.contentType || "" )
  					.indexOf( "application/x-www-form-urlencoded" ) === 0 &&
  				rjsonp.test( s.data ) && "data"
  		);
  
  	// Handle iff the expected data type is "jsonp" or we have a parameter to set
  	if ( jsonProp || s.dataTypes[ 0 ] === "jsonp" ) {
  
  		// Get callback name, remembering preexisting value associated with it
  		callbackName = s.jsonpCallback = jQuery.isFunction( s.jsonpCallback ) ?
  			s.jsonpCallback() :
  			s.jsonpCallback;
  
  		// Insert callback into url or form data
  		if ( jsonProp ) {
  			s[ jsonProp ] = s[ jsonProp ].replace( rjsonp, "$1" + callbackName );
  		} else if ( s.jsonp !== false ) {
  			s.url += ( rquery.test( s.url ) ? "&" : "?" ) + s.jsonp + "=" + callbackName;
  		}
  
  		// Use data converter to retrieve json after script execution
  		s.converters[ "script json" ] = function() {
  			if ( !responseContainer ) {
  				jQuery.error( callbackName + " was not called" );
  			}
  			return responseContainer[ 0 ];
  		};
  
  		// Force json dataType
  		s.dataTypes[ 0 ] = "json";
  
  		// Install callback
  		overwritten = window[ callbackName ];
  		window[ callbackName ] = function() {
  			responseContainer = arguments;
  		};
  
  		// Clean-up function (fires after converters)
  		jqXHR.always( function() {
  
  			// If previous value didn't exist - remove it
  			if ( overwritten === undefined ) {
  				jQuery( window ).removeProp( callbackName );
  
  			// Otherwise restore preexisting value
  			} else {
  				window[ callbackName ] = overwritten;
  			}
  
  			// Save back as free
  			if ( s[ callbackName ] ) {
  
  				// Make sure that re-using the options doesn't screw things around
  				s.jsonpCallback = originalSettings.jsonpCallback;
  
  				// Save the callback name for future use
  				oldCallbacks.push( callbackName );
  			}
  
  			// Call if it was a function and we have a response
  			if ( responseContainer && jQuery.isFunction( overwritten ) ) {
  				overwritten( responseContainer[ 0 ] );
  			}
  
  			responseContainer = overwritten = undefined;
  		} );
  
  		// Delegate to script
  		return "script";
  	}
  } );
  
  
  
  
  // Support: Safari 8 only
  // In Safari 8 documents created via document.implementation.createHTMLDocument
  // collapse sibling forms: the second one becomes a child of the first one.
  // Because of that, this security measure has to be disabled in Safari 8.
  // https://bugs.webkit.org/show_bug.cgi?id=137337
  support.createHTMLDocument = ( function() {
  	var body = document.implementation.createHTMLDocument( "" ).body;
  	body.innerHTML = "<form></form><form></form>";
  	return body.childNodes.length === 2;
  } )();
  
  
  // Argument "data" should be string of html
  // context (optional): If specified, the fragment will be created in this context,
  // defaults to document
  // keepScripts (optional): If true, will include scripts passed in the html string
  jQuery.parseHTML = function( data, context, keepScripts ) {
  	if ( typeof data !== "string" ) {
  		return [];
  	}
  	if ( typeof context === "boolean" ) {
  		keepScripts = context;
  		context = false;
  	}
  
  	var base, parsed, scripts;
  
  	if ( !context ) {
  
  		// Stop scripts or inline event handlers from being executed immediately
  		// by using document.implementation
  		if ( support.createHTMLDocument ) {
  			context = document.implementation.createHTMLDocument( "" );
  
  			// Set the base href for the created document
  			// so any parsed elements with URLs
  			// are based on the document's URL (gh-2965)
  			base = context.createElement( "base" );
  			base.href = document.location.href;
  			context.head.appendChild( base );
  		} else {
  			context = document;
  		}
  	}
  
  	parsed = rsingleTag.exec( data );
  	scripts = !keepScripts && [];
  
