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HUE-8967 [search] Fix broken marker map widget

Johan Ahlen 6 lat temu
rodzic
commit
867922f797

+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/leaflet.heat.js → desktop/core/src/desktop/js/ext/leaflet/leaflet.heat.js


+ 9170 - 0
desktop/core/src/desktop/js/ext/leaflet/leaflet.js

@@ -0,0 +1,9170 @@
+/*
+ Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
+ (c) 2010-2013, Vladimir Agafonkin
+ (c) 2010-2011, CloudMade
+*/
+
+/*
+
+    This file has Hue specific changes for L.Icon.Default
+
+*/
+
+(function (window, document, undefined) {
+  var oldL = window.L,
+    L = {};
+
+  L.version = '0.7.7';
+
+// define Leaflet for Node module pattern loaders, including Browserify
+  if (typeof module === 'object' && typeof module.exports === 'object') {
+    module.exports = L;
+
+// define Leaflet as an AMD module
+  } else if (typeof define === 'function' && define.amd) {
+    define(L);
+  }
+
+// define Leaflet as a global L variable, saving the original L to restore later if needed
+
+  L.noConflict = function () {
+    window.L = oldL;
+    return this;
+  };
+
+  window.L = L;
+
+
+  /*
+ * L.Util contains various utility functions used throughout Leaflet code.
+ */
+
+  L.Util = {
+    extend: function (dest) { // (Object[, Object, ...]) ->
+      var sources = Array.prototype.slice.call(arguments, 1),
+        i, j, len, src;
+
+      for (j = 0, len = sources.length; j < len; j++) {
+        src = sources[j] || {};
+        for (i in src) {
+          if (src.hasOwnProperty(i)) {
+            dest[i] = src[i];
+          }
+        }
+      }
+      return dest;
+    },
+
+    bind: function (fn, obj) { // (Function, Object) -> Function
+      var args = arguments.length > 2 ? Array.prototype.slice.call(arguments, 2) : null;
+      return function () {
+        return fn.apply(obj, args || arguments);
+      };
+    },
+
+    stamp: (function () {
+      var lastId = 0,
+        key = '_leaflet_id';
+      return function (obj) {
+        obj[key] = obj[key] || ++lastId;
+        return obj[key];
+      };
+    }()),
+
+    invokeEach: function (obj, method, context) {
+      var i, args;
+
+      if (typeof obj === 'object') {
+        args = Array.prototype.slice.call(arguments, 3);
+
+        for (i in obj) {
+          method.apply(context, [i, obj[i]].concat(args));
+        }
+        return true;
+      }
+
+      return false;
+    },
+
+    limitExecByInterval: function (fn, time, context) {
+      var lock, execOnUnlock;
+
+      return function wrapperFn() {
+        var args = arguments;
+
+        if (lock) {
+          execOnUnlock = true;
+          return;
+        }
+
+        lock = true;
+
+        setTimeout(function () {
+          lock = false;
+
+          if (execOnUnlock) {
+            wrapperFn.apply(context, args);
+            execOnUnlock = false;
+          }
+        }, time);
+
+        fn.apply(context, args);
+      };
+    },
+
+    falseFn: function () {
+      return false;
+    },
+
+    formatNum: function (num, digits) {
+      var pow = Math.pow(10, digits || 5);
+      return Math.round(num * pow) / pow;
+    },
+
+    trim: function (str) {
+      return str.trim ? str.trim() : str.replace(/^\s+|\s+$/g, '');
+    },
+
+    splitWords: function (str) {
+      return L.Util.trim(str).split(/\s+/);
+    },
+
+    setOptions: function (obj, options) {
+      obj.options = L.extend({}, obj.options, options);
+      return obj.options;
+    },
+
+    getParamString: function (obj, existingUrl, uppercase) {
+      var params = [];
+      for (var i in obj) {
+        params.push(encodeURIComponent(uppercase ? i.toUpperCase() : i) + '=' + encodeURIComponent(obj[i]));
+      }
+      return ((!existingUrl || existingUrl.indexOf('?') === -1) ? '?' : '&') + params.join('&');
+    },
+    template: function (str, data) {
+      return str.replace(/\{ *([\w_]+) *\}/g, function (str, key) {
+        var value = data[key];
+        if (value === undefined) {
+          throw new Error('No value provided for variable ' + str);
+        } else if (typeof value === 'function') {
+          value = value(data);
+        }
+        return value;
+      });
+    },
+
+    isArray: Array.isArray || function (obj) {
+      return (Object.prototype.toString.call(obj) === '[object Array]');
+    },
+
+    emptyImageUrl: 'data:image/gif;base64,R0lGODlhAQABAAD/ACwAAAAAAQABAAACADs='
+  };
+
+  (function () {
+
+    // inspired by http://paulirish.com/2011/requestanimationframe-for-smart-animating/
+
+    function getPrefixed(name) {
+      var i, fn,
+        prefixes = ['webkit', 'moz', 'o', 'ms'];
+
+      for (i = 0; i < prefixes.length && !fn; i++) {
+        fn = window[prefixes[i] + name];
+      }
+
+      return fn;
+    }
+
+    var lastTime = 0;
+
+    function timeoutDefer(fn) {
+      var time = +new Date(),
+        timeToCall = Math.max(0, 16 - (time - lastTime));
+
+      lastTime = time + timeToCall;
+      return window.setTimeout(fn, timeToCall);
+    }
+
+    var requestFn = window.requestAnimationFrame ||
+      getPrefixed('RequestAnimationFrame') || timeoutDefer;
+
+    var cancelFn = window.cancelAnimationFrame ||
+      getPrefixed('CancelAnimationFrame') ||
+      getPrefixed('CancelRequestAnimationFrame') ||
+      function (id) { window.clearTimeout(id); };
+
+
+    L.Util.requestAnimFrame = function (fn, context, immediate, element) {
+      fn = L.bind(fn, context);
+
+      if (immediate && requestFn === timeoutDefer) {
+        fn();
+      } else {
+        return requestFn.call(window, fn, element);
+      }
+    };
+
+    L.Util.cancelAnimFrame = function (id) {
+      if (id) {
+        cancelFn.call(window, id);
+      }
+    };
+
+  }());
+
+// shortcuts for most used utility functions
+  L.extend = L.Util.extend;
+  L.bind = L.Util.bind;
+  L.stamp = L.Util.stamp;
+  L.setOptions = L.Util.setOptions;
+
+
+  /*
+ * L.Class powers the OOP facilities of the library.
+ * Thanks to John Resig and Dean Edwards for inspiration!
+ */
+
+  L.Class = function () {};
+
+  L.Class.extend = function (props) {
+
+    // extended class with the new prototype
+    var NewClass = function () {
+
+      // call the constructor
+      if (this.initialize) {
+        this.initialize.apply(this, arguments);
+      }
+
+      // call all constructor hooks
+      if (this._initHooks) {
+        this.callInitHooks();
+      }
+    };
+
+    // instantiate class without calling constructor
+    var F = function () {};
+    F.prototype = this.prototype;
+
+    var proto = new F();
+    proto.constructor = NewClass;
+
+    NewClass.prototype = proto;
+
+    //inherit parent's statics
+    for (var i in this) {
+      if (this.hasOwnProperty(i) && i !== 'prototype') {
+        NewClass[i] = this[i];
+      }
+    }
+
+    // mix static properties into the class
+    if (props.statics) {
+      L.extend(NewClass, props.statics);
+      delete props.statics;
+    }
+
+    // mix includes into the prototype
+    if (props.includes) {
+      L.Util.extend.apply(null, [proto].concat(props.includes));
+      delete props.includes;
+    }
+
+    // merge options
+    if (props.options && proto.options) {
+      props.options = L.extend({}, proto.options, props.options);
+    }
+
+    // mix given properties into the prototype
+    L.extend(proto, props);
+
+    proto._initHooks = [];
+
+    var parent = this;
+    // jshint camelcase: false
+    NewClass.__super__ = parent.prototype;
+
+    // add method for calling all hooks
+    proto.callInitHooks = function () {
+
+      if (this._initHooksCalled) { return; }
+
+      if (parent.prototype.callInitHooks) {
+        parent.prototype.callInitHooks.call(this);
+      }
+
+      this._initHooksCalled = true;
+
+      for (var i = 0, len = proto._initHooks.length; i < len; i++) {
+        proto._initHooks[i].call(this);
+      }
+    };
+
+    return NewClass;
+  };
+
+
+// method for adding properties to prototype
+  L.Class.include = function (props) {
+    L.extend(this.prototype, props);
+  };
+
+// merge new default options to the Class
+  L.Class.mergeOptions = function (options) {
+    L.extend(this.prototype.options, options);
+  };
+
+// add a constructor hook
+  L.Class.addInitHook = function (fn) { // (Function) || (String, args...)
+    var args = Array.prototype.slice.call(arguments, 1);
+
+    var init = typeof fn === 'function' ? fn : function () {
+      this[fn].apply(this, args);
+    };
+
+    this.prototype._initHooks = this.prototype._initHooks || [];
+    this.prototype._initHooks.push(init);
+  };
+
+
+  /*
+ * L.Mixin.Events is used to add custom events functionality to Leaflet classes.
+ */
+
+  var eventsKey = '_leaflet_events';
+
+  L.Mixin = {};
+
+  L.Mixin.Events = {
+
+    addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
+
+      // types can be a map of types/handlers
+      if (L.Util.invokeEach(types, this.addEventListener, this, fn, context)) { return this; }
+
+      var events = this[eventsKey] = this[eventsKey] || {},
+        contextId = context && context !== this && L.stamp(context),
+        i, len, event, type, indexKey, indexLenKey, typeIndex;
+
+      // types can be a string of space-separated words
+      types = L.Util.splitWords(types);
+
+      for (i = 0, len = types.length; i < len; i++) {
+        event = {
+          action: fn,
+          context: context || this
+        };
+        type = types[i];
+
+        if (contextId) {
+          // store listeners of a particular context in a separate hash (if it has an id)
+          // gives a major performance boost when removing thousands of map layers
+
+          indexKey = type + '_idx';
+          indexLenKey = indexKey + '_len';
+
+          typeIndex = events[indexKey] = events[indexKey] || {};
+
+          if (!typeIndex[contextId]) {
+            typeIndex[contextId] = [];
+
+            // keep track of the number of keys in the index to quickly check if it's empty
+            events[indexLenKey] = (events[indexLenKey] || 0) + 1;
+          }
+
+          typeIndex[contextId].push(event);
+
+
+        } else {
+          events[type] = events[type] || [];
+          events[type].push(event);
+        }
+      }
+
+      return this;
+    },
+
+    hasEventListeners: function (type) { // (String) -> Boolean
+      var events = this[eventsKey];
+      return !!events && ((type in events && events[type].length > 0) ||
+        (type + '_idx' in events && events[type + '_idx_len'] > 0));
+    },
+
+    removeEventListener: function (types, fn, context) { // ([String, Function, Object]) or (Object[, Object])
+
+      if (!this[eventsKey]) {
+        return this;
+      }
+
+      if (!types) {
+        return this.clearAllEventListeners();
+      }
+
+      if (L.Util.invokeEach(types, this.removeEventListener, this, fn, context)) { return this; }
+
+      var events = this[eventsKey],
+        contextId = context && context !== this && L.stamp(context),
+        i, len, type, listeners, j, indexKey, indexLenKey, typeIndex, removed;
+
+      types = L.Util.splitWords(types);
+
+      for (i = 0, len = types.length; i < len; i++) {
+        type = types[i];
+        indexKey = type + '_idx';
+        indexLenKey = indexKey + '_len';
+
+        typeIndex = events[indexKey];
+
+        if (!fn) {
+          // clear all listeners for a type if function isn't specified
+          delete events[type];
+          delete events[indexKey];
+          delete events[indexLenKey];
+
+        } else {
+          listeners = contextId && typeIndex ? typeIndex[contextId] : events[type];
+
+          if (listeners) {
+            for (j = listeners.length - 1; j >= 0; j--) {
+              if ((listeners[j].action === fn) && (!context || (listeners[j].context === context))) {
+                removed = listeners.splice(j, 1);
+                // set the old action to a no-op, because it is possible
+                // that the listener is being iterated over as part of a dispatch
+                removed[0].action = L.Util.falseFn;
+              }
+            }
+
+            if (context && typeIndex && (listeners.length === 0)) {
+              delete typeIndex[contextId];
+              events[indexLenKey]--;
+            }
+          }
+        }
+      }
+
+      return this;
+    },
+
+    clearAllEventListeners: function () {
+      delete this[eventsKey];
+      return this;
+    },
+
+    fireEvent: function (type, data) { // (String[, Object])
+      if (!this.hasEventListeners(type)) {
+        return this;
+      }
+
+      var event = L.Util.extend({}, data, { type: type, target: this });
+
+      var events = this[eventsKey],
+        listeners, i, len, typeIndex, contextId;
+
+      if (events[type]) {
+        // make sure adding/removing listeners inside other listeners won't cause infinite loop
+        listeners = events[type].slice();
+
+        for (i = 0, len = listeners.length; i < len; i++) {
+          listeners[i].action.call(listeners[i].context, event);
+        }
+      }
+
+      // fire event for the context-indexed listeners as well
+      typeIndex = events[type + '_idx'];
+
+      for (contextId in typeIndex) {
+        listeners = typeIndex[contextId].slice();
+
+        if (listeners) {
+          for (i = 0, len = listeners.length; i < len; i++) {
+            listeners[i].action.call(listeners[i].context, event);
+          }
+        }
+      }
+
+      return this;
+    },
+
+    addOneTimeEventListener: function (types, fn, context) {
+
+      if (L.Util.invokeEach(types, this.addOneTimeEventListener, this, fn, context)) { return this; }
+
+      var handler = L.bind(function () {
+        this
+          .removeEventListener(types, fn, context)
+          .removeEventListener(types, handler, context);
+      }, this);
+
+      return this
+        .addEventListener(types, fn, context)
+        .addEventListener(types, handler, context);
+    }
+  };
+
+  L.Mixin.Events.on = L.Mixin.Events.addEventListener;
+  L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
+  L.Mixin.Events.once = L.Mixin.Events.addOneTimeEventListener;
+  L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
+
+
+  /*
+ * L.Browser handles different browser and feature detections for internal Leaflet use.
+ */
+
+  (function () {
+
+    var ie = 'ActiveXObject' in window,
+      ielt9 = ie && !document.addEventListener,
+
+      // terrible browser detection to work around Safari / iOS / Android browser bugs
+      ua = navigator.userAgent.toLowerCase(),
+      webkit = ua.indexOf('webkit') !== -1,
+      chrome = ua.indexOf('chrome') !== -1,
+      phantomjs = ua.indexOf('phantom') !== -1,
+      android = ua.indexOf('android') !== -1,
+      android23 = ua.search('android [23]') !== -1,
+      gecko = ua.indexOf('gecko') !== -1,
+
+      mobile = typeof orientation !== undefined + '',
+      msPointer = !window.PointerEvent && window.MSPointerEvent,
+      pointer = (window.PointerEvent && window.navigator.pointerEnabled) ||
+        msPointer,
+      retina = ('devicePixelRatio' in window && window.devicePixelRatio > 1) ||
+        ('matchMedia' in window && window.matchMedia('(min-resolution:144dpi)') &&
+          window.matchMedia('(min-resolution:144dpi)').matches),
+
+      doc = document.documentElement,
+      ie3d = ie && ('transition' in doc.style),
+      webkit3d = ('WebKitCSSMatrix' in window) && ('m11' in new window.WebKitCSSMatrix()) && !android23,
+      gecko3d = 'MozPerspective' in doc.style,
+      opera3d = 'OTransition' in doc.style,
+      any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d) && !phantomjs;
+
+    var touch = !window.L_NO_TOUCH && !phantomjs && (pointer || 'ontouchstart' in window ||
+      (window.DocumentTouch && document instanceof window.DocumentTouch));
+
+    L.Browser = {
+      ie: ie,
+      ielt9: ielt9,
+      webkit: webkit,
+      gecko: gecko && !webkit && !window.opera && !ie,
+
+      android: android,
+      android23: android23,
+
+      chrome: chrome,
+
+      ie3d: ie3d,
+      webkit3d: webkit3d,
+      gecko3d: gecko3d,
+      opera3d: opera3d,
+      any3d: any3d,
+
+      mobile: mobile,
+      mobileWebkit: mobile && webkit,
+      mobileWebkit3d: mobile && webkit3d,
+      mobileOpera: mobile && window.opera,
+
+      touch: touch,
+      msPointer: msPointer,
+      pointer: pointer,
+
+      retina: retina
+    };
+
+  }());
+
+
+  /*
+ * L.Point represents a point with x and y coordinates.
+ */
+
+  L.Point = function (/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {
+    this.x = (round ? Math.round(x) : x);
+    this.y = (round ? Math.round(y) : y);
+  };
+
+  L.Point.prototype = {
+
+    clone: function () {
+      return new L.Point(this.x, this.y);
+    },
+
+    // non-destructive, returns a new point
+    add: function (point) {
+      return this.clone()._add(L.point(point));
+    },
+
+    // destructive, used directly for performance in situations where it's safe to modify existing point
+    _add: function (point) {
+      this.x += point.x;
+      this.y += point.y;
+      return this;
+    },
+
+    subtract: function (point) {
+      return this.clone()._subtract(L.point(point));
+    },
+
+    _subtract: function (point) {
+      this.x -= point.x;
+      this.y -= point.y;
+      return this;
+    },
+
+    divideBy: function (num) {
+      return this.clone()._divideBy(num);
+    },
+
+    _divideBy: function (num) {
+      this.x /= num;
+      this.y /= num;
+      return this;
+    },
+
+    multiplyBy: function (num) {
+      return this.clone()._multiplyBy(num);
+    },
+
+    _multiplyBy: function (num) {
+      this.x *= num;
+      this.y *= num;
+      return this;
+    },
+
+    round: function () {
+      return this.clone()._round();
+    },
+
+    _round: function () {
+      this.x = Math.round(this.x);
+      this.y = Math.round(this.y);
+      return this;
+    },
+
+    floor: function () {
+      return this.clone()._floor();
+    },
+
+    _floor: function () {
+      this.x = Math.floor(this.x);
+      this.y = Math.floor(this.y);
+      return this;
+    },
+
+    distanceTo: function (point) {
+      point = L.point(point);
+
+      var x = point.x - this.x,
+        y = point.y - this.y;
+
+      return Math.sqrt(x * x + y * y);
+    },
+
+    equals: function (point) {
+      point = L.point(point);
+
+      return point.x === this.x &&
+        point.y === this.y;
+    },
+
+    contains: function (point) {
+      point = L.point(point);
+
+      return Math.abs(point.x) <= Math.abs(this.x) &&
+        Math.abs(point.y) <= Math.abs(this.y);
+    },
+
+    toString: function () {
+      return 'Point(' +
+        L.Util.formatNum(this.x) + ', ' +
+        L.Util.formatNum(this.y) + ')';
+    }
+  };
+
+  L.point = function (x, y, round) {
+    if (x instanceof L.Point) {
+      return x;
+    }
+    if (L.Util.isArray(x)) {
+      return new L.Point(x[0], x[1]);
+    }
+    if (x === undefined || x === null) {
+      return x;
+    }
+    return new L.Point(x, y, round);
+  };
+
+
+  /*
+ * L.Bounds represents a rectangular area on the screen in pixel coordinates.
+ */
+
+  L.Bounds = function (a, b) { //(Point, Point) or Point[]
+    if (!a) { return; }
+
+    var points = b ? [a, b] : a;
+
+    for (var i = 0, len = points.length; i < len; i++) {
+      this.extend(points[i]);
+    }
+  };
+
+  L.Bounds.prototype = {
+    // extend the bounds to contain the given point
+    extend: function (point) { // (Point)
+      point = L.point(point);
+
+      if (!this.min && !this.max) {
+        this.min = point.clone();
+        this.max = point.clone();
+      } else {
+        this.min.x = Math.min(point.x, this.min.x);
+        this.max.x = Math.max(point.x, this.max.x);
+        this.min.y = Math.min(point.y, this.min.y);
+        this.max.y = Math.max(point.y, this.max.y);
+      }
+      return this;
+    },
+
+    getCenter: function (round) { // (Boolean) -> Point
+      return new L.Point(
+        (this.min.x + this.max.x) / 2,
+        (this.min.y + this.max.y) / 2, round);
+    },
+
+    getBottomLeft: function () { // -> Point
+      return new L.Point(this.min.x, this.max.y);
+    },
+
+    getTopRight: function () { // -> Point
+      return new L.Point(this.max.x, this.min.y);
+    },
+
+    getSize: function () {
+      return this.max.subtract(this.min);
+    },
+
+    contains: function (obj) { // (Bounds) or (Point) -> Boolean
+      var min, max;
+
+      if (typeof obj[0] === 'number' || obj instanceof L.Point) {
+        obj = L.point(obj);
+      } else {
+        obj = L.bounds(obj);
+      }
+
+      if (obj instanceof L.Bounds) {
+        min = obj.min;
+        max = obj.max;
+      } else {
+        min = max = obj;
+      }
+
+      return (min.x >= this.min.x) &&
+        (max.x <= this.max.x) &&
+        (min.y >= this.min.y) &&
+        (max.y <= this.max.y);
+    },
+
+    intersects: function (bounds) { // (Bounds) -> Boolean
+      bounds = L.bounds(bounds);
+
+      var min = this.min,
+        max = this.max,
+        min2 = bounds.min,
+        max2 = bounds.max,
+        xIntersects = (max2.x >= min.x) && (min2.x <= max.x),
+        yIntersects = (max2.y >= min.y) && (min2.y <= max.y);
+
+      return xIntersects && yIntersects;
+    },
+
+    isValid: function () {
+      return !!(this.min && this.max);
+    }
+  };
+
+  L.bounds = function (a, b) { // (Bounds) or (Point, Point) or (Point[])
+    if (!a || a instanceof L.Bounds) {
+      return a;
+    }
+    return new L.Bounds(a, b);
+  };
+
+
+  /*
+ * L.Transformation is an utility class to perform simple point transformations through a 2d-matrix.
+ */
+
+  L.Transformation = function (a, b, c, d) {
+    this._a = a;
+    this._b = b;
+    this._c = c;
+    this._d = d;
+  };
+
+  L.Transformation.prototype = {
+    transform: function (point, scale) { // (Point, Number) -> Point
+      return this._transform(point.clone(), scale);
+    },
+
+    // destructive transform (faster)
+    _transform: function (point, scale) {
+      scale = scale || 1;
+      point.x = scale * (this._a * point.x + this._b);
+      point.y = scale * (this._c * point.y + this._d);
+      return point;
+    },
+
+    untransform: function (point, scale) {
+      scale = scale || 1;
+      return new L.Point(
+        (point.x / scale - this._b) / this._a,
+        (point.y / scale - this._d) / this._c);
+    }
+  };
+
+
+  /*
+ * L.DomUtil contains various utility functions for working with DOM.