  	// Single tag
  	if ( parsed ) {
  		return [ context.createElement( parsed[ 1 ] ) ];
  	}
  
  	parsed = buildFragment( [ data ], context, scripts );
  
  	if ( scripts && scripts.length ) {
  		jQuery( scripts ).remove();
  	}
  
  	return jQuery.merge( [], parsed.childNodes );
  };
  
  
  /**
   * Load a url into a page
   */
  jQuery.fn.load = function( url, params, callback ) {
  	var selector, type, response,
  		self = this,
  		off = url.indexOf( " " );
  
  	if ( off > -1 ) {
  		selector = jQuery.trim( url.slice( off ) );
  		url = url.slice( 0, off );
  	}
  
  	// If it's a function
  	if ( jQuery.isFunction( params ) ) {
  
  		// We assume that it's the callback
  		callback = params;
  		params = undefined;
  
  	// Otherwise, build a param string
  	} else if ( params && typeof params === "object" ) {
  		type = "POST";
  	}
  
  	// If we have elements to modify, make the request
  	if ( self.length > 0 ) {
  		jQuery.ajax( {
  			url: url,
  
  			// If "type" variable is undefined, then "GET" method will be used.
  			// Make value of this field explicit since
  			// user can override it through ajaxSetup method
  			type: type || "GET",
  			dataType: "html",
  			data: params
  		} ).done( function( responseText ) {
  
  			// Save response for use in complete callback
  			response = arguments;
  
  			self.html( selector ?
  
  				// If a selector was specified, locate the right elements in a dummy div
  				// Exclude scripts to avoid IE 'Permission Denied' errors
  				jQuery( "<div>" ).append( jQuery.parseHTML( responseText ) ).find( selector ) :
  
  				// Otherwise use the full result
  				responseText );
  
  		// If the request succeeds, this function gets "data", "status", "jqXHR"
  		// but they are ignored because response was set above.
  		// If it fails, this function gets "jqXHR", "status", "error"
  		} ).always( callback && function( jqXHR, status ) {
  			self.each( function() {
  				callback.apply( this, response || [ jqXHR.responseText, status, jqXHR ] );
  			} );
  		} );
  	}
  
  	return this;
  };
  
  
  
  
  // Attach a bunch of functions for handling common AJAX events
  jQuery.each( [
  	"ajaxStart",
  	"ajaxStop",
  	"ajaxComplete",
  	"ajaxError",
  	"ajaxSuccess",
  	"ajaxSend"
  ], function( i, type ) {
  	jQuery.fn[ type ] = function( fn ) {
  		return this.on( type, fn );
  	};
  } );
  
  
  
  
  jQuery.expr.pseudos.animated = function( elem ) {
  	return jQuery.grep( jQuery.timers, function( fn ) {
  		return elem === fn.elem;
  	} ).length;
  };
  
  
  
  
  /**
   * Gets a window from an element
   */
  function getWindow( elem ) {
  	return jQuery.isWindow( elem ) ? elem : elem.nodeType === 9 && elem.defaultView;
  }
  
  jQuery.offset = {
  	setOffset: function( elem, options, i ) {
  		var curPosition, curLeft, curCSSTop, curTop, curOffset, curCSSLeft, calculatePosition,
  			position = jQuery.css( elem, "position" ),
  			curElem = jQuery( elem ),
  			props = {};
  
  		// Set position first, in-case top/left are set even on static elem
  		if ( position === "static" ) {
  			elem.style.position = "relative";
  		}
  
  		curOffset = curElem.offset();
  		curCSSTop = jQuery.css( elem, "top" );
  		curCSSLeft = jQuery.css( elem, "left" );
  		calculatePosition = ( position === "absolute" || position === "fixed" ) &&
  			( curCSSTop + curCSSLeft ).indexOf( "auto" ) > -1;
  
  		// Need to be able to calculate position if either
  		// top or left is auto and position is either absolute or fixed
  		if ( calculatePosition ) {
  			curPosition = curElem.position();
  			curTop = curPosition.top;
  			curLeft = curPosition.left;
  