+ */
+
+  L.DomUtil = {
+    get: function (id) {
+      return (typeof id === 'string' ? document.getElementById(id) : id);
+    },
+
+    getStyle: function (el, style) {
+
+      var value = el.style[style];
+
+      if (!value && el.currentStyle) {
+        value = el.currentStyle[style];
+      }
+
+      if ((!value || value === 'auto') && document.defaultView) {
+        var css = document.defaultView.getComputedStyle(el, null);
+        value = css ? css[style] : null;
+      }
+
+      return value === 'auto' ? null : value;
+    },
+
+    getViewportOffset: function (element) {
+
+      var top = 0,
+        left = 0,
+        el = element,
+        docBody = document.body,
+        docEl = document.documentElement,
+        pos;
+
+      do {
+        top  += el.offsetTop  || 0;
+        left += el.offsetLeft || 0;
+
+        //add borders
+        top += parseInt(L.DomUtil.getStyle(el, 'borderTopWidth'), 10) || 0;
+        left += parseInt(L.DomUtil.getStyle(el, 'borderLeftWidth'), 10) || 0;
+
+        pos = L.DomUtil.getStyle(el, 'position');
+
+        if (el.offsetParent === docBody && pos === 'absolute') { break; }
+
+        if (pos === 'fixed') {
+          top  += docBody.scrollTop  || docEl.scrollTop  || 0;
+          left += docBody.scrollLeft || docEl.scrollLeft || 0;
+          break;
+        }
+
+        if (pos === 'relative' && !el.offsetLeft) {
+          var width = L.DomUtil.getStyle(el, 'width'),
+            maxWidth = L.DomUtil.getStyle(el, 'max-width'),
+            r = el.getBoundingClientRect();
+
+          if (width !== 'none' || maxWidth !== 'none') {
+            left += r.left + el.clientLeft;
+          }
+
+          //calculate full y offset since we're breaking out of the loop
+          top += r.top + (docBody.scrollTop  || docEl.scrollTop  || 0);
+
+          break;
+        }
+
+        el = el.offsetParent;
+
+      } while (el);
+
+      el = element;
+
+      do {
+        if (el === docBody) { break; }
+
+        top  -= el.scrollTop  || 0;
+        left -= el.scrollLeft || 0;
+
+        el = el.parentNode;
+      } while (el);
+
+      return new L.Point(left, top);
+    },
+
+    documentIsLtr: function () {
+      if (!L.DomUtil._docIsLtrCached) {
+        L.DomUtil._docIsLtrCached = true;
+        L.DomUtil._docIsLtr = L.DomUtil.getStyle(document.body, 'direction') === 'ltr';
+      }
+      return L.DomUtil._docIsLtr;
+    },
+
+    create: function (tagName, className, container) {
+
+      var el = document.createElement(tagName);
+      el.className = className;
+
+      if (container) {
+        container.appendChild(el);
+      }
+
+      return el;
+    },
+
+    hasClass: function (el, name) {
+      if (el.classList !== undefined) {
+        return el.classList.contains(name);
+      }
+      var className = L.DomUtil._getClass(el);
+      return className.length > 0 && new RegExp('(^|\\s)' + name + '(\\s|$)').test(className);
+    },
+
+    addClass: function (el, name) {
+      if (el.classList !== undefined) {
+        var classes = L.Util.splitWords(name);
+        for (var i = 0, len = classes.length; i < len; i++) {
+          el.classList.add(classes[i]);
+        }
+      } else if (!L.DomUtil.hasClass(el, name)) {
+        var className = L.DomUtil._getClass(el);
+        L.DomUtil._setClass(el, (className ? className + ' ' : '') + name);
+      }
+    },
+
+    removeClass: function (el, name) {
+      if (el.classList !== undefined) {
+        el.classList.remove(name);
+      } else {
+        L.DomUtil._setClass(el, L.Util.trim((' ' + L.DomUtil._getClass(el) + ' ').replace(' ' + name + ' ', ' ')));
+      }
+    },
+
+    _setClass: function (el, name) {
+      if (el.className.baseVal === undefined) {
+        el.className = name;
+      } else {
+        // in case of SVG element
+        el.className.baseVal = name;
+      }
+    },
+
+    _getClass: function (el) {
+      return el.className.baseVal === undefined ? el.className : el.className.baseVal;
+    },
+
+    setOpacity: function (el, value) {
+
+      if ('opacity' in el.style) {
+        el.style.opacity = value;
+
+      } else if ('filter' in el.style) {
+
+        var filter = false,
+          filterName = 'DXImageTransform.Microsoft.Alpha';
+
+        // filters collection throws an error if we try to retrieve a filter that doesn't exist
+        try {
+          filter = el.filters.item(filterName);
+        } catch (e) {
+          // don't set opacity to 1 if we haven't already set an opacity,
+          // it isn't needed and breaks transparent pngs.
+          if (value === 1) { return; }
+        }
+
+        value = Math.round(value * 100);
+
+        if (filter) {
+          filter.Enabled = (value !== 100);
+          filter.Opacity = value;
+        } else {
+          el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
+        }
+      }
+    },
+
+    testProp: function (props) {
+
+      var style = document.documentElement.style;
+
+      for (var i = 0; i < props.length; i++) {
+        if (props[i] in style) {
+          return props[i];
+        }
+      }
+      return false;
+    },
+
+    getTranslateString: function (point) {
+      // on WebKit browsers (Chrome/Safari/iOS Safari/Android) using translate3d instead of translate
+      // makes animation smoother as it ensures HW accel is used. Firefox 13 doesn't care
+      // (same speed either way), Opera 12 doesn't support translate3d
+
+      var is3d = L.Browser.webkit3d,
+        open = 'translate' + (is3d ? '3d' : '') + '(',
+        close = (is3d ? ',0' : '') + ')';
+
+      return open + point.x + 'px,' + point.y + 'px' + close;
+    },
+
+    getScaleString: function (scale, origin) {
+
+      var preTranslateStr = L.DomUtil.getTranslateString(origin.add(origin.multiplyBy(-1 * scale))),
+        scaleStr = ' scale(' + scale + ') ';
+
+      return preTranslateStr + scaleStr;
+    },
+
+    setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
+
+      // jshint camelcase: false
+      el._leaflet_pos = point;
+
+      if (!disable3D && L.Browser.any3d) {
+        el.style[L.DomUtil.TRANSFORM] =  L.DomUtil.getTranslateString(point);
+      } else {
+        el.style.left = point.x + 'px';
+        el.style.top = point.y + 'px';
+      }
+    },
+
+    getPosition: function (el) {
+      // this method is only used for elements previously positioned using setPosition,
+      // so it's safe to cache the position for performance
+
+      // jshint camelcase: false
+      return el._leaflet_pos;
+    }
+  };
+
+
+// prefix style property names
+
+  L.DomUtil.TRANSFORM = L.DomUtil.testProp(
+    ['transform', 'WebkitTransform', 'OTransform', 'MozTransform', 'msTransform']);
+
+// webkitTransition comes first because some browser versions that drop vendor prefix don't do
+// the same for the transitionend event, in particular the Android 4.1 stock browser
+
+  L.DomUtil.TRANSITION = L.DomUtil.testProp(
+    ['webkitTransition', 'transition', 'OTransition', 'MozTransition', 'msTransition']);
+
+  L.DomUtil.TRANSITION_END =
+    L.DomUtil.TRANSITION === 'webkitTransition' || L.DomUtil.TRANSITION === 'OTransition' ?
+      L.DomUtil.TRANSITION + 'End' : 'transitionend';
+
+  (function () {
+    if ('onselectstart' in document) {
+      L.extend(L.DomUtil, {
+        disableTextSelection: function () {
+          L.DomEvent.on(window, 'selectstart', L.DomEvent.preventDefault);
+        },
+
+        enableTextSelection: function () {
+          L.DomEvent.off(window, 'selectstart', L.DomEvent.preventDefault);
+        }
+      });
+    } else {
+      var userSelectProperty = L.DomUtil.testProp(
+        ['userSelect', 'WebkitUserSelect', 'OUserSelect', 'MozUserSelect', 'msUserSelect']);
+
+      L.extend(L.DomUtil, {
+        disableTextSelection: function () {
+          if (userSelectProperty) {
+            var style = document.documentElement.style;
+            this._userSelect = style[userSelectProperty];
+            style[userSelectProperty] = 'none';
+          }
+        },
+
+        enableTextSelection: function () {
+          if (userSelectProperty) {
+            document.documentElement.style[userSelectProperty] = this._userSelect;
+            delete this._userSelect;
+          }
+        }
+      });
+    }
+
+    L.extend(L.DomUtil, {
+      disableImageDrag: function () {
+        L.DomEvent.on(window, 'dragstart', L.DomEvent.preventDefault);
+      },
+
+      enableImageDrag: function () {
+        L.DomEvent.off(window, 'dragstart', L.DomEvent.preventDefault);
+      }
+    });
+  })();
+
+
+  /*
+ * L.LatLng represents a geographical point with latitude and longitude coordinates.
+ */
+
+  L.LatLng = function (lat, lng, alt) { // (Number, Number, Number)
+    lat = parseFloat(lat);
+    lng = parseFloat(lng);
+
+    if (isNaN(lat) || isNaN(lng)) {
+      throw new Error('Invalid LatLng object: (' + lat + ', ' + lng + ')');
+    }
+
+    this.lat = lat;
+    this.lng = lng;
+
+    if (alt !== undefined) {
+      this.alt = parseFloat(alt);
+    }
+  };
+
+  L.extend(L.LatLng, {
+    DEG_TO_RAD: Math.PI / 180,
+    RAD_TO_DEG: 180 / Math.PI,
+    MAX_MARGIN: 1.0E-9 // max margin of error for the "equals" check
+  });
+
+  L.LatLng.prototype = {
+    equals: function (obj) { // (LatLng) -> Boolean
+      if (!obj) { return false; }
+
+      obj = L.latLng(obj);
+
+      var margin = Math.max(
+        Math.abs(this.lat - obj.lat),
+        Math.abs(this.lng - obj.lng));
+
+      return margin <= L.LatLng.MAX_MARGIN;
+    },
+
+    toString: function (precision) { // (Number) -> String
+      return 'LatLng(' +
+        L.Util.formatNum(this.lat, precision) + ', ' +
+        L.Util.formatNum(this.lng, precision) + ')';
+    },
+
+    // Haversine distance formula, see http://en.wikipedia.org/wiki/Haversine_formula
+    // TODO move to projection code, LatLng shouldn't know about Earth
+    distanceTo: function (other) { // (LatLng) -> Number
+      other = L.latLng(other);
+
+      var R = 6378137, // earth radius in meters
+        d2r = L.LatLng.DEG_TO_RAD,
+        dLat = (other.lat - this.lat) * d2r,
+        dLon = (other.lng - this.lng) * d2r,
+        lat1 = this.lat * d2r,
+        lat2 = other.lat * d2r,
+        sin1 = Math.sin(dLat / 2),
+        sin2 = Math.sin(dLon / 2);
+
+      var a = sin1 * sin1 + sin2 * sin2 * Math.cos(lat1) * Math.cos(lat2);
+
+      return R * 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
+    },
+
+    wrap: function (a, b) { // (Number, Number) -> LatLng
+      var lng = this.lng;
+
+      a = a || -180;
+      b = b ||  180;
+
+      lng = (lng + b) % (b - a) + (lng < a || lng === b ? b : a);
+
+      return new L.LatLng(this.lat, lng);
+    }
+  };
+
+  L.latLng = function (a, b) { // (LatLng) or ([Number, Number]) or (Number, Number)
+    if (a instanceof L.LatLng) {
+      return a;
+    }
+    if (L.Util.isArray(a)) {
+      if (typeof a[0] === 'number' || typeof a[0] === 'string') {
+        return new L.LatLng(a[0], a[1], a[2]);
+      } else {
+        return null;
+      }
+    }
+    if (a === undefined || a === null) {
+      return a;
+    }
+    if (typeof a === 'object' && 'lat' in a) {
+      return new L.LatLng(a.lat, 'lng' in a ? a.lng : a.lon);
+    }
+    if (b === undefined) {
+      return null;
+    }
+    return new L.LatLng(a, b);
+  };
+
+
+
+  /*
+ * L.LatLngBounds represents a rectangular area on the map in geographical coordinates.
+ */
+
+  L.LatLngBounds = function (southWest, northEast) { // (LatLng, LatLng) or (LatLng[])
+    if (!southWest) { return; }
+
+    var latlngs = northEast ? [southWest, northEast] : southWest;
+
+    for (var i = 0, len = latlngs.length; i < len; i++) {
+      this.extend(latlngs[i]);
+    }
+  };
+
+  L.LatLngBounds.prototype = {
+    // extend the bounds to contain the given point or bounds
+    extend: function (obj) { // (LatLng) or (LatLngBounds)
+      if (!obj) { return this; }
+
+      var latLng = L.latLng(obj);
+      if (latLng !== null) {
+        obj = latLng;
+      } else {
+        obj = L.latLngBounds(obj);
+      }
+
+      if (obj instanceof L.LatLng) {
+        if (!this._southWest && !this._northEast) {
+          this._southWest = new L.LatLng(obj.lat, obj.lng);
+          this._northEast = new L.LatLng(obj.lat, obj.lng);
+        } else {
+          this._southWest.lat = Math.min(obj.lat, this._southWest.lat);
+          this._southWest.lng = Math.min(obj.lng, this._southWest.lng);
+
+          this._northEast.lat = Math.max(obj.lat, this._northEast.lat);
+          this._northEast.lng = Math.max(obj.lng, this._northEast.lng);
+        }
+      } else if (obj instanceof L.LatLngBounds) {
+        this.extend(obj._southWest);
+        this.extend(obj._northEast);
+      }
+      return this;
+    },
+
+    // extend the bounds by a percentage
+    pad: function (bufferRatio) { // (Number) -> LatLngBounds
+      var sw = this._southWest,
+        ne = this._northEast,
+        heightBuffer = Math.abs(sw.lat - ne.lat) * bufferRatio,
+        widthBuffer = Math.abs(sw.lng - ne.lng) * bufferRatio;
+
+      return new L.LatLngBounds(
+        new L.LatLng(sw.lat - heightBuffer, sw.lng - widthBuffer),
+        new L.LatLng(ne.lat + heightBuffer, ne.lng + widthBuffer));
+    },
+
+    getCenter: function () { // -> LatLng
+      return new L.LatLng(
+        (this._southWest.lat + this._northEast.lat) / 2,
+        (this._southWest.lng + this._northEast.lng) / 2);
+    },
+
+    getSouthWest: function () {
+      return this._southWest;
+    },
+
+    getNorthEast: function () {
+      return this._northEast;
+    },
+
+    getNorthWest: function () {
+      return new L.LatLng(this.getNorth(), this.getWest());
+    },
+
+    getSouthEast: function () {
+      return new L.LatLng(this.getSouth(), this.getEast());
+    },
+
+    getWest: function () {
+      return this._southWest.lng;
+    },
+
+    getSouth: function () {
+      return this._southWest.lat;
+    },
+
+    getEast: function () {
+      return this._northEast.lng;
+    },
+
+    getNorth: function () {
+      return this._northEast.lat;
+    },
+
+    contains: function (obj) { // (LatLngBounds) or (LatLng) -> Boolean
+      if (typeof obj[0] === 'number' || obj instanceof L.LatLng) {
+        obj = L.latLng(obj);
+      } else {
+        obj = L.latLngBounds(obj);
+      }
+
+      var sw = this._southWest,
+        ne = this._northEast,
+        sw2, ne2;
+
+      if (obj instanceof L.LatLngBounds) {
+        sw2 = obj.getSouthWest();
+        ne2 = obj.getNorthEast();
+      } else {
+        sw2 = ne2 = obj;
+      }
+
+      return (sw2.lat >= sw.lat) && (ne2.lat <= ne.lat) &&
+        (sw2.lng >= sw.lng) && (ne2.lng <= ne.lng);
+    },
+
+    intersects: function (bounds) { // (LatLngBounds)
+      bounds = L.latLngBounds(bounds);
+
+      var sw = this._southWest,
+        ne = this._northEast,
+        sw2 = bounds.getSouthWest(),
+        ne2 = bounds.getNorthEast(),
+
+        latIntersects = (ne2.lat >= sw.lat) && (sw2.lat <= ne.lat),
+        lngIntersects = (ne2.lng >= sw.lng) && (sw2.lng <= ne.lng);
+
+      return latIntersects && lngIntersects;
+    },
+
+    toBBoxString: function () {
+      return [this.getWest(), this.getSouth(), this.getEast(), this.getNorth()].join(',');
+    },
+
+    equals: function (bounds) { // (LatLngBounds)
+      if (!bounds) { return false; }
+
+      bounds = L.latLngBounds(bounds);
+
+      return this._southWest.equals(bounds.getSouthWest()) &&
+        this._northEast.equals(bounds.getNorthEast());
+    },
+
+    isValid: function () {
+      return !!(this._southWest && this._northEast);
+    }
+  };
+
+//TODO International date line?
+
+  L.latLngBounds = function (a, b) { // (LatLngBounds) or (LatLng, LatLng)
+    if (!a || a instanceof L.LatLngBounds) {
+      return a;
+    }
+    return new L.LatLngBounds(a, b);
+  };
+
+
+  /*
+ * L.Projection contains various geographical projections used by CRS classes.
+ */
+
+  L.Projection = {};
+
+
+  /*
+ * Spherical Mercator is the most popular map projection, used by EPSG:3857 CRS used by default.
+ */
+
+  L.Projection.SphericalMercator = {
+    MAX_LATITUDE: 85.0511287798,
+
+    project: function (latlng) { // (LatLng) -> Point
+      var d = L.LatLng.DEG_TO_RAD,
+        max = this.MAX_LATITUDE,
+        lat = Math.max(Math.min(max, latlng.lat), -max),
+        x = latlng.lng * d,
+        y = lat * d;
+
+      y = Math.log(Math.tan((Math.PI / 4) + (y / 2)));
+
+      return new L.Point(x, y);
+    },
+
+    unproject: function (point) { // (Point, Boolean) -> LatLng
+      var d = L.LatLng.RAD_TO_DEG,
+        lng = point.x * d,
+        lat = (2 * Math.atan(Math.exp(point.y)) - (Math.PI / 2)) * d;
+
+      return new L.LatLng(lat, lng);
+    }
+  };
+
+
+  /*
+ * Simple equirectangular (Plate Carree) projection, used by CRS like EPSG:4326 and Simple.
+ */
+
+  L.Projection.LonLat = {
+    project: function (latlng) {
+      return new L.Point(latlng.lng, latlng.lat);
+    },
+
+    unproject: function (point) {
+      return new L.LatLng(point.y, point.x);
+    }
+  };
+
+
+  /*
+ * L.CRS is a base object for all defined CRS (Coordinate Reference Systems) in Leaflet.
+ */
+
+  L.CRS = {
+    latLngToPoint: function (latlng, zoom) { // (LatLng, Number) -> Point
+      var projectedPoint = this.projection.project(latlng),
+        scale = this.scale(zoom);
+
+      return this.transformation._transform(projectedPoint, scale);
+    },
+
+    pointToLatLng: function (point, zoom) { // (Point, Number[, Boolean]) -> LatLng
+      var scale = this.scale(zoom),
+        untransformedPoint = this.transformation.untransform(point, scale);
+
+      return this.projection.unproject(untransformedPoint);
+    },
+
+    project: function (latlng) {
+      return this.projection.project(latlng);
+    },
+
+    scale: function (zoom) {
+      return 256 * Math.pow(2, zoom);
+    },
+
+    getSize: function (zoom) {
+      var s = this.scale(zoom);
+      return L.point(s, s);
+    }
+  };
+
+
+  /*
+ * A simple CRS that can be used for flat non-Earth maps like panoramas or game maps.
+ */
+
+  L.CRS.Simple = L.extend({}, L.CRS, {
+    projection: L.Projection.LonLat,
+    transformation: new L.Transformation(1, 0, -1, 0),
+
+    scale: function (zoom) {
+      return Math.pow(2, zoom);
+    }
+  });
+
+
+  /*
+ * L.CRS.EPSG3857 (Spherical Mercator) is the most common CRS for web mapping
+ * and is used by Leaflet by default.
+ */
+
+  L.CRS.EPSG3857 = L.extend({}, L.CRS, {
+    code: 'EPSG:3857',
+
+    projection: L.Projection.SphericalMercator,
+    transformation: new L.Transformation(0.5 / Math.PI, 0.5, -0.5 / Math.PI, 0.5),
+
+    project: function (latlng) { // (LatLng) -> Point
+      var projectedPoint = this.projection.project(latlng),
+        earthRadius = 6378137;
+      return projectedPoint.multiplyBy(earthRadius);
+    }
+  });
+
+  L.CRS.EPSG900913 = L.extend({}, L.CRS.EPSG3857, {
+    code: 'EPSG:900913'
+  });
+
+
+  /*
+ * L.CRS.EPSG4326 is a CRS popular among advanced GIS specialists.
+ */
+
+  L.CRS.EPSG4326 = L.extend({}, L.CRS, {
+    code: 'EPSG:4326',
+
+    projection: L.Projection.LonLat,
+    transformation: new L.Transformation(1 / 360, 0.5, -1 / 360, 0.5)
+  });
+
+
+  /*
+ * L.Map is the central class of the API - it is used to create a map.
+ */
+
+  L.Map = L.Class.extend({
+
+    includes: L.Mixin.Events,
+
+    options: {
+      crs: L.CRS.EPSG3857,
+
+      /*
+		center: LatLng,
+		zoom: Number,
+		layers: Array,
+		*/
+
+      fadeAnimation: L.DomUtil.TRANSITION && !L.Browser.android23,
+      trackResize: true,
+      markerZoomAnimation: L.DomUtil.TRANSITION && L.Browser.any3d
+    },
+
+    initialize: function (id, options) { // (HTMLElement or String, Object)
+      options = L.setOptions(this, options);
+
+
+      this._initContainer(id);
+      this._initLayout();
+
+      // hack for https://github.com/Leaflet/Leaflet/issues/1980
+      this._onResize = L.bind(this._onResize, this);
+
+      this._initEvents();
+
+      if (options.maxBounds) {
+        this.setMaxBounds(options.maxBounds);
+      }
+
+      if (options.center && options.zoom !== undefined) {
+        this.setView(L.latLng(options.center), options.zoom, {reset: true});
+      }
+
+      this._handlers = [];
+
+      this._layers = {};
+      this._zoomBoundLayers = {};
+      this._tileLayersNum = 0;
+
+      this.callInitHooks();
+
+      this._addLayers(options.layers);
+    },
+
+
+    // public methods that modify map state
+
+    // replaced by animation-powered implementation in Map.PanAnimation.js
+    setView: function (center, zoom) {
+      zoom = zoom === undefined ? this.getZoom() : zoom;
+      this._resetView(L.latLng(center), this._limitZoom(zoom));
+      return this;
+    },
+
+    setZoom: function (zoom, options) {
+      if (!this._loaded) {
+        this._zoom = this._limitZoom(zoom);
+        return this;
+      }
+      return this.setView(this.getCenter(), zoom, {zoom: options});
+    },
+
+    zoomIn: function (delta, options) {
+      return this.setZoom(this._zoom + (delta || 1), options);
+    },
+
+    zoomOut: function (delta, options) {
+      return this.setZoom(this._zoom - (delta || 1), options);
+    },
+
+    setZoomAround: function (latlng, zoom, options) {
+      var scale = this.getZoomScale(zoom),
+        viewHalf = this.getSize().divideBy(2),
+        containerPoint = latlng instanceof L.Point ? latlng : this.latLngToContainerPoint(latlng),
+
+        centerOffset = containerPoint.subtract(viewHalf).multiplyBy(1 - 1 / scale),
+        newCenter = this.containerPointToLatLng(viewHalf.add(centerOffset));
+
+      return this.setView(newCenter, zoom, {zoom: options});
+    },
+
+    fitBounds: function (bounds, options) {
+
+      options = options || {};
+      bounds = bounds.getBounds ? bounds.getBounds() : L.latLngBounds(bounds);
+
+      var paddingTL = L.point(options.paddingTopLeft || options.padding || [0, 0]),
+        paddingBR = L.point(options.paddingBottomRight || options.padding || [0, 0]),
+
+        zoom = this.getBoundsZoom(bounds, false, paddingTL.add(paddingBR));
+
+      zoom = (options.maxZoom) ? Math.min(options.maxZoom, zoom) : zoom;
+
+      var paddingOffset = paddingBR.subtract(paddingTL).divideBy(2),
+
+        swPoint = this.project(bounds.getSouthWest(), zoom),
+        nePoint = this.project(bounds.getNorthEast(), zoom),
+        center = this.unproject(swPoint.add(nePoint).divideBy(2).add(paddingOffset), zoom);
+
+      return this.setView(center, zoom, options);
+    },
+
+    fitWorld: function (options) {
+      return this.fitBounds([[-90, -180], [90, 180]], options);
+    },
+
+    panTo: function (center, options) { // (LatLng)
+      return this.setView(center, this._zoom, {pan: options});
+    },
+
+    panBy: function (offset) { // (Point)
+      // replaced with animated panBy in Map.PanAnimation.js
+      this.fire('movestart');
+
+      this._rawPanBy(L.point(offset));
+
+      this.fire('move');
+      return this.fire('moveend');
+    },
+
+    setMaxBounds: function (bounds) {
+      bounds = L.latLngBounds(bounds);
+
+      this.options.maxBounds = bounds;
+
+      if (!bounds) {
+        return this.off('moveend', this._panInsideMaxBounds, this);
+      }
+
+      if (this._loaded) {
+        this._panInsideMaxBounds();
+      }
+
+      return this.on('moveend', this._panInsideMaxBounds, this);
+    },
+
+    panInsideBounds: function (bounds, options) {
+      var center = this.getCenter(),
+        newCenter = this._limitCenter(center, this._zoom, bounds);
+
+      if (center.equals(newCenter)) { return this; }
+
+      return this.panTo(newCenter, options);
+    },
+
+    addLayer: function (layer) {
+      // TODO method is too big, refactor
+
+      var id = L.stamp(layer);
+
+      if (this._layers[id]) { return this; }
+
+      this._layers[id] = layer;
+
+      // TODO getMaxZoom, getMinZoom in ILayer (instead of options)
+      if (layer.options && (!isNaN(layer.options.maxZoom) || !isNaN(layer.options.minZoom))) {
+        this._zoomBoundLayers[id] = layer;
+        this._updateZoomLevels();
+      }
+
+      // TODO looks ugly, refactor!!!