  		} else {
  			curTop = parseFloat( curCSSTop ) || 0;
  			curLeft = parseFloat( curCSSLeft ) || 0;
  		}
  
  		if ( jQuery.isFunction( options ) ) {
  
  			// Use jQuery.extend here to allow modification of coordinates argument (gh-1848)
  			options = options.call( elem, i, jQuery.extend( {}, curOffset ) );
  		}
  
  		if ( options.top != null ) {
  			props.top = ( options.top - curOffset.top ) + curTop;
  		}
  		if ( options.left != null ) {
  			props.left = ( options.left - curOffset.left ) + curLeft;
  		}
  
  		if ( "using" in options ) {
  			options.using.call( elem, props );
  
  		} else {
  			curElem.css( props );
  		}
  	}
  };
  
  jQuery.fn.extend( {
  	offset: function( options ) {
  
  		// Preserve chaining for setter
  		if ( arguments.length ) {
  			return options === undefined ?
  				this :
  				this.each( function( i ) {
  					jQuery.offset.setOffset( this, options, i );
  				} );
  		}
  
  		var docElem, win, rect, doc,
  			elem = this[ 0 ];
  
  		if ( !elem ) {
  			return;
  		}
  
  		// Support: IE <=11 only
  		// Running getBoundingClientRect on a
  		// disconnected node in IE throws an error
  		if ( !elem.getClientRects().length ) {
  			return { top: 0, left: 0 };
  		}
  
  		rect = elem.getBoundingClientRect();
  
  		// Make sure element is not hidden (display: none)
  		if ( rect.width || rect.height ) {
  			doc = elem.ownerDocument;
  			win = getWindow( doc );
  			docElem = doc.documentElement;
  
  			return {
  				top: rect.top + win.pageYOffset - docElem.clientTop,
  				left: rect.left + win.pageXOffset - docElem.clientLeft
  			};
  		}
  
  		// Return zeros for disconnected and hidden elements (gh-2310)
  		return rect;
  	},
  
  	position: function() {
  		if ( !this[ 0 ] ) {
  			return;
  		}
  
  		var offsetParent, offset,
  			elem = this[ 0 ],
  			parentOffset = { top: 0, left: 0 };
  
  		// Fixed elements are offset from window (parentOffset = {top:0, left: 0},
  		// because it is its only offset parent
  		if ( jQuery.css( elem, "position" ) === "fixed" ) {
  
  			// Assume getBoundingClientRect is there when computed position is fixed
  			offset = elem.getBoundingClientRect();
  
  		} else {
  
  			// Get *real* offsetParent
  			offsetParent = this.offsetParent();
  
  			// Get correct offsets
  			offset = this.offset();
  			if ( !jQuery.nodeName( offsetParent[ 0 ], "html" ) ) {
  				parentOffset = offsetParent.offset();
  			}
  
  			// Add offsetParent borders
  			parentOffset = {
  				top: parentOffset.top + jQuery.css( offsetParent[ 0 ], "borderTopWidth", true ),
  				left: parentOffset.left + jQuery.css( offsetParent[ 0 ], "borderLeftWidth", true )
  			};
  		}
  
  		// Subtract parent offsets and element margins
  		return {
  			top: offset.top - parentOffset.top - jQuery.css( elem, "marginTop", true ),
  			left: offset.left - parentOffset.left - jQuery.css( elem, "marginLeft", true )
  		};
  	},
  
  	// This method will return documentElement in the following cases:
  	// 1) For the element inside the iframe without offsetParent, this method will return
  	//    documentElement of the parent window
  	// 2) For the hidden or detached element
  	// 3) For body or html element, i.e. in case of the html node - it will return itself
  	//
  	// but those exceptions were never presented as a real life use-cases
  	// and might be considered as more preferable results.
  	//
  	// This logic, however, is not guaranteed and can change at any point in the future
  	offsetParent: function() {
  		return this.map( function() {
  			var offsetParent = this.offsetParent;
  
  			while ( offsetParent && jQuery.css( offsetParent, "position" ) === "static" ) {
  				offsetParent = offsetParent.offsetParent;
  			}
  
  			return offsetParent || documentElement;
  		} );
  	}
  } );
  