+      if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
+        this._tileLayersNum++;
+        this._tileLayersToLoad++;
+        layer.on('load', this._onTileLayerLoad, this);
+      }
+
+      if (this._loaded) {
+        this._layerAdd(layer);
+      }
+
+      return this;
+    },
+
+    removeLayer: function (layer) {
+      var id = L.stamp(layer);
+
+      if (!this._layers[id]) { return this; }
+
+      if (this._loaded) {
+        layer.onRemove(this);
+      }
+
+      delete this._layers[id];
+
+      if (this._loaded) {
+        this.fire('layerremove', {layer: layer});
+      }
+
+      if (this._zoomBoundLayers[id]) {
+        delete this._zoomBoundLayers[id];
+        this._updateZoomLevels();
+      }
+
+      // TODO looks ugly, refactor
+      if (this.options.zoomAnimation && L.TileLayer && (layer instanceof L.TileLayer)) {
+        this._tileLayersNum--;
+        this._tileLayersToLoad--;
+        layer.off('load', this._onTileLayerLoad, this);
+      }
+
+      return this;
+    },
+
+    hasLayer: function (layer) {
+      if (!layer) { return false; }
+
+      return (L.stamp(layer) in this._layers);
+    },
+
+    eachLayer: function (method, context) {
+      for (var i in this._layers) {
+        method.call(context, this._layers[i]);
+      }
+      return this;
+    },
+
+    invalidateSize: function (options) {
+      if (!this._loaded) { return this; }
+
+      options = L.extend({
+        animate: false,
+        pan: true
+      }, options === true ? {animate: true} : options);
+
+      var oldSize = this.getSize();
+      this._sizeChanged = true;
+      this._initialCenter = null;
+
+      var newSize = this.getSize(),
+        oldCenter = oldSize.divideBy(2).round(),
+        newCenter = newSize.divideBy(2).round(),
+        offset = oldCenter.subtract(newCenter);
+
+      if (!offset.x && !offset.y) { return this; }
+
+      if (options.animate && options.pan) {
+        this.panBy(offset);
+
+      } else {
+        if (options.pan) {
+          this._rawPanBy(offset);
+        }
+
+        this.fire('move');
+
+        if (options.debounceMoveend) {
+          clearTimeout(this._sizeTimer);
+          this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
+        } else {
+          this.fire('moveend');
+        }
+      }
+
+      return this.fire('resize', {
+        oldSize: oldSize,
+        newSize: newSize
+      });
+    },
+
+    // TODO handler.addTo
+    addHandler: function (name, HandlerClass) {
+      if (!HandlerClass) { return this; }
+
+      var handler = this[name] = new HandlerClass(this);
+
+      this._handlers.push(handler);
+
+      if (this.options[name]) {
+        handler.enable();
+      }
+
+      return this;
+    },
+
+    remove: function () {
+      if (this._loaded) {
+        this.fire('unload');
+      }
+
+      this._initEvents('off');
+
+      try {
+        // throws error in IE6-8
+        delete this._container._leaflet;
+      } catch (e) {
+        this._container._leaflet = undefined;
+      }
+
+      this._clearPanes();
+      if (this._clearControlPos) {
+        this._clearControlPos();
+      }
+
+      this._clearHandlers();
+
+      return this;
+    },
+
+
+    // public methods for getting map state
+
+    getCenter: function () { // (Boolean) -> LatLng
+      this._checkIfLoaded();
+
+      if (this._initialCenter && !this._moved()) {
+        return this._initialCenter;
+      }
+      return this.layerPointToLatLng(this._getCenterLayerPoint());
+    },
+
+    getZoom: function () {
+      return this._zoom;
+    },
+
+    getBounds: function () {
+      var bounds = this.getPixelBounds(),
+        sw = this.unproject(bounds.getBottomLeft()),
+        ne = this.unproject(bounds.getTopRight());
+
+      return new L.LatLngBounds(sw, ne);
+    },
+
+    getMinZoom: function () {
+      return this.options.minZoom === undefined ?
+        (this._layersMinZoom === undefined ? 0 : this._layersMinZoom) :
+        this.options.minZoom;
+    },
+
+    getMaxZoom: function () {
+      return this.options.maxZoom === undefined ?
+        (this._layersMaxZoom === undefined ? Infinity : this._layersMaxZoom) :
+        this.options.maxZoom;
+    },
+
+    getBoundsZoom: function (bounds, inside, padding) { // (LatLngBounds[, Boolean, Point]) -> Number
+      bounds = L.latLngBounds(bounds);
+
+      var zoom = this.getMinZoom() - (inside ? 1 : 0),
+        maxZoom = this.getMaxZoom(),
+        size = this.getSize(),
+
+        nw = bounds.getNorthWest(),
+        se = bounds.getSouthEast(),
+
+        zoomNotFound = true,
+        boundsSize;
+
+      padding = L.point(padding || [0, 0]);
+
+      do {
+        zoom++;
+        boundsSize = this.project(se, zoom).subtract(this.project(nw, zoom)).add(padding);
+        zoomNotFound = !inside ? size.contains(boundsSize) : boundsSize.x < size.x || boundsSize.y < size.y;
+
+      } while (zoomNotFound && zoom <= maxZoom);
+
+      if (zoomNotFound && inside) {
+        return null;
+      }
+
+      return inside ? zoom : zoom - 1;
+    },
+
+    getSize: function () {
+      if (!this._size || this._sizeChanged) {
+        this._size = new L.Point(
+          this._container.clientWidth,
+          this._container.clientHeight);
+
+        this._sizeChanged = false;
+      }
+      return this._size.clone();
+    },
+
+    getPixelBounds: function () {
+      var topLeftPoint = this._getTopLeftPoint();
+      return new L.Bounds(topLeftPoint, topLeftPoint.add(this.getSize()));
+    },
+
+    getPixelOrigin: function () {
+      this._checkIfLoaded();
+      return this._initialTopLeftPoint;
+    },
+
+    getPanes: function () {
+      return this._panes;
+    },
+
+    getContainer: function () {
+      return this._container;
+    },
+
+
+    // TODO replace with universal implementation after refactoring projections
+
+    getZoomScale: function (toZoom) {
+      var crs = this.options.crs;
+      return crs.scale(toZoom) / crs.scale(this._zoom);
+    },
+
+    getScaleZoom: function (scale) {
+      return this._zoom + (Math.log(scale) / Math.LN2);
+    },
+
+
+    // conversion methods
+
+    project: function (latlng, zoom) { // (LatLng[, Number]) -> Point
+      zoom = zoom === undefined ? this._zoom : zoom;
+      return this.options.crs.latLngToPoint(L.latLng(latlng), zoom);
+    },
+
+    unproject: function (point, zoom) { // (Point[, Number]) -> LatLng
+      zoom = zoom === undefined ? this._zoom : zoom;
+      return this.options.crs.pointToLatLng(L.point(point), zoom);
+    },
+
+    layerPointToLatLng: function (point) { // (Point)
+      var projectedPoint = L.point(point).add(this.getPixelOrigin());
+      return this.unproject(projectedPoint);
+    },
+
+    latLngToLayerPoint: function (latlng) { // (LatLng)
+      var projectedPoint = this.project(L.latLng(latlng))._round();
+      return projectedPoint._subtract(this.getPixelOrigin());
+    },
+
+    containerPointToLayerPoint: function (point) { // (Point)
+      return L.point(point).subtract(this._getMapPanePos());
+    },
+
+    layerPointToContainerPoint: function (point) { // (Point)
+      return L.point(point).add(this._getMapPanePos());
+    },
+
+    containerPointToLatLng: function (point) {
+      var layerPoint = this.containerPointToLayerPoint(L.point(point));
+      return this.layerPointToLatLng(layerPoint);
+    },
+
+    latLngToContainerPoint: function (latlng) {
+      return this.layerPointToContainerPoint(this.latLngToLayerPoint(L.latLng(latlng)));
+    },
+
+    mouseEventToContainerPoint: function (e) { // (MouseEvent)
+      return L.DomEvent.getMousePosition(e, this._container);
+    },
+
+    mouseEventToLayerPoint: function (e) { // (MouseEvent)
+      return this.containerPointToLayerPoint(this.mouseEventToContainerPoint(e));
+    },
+
+    mouseEventToLatLng: function (e) { // (MouseEvent)
+      return this.layerPointToLatLng(this.mouseEventToLayerPoint(e));
+    },
+
+
+    // map initialization methods
+
+    _initContainer: function (id) {
+      var container = this._container = L.DomUtil.get(id);
+
+      if (!container) {
+        throw new Error('Map container not found.');
+      } else if (container._leaflet) {
+        throw new Error('Map container is already initialized.');
+      }
+
+      container._leaflet = true;
+    },
+
+    _initLayout: function () {
+      var container = this._container;
+
+      L.DomUtil.addClass(container, 'leaflet-container' +
+        (L.Browser.touch ? ' leaflet-touch' : '') +
+        (L.Browser.retina ? ' leaflet-retina' : '') +
+        (L.Browser.ielt9 ? ' leaflet-oldie' : '') +
+        (this.options.fadeAnimation ? ' leaflet-fade-anim' : ''));
+
+      var position = L.DomUtil.getStyle(container, 'position');
+
+      if (position !== 'absolute' && position !== 'relative' && position !== 'fixed') {
+        container.style.position = 'relative';
+      }
+
+      this._initPanes();
+
+      if (this._initControlPos) {
+        this._initControlPos();
+      }
+    },
+
+    _initPanes: function () {
+      var panes = this._panes = {};
+
+      this._mapPane = panes.mapPane = this._createPane('leaflet-map-pane', this._container);
+
+      this._tilePane = panes.tilePane = this._createPane('leaflet-tile-pane', this._mapPane);
+      panes.objectsPane = this._createPane('leaflet-objects-pane', this._mapPane);
+      panes.shadowPane = this._createPane('leaflet-shadow-pane');
+      panes.overlayPane = this._createPane('leaflet-overlay-pane');
+      panes.markerPane = this._createPane('leaflet-marker-pane');
+      panes.popupPane = this._createPane('leaflet-popup-pane');
+
+      var zoomHide = ' leaflet-zoom-hide';
+
+      if (!this.options.markerZoomAnimation) {
+        L.DomUtil.addClass(panes.markerPane, zoomHide);
+        L.DomUtil.addClass(panes.shadowPane, zoomHide);
+        L.DomUtil.addClass(panes.popupPane, zoomHide);
+      }
+    },
+
+    _createPane: function (className, container) {
+      return L.DomUtil.create('div', className, container || this._panes.objectsPane);
+    },
+
+    _clearPanes: function () {
+      this._container.removeChild(this._mapPane);
+    },
+
+    _addLayers: function (layers) {
+      layers = layers ? (L.Util.isArray(layers) ? layers : [layers]) : [];
+
+      for (var i = 0, len = layers.length; i < len; i++) {
+        this.addLayer(layers[i]);
+      }
+    },
+
+
+    // private methods that modify map state
+
+    _resetView: function (center, zoom, preserveMapOffset, afterZoomAnim) {
+
+      var zoomChanged = (this._zoom !== zoom);
+
+      if (!afterZoomAnim) {
+        this.fire('movestart');
+
+        if (zoomChanged) {
+          this.fire('zoomstart');
+        }
+      }
+
+      this._zoom = zoom;
+      this._initialCenter = center;
+
+      this._initialTopLeftPoint = this._getNewTopLeftPoint(center);
+
+      if (!preserveMapOffset) {
+        L.DomUtil.setPosition(this._mapPane, new L.Point(0, 0));
+      } else {
+        this._initialTopLeftPoint._add(this._getMapPanePos());
+      }
+
+      this._tileLayersToLoad = this._tileLayersNum;
+
+      var loading = !this._loaded;
+      this._loaded = true;
+
+      this.fire('viewreset', {hard: !preserveMapOffset});
+
+      if (loading) {
+        this.fire('load');
+        this.eachLayer(this._layerAdd, this);
+      }
+
+      this.fire('move');
+
+      if (zoomChanged || afterZoomAnim) {
+        this.fire('zoomend');
+      }
+
+      this.fire('moveend', {hard: !preserveMapOffset});
+    },
+
+    _rawPanBy: function (offset) {
+      L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
+    },
+
+    _getZoomSpan: function () {
+      return this.getMaxZoom() - this.getMinZoom();
+    },
+
+    _updateZoomLevels: function () {
+      var i,
+        minZoom = Infinity,
+        maxZoom = -Infinity,
+        oldZoomSpan = this._getZoomSpan();
+
+      for (i in this._zoomBoundLayers) {
+        var layer = this._zoomBoundLayers[i];
+        if (!isNaN(layer.options.minZoom)) {
+          minZoom = Math.min(minZoom, layer.options.minZoom);
+        }
+        if (!isNaN(layer.options.maxZoom)) {
+          maxZoom = Math.max(maxZoom, layer.options.maxZoom);
+        }
+      }
+
+      if (i === undefined) { // we have no tilelayers
+        this._layersMaxZoom = this._layersMinZoom = undefined;
+      } else {
+        this._layersMaxZoom = maxZoom;
+        this._layersMinZoom = minZoom;
+      }
+
+      if (oldZoomSpan !== this._getZoomSpan()) {
+        this.fire('zoomlevelschange');
+      }
+    },
+
+    _panInsideMaxBounds: function () {
+      this.panInsideBounds(this.options.maxBounds);
+    },
+
+    _checkIfLoaded: function () {
+      if (!this._loaded) {
+        throw new Error('Set map center and zoom first.');
+      }
+    },
+
+    // map events
+
+    _initEvents: function (onOff) {
+      if (!L.DomEvent) { return; }
+
+      onOff = onOff || 'on';
+
+      L.DomEvent[onOff](this._container, 'click', this._onMouseClick, this);
+
+      var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
+          'mouseleave', 'mousemove', 'contextmenu'],
+        i, len;
+
+      for (i = 0, len = events.length; i < len; i++) {
+        L.DomEvent[onOff](this._container, events[i], this._fireMouseEvent, this);
+      }
+
+      if (this.options.trackResize) {
+        L.DomEvent[onOff](window, 'resize', this._onResize, this);
+      }
+    },
+
+    _onResize: function () {
+      L.Util.cancelAnimFrame(this._resizeRequest);
+      this._resizeRequest = L.Util.requestAnimFrame(
+        function () { this.invalidateSize({debounceMoveend: true}); }, this, false, this._container);
+    },
+
+    _onMouseClick: function (e) {
+      if (!this._loaded || (!e._simulated &&
+        ((this.dragging && this.dragging.moved()) ||
+          (this.boxZoom  && this.boxZoom.moved()))) ||
+        L.DomEvent._skipped(e)) { return; }
+
+      this.fire('preclick');
+      this._fireMouseEvent(e);
+    },
+
+    _fireMouseEvent: function (e) {
+      if (!this._loaded || L.DomEvent._skipped(e)) { return; }
+
+      var type = e.type;
+
+      type = (type === 'mouseenter' ? 'mouseover' : (type === 'mouseleave' ? 'mouseout' : type));
+
+      if (!this.hasEventListeners(type)) { return; }
+
+      if (type === 'contextmenu') {
+        L.DomEvent.preventDefault(e);
+      }
+
+      var containerPoint = this.mouseEventToContainerPoint(e),
+        layerPoint = this.containerPointToLayerPoint(containerPoint),
+        latlng = this.layerPointToLatLng(layerPoint);
+
+      this.fire(type, {
+        latlng: latlng,
+        layerPoint: layerPoint,
+        containerPoint: containerPoint,
+        originalEvent: e
+      });
+    },
+
+    _onTileLayerLoad: function () {
+      this._tileLayersToLoad--;
+      if (this._tileLayersNum && !this._tileLayersToLoad) {
+        this.fire('tilelayersload');
+      }
+    },
+
+    _clearHandlers: function () {
+      for (var i = 0, len = this._handlers.length; i < len; i++) {
+        this._handlers[i].disable();
+      }
+    },
+
+    whenReady: function (callback, context) {
+      if (this._loaded) {
+        callback.call(context || this, this);
+      } else {
+        this.on('load', callback, context);
+      }
+      return this;
+    },
+
+    _layerAdd: function (layer) {
+      layer.onAdd(this);
+      this.fire('layeradd', {layer: layer});
+    },
+
+
+    // private methods for getting map state
+
+    _getMapPanePos: function () {
+      return L.DomUtil.getPosition(this._mapPane);
+    },
+
+    _moved: function () {
+      var pos = this._getMapPanePos();
+      return pos && !pos.equals([0, 0]);
+    },
+
+    _getTopLeftPoint: function () {
+      return this.getPixelOrigin().subtract(this._getMapPanePos());
+    },
+
+    _getNewTopLeftPoint: function (center, zoom) {
+      var viewHalf = this.getSize()._divideBy(2);
+      // TODO round on display, not calculation to increase precision?
+      return this.project(center, zoom)._subtract(viewHalf)._round();
+    },
+
+    _latLngToNewLayerPoint: function (latlng, newZoom, newCenter) {
+      var topLeft = this._getNewTopLeftPoint(newCenter, newZoom).add(this._getMapPanePos());
+      return this.project(latlng, newZoom)._subtract(topLeft);
+    },
+
+    // layer point of the current center
+    _getCenterLayerPoint: function () {
+      return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
+    },
+
+    // offset of the specified place to the current center in pixels
+    _getCenterOffset: function (latlng) {
+      return this.latLngToLayerPoint(latlng).subtract(this._getCenterLayerPoint());
+    },
+
+    // adjust center for view to get inside bounds
+    _limitCenter: function (center, zoom, bounds) {
+
+      if (!bounds) { return center; }
+
+      var centerPoint = this.project(center, zoom),
+        viewHalf = this.getSize().divideBy(2),
+        viewBounds = new L.Bounds(centerPoint.subtract(viewHalf), centerPoint.add(viewHalf)),
+        offset = this._getBoundsOffset(viewBounds, bounds, zoom);
+
+      return this.unproject(centerPoint.add(offset), zoom);
+    },
+
+    // adjust offset for view to get inside bounds
+    _limitOffset: function (offset, bounds) {
+      if (!bounds) { return offset; }
+
+      var viewBounds = this.getPixelBounds(),
+        newBounds = new L.Bounds(viewBounds.min.add(offset), viewBounds.max.add(offset));
+
+      return offset.add(this._getBoundsOffset(newBounds, bounds));
+    },
+
+    // returns offset needed for pxBounds to get inside maxBounds at a specified zoom
+    _getBoundsOffset: function (pxBounds, maxBounds, zoom) {
+      var nwOffset = this.project(maxBounds.getNorthWest(), zoom).subtract(pxBounds.min),
+        seOffset = this.project(maxBounds.getSouthEast(), zoom).subtract(pxBounds.max),
+
+        dx = this._rebound(nwOffset.x, -seOffset.x),
+        dy = this._rebound(nwOffset.y, -seOffset.y);
+
+      return new L.Point(dx, dy);
+    },
+
+    _rebound: function (left, right) {
+      return left + right > 0 ?
+        Math.round(left - right) / 2 :
+        Math.max(0, Math.ceil(left)) - Math.max(0, Math.floor(right));
+    },
+
+    _limitZoom: function (zoom) {
+      var min = this.getMinZoom(),
+        max = this.getMaxZoom();
+
+      return Math.max(min, Math.min(max, zoom));
+    }
+  });
+
+  L.map = function (id, options) {
+    return new L.Map(id, options);
+  };
+
+
+  /*
+ * Mercator projection that takes into account that the Earth is not a perfect sphere.
+ * Less popular than spherical mercator; used by projections like EPSG:3395.
+ */
+
+  L.Projection.Mercator = {
+    MAX_LATITUDE: 85.0840591556,
+
+    R_MINOR: 6356752.314245179,
+    R_MAJOR: 6378137,
+
+    project: function (latlng) { // (LatLng) -> Point
+      var d = L.LatLng.DEG_TO_RAD,
+        max = this.MAX_LATITUDE,
+        lat = Math.max(Math.min(max, latlng.lat), -max),
+        r = this.R_MAJOR,
+        r2 = this.R_MINOR,
+        x = latlng.lng * d * r,
+        y = lat * d,
+        tmp = r2 / r,
+        eccent = Math.sqrt(1.0 - tmp * tmp),
+        con = eccent * Math.sin(y);
+
+      con = Math.pow((1 - con) / (1 + con), eccent * 0.5);
+
+      var ts = Math.tan(0.5 * ((Math.PI * 0.5) - y)) / con;
+      y = -r * Math.log(ts);
+
+      return new L.Point(x, y);
+    },
+
+    unproject: function (point) { // (Point, Boolean) -> LatLng
+      var d = L.LatLng.RAD_TO_DEG,
+        r = this.R_MAJOR,
+        r2 = this.R_MINOR,
+        lng = point.x * d / r,
+        tmp = r2 / r,
+        eccent = Math.sqrt(1 - (tmp * tmp)),
+        ts = Math.exp(- point.y / r),
+        phi = (Math.PI / 2) - 2 * Math.atan(ts),
+        numIter = 15,
+        tol = 1e-7,
+        i = numIter,
+        dphi = 0.1,
+        con;
+
+      while ((Math.abs(dphi) > tol) && (--i > 0)) {
+        con = eccent * Math.sin(phi);
+        dphi = (Math.PI / 2) - 2 * Math.atan(ts *
+          Math.pow((1.0 - con) / (1.0 + con), 0.5 * eccent)) - phi;
+        phi += dphi;
+      }
+
+      return new L.LatLng(phi * d, lng);
+    }
+  };
+
+
+
+  L.CRS.EPSG3395 = L.extend({}, L.CRS, {
+    code: 'EPSG:3395',
+
+    projection: L.Projection.Mercator,
+
+    transformation: (function () {
+      var m = L.Projection.Mercator,
+        r = m.R_MAJOR,
+        scale = 0.5 / (Math.PI * r);
+
+      return new L.Transformation(scale, 0.5, -scale, 0.5);
+    }())
+  });
+
+
+  /*
+ * L.TileLayer is used for standard xyz-numbered tile layers.
+ */
+
+  L.TileLayer = L.Class.extend({
+    includes: L.Mixin.Events,
+
+    options: {
+      minZoom: 0,
+      maxZoom: 18,
+      tileSize: 256,
+      subdomains: 'abc',
+      errorTileUrl: '',
+      attribution: '',
+      zoomOffset: 0,
+      opacity: 1,
+      /*
+		maxNativeZoom: null,
+		zIndex: null,
+		tms: false,
+		continuousWorld: false,
+		noWrap: false,
+		zoomReverse: false,
+		detectRetina: false,
+		reuseTiles: false,
+		bounds: false,
+		*/
+      unloadInvisibleTiles: L.Browser.mobile,
+      updateWhenIdle: L.Browser.mobile
+    },
+
+    initialize: function (url, options) {
+      options = L.setOptions(this, options);
+
+      // detecting retina displays, adjusting tileSize and zoom levels
+      if (options.detectRetina && L.Browser.retina && options.maxZoom > 0) {
+
+        options.tileSize = Math.floor(options.tileSize / 2);
+        options.zoomOffset++;
+
+        if (options.minZoom > 0) {
+          options.minZoom--;
+        }
+        this.options.maxZoom--;
+      }
+
+      if (options.bounds) {
+        options.bounds = L.latLngBounds(options.bounds);
+      }
+
+      this._url = url;
+
+      var subdomains = this.options.subdomains;
+
+      if (typeof subdomains === 'string') {
+        this.options.subdomains = subdomains.split('');
+      }
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+      this._animated = map._zoomAnimated;
+
+      // create a container div for tiles
+      this._initContainer();
+
+      // set up events
+      map.on({
+        'viewreset': this._reset,
+        'moveend': this._update
+      }, this);
+
+      if (this._animated) {
+        map.on({
+          'zoomanim': this._animateZoom,
+          'zoomend': this._endZoomAnim
+        }, this);
+      }
+
+      if (!this.options.updateWhenIdle) {
+        this._limitedUpdate = L.Util.limitExecByInterval(this._update, 150, this);
+        map.on('move', this._limitedUpdate, this);
+      }
+
+      this._reset();
+      this._update();
+    },
+
+    addTo: function (map) {
+      map.addLayer(this);
+      return this;
+    },
+
+    onRemove: function (map) {
+      this._container.parentNode.removeChild(this._container);
+
+      map.off({
+        'viewreset': this._reset,
+        'moveend': this._update
+      }, this);
+
+      if (this._animated) {
+        map.off({
+          'zoomanim': this._animateZoom,
+          'zoomend': this._endZoomAnim
+        }, this);
+      }
+
+      if (!this.options.updateWhenIdle) {
+        map.off('move', this._limitedUpdate, this);
+      }
+
+      this._container = null;
+      this._map = null;
+    },
+
+    bringToFront: function () {
+      var pane = this._map._panes.tilePane;
+
+      if (this._container) {
+        pane.appendChild(this._container);
+        this._setAutoZIndex(pane, Math.max);
+      }
+
+      return this;
+    },
+
+    bringToBack: function () {
+      var pane = this._map._panes.tilePane;
+
+      if (this._container) {
+        pane.insertBefore(this._container, pane.firstChild);
+        this._setAutoZIndex(pane, Math.min);
+      }
+
+      return this;
+    },
+
+    getAttribution: function () {
+      return this.options.attribution;
+    },
+
+    getContainer: function () {
+      return this._container;
+    },
+
+    setOpacity: function (opacity) {
+      this.options.opacity = opacity;
+
+      if (this._map) {
+        this._updateOpacity();
+      }
+
+      return this;
+    },
+
+    setZIndex: function (zIndex) {
+      this.options.zIndex = zIndex;
+      this._updateZIndex();
+
+      return this;
+    },
+
+    setUrl: function (url, noRedraw) {
+      this._url = url;
+
+      if (!noRedraw) {
+        this.redraw();
+      }
+
+      return this;
+    },
+
+    redraw: function () {
+      if (this._map) {
+        this._reset({hard: true});
+        this._update();
+      }
+      return this;
+    },
+
+    _updateZIndex: function () {
+      if (this._container && this.options.zIndex !== undefined) {
+        this._container.style.zIndex = this.options.zIndex;
+      }
+    },
+
+    _setAutoZIndex: function (pane, compare) {
+
+      var layers = pane.children,
+        edgeZIndex = -compare(Infinity, -Infinity), // -Infinity for max, Infinity for min
+        zIndex, i, len;
+
+      for (i = 0, len = layers.length; i < len; i++) {
+
+        if (layers[i] !== this._container) {
+          zIndex = parseInt(layers[i].style.zIndex, 10);
+
+          if (!isNaN(zIndex)) {
+            edgeZIndex = compare(edgeZIndex, zIndex);
+          }
+        }
+      }
+
+      this.options.zIndex = this._container.style.zIndex =
+        (isFinite(edgeZIndex) ? edgeZIndex : 0) + compare(1, -1);
+    },
+
+    _updateOpacity: function () {
+      var i,
+        tiles = this._tiles;
+
+      if (L.Browser.ielt9) {
+        for (i in tiles) {
+          L.DomUtil.setOpacity(tiles[i], this.options.opacity);
+        }
+      } else {
+        L.DomUtil.setOpacity(this._container, this.options.opacity);
+      }
+    },
+
+    _initContainer: function () {
+      var tilePane = this._map._panes.tilePane;
+
+      if (!this._container) {
+        this._container = L.DomUtil.create('div', 'leaflet-layer');
+
+        this._updateZIndex();
+
+        if (this._animated) {
+          var className = 'leaflet-tile-container';
+
+          this._bgBuffer = L.DomUtil.create('div', className, this._container);
+          this._tileContainer = L.DomUtil.create('div', className, this._container);
+
+        } else {
+          this._tileContainer = this._container;
+        }
+
+        tilePane.appendChild(this._container);
+
+        if (this.options.opacity < 1) {
+          this._updateOpacity();
+        }
+      }
+    },
+
+    _reset: function (e) {
+      for (var key in this._tiles) {
+        this.fire('tileunload', {tile: this._tiles[key]});
+      }
+
+      this._tiles = {};
+      this._tilesToLoad = 0;
+
+      if (this.options.reuseTiles) {
+        this._unusedTiles = [];
+      }
+
+      this._tileContainer.innerHTML = '';
+
+      if (this._animated && e && e.hard) {
+        this._clearBgBuffer();
+      }
+
+      this._initContainer();
+    },
+
+    _getTileSize: function () {
+      var map = this._map,
+        zoom = map.getZoom() + this.options.zoomOffset,
+        zoomN = this.options.maxNativeZoom,
+        tileSize = this.options.tileSize;
+
+      if (zoomN && zoom > zoomN) {
+        tileSize = Math.round(map.getZoomScale(zoom) / map.getZoomScale(zoomN) * tileSize);
+      }
+
+      return tileSize;
+    },
+
+    _update: function () {
+
+      if (!this._map) { return; }
+
+      var map = this._map,
+        bounds = map.getPixelBounds(),
+        zoom = map.getZoom(),
+        tileSize = this._getTileSize();
+
+      if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
+        return;
+      }
+
+      var tileBounds = L.bounds(
+        bounds.min.divideBy(tileSize)._floor(),
+        bounds.max.divideBy(tileSize)._floor());
+
+      this._addTilesFromCenterOut(tileBounds);
+
+      if (this.options.unloadInvisibleTiles || this.options.reuseTiles) {
+        this._removeOtherTiles(tileBounds);
+      }
+    },
+
+    _addTilesFromCenterOut: function (bounds) {
+      var queue = [],
+        center = bounds.getCenter();
+
+      var j, i, point;
+
+      for (j = bounds.min.y; j <= bounds.max.y; j++) {
+        for (i = bounds.min.x; i <= bounds.max.x; i++) {
+          point = new L.Point(i, j);
+
+          if (this._tileShouldBeLoaded(point)) {
+            queue.push(point);
+          }
+        }
+      }
+
+      var tilesToLoad = queue.length;
+
+      if (tilesToLoad === 0) { return; }
+
+      // load tiles in order of their distance to center
+      queue.sort(function (a, b) {
+        return a.distanceTo(center) - b.distanceTo(center);
+      });
+
+      var fragment = document.createDocumentFragment();
+
+      // if its the first batch of tiles to load
+      if (!this._tilesToLoad) {
+        this.fire('loading');
+      }
+
+      this._tilesToLoad += tilesToLoad;
+
+      for (i = 0; i < tilesToLoad; i++) {
+        this._addTile(queue[i], fragment);
+      }
+
+      this._tileContainer.appendChild(fragment);
+    },
+
+    _tileShouldBeLoaded: function (tilePoint) {
+      if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {
+        return false; // already loaded
+      }
+
+      var options = this.options;
+
+      if (!options.continuousWorld) {
+        var limit = this._getWrapTileNum();
+
+        // don't load if exceeds world bounds
+        if ((options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit.x)) ||
+          tilePoint.y < 0 || tilePoint.y >= limit.y) { return false; }
+      }
+
+      if (options.bounds) {
+        var tileSize = this._getTileSize(),
+          nwPoint = tilePoint.multiplyBy(tileSize),
+          sePoint = nwPoint.add([tileSize, tileSize]),
+          nw = this._map.unproject(nwPoint),
+          se = this._map.unproject(sePoint);
+
+        // TODO temporary hack, will be removed after refactoring projections
+        // https://github.com/Leaflet/Leaflet/issues/1618
+        if (!options.continuousWorld && !options.noWrap) {
+          nw = nw.wrap();
+          se = se.wrap();
+        }
+
+        if (!options.bounds.intersects([nw, se])) { return false; }
+      }
+
+      return true;
+    },
+
+    _removeOtherTiles: function (bounds) {
+      var kArr, x, y, key;
+
+      for (key in this._tiles) {
+        kArr = key.split(':');
+        x = parseInt(kArr[0], 10);
+        y = parseInt(kArr[1], 10);
+
+        // remove tile if it's out of bounds
+        if (x < bounds.min.x || x > bounds.max.x || y < bounds.min.y || y > bounds.max.y) {
+          this._removeTile(key);
+        }
+      }
+    },
+
+    _removeTile: function (key) {
+      var tile = this._tiles[key];
+
+      this.fire('tileunload', {tile: tile, url: tile.src});
+
+      if (this.options.reuseTiles) {
+        L.DomUtil.removeClass(tile, 'leaflet-tile-loaded');
+        this._unusedTiles.push(tile);
+
+      } else if (tile.parentNode === this._tileContainer) {
+        this._tileContainer.removeChild(tile);
+      }
+
+      // for https://github.com/CloudMade/Leaflet/issues/137
+      if (!L.Browser.android) {
+        tile.onload = null;
+        tile.src = L.Util.emptyImageUrl;
+      }
+
+      delete this._tiles[key];
+    },
+
+    _addTile: function (tilePoint, container) {
+      var tilePos = this._getTilePos(tilePoint);
+
+      // get unused tile - or create a new tile
+      var tile = this._getTile();
+
+      /*
+		Chrome 20 layouts much faster with top/left (verify with timeline, frames)
+		Android 4 browser has display issues with top/left and requires transform instead
+		(other browsers don't currently care) - see debug/hacks/jitter.html for an example
+		*/
+      L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome);
+
+      this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;
+
+      this._loadTile(tile, tilePoint);
+
+      if (tile.parentNode !== this._tileContainer) {
+        container.appendChild(tile);
+      }
+    },
+
+    _getZoomForUrl: function () {
+
+      var options = this.options,
+        zoom = this._map.getZoom();
+
+      if (options.zoomReverse) {
+        zoom = options.maxZoom - zoom;
+      }
+
+      zoom += options.zoomOffset;
+
+      return options.maxNativeZoom ? Math.min(zoom, options.maxNativeZoom) : zoom;
+    },
+
+    _getTilePos: function (tilePoint) {
+      var origin = this._map.getPixelOrigin(),
+        tileSize = this._getTileSize();
+
+      return tilePoint.multiplyBy(tileSize).subtract(origin);
+    },
+
+    // image-specific code (override to implement e.g. Canvas or SVG tile layer)
+
+    getTileUrl: function (tilePoint) {
+      return L.Util.template(this._url, L.extend({
+        s: this._getSubdomain(tilePoint),
+        z: tilePoint.z,
+        x: tilePoint.x,
+        y: tilePoint.y
+      }, this.options));
+    },
+
+    _getWrapTileNum: function () {
+      var crs = this._map.options.crs,
+        size = crs.getSize(this._map.getZoom());
+      return size.divideBy(this._getTileSize())._floor();
+    },
+
+    _adjustTilePoint: function (tilePoint) {
+
+      var limit = this._getWrapTileNum();
+
+      // wrap tile coordinates
+      if (!this.options.continuousWorld && !this.options.noWrap) {
+        tilePoint.x = ((tilePoint.x % limit.x) + limit.x) % limit.x;
+      }
+
+      if (this.options.tms) {
+        tilePoint.y = limit.y - tilePoint.y - 1;
+      }
+
+      tilePoint.z = this._getZoomForUrl();
+    },
+
+    _getSubdomain: function (tilePoint) {
+      var index = Math.abs(tilePoint.x + tilePoint.y) % this.options.subdomains.length;
+      return this.options.subdomains[index];
+    },
+
+    _getTile: function () {
+      if (this.options.reuseTiles && this._unusedTiles.length > 0) {
+        var tile = this._unusedTiles.pop();
+        this._resetTile(tile);
+        return tile;
+      }
+      return this._createTile();
+    },
+
+    // Override if data stored on a tile needs to be cleaned up before reuse
+    _resetTile: function (/*tile*/) {},
+
+    _createTile: function () {
+      var tile = L.DomUtil.create('img', 'leaflet-tile');
+      tile.style.width = tile.style.height = this._getTileSize() + 'px';
+      tile.galleryimg = 'no';
+
+      tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+
+      if (L.Browser.ielt9 && this.options.opacity !== undefined) {
+        L.DomUtil.setOpacity(tile, this.options.opacity);
+      }
+      // without this hack, tiles disappear after zoom on Chrome for Android
+      // https://github.com/Leaflet/Leaflet/issues/2078
+      if (L.Browser.mobileWebkit3d) {
+        tile.style.WebkitBackfaceVisibility = 'hidden';
+      }
+      return tile;
+    },
+
+    _loadTile: function (tile, tilePoint) {
+      tile._layer  = this;
+      tile.onload  = this._tileOnLoad;
+      tile.onerror = this._tileOnError;
+
+      this._adjustTilePoint(tilePoint);
+      tile.src     = this.getTileUrl(tilePoint);
+
+      this.fire('tileloadstart', {
+        tile: tile,
+        url: tile.src
+      });
+    },
+
+    _tileLoaded: function () {
+      this._tilesToLoad--;
+
+      if (this._animated) {
+        L.DomUtil.addClass(this._tileContainer, 'leaflet-zoom-animated');
+      }
+
+      if (!this._tilesToLoad) {
+        this.fire('load');
+
+        if (this._animated) {
+          // clear scaled tiles after all new tiles are loaded (for performance)
+          clearTimeout(this._clearBgBufferTimer);
+          this._clearBgBufferTimer = setTimeout(L.bind(this._clearBgBuffer, this), 500);
+        }
+      }
+    },
+
+    _tileOnLoad: function () {
+      var layer = this._layer;
+
+      //Only if we are loading an actual image
+      if (this.src !== L.Util.emptyImageUrl) {
+        L.DomUtil.addClass(this, 'leaflet-tile-loaded');
+
+        layer.fire('tileload', {
+          tile: this,
+          url: this.src
+        });
+      }
+
+      layer._tileLoaded();
+    },
+
+    _tileOnError: function () {
+      var layer = this._layer;
+
+      layer.fire('tileerror', {
+        tile: this,
+        url: this.src
+      });
+
+      var newUrl = layer.options.errorTileUrl;
+      if (newUrl) {
+        this.src = newUrl;
+      }
+
+      layer._tileLoaded();
+    }
+  });
+
+  L.tileLayer = function (url, options) {
+    return new L.TileLayer(url, options);
+  };
+
+
+  /*
+ * L.TileLayer.WMS is used for putting WMS tile layers on the map.
+ */
+
+  L.TileLayer.WMS = L.TileLayer.extend({
+
+    defaultWmsParams: {
+      service: 'WMS',
+      request: 'GetMap',
+      version: '1.1.1',
+      layers: '',
+      styles: '',
+      format: 'image/jpeg',
+      transparent: false
+    },
+
+    initialize: function (url, options) { // (String, Object)
+
+      this._url = url;
+
+      var wmsParams = L.extend({}, this.defaultWmsParams),
+        tileSize = options.tileSize || this.options.tileSize;
+
+      if (options.detectRetina && L.Browser.retina) {
+        wmsParams.width = wmsParams.height = tileSize * 2;
+      } else {
+        wmsParams.width = wmsParams.height = tileSize;
+      }
+
+      for (var i in options) {
+        // all keys that are not TileLayer options go to WMS params
+        if (!this.options.hasOwnProperty(i) && i !== 'crs') {
+          wmsParams[i] = options[i];
+        }
+      }
+
+      this.wmsParams = wmsParams;
+
+      L.setOptions(this, options);
+    },
+
+    onAdd: function (map) {
+
+      this._crs = this.options.crs || map.options.crs;
+
+      this._wmsVersion = parseFloat(this.wmsParams.version);
+
+      var projectionKey = this._wmsVersion >= 1.3 ? 'crs' : 'srs';
+      this.wmsParams[projectionKey] = this._crs.code;
+
+      L.TileLayer.prototype.onAdd.call(this, map);
+    },
+
+    getTileUrl: function (tilePoint) { // (Point, Number) -> String
+
+      var map = this._map,
+        tileSize = this.options.tileSize,
+
+        nwPoint = tilePoint.multiplyBy(tileSize),
+        sePoint = nwPoint.add([tileSize, tileSize]),
+
+        nw = this._crs.project(map.unproject(nwPoint, tilePoint.z)),
+        se = this._crs.project(map.unproject(sePoint, tilePoint.z)),
+        bbox = this._wmsVersion >= 1.3 && this._crs === L.CRS.EPSG4326 ?
+          [se.y, nw.x, nw.y, se.x].join(',') :
+          [nw.x, se.y, se.x, nw.y].join(','),
+
+        url = L.Util.template(this._url, {s: this._getSubdomain(tilePoint)});
+
+      return url + L.Util.getParamString(this.wmsParams, url, true) + '&BBOX=' + bbox;
+    },
+
+    setParams: function (params, noRedraw) {
+
+      L.extend(this.wmsParams, params);
+
+      if (!noRedraw) {
+        this.redraw();
+      }
+
+      return this;
+    }
+  });
+
+  L.tileLayer.wms = function (url, options) {
+    return new L.TileLayer.WMS(url, options);
+  };
+
+
+  /*
+ * L.TileLayer.Canvas is a class that you can use as a base for creating
+ * dynamically drawn Canvas-based tile layers.
+ */
+
+  L.TileLayer.Canvas = L.TileLayer.extend({
+    options: {
+      async: false
+    },
+
+    initialize: function (options) {
+      L.setOptions(this, options);
+    },
+
+    redraw: function () {
+      if (this._map) {
+        this._reset({hard: true});
+        this._update();
+      }
+
+      for (var i in this._tiles) {
+        this._redrawTile(this._tiles[i]);
+      }
+      return this;
+    },
+
+    _redrawTile: function (tile) {
+      this.drawTile(tile, tile._tilePoint, this._map._zoom);
+    },
+
+    _createTile: function () {
+      var tile = L.DomUtil.create('canvas', 'leaflet-tile');
+      tile.width = tile.height = this.options.tileSize;
+      tile.onselectstart = tile.onmousemove = L.Util.falseFn;
+      return tile;
+    },
+
+    _loadTile: function (tile, tilePoint) {
+      tile._layer = this;
+      tile._tilePoint = tilePoint;
+
+      this._redrawTile(tile);
+
+      if (!this.options.async) {
+        this.tileDrawn(tile);
+      }
+    },
+
+    drawTile: function (/*tile, tilePoint*/) {
+      // override with rendering code
+    },
+
+    tileDrawn: function (tile) {
+      this._tileOnLoad.call(tile);
+    }
+  });
+
+
+  L.tileLayer.canvas = function (options) {
+    return new L.TileLayer.Canvas(options);
+  };
+
+
+  /*
+ * L.ImageOverlay is used to overlay images over the map (to specific geographical bounds).
+ */
+
+  L.ImageOverlay = L.Class.extend({
+    includes: L.Mixin.Events,
+
+    options: {
+      opacity: 1
+    },
+
+    initialize: function (url, bounds, options) { // (String, LatLngBounds, Object)
+      this._url = url;
+      this._bounds = L.latLngBounds(bounds);
+
+      L.setOptions(this, options);
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+
+      if (!this._image) {
+        this._initImage();
+      }
+
+      map._panes.overlayPane.appendChild(this._image);
+
+      map.on('viewreset', this._reset, this);
+
+      if (map.options.zoomAnimation && L.Browser.any3d) {
+        map.on('zoomanim', this._animateZoom, this);
+      }
+
+      this._reset();
+    },
+
+    onRemove: function (map) {
+      map.getPanes().overlayPane.removeChild(this._image);
+
+      map.off('viewreset', this._reset, this);
+
+      if (map.options.zoomAnimation) {
+        map.off('zoomanim', this._animateZoom, this);
+      }
+    },
+
+    addTo: function (map) {
+      map.addLayer(this);
+      return this;
+    },
+
+    setOpacity: function (opacity) {
+      this.options.opacity = opacity;
+      this._updateOpacity();
+      return this;
+    },
+
+    // TODO remove bringToFront/bringToBack duplication from TileLayer/Path
+    bringToFront: function () {
+      if (this._image) {
+        this._map._panes.overlayPane.appendChild(this._image);
+      }
+      return this;
+    },
+
+    bringToBack: function () {
+      var pane = this._map._panes.overlayPane;
+      if (this._image) {
+        pane.insertBefore(this._image, pane.firstChild);
+      }
+      return this;
+    },
+
+    setUrl: function (url) {
+      this._url = url;
+      this._image.src = this._url;
+    },
+
+    getAttribution: function () {
+      return this.options.attribution;
+    },
+
+    _initImage: function () {
+      this._image = L.DomUtil.create('img', 'leaflet-image-layer');
+
+      if (this._map.options.zoomAnimation && L.Browser.any3d) {
+        L.DomUtil.addClass(this._image, 'leaflet-zoom-animated');
+      } else {
+        L.DomUtil.addClass(this._image, 'leaflet-zoom-hide');
+      }
+
+      this._updateOpacity();
+
+      //TODO createImage util method to remove duplication
+      L.extend(this._image, {
+        galleryimg: 'no',
+        onselectstart: L.Util.falseFn,
+        onmousemove: L.Util.falseFn,
+        onload: L.bind(this._onImageLoad, this),
+        src: this._url
+      });
+    },
+
+    _animateZoom: function (e) {
+      var map = this._map,
+        image = this._image,
+        scale = map.getZoomScale(e.zoom),
+        nw = this._bounds.getNorthWest(),
+        se = this._bounds.getSouthEast(),
+
+        topLeft = map._latLngToNewLayerPoint(nw, e.zoom, e.center),
+        size = map._latLngToNewLayerPoint(se, e.zoom, e.center)._subtract(topLeft),
+        origin = topLeft._add(size._multiplyBy((1 / 2) * (1 - 1 / scale)));
+
+      image.style[L.DomUtil.TRANSFORM] =
+        L.DomUtil.getTranslateString(origin) + ' scale(' + scale + ') ';
+    },
+
+    _reset: function () {
+      var image   = this._image,
+        topLeft = this._map.latLngToLayerPoint(this._bounds.getNorthWest()),
+        size = this._map.latLngToLayerPoint(this._bounds.getSouthEast())._subtract(topLeft);
+
+      L.DomUtil.setPosition(image, topLeft);
+
+      image.style.width  = size.x + 'px';
+      image.style.height = size.y + 'px';
+    },
+
+    _onImageLoad: function () {
+      this.fire('load');
+    },
+
+    _updateOpacity: function () {
+      L.DomUtil.setOpacity(this._image, this.options.opacity);
+    }
+  });
+
+  L.imageOverlay = function (url, bounds, options) {
+    return new L.ImageOverlay(url, bounds, options);
+  };
+
+
+  /*
+ * L.Icon is an image-based icon class that you can use with L.Marker for custom markers.
+ */
+
+  L.Icon = L.Class.extend({
+    options: {
+      /*
+		iconUrl: (String) (required)
+		iconRetinaUrl: (String) (optional, used for retina devices if detected)
+		iconSize: (Point) (can be set through CSS)
+		iconAnchor: (Point) (centered by default, can be set in CSS with negative margins)
+		popupAnchor: (Point) (if not specified, popup opens in the anchor point)
+		shadowUrl: (String) (no shadow by default)
+		shadowRetinaUrl: (String) (optional, used for retina devices if detected)
+		shadowSize: (Point)
+		shadowAnchor: (Point)
+		*/
+      className: ''
+    },
+
+    initialize: function (options) {
+      L.setOptions(this, options);
+    },
+
+    createIcon: function (oldIcon) {
+      return this._createIcon('icon', oldIcon);
+    },
+
+    createShadow: function (oldIcon) {
+      return this._createIcon('shadow', oldIcon);
+    },
+
+    _createIcon: function (name, oldIcon) {
+      var src = this._getIconUrl(name);
+
+      if (!src) {
+        if (name === 'icon') {
+          throw new Error('iconUrl not set in Icon options (see the docs).');
+        }
+        return null;
+      }
+
+      var img;
+      if (!oldIcon || oldIcon.tagName !== 'IMG') {
+        img = this._createImg(src);
+      } else {
+        img = this._createImg(src, oldIcon);
+      }
+      this._setIconStyles(img, name);
+
+      return img;
+    },
+
+    _setIconStyles: function (img, name) {
+      var options = this.options,
+        size = L.point(options[name + 'Size']),
+        anchor;
+
+      if (name === 'shadow') {
+        anchor = L.point(options.shadowAnchor || options.iconAnchor);
+      } else {
+        anchor = L.point(options.iconAnchor);
+      }
+
+      if (!anchor && size) {
+        anchor = size.divideBy(2, true);
+      }
+
+      img.className = 'leaflet-marker-' + name + ' ' + options.className;
+
+      if (anchor) {
+        img.style.marginLeft = (-anchor.x) + 'px';
+        img.style.marginTop  = (-anchor.y) + 'px';
+      }
+
+      if (size) {
+        img.style.width  = size.x + 'px';
+        img.style.height = size.y + 'px';
+      }
+    },
+
+    _createImg: function (src, el) {
+      el = el || document.createElement('img');
+      el.src = src;
+      return el;
+    },
+
+    _getIconUrl: function (name) {
+      if (L.Browser.retina && this.options[name + 'RetinaUrl']) {
+        return this.options[name + 'RetinaUrl'];
+      }
+      return this.options[name + 'Url'];
+    }
+  });
+
+  L.icon = function (options) {
+    return new L.Icon(options);
+  };
+
+
+  /*
+ * L.Icon.Default is the blue marker icon used by default in Leaflet.
+ */
+
+  L.Icon.Default = L.Icon.extend({
+
+    options: {
+      iconSize: [25, 41],
+      iconAnchor: [12, 41],
+      popupAnchor: [1, -34],
+
+      shadowSize: [41, 41]
+    },
+
+    _getIconUrl: function (name) {
+      var key = name + 'Url';
+
+      if (this.options[key]) {
+        return this.options[key];
+      }
+
+      if (L.Browser.retina && name === 'icon') {
+        name += '-2x';
+      }
+
+      // HUE Specific change for static files
+      return window.LEAFLET_DEFAULTS.images[name];
+    }
+  });
+
+  L.Icon.Default.imagePath = (function () {
+    var scripts = document.getElementsByTagName('script'),
+      leafletRe = /[\/^]leaflet[\-\._]?([\w\-\._]*)\.js\??/;
+
+    var i, len, src, matches, path;
+
+    for (i = 0, len = scripts.length; i < len; i++) {
+      src = scripts[i].src;
+      matches = src.match(leafletRe);
+
+      if (matches) {
+        path = src.split(leafletRe)[0];
+        return (path ? path + '/' : '') + 'images';
+      }
+    }
+  }());
+
+
+  /*
+ * L.Marker is used to display clickable/draggable icons on the map.