  // Create scrollLeft and scrollTop methods
  jQuery.each( { scrollLeft: "pageXOffset", scrollTop: "pageYOffset" }, function( method, prop ) {
  	var top = "pageYOffset" === prop;
  
  	jQuery.fn[ method ] = function( val ) {
  		return access( this, function( elem, method, val ) {
  			var win = getWindow( elem );
  
  			if ( val === undefined ) {
  				return win ? win[ prop ] : elem[ method ];
  			}
  
  			if ( win ) {
  				win.scrollTo(
  					!top ? val : win.pageXOffset,
  					top ? val : win.pageYOffset
  				);
  
  			} else {
  				elem[ method ] = val;
  			}
  		}, method, val, arguments.length );
  	};
  } );
  
  // Support: Safari <=7 - 9.1, Chrome <=37 - 49
  // Add the top/left cssHooks using jQuery.fn.position
  // Webkit bug: https://bugs.webkit.org/show_bug.cgi?id=29084
  // Blink bug: https://bugs.chromium.org/p/chromium/issues/detail?id=589347
  // getComputedStyle returns percent when specified for top/left/bottom/right;
  // rather than make the css module depend on the offset module, just check for it here
  jQuery.each( [ "top", "left" ], function( i, prop ) {
  	jQuery.cssHooks[ prop ] = addGetHookIf( support.pixelPosition,
  		function( elem, computed ) {
  			if ( computed ) {
  				computed = curCSS( elem, prop );
  
  				// If curCSS returns percentage, fallback to offset
  				return rnumnonpx.test( computed ) ?
  					jQuery( elem ).position()[ prop ] + "px" :
  					computed;
  			}
  		}
  	);
  } );
  
  
  // Create innerHeight, innerWidth, height, width, outerHeight and outerWidth methods
  jQuery.each( { Height: "height", Width: "width" }, function( name, type ) {
  	jQuery.each( { padding: "inner" + name, content: type, "": "outer" + name },
  		function( defaultExtra, funcName ) {
  
  		// Margin is only for outerHeight, outerWidth
  		jQuery.fn[ funcName ] = function( margin, value ) {
  			var chainable = arguments.length && ( defaultExtra || typeof margin !== "boolean" ),
  				extra = defaultExtra || ( margin === true || value === true ? "margin" : "border" );
  
  			return access( this, function( elem, type, value ) {
  				var doc;
  
  				if ( jQuery.isWindow( elem ) ) {
  
  					// $( window ).outerWidth/Height return w/h including scrollbars (gh-1729)
  					return funcName.indexOf( "outer" ) === 0 ?
  						elem[ "inner" + name ] :
  						elem.document.documentElement[ "client" + name ];
  				}
  
  				// Get document width or height
  				if ( elem.nodeType === 9 ) {
  					doc = elem.documentElement;
  
  					// Either scroll[Width/Height] or offset[Width/Height] or client[Width/Height],
  					// whichever is greatest
  					return Math.max(
  						elem.body[ "scroll" + name ], doc[ "scroll" + name ],
  						elem.body[ "offset" + name ], doc[ "offset" + name ],
  						doc[ "client" + name ]
  					);
  				}
  
  				return value === undefined ?
  