+ */
+
+  L.Marker = L.Class.extend({
+
+    includes: L.Mixin.Events,
+
+    options: {
+      icon: new L.Icon.Default(),
+      title: '',
+      alt: '',
+      clickable: true,
+      draggable: false,
+      keyboard: true,
+      zIndexOffset: 0,
+      opacity: 1,
+      riseOnHover: false,
+      riseOffset: 250
+    },
+
+    initialize: function (latlng, options) {
+      L.setOptions(this, options);
+      this._latlng = L.latLng(latlng);
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+
+      map.on('viewreset', this.update, this);
+
+      this._initIcon();
+      this.update();
+      this.fire('add');
+
+      if (map.options.zoomAnimation && map.options.markerZoomAnimation) {
+        map.on('zoomanim', this._animateZoom, this);
+      }
+    },
+
+    addTo: function (map) {
+      map.addLayer(this);
+      return this;
+    },
+
+    onRemove: function (map) {
+      if (this.dragging) {
+        this.dragging.disable();
+      }
+
+      this._removeIcon();
+      this._removeShadow();
+
+      this.fire('remove');
+
+      map.off({
+        'viewreset': this.update,
+        'zoomanim': this._animateZoom
+      }, this);
+
+      this._map = null;
+    },
+
+    getLatLng: function () {
+      return this._latlng;
+    },
+
+    setLatLng: function (latlng) {
+      this._latlng = L.latLng(latlng);
+
+      this.update();
+
+      return this.fire('move', { latlng: this._latlng });
+    },
+
+    setZIndexOffset: function (offset) {
+      this.options.zIndexOffset = offset;
+      this.update();
+
+      return this;
+    },
+
+    setIcon: function (icon) {
+
+      this.options.icon = icon;
+
+      if (this._map) {
+        this._initIcon();
+        this.update();
+      }
+
+      if (this._popup) {
+        this.bindPopup(this._popup);
+      }
+
+      return this;
+    },
+
+    update: function () {
+      if (this._icon) {
+        this._setPos(this._map.latLngToLayerPoint(this._latlng).round());
+      }
+      return this;
+    },
+
+    _initIcon: function () {
+      var options = this.options,
+        map = this._map,
+        animation = (map.options.zoomAnimation && map.options.markerZoomAnimation),
+        classToAdd = animation ? 'leaflet-zoom-animated' : 'leaflet-zoom-hide';
+
+      var icon = options.icon.createIcon(this._icon),
+        addIcon = false;
+
+      // if we're not reusing the icon, remove the old one and init new one
+      if (icon !== this._icon) {
+        if (this._icon) {
+          this._removeIcon();
+        }
+        addIcon = true;
+
+        if (options.title) {
+          icon.title = options.title;
+        }
+
+        if (options.alt) {
+          icon.alt = options.alt;
+        }
+      }
+
+      L.DomUtil.addClass(icon, classToAdd);
+
+      if (options.keyboard) {
+        icon.tabIndex = '0';
+      }
+
+      this._icon = icon;
+
+      this._initInteraction();
+
+      if (options.riseOnHover) {
+        L.DomEvent
+          .on(icon, 'mouseover', this._bringToFront, this)
+          .on(icon, 'mouseout', this._resetZIndex, this);
+      }
+
+      var newShadow = options.icon.createShadow(this._shadow),
+        addShadow = false;
+
+      if (newShadow !== this._shadow) {
+        this._removeShadow();
+        addShadow = true;
+      }
+
+      if (newShadow) {
+        L.DomUtil.addClass(newShadow, classToAdd);
+      }
+      this._shadow = newShadow;
+
+
+      if (options.opacity < 1) {
+        this._updateOpacity();
+      }
+
+
+      var panes = this._map._panes;
+
+      if (addIcon) {
+        panes.markerPane.appendChild(this._icon);
+      }
+
+      if (newShadow && addShadow) {
+        panes.shadowPane.appendChild(this._shadow);
+      }
+    },
+
+    _removeIcon: function () {
+      if (this.options.riseOnHover) {
+        L.DomEvent
+          .off(this._icon, 'mouseover', this._bringToFront)
+          .off(this._icon, 'mouseout', this._resetZIndex);
+      }
+
+      this._map._panes.markerPane.removeChild(this._icon);
+
+      this._icon = null;
+    },
+
+    _removeShadow: function () {
+      if (this._shadow) {
+        this._map._panes.shadowPane.removeChild(this._shadow);
+      }
+      this._shadow = null;
+    },
+
+    _setPos: function (pos) {
+      L.DomUtil.setPosition(this._icon, pos);
+
+      if (this._shadow) {
+        L.DomUtil.setPosition(this._shadow, pos);
+      }
+
+      this._zIndex = pos.y + this.options.zIndexOffset;
+
+      this._resetZIndex();
+    },
+
+    _updateZIndex: function (offset) {
+      this._icon.style.zIndex = this._zIndex + offset;
+    },
+
+    _animateZoom: function (opt) {
+      var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center).round();
+
+      this._setPos(pos);
+    },
+
+    _initInteraction: function () {
+
+      if (!this.options.clickable) { return; }
+
+      // TODO refactor into something shared with Map/Path/etc. to DRY it up
+
+      var icon = this._icon,
+        events = ['dblclick', 'mousedown', 'mouseover', 'mouseout', 'contextmenu'];
+
+      L.DomUtil.addClass(icon, 'leaflet-clickable');
+      L.DomEvent.on(icon, 'click', this._onMouseClick, this);
+      L.DomEvent.on(icon, 'keypress', this._onKeyPress, this);
+
+      for (var i = 0; i < events.length; i++) {
+        L.DomEvent.on(icon, events[i], this._fireMouseEvent, this);
+      }
+
+      if (L.Handler.MarkerDrag) {
+        this.dragging = new L.Handler.MarkerDrag(this);
+
+        if (this.options.draggable) {
+          this.dragging.enable();
+        }
+      }
+    },
+
+    _onMouseClick: function (e) {
+      var wasDragged = this.dragging && this.dragging.moved();
+
+      if (this.hasEventListeners(e.type) || wasDragged) {
+        L.DomEvent.stopPropagation(e);
+      }
+
+      if (wasDragged) { return; }
+
+      if ((!this.dragging || !this.dragging._enabled) && this._map.dragging && this._map.dragging.moved()) { return; }
+
+      this.fire(e.type, {
+        originalEvent: e,
+        latlng: this._latlng
+      });
+    },
+
+    _onKeyPress: function (e) {
+      if (e.keyCode === 13) {
+        this.fire('click', {
+          originalEvent: e,
+          latlng: this._latlng
+        });
+      }
+    },
+
+    _fireMouseEvent: function (e) {
+
+      this.fire(e.type, {
+        originalEvent: e,
+        latlng: this._latlng
+      });
+
+      // TODO proper custom event propagation
+      // this line will always be called if marker is in a FeatureGroup
+      if (e.type === 'contextmenu' && this.hasEventListeners(e.type)) {
+        L.DomEvent.preventDefault(e);
+      }
+      if (e.type !== 'mousedown') {
+        L.DomEvent.stopPropagation(e);
+      } else {
+        L.DomEvent.preventDefault(e);
+      }
+    },
+
+    setOpacity: function (opacity) {
+      this.options.opacity = opacity;
+      if (this._map) {
+        this._updateOpacity();
+      }
+
+      return this;
+    },
+
+    _updateOpacity: function () {
+      L.DomUtil.setOpacity(this._icon, this.options.opacity);
+      if (this._shadow) {
+        L.DomUtil.setOpacity(this._shadow, this.options.opacity);
+      }
+    },
+
+    _bringToFront: function () {
+      this._updateZIndex(this.options.riseOffset);
+    },
+
+    _resetZIndex: function () {
+      this._updateZIndex(0);
+    }
+  });
+
+  L.marker = function (latlng, options) {
+    return new L.Marker(latlng, options);
+  };
+
+
+  /*
+ * L.DivIcon is a lightweight HTML-based icon class (as opposed to the image-based L.Icon)
+ * to use with L.Marker.
+ */
+
+  L.DivIcon = L.Icon.extend({
+    options: {
+      iconSize: [12, 12], // also can be set through CSS
+      /*
+		iconAnchor: (Point)
+		popupAnchor: (Point)
+		html: (String)
+		bgPos: (Point)
+		*/
+      className: 'leaflet-div-icon',
+      html: false
+    },
+
+    createIcon: function (oldIcon) {
+      var div = (oldIcon && oldIcon.tagName === 'DIV') ? oldIcon : document.createElement('div'),
+        options = this.options;
+
+      if (options.html !== false) {
+        div.innerHTML = options.html;
+      } else {
+        div.innerHTML = '';
+      }
+
+      if (options.bgPos) {
+        div.style.backgroundPosition =
+          (-options.bgPos.x) + 'px ' + (-options.bgPos.y) + 'px';
+      }
+
+      this._setIconStyles(div, 'icon');
+      return div;
+    },
+
+    createShadow: function () {
+      return null;
+    }
+  });
+
+  L.divIcon = function (options) {
+    return new L.DivIcon(options);
+  };
+
+
+  /*
+ * L.Popup is used for displaying popups on the map.
+ */
+
+  L.Map.mergeOptions({
+    closePopupOnClick: true
+  });
+
+  L.Popup = L.Class.extend({
+    includes: L.Mixin.Events,
+
+    options: {
+      minWidth: 50,
+      maxWidth: 300,
+      // maxHeight: null,
+      autoPan: true,
+      closeButton: true,
+      offset: [0, 7],
+      autoPanPadding: [5, 5],
+      // autoPanPaddingTopLeft: null,
+      // autoPanPaddingBottomRight: null,
+      keepInView: false,
+      className: '',
+      zoomAnimation: true
+    },
+
+    initialize: function (options, source) {
+      L.setOptions(this, options);
+
+      this._source = source;
+      this._animated = L.Browser.any3d && this.options.zoomAnimation;
+      this._isOpen = false;
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+
+      if (!this._container) {
+        this._initLayout();
+      }
+
+      var animFade = map.options.fadeAnimation;
+
+      if (animFade) {
+        L.DomUtil.setOpacity(this._container, 0);
+      }
+      map._panes.popupPane.appendChild(this._container);
+
+      map.on(this._getEvents(), this);
+
+      this.update();
+
+      if (animFade) {
+        L.DomUtil.setOpacity(this._container, 1);
+      }
+
+      this.fire('open');
+
+      map.fire('popupopen', {popup: this});
+
+      if (this._source) {
+        this._source.fire('popupopen', {popup: this});
+      }
+    },
+
+    addTo: function (map) {
+      map.addLayer(this);
+      return this;
+    },
+
+    openOn: function (map) {
+      map.openPopup(this);
+      return this;
+    },
+
+    onRemove: function (map) {
+      map._panes.popupPane.removeChild(this._container);
+
+      L.Util.falseFn(this._container.offsetWidth); // force reflow
+
+      map.off(this._getEvents(), this);
+
+      if (map.options.fadeAnimation) {
+        L.DomUtil.setOpacity(this._container, 0);
+      }
+
+      this._map = null;
+
+      this.fire('close');
+
+      map.fire('popupclose', {popup: this});
+
+      if (this._source) {
+        this._source.fire('popupclose', {popup: this});
+      }
+    },
+
+    getLatLng: function () {
+      return this._latlng;
+    },
+
+    setLatLng: function (latlng) {
+      this._latlng = L.latLng(latlng);
+      if (this._map) {
+        this._updatePosition();
+        this._adjustPan();
+      }
+      return this;
+    },
+
+    getContent: function () {
+      return this._content;
+    },
+
+    setContent: function (content) {
+      this._content = content;
+      this.update();
+      return this;
+    },
+
+    update: function () {
+      if (!this._map) { return; }
+
+      this._container.style.visibility = 'hidden';
+
+      this._updateContent();
+      this._updateLayout();
+      this._updatePosition();
+
+      this._container.style.visibility = '';
+
+      this._adjustPan();
+    },
+
+    _getEvents: function () {
+      var events = {
+        viewreset: this._updatePosition
+      };
+
+      if (this._animated) {
+        events.zoomanim = this._zoomAnimation;
+      }
+      if ('closeOnClick' in this.options ? this.options.closeOnClick : this._map.options.closePopupOnClick) {
+        events.preclick = this._close;
+      }
+      if (this.options.keepInView) {
+        events.moveend = this._adjustPan;
+      }
+
+      return events;
+    },
+
+    _close: function () {
+      if (this._map) {
+        this._map.closePopup(this);
+      }
+    },
+
+    _initLayout: function () {
+      var prefix = 'leaflet-popup',
+        containerClass = prefix + ' ' + this.options.className + ' leaflet-zoom-' +
+          (this._animated ? 'animated' : 'hide'),
+        container = this._container = L.DomUtil.create('div', containerClass),
+        closeButton;
+
+      if (this.options.closeButton) {
+        closeButton = this._closeButton =
+          L.DomUtil.create('a', prefix + '-close-button', container);
+        closeButton.href = '#close';
+        closeButton.innerHTML = '&#215;';
+        L.DomEvent.disableClickPropagation(closeButton);
+
+        L.DomEvent.on(closeButton, 'click', this._onCloseButtonClick, this);
+      }
+
+      var wrapper = this._wrapper =
+        L.DomUtil.create('div', prefix + '-content-wrapper', container);
+      L.DomEvent.disableClickPropagation(wrapper);
+
+      this._contentNode = L.DomUtil.create('div', prefix + '-content', wrapper);
+
+      L.DomEvent.disableScrollPropagation(this._contentNode);
+      L.DomEvent.on(wrapper, 'contextmenu', L.DomEvent.stopPropagation);
+
+      this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
+      this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
+    },
+
+    _updateContent: function () {
+      if (!this._content) { return; }
+
+      if (typeof this._content === 'string') {
+        this._contentNode.innerHTML = this._content;
+      } else {
+        while (this._contentNode.hasChildNodes()) {
+          this._contentNode.removeChild(this._contentNode.firstChild);
+        }
+        this._contentNode.appendChild(this._content);
+      }
+      this.fire('contentupdate');
+    },
+
+    _updateLayout: function () {
+      var container = this._contentNode,
+        style = container.style;
+
+      style.width = '';
+      style.whiteSpace = 'nowrap';
+
+      var width = container.offsetWidth;
+      width = Math.min(width, this.options.maxWidth);
+      width = Math.max(width, this.options.minWidth);
+
+      style.width = (width + 1) + 'px';
+      style.whiteSpace = '';
+
+      style.height = '';
+
+      var height = container.offsetHeight,
+        maxHeight = this.options.maxHeight,
+        scrolledClass = 'leaflet-popup-scrolled';
+
+      if (maxHeight && height > maxHeight) {
+        style.height = maxHeight + 'px';
+        L.DomUtil.addClass(container, scrolledClass);
+      } else {
+        L.DomUtil.removeClass(container, scrolledClass);
+      }
+
+      this._containerWidth = this._container.offsetWidth;
+    },
+
+    _updatePosition: function () {
+      if (!this._map) { return; }
+
+      var pos = this._map.latLngToLayerPoint(this._latlng),
+        animated = this._animated,
+        offset = L.point(this.options.offset);
+
+      if (animated) {
+        L.DomUtil.setPosition(this._container, pos);
+      }
+
+      this._containerBottom = -offset.y - (animated ? 0 : pos.y);
+      this._containerLeft = -Math.round(this._containerWidth / 2) + offset.x + (animated ? 0 : pos.x);
+
+      // bottom position the popup in case the height of the popup changes (images loading etc)
+      this._container.style.bottom = this._containerBottom + 'px';
+      this._container.style.left = this._containerLeft + 'px';
+    },
+
+    _zoomAnimation: function (opt) {
+      var pos = this._map._latLngToNewLayerPoint(this._latlng, opt.zoom, opt.center);
+
+      L.DomUtil.setPosition(this._container, pos);
+    },
+
+    _adjustPan: function () {
+      if (!this.options.autoPan) { return; }
+
+      var map = this._map,
+        containerHeight = this._container.offsetHeight,
+        containerWidth = this._containerWidth,
+
+        layerPos = new L.Point(this._containerLeft, -containerHeight - this._containerBottom);
+
+      if (this._animated) {
+        layerPos._add(L.DomUtil.getPosition(this._container));
+      }
+
+      var containerPos = map.layerPointToContainerPoint(layerPos),
+        padding = L.point(this.options.autoPanPadding),
+        paddingTL = L.point(this.options.autoPanPaddingTopLeft || padding),
+        paddingBR = L.point(this.options.autoPanPaddingBottomRight || padding),
+        size = map.getSize(),
+        dx = 0,
+        dy = 0;
+
+      if (containerPos.x + containerWidth + paddingBR.x > size.x) { // right
+        dx = containerPos.x + containerWidth - size.x + paddingBR.x;
+      }
+      if (containerPos.x - dx - paddingTL.x < 0) { // left
+        dx = containerPos.x - paddingTL.x;
+      }
+      if (containerPos.y + containerHeight + paddingBR.y > size.y) { // bottom
+        dy = containerPos.y + containerHeight - size.y + paddingBR.y;
+      }
+      if (containerPos.y - dy - paddingTL.y < 0) { // top
+        dy = containerPos.y - paddingTL.y;
+      }
+
+      if (dx || dy) {
+        map
+          .fire('autopanstart')
+          .panBy([dx, dy]);
+      }
+    },
+
+    _onCloseButtonClick: function (e) {
+      this._close();
+      L.DomEvent.stop(e);
+    }
+  });
+
+  L.popup = function (options, source) {
+    return new L.Popup(options, source);
+  };
+
+
+  L.Map.include({
+    openPopup: function (popup, latlng, options) { // (Popup) or (String || HTMLElement, LatLng[, Object])
+      this.closePopup();
+
+      if (!(popup instanceof L.Popup)) {
+        var content = popup;
+
+        popup = new L.Popup(options)
+          .setLatLng(latlng)
+          .setContent(content);
+      }
+      popup._isOpen = true;
+
+      this._popup = popup;
+      return this.addLayer(popup);
+    },
+
+    closePopup: function (popup) {
+      if (!popup || popup === this._popup) {
+        popup = this._popup;
+        this._popup = null;
+      }
+      if (popup) {
+        this.removeLayer(popup);
+        popup._isOpen = false;
+      }
+      return this;
+    }
+  });
+
+
+  /*
+ * Popup extension to L.Marker, adding popup-related methods.
+ */
+
+  L.Marker.include({
+    openPopup: function () {
+      if (this._popup && this._map && !this._map.hasLayer(this._popup)) {
+        this._popup.setLatLng(this._latlng);
+        this._map.openPopup(this._popup);
+      }
+
+      return this;
+    },
+
+    closePopup: function () {
+      if (this._popup) {
+        this._popup._close();
+      }
+      return this;
+    },
+
+    togglePopup: function () {
+      if (this._popup) {
+        if (this._popup._isOpen) {
+          this.closePopup();
+        } else {
+          this.openPopup();
+        }
+      }
+      return this;
+    },
+
+    bindPopup: function (content, options) {
+      var anchor = L.point(this.options.icon.options.popupAnchor || [0, 0]);
+
+      anchor = anchor.add(L.Popup.prototype.options.offset);
+
+      if (options && options.offset) {
+        anchor = anchor.add(options.offset);
+      }
+
+      options = L.extend({offset: anchor}, options);
+
+      if (!this._popupHandlersAdded) {
+        this
+          .on('click', this.togglePopup, this)
+          .on('remove', this.closePopup, this)
+          .on('move', this._movePopup, this);
+        this._popupHandlersAdded = true;
+      }
+
+      if (content instanceof L.Popup) {
+        L.setOptions(content, options);
+        this._popup = content;
+        content._source = this;
+      } else {
+        this._popup = new L.Popup(options, this)
+          .setContent(content);
+      }
+
+      return this;
+    },
+
+    setPopupContent: function (content) {
+      if (this._popup) {
+        this._popup.setContent(content);
+      }
+      return this;
+    },
+
+    unbindPopup: function () {
+      if (this._popup) {
+        this._popup = null;
+        this
+          .off('click', this.togglePopup, this)
+          .off('remove', this.closePopup, this)
+          .off('move', this._movePopup, this);
+        this._popupHandlersAdded = false;
+      }
+      return this;
+    },
+
+    getPopup: function () {
+      return this._popup;
+    },
+
+    _movePopup: function (e) {
+      this._popup.setLatLng(e.latlng);
+    }
+  });
+
+
+  /*
+ * L.LayerGroup is a class to combine several layers into one so that
+ * you can manipulate the group (e.g. add/remove it) as one layer.
+ */
+
+  L.LayerGroup = L.Class.extend({
+    initialize: function (layers) {
+      this._layers = {};
+
+      var i, len;
+
+      if (layers) {
+        for (i = 0, len = layers.length; i < len; i++) {
+          this.addLayer(layers[i]);
+        }
+      }
+    },
+
+    addLayer: function (layer) {
+      var id = this.getLayerId(layer);
+
+      this._layers[id] = layer;
+
+      if (this._map) {
+        this._map.addLayer(layer);
+      }
+
+      return this;
+    },
+
+    removeLayer: function (layer) {
+      var id = layer in this._layers ? layer : this.getLayerId(layer);
+
+      if (this._map && this._layers[id]) {
+        this._map.removeLayer(this._layers[id]);
+      }
+
+      delete this._layers[id];
+
+      return this;
+    },
+
+    hasLayer: function (layer) {
+      if (!layer) { return false; }
+
+      return (layer in this._layers || this.getLayerId(layer) in this._layers);
+    },
+
+    clearLayers: function () {
+      this.eachLayer(this.removeLayer, this);
+      return this;
+    },
+
+    invoke: function (methodName) {
+      var args = Array.prototype.slice.call(arguments, 1),
+        i, layer;
+
+      for (i in this._layers) {
+        layer = this._layers[i];
+
+        if (layer[methodName]) {
+          layer[methodName].apply(layer, args);
+        }
+      }
+
+      return this;
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+      this.eachLayer(map.addLayer, map);
+    },
+
+    onRemove: function (map) {
+      this.eachLayer(map.removeLayer, map);
+      this._map = null;
+    },
+
+    addTo: function (map) {
+      map.addLayer(this);
+      return this;
+    },
+
+    eachLayer: function (method, context) {
+      for (var i in this._layers) {
+        method.call(context, this._layers[i]);
+      }
+      return this;
+    },
+
+    getLayer: function (id) {
+      return this._layers[id];
+    },
+
+    getLayers: function () {
+      var layers = [];
+
+      for (var i in this._layers) {
+        layers.push(this._layers[i]);
+      }
+      return layers;
+    },
+
+    setZIndex: function (zIndex) {
+      return this.invoke('setZIndex', zIndex);
+    },
+
+    getLayerId: function (layer) {
+      return L.stamp(layer);
+    }
+  });
+
+  L.layerGroup = function (layers) {
+    return new L.LayerGroup(layers);
+  };
+
+
+  /*
+ * L.FeatureGroup extends L.LayerGroup by introducing mouse events and additional methods
+ * shared between a group of interactive layers (like vectors or markers).
+ */
+
+  L.FeatureGroup = L.LayerGroup.extend({
+    includes: L.Mixin.Events,
+
+    statics: {
+      EVENTS: 'click dblclick mouseover mouseout mousemove contextmenu popupopen popupclose'
+    },
+
+    addLayer: function (layer) {
+      if (this.hasLayer(layer)) {
+        return this;
+      }
+
+      if ('on' in layer) {
+        layer.on(L.FeatureGroup.EVENTS, this._propagateEvent, this);
+      }
+
+      L.LayerGroup.prototype.addLayer.call(this, layer);
+
+      if (this._popupContent && layer.bindPopup) {
+        layer.bindPopup(this._popupContent, this._popupOptions);
+      }
+
+      return this.fire('layeradd', {layer: layer});
+    },
+
+    removeLayer: function (layer) {
+      if (!this.hasLayer(layer)) {
+        return this;
+      }
+      if (layer in this._layers) {
+        layer = this._layers[layer];
+      }
+
+      if ('off' in layer) {
+        layer.off(L.FeatureGroup.EVENTS, this._propagateEvent, this);
+      }
+
+      L.LayerGroup.prototype.removeLayer.call(this, layer);
+
+      if (this._popupContent) {
+        this.invoke('unbindPopup');
+      }
+
+      return this.fire('layerremove', {layer: layer});
+    },
+
+    bindPopup: function (content, options) {
+      this._popupContent = content;
+      this._popupOptions = options;
+      return this.invoke('bindPopup', content, options);
+    },
+
+    openPopup: function (latlng) {
+      // open popup on the first layer
+      for (var id in this._layers) {
+        this._layers[id].openPopup(latlng);
+        break;
+      }
+      return this;
+    },
+
+    setStyle: function (style) {
+      return this.invoke('setStyle', style);
+    },
+
+    bringToFront: function () {
+      return this.invoke('bringToFront');
+    },
+
+    bringToBack: function () {
+      return this.invoke('bringToBack');
+    },
+
+    getBounds: function () {
+      var bounds = new L.LatLngBounds();
+
+      this.eachLayer(function (layer) {
+        bounds.extend(layer instanceof L.Marker ? layer.getLatLng() : layer.getBounds());
+      });
+
+      return bounds;
+    },
+
+    _propagateEvent: function (e) {
+      e = L.extend({
+        layer: e.target,
+        target: this
+      }, e);
+      this.fire(e.type, e);
+    }
+  });
+
+  L.featureGroup = function (layers) {
+    return new L.FeatureGroup(layers);
+  };
+
+
+  /*
+ * L.Path is a base class for rendering vector paths on a map. Inherited by Polyline, Circle, etc.
+ */
+
+  L.Path = L.Class.extend({
+    includes: [L.Mixin.Events],
+
+    statics: {
+      // how much to extend the clip area around the map view
+      // (relative to its size, e.g. 0.5 is half the screen in each direction)
+      // set it so that SVG element doesn't exceed 1280px (vectors flicker on dragend if it is)
+      CLIP_PADDING: (function () {
+        var max = L.Browser.mobile ? 1280 : 2000,
+          target = (max / Math.max(window.outerWidth, window.outerHeight) - 1) / 2;
+        return Math.max(0, Math.min(0.5, target));
+      })()
+    },
+
+    options: {
+      stroke: true,
+      color: '#0033ff',
+      dashArray: null,
+      lineCap: null,
+      lineJoin: null,
+      weight: 5,
+      opacity: 0.5,
+
+      fill: false,
+      fillColor: null, //same as color by default
+      fillOpacity: 0.2,
+
+      clickable: true
+    },
+
+    initialize: function (options) {
+      L.setOptions(this, options);
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+
+      if (!this._container) {
+        this._initElements();
+        this._initEvents();
+      }
+
+      this.projectLatlngs();
+      this._updatePath();
+
+      if (this._container) {
+        this._map._pathRoot.appendChild(this._container);
+      }
+
+      this.fire('add');
+
+      map.on({
+        'viewreset': this.projectLatlngs,
+        'moveend': this._updatePath
+      }, this);
+    },
+
+    addTo: function (map) {
+      map.addLayer(this);
+      return this;
+    },
+
+    onRemove: function (map) {
+      map._pathRoot.removeChild(this._container);
+
+      // Need to fire remove event before we set _map to null as the event hooks might need the object
+      this.fire('remove');
+      this._map = null;
+
+      if (L.Browser.vml) {
+        this._container = null;
+        this._stroke = null;
+        this._fill = null;
+      }
+
+      map.off({
+        'viewreset': this.projectLatlngs,
+        'moveend': this._updatePath
+      }, this);
+    },
+
+    projectLatlngs: function () {
+      // do all projection stuff here
+    },
+
+    setStyle: function (style) {
+      L.setOptions(this, style);
+
+      if (this._container) {
+        this._updateStyle();
+      }
+
+      return this;
+    },
+
+    redraw: function () {
+      if (this._map) {
+        this.projectLatlngs();
+        this._updatePath();
+      }
+      return this;
+    }
+  });
+
+  L.Map.include({
+    _updatePathViewport: function () {
+      var p = L.Path.CLIP_PADDING,
+        size = this.getSize(),
+        panePos = L.DomUtil.getPosition(this._mapPane),
+        min = panePos.multiplyBy(-1)._subtract(size.multiplyBy(p)._round()),
+        max = min.add(size.multiplyBy(1 + p * 2)._round());
+
+      this._pathViewport = new L.Bounds(min, max);
+    }
+  });
+
+
+  /*
+ * Extends L.Path with SVG-specific rendering code.
+ */
+
+  L.Path.SVG_NS = 'http://www.w3.org/2000/svg';
+
+  L.Browser.svg = !!(document.createElementNS && document.createElementNS(L.Path.SVG_NS, 'svg').createSVGRect);
+
+  L.Path = L.Path.extend({
+    statics: {
+      SVG: L.Browser.svg
+    },
+
+    bringToFront: function () {
+      var root = this._map._pathRoot,
+        path = this._container;
+
+      if (path && root.lastChild !== path) {
+        root.appendChild(path);
+      }
+      return this;
+    },
+
+    bringToBack: function () {
+      var root = this._map._pathRoot,
+        path = this._container,
+        first = root.firstChild;
+
+      if (path && first !== path) {
+        root.insertBefore(path, first);
+      }
+      return this;
+    },
+
+    getPathString: function () {
+      // form path string here
+    },
+
+    _createElement: function (name) {
+      return document.createElementNS(L.Path.SVG_NS, name);
+    },
+
+    _initElements: function () {
+      this._map._initPathRoot();
+      this._initPath();
+      this._initStyle();
+    },
+
+    _initPath: function () {
+      this._container = this._createElement('g');
+
+      this._path = this._createElement('path');
+
+      if (this.options.className) {
+        L.DomUtil.addClass(this._path, this.options.className);
+      }
+
+      this._container.appendChild(this._path);
+    },
+
+    _initStyle: function () {
+      if (this.options.stroke) {
+        this._path.setAttribute('stroke-linejoin', 'round');
+        this._path.setAttribute('stroke-linecap', 'round');
+      }
+      if (this.options.fill) {
+        this._path.setAttribute('fill-rule', 'evenodd');
+      }
+      if (this.options.pointerEvents) {
+        this._path.setAttribute('pointer-events', this.options.pointerEvents);
+      }
+      if (!this.options.clickable && !this.options.pointerEvents) {
+        this._path.setAttribute('pointer-events', 'none');
+      }
+      this._updateStyle();
+    },
+
+    _updateStyle: function () {
+      if (this.options.stroke) {
+        this._path.setAttribute('stroke', this.options.color);
+        this._path.setAttribute('stroke-opacity', this.options.opacity);
+        this._path.setAttribute('stroke-width', this.options.weight);
+        if (this.options.dashArray) {
+          this._path.setAttribute('stroke-dasharray', this.options.dashArray);
+        } else {
+          this._path.removeAttribute('stroke-dasharray');
+        }
+        if (this.options.lineCap) {
+          this._path.setAttribute('stroke-linecap', this.options.lineCap);
+        }
+        if (this.options.lineJoin) {
+          this._path.setAttribute('stroke-linejoin', this.options.lineJoin);
+        }
+      } else {
+        this._path.setAttribute('stroke', 'none');
+      }
+      if (this.options.fill) {
+        this._path.setAttribute('fill', this.options.fillColor || this.options.color);
+        this._path.setAttribute('fill-opacity', this.options.fillOpacity);
+      } else {
+        this._path.setAttribute('fill', 'none');
+      }
+    },
+
+    _updatePath: function () {
+      var str = this.getPathString();
+      if (!str) {
+        // fix webkit empty string parsing bug
+        str = 'M0 0';
+      }
+      this._path.setAttribute('d', str);
+    },
+
+    // TODO remove duplication with L.Map
+    _initEvents: function () {
+      if (this.options.clickable) {
+        if (L.Browser.svg || !L.Browser.vml) {
+          L.DomUtil.addClass(this._path, 'leaflet-clickable');
+        }
+
+        L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
+
+        var events = ['dblclick', 'mousedown', 'mouseover',
+          'mouseout', 'mousemove', 'contextmenu'];
+        for (var i = 0; i < events.length; i++) {
+          L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
+        }
+      }
+    },
+
+    _onMouseClick: function (e) {
+      if (this._map.dragging && this._map.dragging.moved()) { return; }
+
+      this._fireMouseEvent(e);
+    },
+
+    _fireMouseEvent: function (e) {
+      if (!this._map || !this.hasEventListeners(e.type)) { return; }
+
+      var map = this._map,
+        containerPoint = map.mouseEventToContainerPoint(e),
+        layerPoint = map.containerPointToLayerPoint(containerPoint),
+        latlng = map.layerPointToLatLng(layerPoint);
+
+      this.fire(e.type, {
+        latlng: latlng,
+        layerPoint: layerPoint,
+        containerPoint: containerPoint,
+        originalEvent: e
+      });
+
+      if (e.type === 'contextmenu') {
+        L.DomEvent.preventDefault(e);
+      }
+      if (e.type !== 'mousemove') {
+        L.DomEvent.stopPropagation(e);
+      }
+    }
+  });
+
+  L.Map.include({
+    _initPathRoot: function () {
+      if (!this._pathRoot) {
+        this._pathRoot = L.Path.prototype._createElement('svg');
+        this._panes.overlayPane.appendChild(this._pathRoot);
+
+        if (this.options.zoomAnimation && L.Browser.any3d) {
+          L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-animated');
+
+          this.on({
+            'zoomanim': this._animatePathZoom,
+            'zoomend': this._endPathZoom
+          });
+        } else {
+          L.DomUtil.addClass(this._pathRoot, 'leaflet-zoom-hide');
+        }
+
+        this.on('moveend', this._updateSvgViewport);
+        this._updateSvgViewport();
+      }
+    },
+
+    _animatePathZoom: function (e) {
+      var scale = this.getZoomScale(e.zoom),
+        offset = this._getCenterOffset(e.center)._multiplyBy(-scale)._add(this._pathViewport.min);
+
+      this._pathRoot.style[L.DomUtil.TRANSFORM] =
+        L.DomUtil.getTranslateString(offset) + ' scale(' + scale + ') ';
+
+      this._pathZooming = true;
+    },
+
+    _endPathZoom: function () {
+      this._pathZooming = false;
+    },
+
+    _updateSvgViewport: function () {
+
+      if (this._pathZooming) {
+        // Do not update SVGs while a zoom animation is going on otherwise the animation will break.
+        // When the zoom animation ends we will be updated again anyway
+        // This fixes the case where you do a momentum move and zoom while the move is still ongoing.
+        return;
+      }
+
+      this._updatePathViewport();
+
+      var vp = this._pathViewport,
+        min = vp.min,
+        max = vp.max,
+        width = max.x - min.x,
+        height = max.y - min.y,
+        root = this._pathRoot,
+        pane = this._panes.overlayPane;
+
+      // Hack to make flicker on drag end on mobile webkit less irritating
+      if (L.Browser.mobileWebkit) {
+        pane.removeChild(root);
+      }
+
+      L.DomUtil.setPosition(root, min);
+      root.setAttribute('width', width);
+      root.setAttribute('height', height);
+      root.setAttribute('viewBox', [min.x, min.y, width, height].join(' '));
+
+      if (L.Browser.mobileWebkit) {
+        pane.appendChild(root);
+      }
+    }
+  });
+
+
+  /*
+ * Popup extension to L.Path (polylines, polygons, circles), adding popup-related methods.
+ */
+
+  L.Path.include({
+
+    bindPopup: function (content, options) {
+
+      if (content instanceof L.Popup) {
+        this._popup = content;
+      } else {
+        if (!this._popup || options) {
+          this._popup = new L.Popup(options, this);
+        }
+        this._popup.setContent(content);
+      }
+
+      if (!this._popupHandlersAdded) {
+        this
+          .on('click', this._openPopup, this)
+          .on('remove', this.closePopup, this);
+
+        this._popupHandlersAdded = true;
+      }
+
+      return this;
+    },
+
+    unbindPopup: function () {
+      if (this._popup) {
+        this._popup = null;
+        this
+          .off('click', this._openPopup)
+          .off('remove', this.closePopup);
+
+        this._popupHandlersAdded = false;
+      }
+      return this;
+    },
+
+    openPopup: function (latlng) {
+
+      if (this._popup) {
+        // open the popup from one of the path's points if not specified
+        latlng = latlng || this._latlng ||
+          this._latlngs[Math.floor(this._latlngs.length / 2)];
+
+        this._openPopup({latlng: latlng});
+      }
+
+      return this;
+    },
+
+    closePopup: function () {
+      if (this._popup) {
+        this._popup._close();
+      }
+      return this;
+    },
+
+    _openPopup: function (e) {
+      this._popup.setLatLng(e.latlng);
+      this._map.openPopup(this._popup);
+    }
+  });
+
+
+  /*
+ * Vector rendering for IE6-8 through VML.
+ * Thanks to Dmitry Baranovsky and his Raphael library for inspiration!
+ */
+
+  L.Browser.vml = !L.Browser.svg && (function () {
+    try {
+      var div = document.createElement('div');
+      div.innerHTML = '<v:shape adj="1"/>';
+
+      var shape = div.firstChild;
+      shape.style.behavior = 'url(#default#VML)';
+
+      return shape && (typeof shape.adj === 'object');
+
+    } catch (e) {
+      return false;
+    }
+  }());
+
+  L.Path = L.Browser.svg || !L.Browser.vml ? L.Path : L.Path.extend({
+    statics: {
+      VML: true,
+      CLIP_PADDING: 0.02
+    },
+
+    _createElement: (function () {
+      try {
+        document.namespaces.add('lvml', 'urn:schemas-microsoft-com:vml');
+        return function (name) {
+          return document.createElement('<lvml:' + name + ' class="lvml">');
+        };
+      } catch (e) {
+        return function (name) {
+          return document.createElement(
+            '<' + name + ' xmlns="urn:schemas-microsoft.com:vml" class="lvml">');
+        };
+      }
+    }()),
+
+    _initPath: function () {
+      var container = this._container = this._createElement('shape');
+
+      L.DomUtil.addClass(container, 'leaflet-vml-shape' +
+        (this.options.className ? ' ' + this.options.className : ''));
+
+      if (this.options.clickable) {
+        L.DomUtil.addClass(container, 'leaflet-clickable');
+      }
+
+      container.coordsize = '1 1';
+
+      this._path = this._createElement('path');
+      container.appendChild(this._path);
+
+      this._map._pathRoot.appendChild(container);
+    },
+
+    _initStyle: function () {
+      this._updateStyle();
+    },
+
+    _updateStyle: function () {
+      var stroke = this._stroke,
+        fill = this._fill,
+        options = this.options,
+        container = this._container;
+
+      container.stroked = options.stroke;
+      container.filled = options.fill;
+
+      if (options.stroke) {
+        if (!stroke) {
+          stroke = this._stroke = this._createElement('stroke');
+          stroke.endcap = 'round';
+          container.appendChild(stroke);
+        }
+        stroke.weight = options.weight + 'px';
+        stroke.color = options.color;
+        stroke.opacity = options.opacity;
+
+        if (options.dashArray) {
+          stroke.dashStyle = L.Util.isArray(options.dashArray) ?
+            options.dashArray.join(' ') :
+            options.dashArray.replace(/( *, *)/g, ' ');
+        } else {
+          stroke.dashStyle = '';
+        }
+        if (options.lineCap) {
+          stroke.endcap = options.lineCap.replace('butt', 'flat');
+        }
+        if (options.lineJoin) {
+          stroke.joinstyle = options.lineJoin;
+        }
+
+      } else if (stroke) {
+        container.removeChild(stroke);
+        this._stroke = null;
+      }
+
+      if (options.fill) {
+        if (!fill) {
+          fill = this._fill = this._createElement('fill');
+          container.appendChild(fill);
+        }
+        fill.color = options.fillColor || options.color;
+        fill.opacity = options.fillOpacity;
+
+      } else if (fill) {
+        container.removeChild(fill);
+        this._fill = null;
+      }
+    },
+
+    _updatePath: function () {
+      var style = this._container.style;
+
+      style.display = 'none';
+      this._path.v = this.getPathString() + ' '; // the space fixes IE empty path string bug
+      style.display = '';
+    }
+  });
+
+  L.Map.include(L.Browser.svg || !L.Browser.vml ? {} : {
+    _initPathRoot: function () {
+      if (this._pathRoot) { return; }
+
+      var root = this._pathRoot = document.createElement('div');
+      root.className = 'leaflet-vml-container';
+      this._panes.overlayPane.appendChild(root);
+
+      this.on('moveend', this._updatePathViewport);
+      this._updatePathViewport();
+    }
+  });
+
+
+  /*
+ * Vector rendering for all browsers that support canvas.
+ */
+
+  L.Browser.canvas = (function () {
+    return !!document.createElement('canvas').getContext;
+  }());
+
+  L.Path = (L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? L.Path : L.Path.extend({
+    statics: {
+      //CLIP_PADDING: 0.02, // not sure if there's a need to set it to a small value
+      CANVAS: true,
+      SVG: false
+    },
+
+    redraw: function () {
+      if (this._map) {
+        this.projectLatlngs();
+        this._requestUpdate();
+      }
+      return this;
+    },
+
+    setStyle: function (style) {
+      L.setOptions(this, style);
+
+      if (this._map) {
+        this._updateStyle();
+        this._requestUpdate();
+      }
+      return this;
+    },
+
+    onRemove: function (map) {
+      map
+        .off('viewreset', this.projectLatlngs, this)
+        .off('moveend', this._updatePath, this);
+
+      if (this.options.clickable) {
+        this._map.off('click', this._onClick, this);
+        this._map.off('mousemove', this._onMouseMove, this);
+      }
+
+      this._requestUpdate();
+
+      this.fire('remove');
+      this._map = null;
+    },
+
+    _requestUpdate: function () {
+      if (this._map && !L.Path._updateRequest) {
+        L.Path._updateRequest = L.Util.requestAnimFrame(this._fireMapMoveEnd, this._map);
+      }
+    },
+
+    _fireMapMoveEnd: function () {
+      L.Path._updateRequest = null;
+      this.fire('moveend');
+    },
+
+    _initElements: function () {
+      this._map._initPathRoot();
+      this._ctx = this._map._canvasCtx;
+    },
+
+    _updateStyle: function () {
+      var options = this.options;
+
+      if (options.stroke) {
+        this._ctx.lineWidth = options.weight;
+        this._ctx.strokeStyle = options.color;
+      }
+      if (options.fill) {
+        this._ctx.fillStyle = options.fillColor || options.color;
+      }
+
+      if (options.lineCap) {
+        this._ctx.lineCap = options.lineCap;
+      }
+      if (options.lineJoin) {
+        this._ctx.lineJoin = options.lineJoin;
+      }
+    },
+
+    _drawPath: function () {
+      var i, j, len, len2, point, drawMethod;
+
+      this._ctx.beginPath();
+
+      for (i = 0, len = this._parts.length; i < len; i++) {
+        for (j = 0, len2 = this._parts[i].length; j < len2; j++) {
+          point = this._parts[i][j];
+          drawMethod = (j === 0 ? 'move' : 'line') + 'To';
+
+          this._ctx[drawMethod](point.x, point.y);
+        }
+        // TODO refactor ugly hack
+        if (this instanceof L.Polygon) {
+          this._ctx.closePath();
+        }
+      }
+    },
+
+    _checkIfEmpty: function () {
+      return !this._parts.length;
+    },
+
+    _updatePath: function () {
+      if (this._checkIfEmpty()) { return; }
+
+      var ctx = this._ctx,
+        options = this.options;
+
+      this._drawPath();
+      ctx.save();
+      this._updateStyle();
+
+      if (options.fill) {
+        ctx.globalAlpha = options.fillOpacity;
+        ctx.fill(options.fillRule || 'evenodd');
+      }
+
+      if (options.stroke) {
+        ctx.globalAlpha = options.opacity;
+        ctx.stroke();
+      }
+
+      ctx.restore();
+
+      // TODO optimization: 1 fill/stroke for all features with equal style instead of 1 for each feature
+    },
+
+    _initEvents: function () {
+      if (this.options.clickable) {
+        this._map.on('mousemove', this._onMouseMove, this);
+        this._map.on('click dblclick contextmenu', this._fireMouseEvent, this);
+      }
+    },
+
+    _fireMouseEvent: function (e) {
+      if (this._containsPoint(e.layerPoint)) {
+        this.fire(e.type, e);
+      }
+    },
+
+    _onMouseMove: function (e) {
+      if (!this._map || this._map._animatingZoom) { return; }
+
+      // TODO don't do on each move
+      if (this._containsPoint(e.layerPoint)) {
+        this._ctx.canvas.style.cursor = 'pointer';
+        this._mouseInside = true;
+        this.fire('mouseover', e);
+
+      } else if (this._mouseInside) {
+        this._ctx.canvas.style.cursor = '';
+        this._mouseInside = false;
+        this.fire('mouseout', e);
+      }
+    }
+  });
+
+  L.Map.include((L.Path.SVG && !window.L_PREFER_CANVAS) || !L.Browser.canvas ? {} : {
+    _initPathRoot: function () {
+      var root = this._pathRoot,
+        ctx;
+
+      if (!root) {
+        root = this._pathRoot = document.createElement('canvas');
+        root.style.position = 'absolute';
+        ctx = this._canvasCtx = root.getContext('2d');
+
+        ctx.lineCap = 'round';
+        ctx.lineJoin = 'round';
+
+        this._panes.overlayPane.appendChild(root);
+
+        if (this.options.zoomAnimation) {
+          this._pathRoot.className = 'leaflet-zoom-animated';
+          this.on('zoomanim', this._animatePathZoom);
+          this.on('zoomend', this._endPathZoom);
+        }
+        this.on('moveend', this._updateCanvasViewport);
+        this._updateCanvasViewport();
+      }
+    },
+
+    _updateCanvasViewport: function () {
+      // don't redraw while zooming. See _updateSvgViewport for more details
+      if (this._pathZooming) { return; }
+      this._updatePathViewport();
+
+      var vp = this._pathViewport,
+        min = vp.min,
+        size = vp.max.subtract(min),
+        root = this._pathRoot;
+
+      //TODO check if this works properly on mobile webkit
+      L.DomUtil.setPosition(root, min);
+      root.width = size.x;
+      root.height = size.y;
+      root.getContext('2d').translate(-min.x, -min.y);
+    }
+  });
+
+
+  /*
+ * L.LineUtil contains different utility functions for line segments
+ * and polylines (clipping, simplification, distances, etc.)
+ */
+
+  /*jshint bitwise:false */ // allow bitwise operations for this file
+
+  L.LineUtil = {
+
+    // Simplify polyline with vertex reduction and Douglas-Peucker simplification.
+    // Improves rendering performance dramatically by lessening the number of points to draw.
+
+    simplify: function (/*Point[]*/ points, /*Number*/ tolerance) {
+      if (!tolerance || !points.length) {
+        return points.slice();
+      }
+
+      var sqTolerance = tolerance * tolerance;
+
+      // stage 1: vertex reduction
+      points = this._reducePoints(points, sqTolerance);
+
+      // stage 2: Douglas-Peucker simplification
+      points = this._simplifyDP(points, sqTolerance);
+
+      return points;
+    },
+
+    // distance from a point to a segment between two points
+    pointToSegmentDistance:  function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
+      return Math.sqrt(this._sqClosestPointOnSegment(p, p1, p2, true));
+    },
+
+    closestPointOnSegment: function (/*Point*/ p, /*Point*/ p1, /*Point*/ p2) {
+      return this._sqClosestPointOnSegment(p, p1, p2);
+    },
+
+    // Douglas-Peucker simplification, see http://en.wikipedia.org/wiki/Douglas-Peucker_algorithm
+    _simplifyDP: function (points, sqTolerance) {
+
+      var len = points.length,
+        ArrayConstructor = typeof Uint8Array !== undefined + '' ? Uint8Array : Array,
+        markers = new ArrayConstructor(len);
+
+      markers[0] = markers[len - 1] = 1;
+
+      this._simplifyDPStep(points, markers, sqTolerance, 0, len - 1);
+
+      var i,
+        newPoints = [];
+
+      for (i = 0; i < len; i++) {
+        if (markers[i]) {
+          newPoints.push(points[i]);
+        }
+      }
+
+      return newPoints;
+    },
+
+    _simplifyDPStep: function (points, markers, sqTolerance, first, last) {
+
+      var maxSqDist = 0,
+        index, i, sqDist;
+
+      for (i = first + 1; i <= last - 1; i++) {
+        sqDist = this._sqClosestPointOnSegment(points[i], points[first], points[last], true);
+
+        if (sqDist > maxSqDist) {
+          index = i;
+          maxSqDist = sqDist;
+        }
+      }
+
+      if (maxSqDist > sqTolerance) {
+        markers[index] = 1;
+
+        this._simplifyDPStep(points, markers, sqTolerance, first, index);
+        this._simplifyDPStep(points, markers, sqTolerance, index, last);
+      }
+    },
+
+    // reduce points that are too close to each other to a single point
+    _reducePoints: function (points, sqTolerance) {
+      var reducedPoints = [points[0]];
+
+      for (var i = 1, prev = 0, len = points.length; i < len; i++) {
+        if (this._sqDist(points[i], points[prev]) > sqTolerance) {
+          reducedPoints.push(points[i]);
+          prev = i;
+        }
+      }
+      if (prev < len - 1) {
+        reducedPoints.push(points[len - 1]);
+      }
+      return reducedPoints;
+    },
+
+    // Cohen-Sutherland line clipping algorithm.
+    // Used to avoid rendering parts of a polyline that are not currently visible.