  					// Get width or height on the element, requesting but not forcing parseFloat
  					jQuery.css( elem, type, extra ) :
  
  					// Set width or height on the element
  					jQuery.style( elem, type, value, extra );
  			}, type, chainable ? margin : undefined, chainable );
  		};
  	} );
  } );
  
  
  jQuery.fn.extend( {
  
  	bind: function( types, data, fn ) {
  		return this.on( types, null, data, fn );
  	},
  	unbind: function( types, fn ) {
  		return this.off( types, null, fn );
  	},
  
  	delegate: function( selector, types, data, fn ) {
  		return this.on( types, selector, data, fn );
  	},
  	undelegate: function( selector, types, fn ) {
  
  		// ( namespace ) or ( selector, types [, fn] )
  		return arguments.length === 1 ?
  			this.off( selector, "**" ) :
  			this.off( types, selector || "**", fn );
  	}
  } );
  
  jQuery.parseJSON = JSON.parse;
  
  
  
  
  // Register as a named AMD module, since jQuery can be concatenated with other
  // files that may use define, but not via a proper concatenation script that
  // understands anonymous AMD modules. A named AMD is safest and most robust
  // way to register. Lowercase jquery is used because AMD module names are
  // derived from file names, and jQuery is normally delivered in a lowercase
  // file name. Do this after creating the global so that if an AMD module wants
  // to call noConflict to hide this version of jQuery, it will work.
  
  // Note that for maximum portability, libraries that are not jQuery should
  // declare themselves as anonymous modules, and avoid setting a global if an
  // AMD loader is present. jQuery is a special case. For more information, see
  // https://github.com/jrburke/requirejs/wiki/Updating-existing-libraries#wiki-anon
  
  if ( typeof define === "function" && define.amd ) {
  	define( "jquery", [], function() {
  		return jQuery;
  	} );
  }
  
  
  
  
  
  var
  
  	// Map over jQuery in case of overwrite
  	_jQuery = window.jQuery,
  
  	// Map over the $ in case of overwrite
  	_$ = window.$;
  
  jQuery.noConflict = function( deep ) {
  	if ( window.$ === jQuery ) {
  		window.$ = _$;
  	}
  
  	if ( deep && window.jQuery === jQuery ) {
  		window.jQuery = _jQuery;
  	}
  
  	return jQuery;
  };
  
  // Expose jQuery and $ identifiers, even in AMD
  // (#7102#comment:10, https://github.com/jquery/jquery/pull/557)
  // and CommonJS for browser emulators (#13566)
  if ( !noGlobal ) {
  	window.jQuery = window.$ = jQuery;
  }
  
  
  return jQuery;
  } ) );
  
  },{}],3:[function(require,module,exports){
  var d3 = require('d3');
  var $ = require('jquery');
  
  var width = $("#map").width(),
      height = $("#map").height(),
      country;
  
  var projection = d3.geo.mercator()
          .scale(1)
  		.translate([0, 0]);
  
  var path = d3.geo.path().projection(projection);
  
  var svg = d3.select("#map").append("svg")
      .attr("preserveAspectRatio", "xMidYMid")
      .attr("viewBox", "0 0 " + width + " " + height)
      .attr("width", width)
      .attr("height", height);
  
  var data = [[-71.060093, 42.359968], [13.1929125, 55.7028541], [-0.1262362, 51.5001524], [-75.6979330, 45.4234940], [-21.8952100, 64.1353380], [11.5354214, 45.5454787]]
  
  var g = svg.append("g");
  
  d3.json('world.geo.json', function(error, world) {
      
  
      b = path.bounds(world),
          s = .95 / Math.max((b[1][0] - b[0][0]) / width, (b[1][1] - b[0][1]) / height),
          t = [(width - s * (b[1][0] + b[0][0])) / 2, (height - s * (b[1][1] + b[0][1])) / 2];
  
      projection
          .scale(s)
          .translate(t);
  
      svg.selectAll("circle")
  		.data(data).enter()
  		.append("circle")
  		.attr("cx", function (d) { return projection(d)[0]; })
  		.attr("cy", function (d) { return projection(d)[1]; })
  		.attr("r", "8px")
  		.attr("fill", "#6CB33F")
  
      g.append("g")
          .attr("id", "countries")
          .selectAll("path")
          .data(world.features)
          .enter()
          .append("path")
          .attr("id", function(d) { return d.id; })
          .attr("d", path);
  
  
  });
  },{"d3":1,"jquery":2}]},{},[3]);
  