+
+    clipSegment: function (a, b, bounds, useLastCode) {
+      var codeA = useLastCode ? this._lastCode : this._getBitCode(a, bounds),
+        codeB = this._getBitCode(b, bounds),
+
+        codeOut, p, newCode;
+
+      // save 2nd code to avoid calculating it on the next segment
+      this._lastCode = codeB;
+
+      while (true) {
+        // if a,b is inside the clip window (trivial accept)
+        if (!(codeA | codeB)) {
+          return [a, b];
+          // if a,b is outside the clip window (trivial reject)
+        } else if (codeA & codeB) {
+          return false;
+          // other cases
+        } else {
+          codeOut = codeA || codeB;
+          p = this._getEdgeIntersection(a, b, codeOut, bounds);
+          newCode = this._getBitCode(p, bounds);
+
+          if (codeOut === codeA) {
+            a = p;
+            codeA = newCode;
+          } else {
+            b = p;
+            codeB = newCode;
+          }
+        }
+      }
+    },
+
+    _getEdgeIntersection: function (a, b, code, bounds) {
+      var dx = b.x - a.x,
+        dy = b.y - a.y,
+        min = bounds.min,
+        max = bounds.max;
+
+      if (code & 8) { // top
+        return new L.Point(a.x + dx * (max.y - a.y) / dy, max.y);
+      } else if (code & 4) { // bottom
+        return new L.Point(a.x + dx * (min.y - a.y) / dy, min.y);
+      } else if (code & 2) { // right
+        return new L.Point(max.x, a.y + dy * (max.x - a.x) / dx);
+      } else if (code & 1) { // left
+        return new L.Point(min.x, a.y + dy * (min.x - a.x) / dx);
+      }
+    },
+
+    _getBitCode: function (/*Point*/ p, bounds) {
+      var code = 0;
+
+      if (p.x < bounds.min.x) { // left
+        code |= 1;
+      } else if (p.x > bounds.max.x) { // right
+        code |= 2;
+      }
+      if (p.y < bounds.min.y) { // bottom
+        code |= 4;
+      } else if (p.y > bounds.max.y) { // top
+        code |= 8;
+      }
+
+      return code;
+    },
+
+    // square distance (to avoid unnecessary Math.sqrt calls)
+    _sqDist: function (p1, p2) {
+      var dx = p2.x - p1.x,
+        dy = p2.y - p1.y;
+      return dx * dx + dy * dy;
+    },
+
+    // return closest point on segment or distance to that point
+    _sqClosestPointOnSegment: function (p, p1, p2, sqDist) {
+      var x = p1.x,
+        y = p1.y,
+        dx = p2.x - x,
+        dy = p2.y - y,
+        dot = dx * dx + dy * dy,
+        t;
+
+      if (dot > 0) {
+        t = ((p.x - x) * dx + (p.y - y) * dy) / dot;
+
+        if (t > 1) {
+          x = p2.x;
+          y = p2.y;
+        } else if (t > 0) {
+          x += dx * t;
+          y += dy * t;
+        }
+      }
+
+      dx = p.x - x;
+      dy = p.y - y;
+
+      return sqDist ? dx * dx + dy * dy : new L.Point(x, y);
+    }
+  };
+
+
+  /*
+ * L.Polyline is used to display polylines on a map.
+ */
+
+  L.Polyline = L.Path.extend({
+    initialize: function (latlngs, options) {
+      L.Path.prototype.initialize.call(this, options);
+
+      this._latlngs = this._convertLatLngs(latlngs);
+    },
+
+    options: {
+      // how much to simplify the polyline on each zoom level
+      // more = better performance and smoother look, less = more accurate
+      smoothFactor: 1.0,
+      noClip: false
+    },
+
+    projectLatlngs: function () {
+      this._originalPoints = [];
+
+      for (var i = 0, len = this._latlngs.length; i < len; i++) {
+        this._originalPoints[i] = this._map.latLngToLayerPoint(this._latlngs[i]);
+      }
+    },
+
+    getPathString: function () {
+      for (var i = 0, len = this._parts.length, str = ''; i < len; i++) {
+        str += this._getPathPartStr(this._parts[i]);
+      }
+      return str;
+    },
+
+    getLatLngs: function () {
+      return this._latlngs;
+    },
+
+    setLatLngs: function (latlngs) {
+      this._latlngs = this._convertLatLngs(latlngs);
+      return this.redraw();
+    },
+
+    addLatLng: function (latlng) {
+      this._latlngs.push(L.latLng(latlng));
+      return this.redraw();
+    },
+
+    spliceLatLngs: function () { // (Number index, Number howMany)
+      var removed = [].splice.apply(this._latlngs, arguments);
+      this._convertLatLngs(this._latlngs, true);
+      this.redraw();
+      return removed;
+    },
+
+    closestLayerPoint: function (p) {
+      var minDistance = Infinity, parts = this._parts, p1, p2, minPoint = null;
+
+      for (var j = 0, jLen = parts.length; j < jLen; j++) {
+        var points = parts[j];
+        for (var i = 1, len = points.length; i < len; i++) {
+          p1 = points[i - 1];
+          p2 = points[i];
+          var sqDist = L.LineUtil._sqClosestPointOnSegment(p, p1, p2, true);
+          if (sqDist < minDistance) {
+            minDistance = sqDist;
+            minPoint = L.LineUtil._sqClosestPointOnSegment(p, p1, p2);
+          }
+        }
+      }
+      if (minPoint) {
+        minPoint.distance = Math.sqrt(minDistance);
+      }
+      return minPoint;
+    },
+
+    getBounds: function () {
+      return new L.LatLngBounds(this.getLatLngs());
+    },
+
+    _convertLatLngs: function (latlngs, overwrite) {
+      var i, len, target = overwrite ? latlngs : [];
+
+      for (i = 0, len = latlngs.length; i < len; i++) {
+        if (L.Util.isArray(latlngs[i]) && typeof latlngs[i][0] !== 'number') {
+          return;
+        }
+        target[i] = L.latLng(latlngs[i]);
+      }
+      return target;
+    },
+
+    _initEvents: function () {
+      L.Path.prototype._initEvents.call(this);
+    },
+
+    _getPathPartStr: function (points) {
+      var round = L.Path.VML;
+
+      for (var j = 0, len2 = points.length, str = '', p; j < len2; j++) {
+        p = points[j];
+        if (round) {
+          p._round();
+        }
+        str += (j ? 'L' : 'M') + p.x + ' ' + p.y;
+      }
+      return str;
+    },
+
+    _clipPoints: function () {
+      var points = this._originalPoints,
+        len = points.length,
+        i, k, segment;
+
+      if (this.options.noClip) {
+        this._parts = [points];
+        return;
+      }
+
+      this._parts = [];
+
+      var parts = this._parts,
+        vp = this._map._pathViewport,
+        lu = L.LineUtil;
+
+      for (i = 0, k = 0; i < len - 1; i++) {
+        segment = lu.clipSegment(points[i], points[i + 1], vp, i);
+        if (!segment) {
+          continue;
+        }
+
+        parts[k] = parts[k] || [];
+        parts[k].push(segment[0]);
+
+        // if segment goes out of screen, or it's the last one, it's the end of the line part
+        if ((segment[1] !== points[i + 1]) || (i === len - 2)) {
+          parts[k].push(segment[1]);
+          k++;
+        }
+      }
+    },
+
+    // simplify each clipped part of the polyline
+    _simplifyPoints: function () {
+      var parts = this._parts,
+        lu = L.LineUtil;
+
+      for (var i = 0, len = parts.length; i < len; i++) {
+        parts[i] = lu.simplify(parts[i], this.options.smoothFactor);
+      }
+    },
+
+    _updatePath: function () {
+      if (!this._map) { return; }
+
+      this._clipPoints();
+      this._simplifyPoints();
+
+      L.Path.prototype._updatePath.call(this);
+    }
+  });
+
+  L.polyline = function (latlngs, options) {
+    return new L.Polyline(latlngs, options);
+  };
+
+
+  /*
+ * L.PolyUtil contains utility functions for polygons (clipping, etc.).
+ */
+
+  /*jshint bitwise:false */ // allow bitwise operations here
+
+  L.PolyUtil = {};
+
+  /*
+ * Sutherland-Hodgeman polygon clipping algorithm.
+ * Used to avoid rendering parts of a polygon that are not currently visible.
+ */
+  L.PolyUtil.clipPolygon = function (points, bounds) {
+    var clippedPoints,
+      edges = [1, 4, 2, 8],
+      i, j, k,
+      a, b,
+      len, edge, p,
+      lu = L.LineUtil;
+
+    for (i = 0, len = points.length; i < len; i++) {
+      points[i]._code = lu._getBitCode(points[i], bounds);
+    }
+
+    // for each edge (left, bottom, right, top)
+    for (k = 0; k < 4; k++) {
+      edge = edges[k];
+      clippedPoints = [];
+
+      for (i = 0, len = points.length, j = len - 1; i < len; j = i++) {
+        a = points[i];
+        b = points[j];
+
+        // if a is inside the clip window
+        if (!(a._code & edge)) {
+          // if b is outside the clip window (a->b goes out of screen)
+          if (b._code & edge) {
+            p = lu._getEdgeIntersection(b, a, edge, bounds);
+            p._code = lu._getBitCode(p, bounds);
+            clippedPoints.push(p);
+          }
+          clippedPoints.push(a);
+
+          // else if b is inside the clip window (a->b enters the screen)
+        } else if (!(b._code & edge)) {
+          p = lu._getEdgeIntersection(b, a, edge, bounds);
+          p._code = lu._getBitCode(p, bounds);
+          clippedPoints.push(p);
+        }
+      }
+      points = clippedPoints;
+    }
+
+    return points;
+  };
+
+
+  /*
+ * L.Polygon is used to display polygons on a map.
+ */
+
+  L.Polygon = L.Polyline.extend({
+    options: {
+      fill: true
+    },
+
+    initialize: function (latlngs, options) {
+      L.Polyline.prototype.initialize.call(this, latlngs, options);
+      this._initWithHoles(latlngs);
+    },
+
+    _initWithHoles: function (latlngs) {
+      var i, len, hole;
+      if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
+        this._latlngs = this._convertLatLngs(latlngs[0]);
+        this._holes = latlngs.slice(1);
+
+        for (i = 0, len = this._holes.length; i < len; i++) {
+          hole = this._holes[i] = this._convertLatLngs(this._holes[i]);
+          if (hole[0].equals(hole[hole.length - 1])) {
+            hole.pop();
+          }
+        }
+      }
+
+      // filter out last point if its equal to the first one
+      latlngs = this._latlngs;
+
+      if (latlngs.length >= 2 && latlngs[0].equals(latlngs[latlngs.length - 1])) {
+        latlngs.pop();
+      }
+    },
+
+    projectLatlngs: function () {
+      L.Polyline.prototype.projectLatlngs.call(this);
+
+      // project polygon holes points
+      // TODO move this logic to Polyline to get rid of duplication
+      this._holePoints = [];
+
+      if (!this._holes) { return; }
+
+      var i, j, len, len2;
+
+      for (i = 0, len = this._holes.length; i < len; i++) {
+        this._holePoints[i] = [];
+
+        for (j = 0, len2 = this._holes[i].length; j < len2; j++) {
+          this._holePoints[i][j] = this._map.latLngToLayerPoint(this._holes[i][j]);
+        }
+      }
+    },
+
+    setLatLngs: function (latlngs) {
+      if (latlngs && L.Util.isArray(latlngs[0]) && (typeof latlngs[0][0] !== 'number')) {
+        this._initWithHoles(latlngs);
+        return this.redraw();
+      } else {
+        return L.Polyline.prototype.setLatLngs.call(this, latlngs);
+      }
+    },
+
+    _clipPoints: function () {
+      var points = this._originalPoints,
+        newParts = [];
+
+      this._parts = [points].concat(this._holePoints);
+
+      if (this.options.noClip) { return; }
+
+      for (var i = 0, len = this._parts.length; i < len; i++) {
+        var clipped = L.PolyUtil.clipPolygon(this._parts[i], this._map._pathViewport);
+        if (clipped.length) {
+          newParts.push(clipped);
+        }
+      }
+
+      this._parts = newParts;
+    },
+
+    _getPathPartStr: function (points) {
+      var str = L.Polyline.prototype._getPathPartStr.call(this, points);
+      return str + (L.Browser.svg ? 'z' : 'x');
+    }
+  });
+
+  L.polygon = function (latlngs, options) {
+    return new L.Polygon(latlngs, options);
+  };
+
+
+  /*
+ * Contains L.MultiPolyline and L.MultiPolygon layers.
+ */
+
+  (function () {
+    function createMulti(Klass) {
+
+      return L.FeatureGroup.extend({
+
+        initialize: function (latlngs, options) {
+          this._layers = {};
+          this._options = options;
+          this.setLatLngs(latlngs);
+        },
+
+        setLatLngs: function (latlngs) {
+          var i = 0,
+            len = latlngs.length;
+
+          this.eachLayer(function (layer) {
+            if (i < len) {
+              layer.setLatLngs(latlngs[i++]);
+            } else {
+              this.removeLayer(layer);
+            }
+          }, this);
+
+          while (i < len) {
+            this.addLayer(new Klass(latlngs[i++], this._options));
+          }
+
+          return this;
+        },
+
+        getLatLngs: function () {
+          var latlngs = [];
+
+          this.eachLayer(function (layer) {
+            latlngs.push(layer.getLatLngs());
+          });
+
+          return latlngs;
+        }
+      });
+    }
+
+    L.MultiPolyline = createMulti(L.Polyline);
+    L.MultiPolygon = createMulti(L.Polygon);
+
+    L.multiPolyline = function (latlngs, options) {
+      return new L.MultiPolyline(latlngs, options);
+    };
+
+    L.multiPolygon = function (latlngs, options) {
+      return new L.MultiPolygon(latlngs, options);
+    };
+  }());
+
+
+  /*
+ * L.Rectangle extends Polygon and creates a rectangle when passed a LatLngBounds object.
+ */
+
+  L.Rectangle = L.Polygon.extend({
+    initialize: function (latLngBounds, options) {
+      L.Polygon.prototype.initialize.call(this, this._boundsToLatLngs(latLngBounds), options);
+    },
+
+    setBounds: function (latLngBounds) {
+      this.setLatLngs(this._boundsToLatLngs(latLngBounds));
+    },
+
+    _boundsToLatLngs: function (latLngBounds) {
+      latLngBounds = L.latLngBounds(latLngBounds);
+      return [
+        latLngBounds.getSouthWest(),
+        latLngBounds.getNorthWest(),
+        latLngBounds.getNorthEast(),
+        latLngBounds.getSouthEast()
+      ];
+    }
+  });
+
+  L.rectangle = function (latLngBounds, options) {
+    return new L.Rectangle(latLngBounds, options);
+  };
+
+
+  /*
+ * L.Circle is a circle overlay (with a certain radius in meters).
+ */
+
+  L.Circle = L.Path.extend({
+    initialize: function (latlng, radius, options) {
+      L.Path.prototype.initialize.call(this, options);
+
+      this._latlng = L.latLng(latlng);
+      this._mRadius = radius;
+    },
+
+    options: {
+      fill: true
+    },
+
+    setLatLng: function (latlng) {
+      this._latlng = L.latLng(latlng);
+      return this.redraw();
+    },
+
+    setRadius: function (radius) {
+      this._mRadius = radius;
+      return this.redraw();
+    },
+
+    projectLatlngs: function () {
+      var lngRadius = this._getLngRadius(),
+        latlng = this._latlng,
+        pointLeft = this._map.latLngToLayerPoint([latlng.lat, latlng.lng - lngRadius]);
+
+      this._point = this._map.latLngToLayerPoint(latlng);
+      this._radius = Math.max(this._point.x - pointLeft.x, 1);
+    },
+
+    getBounds: function () {
+      var lngRadius = this._getLngRadius(),
+        latRadius = (this._mRadius / 40075017) * 360,
+        latlng = this._latlng;
+
+      return new L.LatLngBounds(
+        [latlng.lat - latRadius, latlng.lng - lngRadius],
+        [latlng.lat + latRadius, latlng.lng + lngRadius]);
+    },
+
+    getLatLng: function () {
+      return this._latlng;
+    },
+
+    getPathString: function () {
+      var p = this._point,
+        r = this._radius;
+
+      if (this._checkIfEmpty()) {
+        return '';
+      }
+
+      if (L.Browser.svg) {
+        return 'M' + p.x + ',' + (p.y - r) +
+          'A' + r + ',' + r + ',0,1,1,' +
+          (p.x - 0.1) + ',' + (p.y - r) + ' z';
+      } else {
+        p._round();
+        r = Math.round(r);
+        return 'AL ' + p.x + ',' + p.y + ' ' + r + ',' + r + ' 0,' + (65535 * 360);
+      }
+    },
+
+    getRadius: function () {
+      return this._mRadius;
+    },
+
+    // TODO Earth hardcoded, move into projection code!
+
+    _getLatRadius: function () {
+      return (this._mRadius / 40075017) * 360;
+    },
+
+    _getLngRadius: function () {
+      return this._getLatRadius() / Math.cos(L.LatLng.DEG_TO_RAD * this._latlng.lat);
+    },
+
+    _checkIfEmpty: function () {
+      if (!this._map) {
+        return false;
+      }
+      var vp = this._map._pathViewport,
+        r = this._radius,
+        p = this._point;
+
+      return p.x - r > vp.max.x || p.y - r > vp.max.y ||
+        p.x + r < vp.min.x || p.y + r < vp.min.y;
+    }
+  });
+
+  L.circle = function (latlng, radius, options) {
+    return new L.Circle(latlng, radius, options);
+  };
+
+
+  /*
+ * L.CircleMarker is a circle overlay with a permanent pixel radius.
+ */
+
+  L.CircleMarker = L.Circle.extend({
+    options: {
+      radius: 10,
+      weight: 2
+    },
+
+    initialize: function (latlng, options) {
+      L.Circle.prototype.initialize.call(this, latlng, null, options);
+      this._radius = this.options.radius;
+    },
+
+    projectLatlngs: function () {
+      this._point = this._map.latLngToLayerPoint(this._latlng);
+    },
+
+    _updateStyle : function () {
+      L.Circle.prototype._updateStyle.call(this);
+      this.setRadius(this.options.radius);
+    },
+
+    setLatLng: function (latlng) {
+      L.Circle.prototype.setLatLng.call(this, latlng);
+      if (this._popup && this._popup._isOpen) {
+        this._popup.setLatLng(latlng);
+      }
+      return this;
+    },
+
+    setRadius: function (radius) {
+      this.options.radius = this._radius = radius;
+      return this.redraw();
+    },
+
+    getRadius: function () {
+      return this._radius;
+    }
+  });
+
+  L.circleMarker = function (latlng, options) {
+    return new L.CircleMarker(latlng, options);
+  };
+
+
+  /*
+ * Extends L.Polyline to be able to manually detect clicks on Canvas-rendered polylines.
+ */
+
+  L.Polyline.include(!L.Path.CANVAS ? {} : {
+    _containsPoint: function (p, closed) {
+      var i, j, k, len, len2, dist, part,
+        w = this.options.weight / 2;
+
+      if (L.Browser.touch) {
+        w += 10; // polyline click tolerance on touch devices
+      }
+
+      for (i = 0, len = this._parts.length; i < len; i++) {
+        part = this._parts[i];
+        for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
+          if (!closed && (j === 0)) {
+            continue;
+          }
+
+          dist = L.LineUtil.pointToSegmentDistance(p, part[k], part[j]);
+
+          if (dist <= w) {
+            return true;
+          }
+        }
+      }
+      return false;
+    }
+  });
+
+
+  /*
+ * Extends L.Polygon to be able to manually detect clicks on Canvas-rendered polygons.
+ */
+
+  L.Polygon.include(!L.Path.CANVAS ? {} : {
+    _containsPoint: function (p) {
+      var inside = false,
+        part, p1, p2,
+        i, j, k,
+        len, len2;
+
+      // TODO optimization: check if within bounds first
+
+      if (L.Polyline.prototype._containsPoint.call(this, p, true)) {
+        // click on polygon border
+        return true;
+      }
+
+      // ray casting algorithm for detecting if point is in polygon
+
+      for (i = 0, len = this._parts.length; i < len; i++) {
+        part = this._parts[i];
+
+        for (j = 0, len2 = part.length, k = len2 - 1; j < len2; k = j++) {
+          p1 = part[j];
+          p2 = part[k];
+
+          if (((p1.y > p.y) !== (p2.y > p.y)) &&
+            (p.x < (p2.x - p1.x) * (p.y - p1.y) / (p2.y - p1.y) + p1.x)) {
+            inside = !inside;
+          }
+        }
+      }
+
+      return inside;
+    }
+  });
+
+
+  /*
+ * Extends L.Circle with Canvas-specific code.
+ */
+
+  L.Circle.include(!L.Path.CANVAS ? {} : {
+    _drawPath: function () {
+      var p = this._point;
+      this._ctx.beginPath();
+      this._ctx.arc(p.x, p.y, this._radius, 0, Math.PI * 2, false);
+    },
+
+    _containsPoint: function (p) {
+      var center = this._point,
+        w2 = this.options.stroke ? this.options.weight / 2 : 0;
+
+      return (p.distanceTo(center) <= this._radius + w2);
+    }
+  });
+
+
+  /*
+ * CircleMarker canvas specific drawing parts.
+ */
+
+  L.CircleMarker.include(!L.Path.CANVAS ? {} : {
+    _updateStyle: function () {
+      L.Path.prototype._updateStyle.call(this);
+    }
+  });
+
+
+  /*
+ * L.GeoJSON turns any GeoJSON data into a Leaflet layer.
+ */
+
+  L.GeoJSON = L.FeatureGroup.extend({
+
+    initialize: function (geojson, options) {
+      L.setOptions(this, options);
+
+      this._layers = {};
+
+      if (geojson) {
+        this.addData(geojson);
+      }
+    },
+
+    addData: function (geojson) {
+      var features = L.Util.isArray(geojson) ? geojson : geojson.features,
+        i, len, feature;
+
+      if (features) {
+        for (i = 0, len = features.length; i < len; i++) {
+          // Only add this if geometry or geometries are set and not null
+          feature = features[i];
+          if (feature.geometries || feature.geometry || feature.features || feature.coordinates) {
+            this.addData(features[i]);
+          }
+        }
+        return this;
+      }
+
+      var options = this.options;
+
+      if (options.filter && !options.filter(geojson)) { return; }
+
+      var layer = L.GeoJSON.geometryToLayer(geojson, options.pointToLayer, options.coordsToLatLng, options);
+      layer.feature = L.GeoJSON.asFeature(geojson);
+
+      layer.defaultOptions = layer.options;
+      this.resetStyle(layer);
+
+      if (options.onEachFeature) {
+        options.onEachFeature(geojson, layer);
+      }
+
+      return this.addLayer(layer);
+    },
+
+    resetStyle: function (layer) {
+      var style = this.options.style;
+      if (style) {
+        // reset any custom styles
+        L.Util.extend(layer.options, layer.defaultOptions);
+
+        this._setLayerStyle(layer, style);
+      }
+    },
+
+    setStyle: function (style) {
+      this.eachLayer(function (layer) {
+        this._setLayerStyle(layer, style);
+      }, this);
+    },
+
+    _setLayerStyle: function (layer, style) {
+      if (typeof style === 'function') {
+        style = style(layer.feature);
+      }
+      if (layer.setStyle) {
+        layer.setStyle(style);
+      }
+    }
+  });
+
+  L.extend(L.GeoJSON, {
+    geometryToLayer: function (geojson, pointToLayer, coordsToLatLng, vectorOptions) {
+      var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
+        coords = geometry.coordinates,
+        layers = [],
+        latlng, latlngs, i, len;
+
+      coordsToLatLng = coordsToLatLng || this.coordsToLatLng;
+
+      switch (geometry.type) {
+        case 'Point':
+          latlng = coordsToLatLng(coords);
+          return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
+
+        case 'MultiPoint':
+          for (i = 0, len = coords.length; i < len; i++) {
+            latlng = coordsToLatLng(coords[i]);
+            layers.push(pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng));
+          }
+          return new L.FeatureGroup(layers);
+
+        case 'LineString':
+          latlngs = this.coordsToLatLngs(coords, 0, coordsToLatLng);
+          return new L.Polyline(latlngs, vectorOptions);
+
+        case 'Polygon':
+          if (coords.length === 2 && !coords[1].length) {
+            throw new Error('Invalid GeoJSON object.');
+          }
+          latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
+          return new L.Polygon(latlngs, vectorOptions);
+
+        case 'MultiLineString':
+          latlngs = this.coordsToLatLngs(coords, 1, coordsToLatLng);
+          return new L.MultiPolyline(latlngs, vectorOptions);
+
+        case 'MultiPolygon':
+          latlngs = this.coordsToLatLngs(coords, 2, coordsToLatLng);
+          return new L.MultiPolygon(latlngs, vectorOptions);
+
+        case 'GeometryCollection':
+          for (i = 0, len = geometry.geometries.length; i < len; i++) {
+
+            layers.push(this.geometryToLayer({
+              geometry: geometry.geometries[i],
+              type: 'Feature',
+              properties: geojson.properties
+            }, pointToLayer, coordsToLatLng, vectorOptions));
+          }
+          return new L.FeatureGroup(layers);
+
+        default:
+          throw new Error('Invalid GeoJSON object.');
+      }
+    },
+
+    coordsToLatLng: function (coords) { // (Array[, Boolean]) -> LatLng
+      return new L.LatLng(coords[1], coords[0], coords[2]);
+    },
+
+    coordsToLatLngs: function (coords, levelsDeep, coordsToLatLng) { // (Array[, Number, Function]) -> Array
+      var latlng, i, len,
+        latlngs = [];
+
+      for (i = 0, len = coords.length; i < len; i++) {
+        latlng = levelsDeep ?
+          this.coordsToLatLngs(coords[i], levelsDeep - 1, coordsToLatLng) :
+          (coordsToLatLng || this.coordsToLatLng)(coords[i]);
+
+        latlngs.push(latlng);
+      }
+
+      return latlngs;
+    },
+
+    latLngToCoords: function (latlng) {
+      var coords = [latlng.lng, latlng.lat];
+
+      if (latlng.alt !== undefined) {
+        coords.push(latlng.alt);
+      }
+      return coords;
+    },
+
+    latLngsToCoords: function (latLngs) {
+      var coords = [];
+
+      for (var i = 0, len = latLngs.length; i < len; i++) {
+        coords.push(L.GeoJSON.latLngToCoords(latLngs[i]));
+      }
+
+      return coords;
+    },
+
+    getFeature: function (layer, newGeometry) {
+      return layer.feature ? L.extend({}, layer.feature, {geometry: newGeometry}) : L.GeoJSON.asFeature(newGeometry);
+    },
+
+    asFeature: function (geoJSON) {
+      if (geoJSON.type === 'Feature') {
+        return geoJSON;
+      }
+
+      return {
+        type: 'Feature',
+        properties: {},
+        geometry: geoJSON
+      };
+    }
+  });
+
+  var PointToGeoJSON = {
+    toGeoJSON: function () {
+      return L.GeoJSON.getFeature(this, {
+        type: 'Point',
+        coordinates: L.GeoJSON.latLngToCoords(this.getLatLng())
+      });
+    }
+  };
+
+  L.Marker.include(PointToGeoJSON);
+  L.Circle.include(PointToGeoJSON);
+  L.CircleMarker.include(PointToGeoJSON);
+
+  L.Polyline.include({
+    toGeoJSON: function () {
+      return L.GeoJSON.getFeature(this, {
+        type: 'LineString',
+        coordinates: L.GeoJSON.latLngsToCoords(this.getLatLngs())
+      });
+    }
+  });
+
+  L.Polygon.include({
+    toGeoJSON: function () {
+      var coords = [L.GeoJSON.latLngsToCoords(this.getLatLngs())],
+        i, len, hole;
+
+      coords[0].push(coords[0][0]);
+
+      if (this._holes) {
+        for (i = 0, len = this._holes.length; i < len; i++) {
+          hole = L.GeoJSON.latLngsToCoords(this._holes[i]);
+          hole.push(hole[0]);
+          coords.push(hole);
+        }
+      }
+
+      return L.GeoJSON.getFeature(this, {
+        type: 'Polygon',
+        coordinates: coords
+      });
+    }
+  });
+
+  (function () {
+    function multiToGeoJSON(type) {
+      return function () {
+        var coords = [];
+
+        this.eachLayer(function (layer) {
+          coords.push(layer.toGeoJSON().geometry.coordinates);
+        });
+
+        return L.GeoJSON.getFeature(this, {
+          type: type,
+          coordinates: coords
+        });
+      };
+    }
+
+    L.MultiPolyline.include({toGeoJSON: multiToGeoJSON('MultiLineString')});
+    L.MultiPolygon.include({toGeoJSON: multiToGeoJSON('MultiPolygon')});
+
+    L.LayerGroup.include({
+      toGeoJSON: function () {
+
+        var geometry = this.feature && this.feature.geometry,
+          jsons = [],
+          json;
+
+        if (geometry && geometry.type === 'MultiPoint') {
+          return multiToGeoJSON('MultiPoint').call(this);
+        }
+
+        var isGeometryCollection = geometry && geometry.type === 'GeometryCollection';
+
+        this.eachLayer(function (layer) {
+          if (layer.toGeoJSON) {
+            json = layer.toGeoJSON();
+            jsons.push(isGeometryCollection ? json.geometry : L.GeoJSON.asFeature(json));
+          }
+        });
+
+        if (isGeometryCollection) {
+          return L.GeoJSON.getFeature(this, {
+            geometries: jsons,
+            type: 'GeometryCollection'
+          });
+        }
+
+        return {
+          type: 'FeatureCollection',
+          features: jsons
+        };
+      }
+    });
+  }());
+
+  L.geoJson = function (geojson, options) {
+    return new L.GeoJSON(geojson, options);
+  };
+
+
+  /*
+ * L.DomEvent contains functions for working with DOM events.
+ */
+
+  L.DomEvent = {
+    /* inspired by John Resig, Dean Edwards and YUI addEvent implementations */
+    addListener: function (obj, type, fn, context) { // (HTMLElement, String, Function[, Object])
+
+      var id = L.stamp(fn),
+        key = '_leaflet_' + type + id,
+        handler, originalHandler, newType;
+
+      if (obj[key]) { return this; }
+
+      handler = function (e) {
+        return fn.call(context || obj, e || L.DomEvent._getEvent());
+      };
+
+      if (L.Browser.pointer && type.indexOf('touch') === 0) {
+        return this.addPointerListener(obj, type, handler, id);
+      }
+      if (L.Browser.touch && (type === 'dblclick') && this.addDoubleTapListener) {
+        this.addDoubleTapListener(obj, handler, id);
+      }
+
+      if ('addEventListener' in obj) {
+
+        if (type === 'mousewheel') {
+          obj.addEventListener('DOMMouseScroll', handler, false);
+          obj.addEventListener(type, handler, false);
+
+        } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+
+          originalHandler = handler;
+          newType = (type === 'mouseenter' ? 'mouseover' : 'mouseout');
+
+          handler = function (e) {
+            if (!L.DomEvent._checkMouse(obj, e)) { return; }
+            return originalHandler(e);
+          };
+
+          obj.addEventListener(newType, handler, false);
+
+        } else if (type === 'click' && L.Browser.android) {
+          originalHandler = handler;
+          handler = function (e) {
+            return L.DomEvent._filterClick(e, originalHandler);
+          };
+
+          obj.addEventListener(type, handler, false);
+        } else {
+          obj.addEventListener(type, handler, false);
+        }
+
+      } else if ('attachEvent' in obj) {
+        obj.attachEvent('on' + type, handler);
+      }
+
+      obj[key] = handler;
+
+      return this;
+    },
+
+    removeListener: function (obj, type, fn) {  // (HTMLElement, String, Function)
+
+      var id = L.stamp(fn),
+        key = '_leaflet_' + type + id,
+        handler = obj[key];
+
+      if (!handler) { return this; }
+
+      if (L.Browser.pointer && type.indexOf('touch') === 0) {
+        this.removePointerListener(obj, type, id);
+      } else if (L.Browser.touch && (type === 'dblclick') && this.removeDoubleTapListener) {
+        this.removeDoubleTapListener(obj, id);
+
+      } else if ('removeEventListener' in obj) {
+
+        if (type === 'mousewheel') {
+          obj.removeEventListener('DOMMouseScroll', handler, false);
+          obj.removeEventListener(type, handler, false);
+
+        } else if ((type === 'mouseenter') || (type === 'mouseleave')) {
+          obj.removeEventListener((type === 'mouseenter' ? 'mouseover' : 'mouseout'), handler, false);
+        } else {
+          obj.removeEventListener(type, handler, false);
+        }
+      } else if ('detachEvent' in obj) {
+        obj.detachEvent('on' + type, handler);
+      }
+
+      obj[key] = null;
+
+      return this;
+    },
+
+    stopPropagation: function (e) {
+
+      if (e.stopPropagation) {
+        e.stopPropagation();
+      } else {
+        e.cancelBubble = true;
+      }
+      L.DomEvent._skipped(e);
+
+      return this;
+    },
+
+    disableScrollPropagation: function (el) {
+      var stop = L.DomEvent.stopPropagation;
+
+      return L.DomEvent
+        .on(el, 'mousewheel', stop)
+        .on(el, 'MozMousePixelScroll', stop);
+    },
+
+    disableClickPropagation: function (el) {
+      var stop = L.DomEvent.stopPropagation;
+
+      for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
+        L.DomEvent.on(el, L.Draggable.START[i], stop);
+      }
+
+      return L.DomEvent
+        .on(el, 'click', L.DomEvent._fakeStop)
+        .on(el, 'dblclick', stop);
+    },
+
+    preventDefault: function (e) {
+
+      if (e.preventDefault) {
+        e.preventDefault();
+      } else {
+        e.returnValue = false;
+      }
+      return this;
+    },
+
+    stop: function (e) {
+      return L.DomEvent
+        .preventDefault(e)
+        .stopPropagation(e);
+    },
+
+    getMousePosition: function (e, container) {
+      if (!container) {
+        return new L.Point(e.clientX, e.clientY);
+      }
+
+      var rect = container.getBoundingClientRect();
+
+      return new L.Point(
+        e.clientX - rect.left - container.clientLeft,
+        e.clientY - rect.top - container.clientTop);
+    },
+
+    getWheelDelta: function (e) {
+
+      var delta = 0;
+
+      if (e.wheelDelta) {
+        delta = e.wheelDelta / 120;
+      }
+      if (e.detail) {
+        delta = -e.detail / 3;
+      }
+      return delta;
+    },
+
+    _skipEvents: {},
+
+    _fakeStop: function (e) {
+      // fakes stopPropagation by setting a special event flag, checked/reset with L.DomEvent._skipped(e)
+      L.DomEvent._skipEvents[e.type] = true;
+    },
+
+    _skipped: function (e) {
+      var skipped = this._skipEvents[e.type];
+      // reset when checking, as it's only used in map container and propagates outside of the map
+      this._skipEvents[e.type] = false;
+      return skipped;
+    },
+
+    // check if element really left/entered the event target (for mouseenter/mouseleave)
+    _checkMouse: function (el, e) {
+
+      var related = e.relatedTarget;
+
+      if (!related) { return true; }
+
+      try {
+        while (related && (related !== el)) {
+          related = related.parentNode;
+        }
+      } catch (err) {
+        return false;
+      }
+      return (related !== el);
+    },
+
+    _getEvent: function () { // evil magic for IE
+      /*jshint noarg:false */
+      var e = window.event;
+      if (!e) {
+        var caller = arguments.callee.caller;
+        while (caller) {
+          e = caller['arguments'][0];
+          if (e && window.Event === e.constructor) {
+            break;
+          }
+          caller = caller.caller;
+        }
+      }
+      return e;
+    },
+
+    // this is a horrible workaround for a bug in Android where a single touch triggers two click events
+    _filterClick: function (e, handler) {
+      var timeStamp = (e.timeStamp || e.originalEvent.timeStamp),
+        elapsed = L.DomEvent._lastClick && (timeStamp - L.DomEvent._lastClick);
+
+      // are they closer together than 500ms yet more than 100ms?
+      // Android typically triggers them ~300ms apart while multiple listeners
+      // on the same event should be triggered far faster;
+      // or check if click is simulated on the element, and if it is, reject any non-simulated events
+
+      if ((elapsed && elapsed > 100 && elapsed < 500) || (e.target._simulatedClick && !e._simulated)) {
+        L.DomEvent.stop(e);
+        return;
+      }
+      L.DomEvent._lastClick = timeStamp;
+
+      return handler(e);
+    }
+  };
+
+  L.DomEvent.on = L.DomEvent.addListener;
+  L.DomEvent.off = L.DomEvent.removeListener;
+
+
+  /*
+ * L.Draggable allows you to add dragging capabilities to any element. Supports mobile devices too.
+ */
+
+  L.Draggable = L.Class.extend({
+    includes: L.Mixin.Events,
+
+    statics: {
+      START: L.Browser.touch ? ['touchstart', 'mousedown'] : ['mousedown'],
+      END: {
+        mousedown: 'mouseup',
+        touchstart: 'touchend',
+        pointerdown: 'touchend',
+        MSPointerDown: 'touchend'
+      },
+      MOVE: {
+        mousedown: 'mousemove',
+        touchstart: 'touchmove',
+        pointerdown: 'touchmove',
+        MSPointerDown: 'touchmove'
+      }
+    },
+
+    initialize: function (element, dragStartTarget) {
+      this._element = element;
+      this._dragStartTarget = dragStartTarget || element;
+    },
+
+    enable: function () {
+      if (this._enabled) { return; }
+
+      for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
+        L.DomEvent.on(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
+      }
+
+      this._enabled = true;
+    },
+
+    disable: function () {
+      if (!this._enabled) { return; }
+
+      for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
+        L.DomEvent.off(this._dragStartTarget, L.Draggable.START[i], this._onDown, this);
+      }
+
+      this._enabled = false;
+      this._moved = false;
+    },
+
+    _onDown: function (e) {
+      this._moved = false;
+
+      if (e.shiftKey || ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
+
+      L.DomEvent.stopPropagation(e);
+
+      if (L.Draggable._disabled) { return; }
+
+      L.DomUtil.disableImageDrag();
+      L.DomUtil.disableTextSelection();
+
+      if (this._moving) { return; }
+
+      var first = e.touches ? e.touches[0] : e;
+
+      this._startPoint = new L.Point(first.clientX, first.clientY);
+      this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
+
+      L.DomEvent
+        .on(document, L.Draggable.MOVE[e.type], this._onMove, this)
+        .on(document, L.Draggable.END[e.type], this._onUp, this);
+    },
+
+    _onMove: function (e) {
+      if (e.touches && e.touches.length > 1) {
+        this._moved = true;
+        return;
+      }
+
+      var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
+        newPoint = new L.Point(first.clientX, first.clientY),
+        offset = newPoint.subtract(this._startPoint);
+
+      if (!offset.x && !offset.y) { return; }
+      if (L.Browser.touch && Math.abs(offset.x) + Math.abs(offset.y) < 3) { return; }
+
+      L.DomEvent.preventDefault(e);
+
+      if (!this._moved) {
+        this.fire('dragstart');
+
+        this._moved = true;
+        this._startPos = L.DomUtil.getPosition(this._element).subtract(offset);
+
+        L.DomUtil.addClass(document.body, 'leaflet-dragging');
+        this._lastTarget = e.target || e.srcElement;
+        L.DomUtil.addClass(this._lastTarget, 'leaflet-drag-target');
+      }
+
+      this._newPos = this._startPos.add(offset);
+      this._moving = true;
+
+      L.Util.cancelAnimFrame(this._animRequest);
+      this._animRequest = L.Util.requestAnimFrame(this._updatePosition, this, true, this._dragStartTarget);
+    },
+
+    _updatePosition: function () {
+      this.fire('predrag');
+      L.DomUtil.setPosition(this._element, this._newPos);
+      this.fire('drag');
+    },
+
+    _onUp: function () {
+      L.DomUtil.removeClass(document.body, 'leaflet-dragging');
+
+      if (this._lastTarget) {
+        L.DomUtil.removeClass(this._lastTarget, 'leaflet-drag-target');
+        this._lastTarget = null;
+      }
+
+      for (var i in L.Draggable.MOVE) {
+        L.DomEvent
+          .off(document, L.Draggable.MOVE[i], this._onMove)
+          .off(document, L.Draggable.END[i], this._onUp);
+      }
+
+      L.DomUtil.enableImageDrag();
+      L.DomUtil.enableTextSelection();
+
+      if (this._moved && this._moving) {
+        // ensure drag is not fired after dragend
+        L.Util.cancelAnimFrame(this._animRequest);
+
+        this.fire('dragend', {
+          distance: this._newPos.distanceTo(this._startPos)
+        });
+      }
+
+      this._moving = false;
+    }
+  });
+
+
+  /*
+	L.Handler is a base class for handler classes that are used internally to inject
+	interaction features like dragging to classes like Map and Marker.
+*/
+
+  L.Handler = L.Class.extend({
+    initialize: function (map) {
+      this._map = map;
+    },
+
+    enable: function () {
+      if (this._enabled) { return; }
+
+      this._enabled = true;
+      this.addHooks();
+    },
+
+    disable: function () {
+      if (!this._enabled) { return; }
+
+      this._enabled = false;
+      this.removeHooks();
+    },
+
+    enabled: function () {
+      return !!this._enabled;
+    }
+  });
+
+
+  /*
+ * L.Handler.MapDrag is used to make the map draggable (with panning inertia), enabled by default.
+ */
+
+  L.Map.mergeOptions({
+    dragging: true,
+
+    inertia: !L.Browser.android23,
+    inertiaDeceleration: 3400, // px/s^2
+    inertiaMaxSpeed: Infinity, // px/s
+    inertiaThreshold: L.Browser.touch ? 32 : 18, // ms
+    easeLinearity: 0.25,
+
+    // TODO refactor, move to CRS
+    worldCopyJump: false
+  });
+
+  L.Map.Drag = L.Handler.extend({
+    addHooks: function () {
+      if (!this._draggable) {
+        var map = this._map;
+
+        this._draggable = new L.Draggable(map._mapPane, map._container);
+
+        this._draggable.on({
+          'dragstart': this._onDragStart,
+          'drag': this._onDrag,
+          'dragend': this._onDragEnd
+        }, this);
+
+        if (map.options.worldCopyJump) {
+          this._draggable.on('predrag', this._onPreDrag, this);
+          map.on('viewreset', this._onViewReset, this);
+
+          map.whenReady(this._onViewReset, this);
+        }
+      }
+      this._draggable.enable();
+    },
+
+    removeHooks: function () {
+      this._draggable.disable();
+    },
+
+    moved: function () {
+      return this._draggable && this._draggable._moved;
+    },
+
+    _onDragStart: function () {
+      var map = this._map;
+
+      if (map._panAnim) {
+        map._panAnim.stop();
+      }
+
+      map
+        .fire('movestart')
+        .fire('dragstart');
+
+      if (map.options.inertia) {
+        this._positions = [];
+        this._times = [];
+      }
+    },
+
+    _onDrag: function () {
+      if (this._map.options.inertia) {
+        var time = this._lastTime = +new Date(),
+          pos = this._lastPos = this._draggable._newPos;
+
+        this._positions.push(pos);
+        this._times.push(time);
+
+        if (time - this._times[0] > 200) {
+          this._positions.shift();
+          this._times.shift();
+        }
+      }
+
+      this._map
+        .fire('move')
+        .fire('drag');
+    },
+
+    _onViewReset: function () {
+      // TODO fix hardcoded Earth values
+      var pxCenter = this._map.getSize()._divideBy(2),
+        pxWorldCenter = this._map.latLngToLayerPoint([0, 0]);
+
+      this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
+      this._worldWidth = this._map.project([0, 180]).x;
+    },
+
+    _onPreDrag: function () {
+      // TODO refactor to be able to adjust map pane position after zoom
+      var worldWidth = this._worldWidth,
+        halfWidth = Math.round(worldWidth / 2),
+        dx = this._initialWorldOffset,
+        x = this._draggable._newPos.x,
+        newX1 = (x - halfWidth + dx) % worldWidth + halfWidth - dx,
+        newX2 = (x + halfWidth + dx) % worldWidth - halfWidth - dx,
+        newX = Math.abs(newX1 + dx) < Math.abs(newX2 + dx) ? newX1 : newX2;
+
+      this._draggable._newPos.x = newX;
+    },
+
+    _onDragEnd: function (e) {
+      var map = this._map,
+        options = map.options,
+        delay = +new Date() - this._lastTime,
+
+        noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];
+
+      map.fire('dragend', e);
+
+      if (noInertia) {
+        map.fire('moveend');
+
+      } else {
+
+        var direction = this._lastPos.subtract(this._positions[0]),
+          duration = (this._lastTime + delay - this._times[0]) / 1000,
+          ease = options.easeLinearity,
+
+          speedVector = direction.multiplyBy(ease / duration),
+          speed = speedVector.distanceTo([0, 0]),
+
+          limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
+          limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
+
+          decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
+          offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
+
+        if (!offset.x || !offset.y) {
+          map.fire('moveend');
+
+        } else {
+          offset = map._limitOffset(offset, map.options.maxBounds);
+
+          L.Util.requestAnimFrame(function () {
+            map.panBy(offset, {
+              duration: decelerationDuration,
+              easeLinearity: ease,
+              noMoveStart: true
+            });
+          });
+        }
+      }
+    }
+  });
+
+  L.Map.addInitHook('addHandler', 'dragging', L.Map.Drag);
+
+
+  /*
+ * L.Handler.DoubleClickZoom is used to handle double-click zoom on the map, enabled by default.
+ */
+
+  L.Map.mergeOptions({
+    doubleClickZoom: true
+  });
+
+  L.Map.DoubleClickZoom = L.Handler.extend({
+    addHooks: function () {
+      this._map.on('dblclick', this._onDoubleClick, this);
+    },
+
+    removeHooks: function () {
+      this._map.off('dblclick', this._onDoubleClick, this);
+    },
+
+    _onDoubleClick: function (e) {
+      var map = this._map,
+        zoom = map.getZoom() + (e.originalEvent.shiftKey ? -1 : 1);
+
+      if (map.options.doubleClickZoom === 'center') {
+        map.setZoom(zoom);
+      } else {
+        map.setZoomAround(e.containerPoint, zoom);
+      }
+    }
+  });
+
+  L.Map.addInitHook('addHandler', 'doubleClickZoom', L.Map.DoubleClickZoom);
+
+
+  /*
+ * L.Handler.ScrollWheelZoom is used by L.Map to enable mouse scroll wheel zoom on the map.
+ */
+
+  L.Map.mergeOptions({
+    scrollWheelZoom: true
+  });
+
+  L.Map.ScrollWheelZoom = L.Handler.extend({
+    addHooks: function () {
+      L.DomEvent.on(this._map._container, 'mousewheel', this._onWheelScroll, this);
+      L.DomEvent.on(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);
+      this._delta = 0;
+    },
+
+    removeHooks: function () {
+      L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll);
+      L.DomEvent.off(this._map._container, 'MozMousePixelScroll', L.DomEvent.preventDefault);
+    },
+
+    _onWheelScroll: function (e) {
+      var delta = L.DomEvent.getWheelDelta(e);
+
+      this._delta += delta;
+      this._lastMousePos = this._map.mouseEventToContainerPoint(e);
+
+      if (!this._startTime) {
+        this._startTime = +new Date();
+      }
+
+      var left = Math.max(40 - (+new Date() - this._startTime), 0);
+
+      clearTimeout(this._timer);
+      this._timer = setTimeout(L.bind(this._performZoom, this), left);
+
+      L.DomEvent.preventDefault(e);
+      L.DomEvent.stopPropagation(e);
+    },
+
+    _performZoom: function () {
+      var map = this._map,
+        delta = this._delta,
+        zoom = map.getZoom();
+
+      delta = delta > 0 ? Math.ceil(delta) : Math.floor(delta);
+      delta = Math.max(Math.min(delta, 4), -4);
+      delta = map._limitZoom(zoom + delta) - zoom;
+
+      this._delta = 0;
+      this._startTime = null;
+
+      if (!delta) { return; }
+
+      if (map.options.scrollWheelZoom === 'center') {
+        map.setZoom(zoom + delta);
+      } else {
+        map.setZoomAround(this._lastMousePos, zoom + delta);
+      }
+    }
+  });
+
+  L.Map.addInitHook('addHandler', 'scrollWheelZoom', L.Map.ScrollWheelZoom);
+
+
+  /*
+ * Extends the event handling code with double tap support for mobile browsers.
+ */
+
+  L.extend(L.DomEvent, {
+
+    _touchstart: L.Browser.msPointer ? 'MSPointerDown' : L.Browser.pointer ? 'pointerdown' : 'touchstart',
+    _touchend: L.Browser.msPointer ? 'MSPointerUp' : L.Browser.pointer ? 'pointerup' : 'touchend',
+
+    // inspired by Zepto touch code by Thomas Fuchs
+    addDoubleTapListener: function (obj, handler, id) {
+      var last,
+        doubleTap = false,
+        delay = 250,
+        touch,
+        pre = '_leaflet_',
+        touchstart = this._touchstart,
+        touchend = this._touchend,
+        trackedTouches = [];
+
+      function onTouchStart(e) {
+        var count;
+
+        if (L.Browser.pointer) {
+          trackedTouches.push(e.pointerId);
+          count = trackedTouches.length;
+        } else {
+          count = e.touches.length;
+        }
+        if (count > 1) {
+          return;
+        }
+
+        var now = Date.now(),
+          delta = now - (last || now);
+
+        touch = e.touches ? e.touches[0] : e;
+        doubleTap = (delta > 0 && delta <= delay);
+        last = now;
+      }
+
+      function onTouchEnd(e) {
+        if (L.Browser.pointer) {
+          var idx = trackedTouches.indexOf(e.pointerId);
+          if (idx === -1) {
+            return;
+          }
+          trackedTouches.splice(idx, 1);
+        }
+
+        if (doubleTap) {
+          if (L.Browser.pointer) {
+            // work around .type being readonly with MSPointer* events
+            var newTouch = { },
+              prop;
+
+            // jshint forin:false
+            for (var i in touch) {
+              prop = touch[i];
+              if (typeof prop === 'function') {
+                newTouch[i] = prop.bind(touch);
+              } else {
+                newTouch[i] = prop;
+              }
+            }
+            touch = newTouch;
+          }
+          touch.type = 'dblclick';
+          handler(touch);
+          last = null;
+        }
+      }
+      obj[pre + touchstart + id] = onTouchStart;
+      obj[pre + touchend + id] = onTouchEnd;
+
+      // on pointer we need to listen on the document, otherwise a drag starting on the map and moving off screen
+      // will not come through to us, so we will lose track of how many touches are ongoing
+      var endElement = L.Browser.pointer ? document.documentElement : obj;
+
+      obj.addEventListener(touchstart, onTouchStart, false);
+      endElement.addEventListener(touchend, onTouchEnd, false);
+
+      if (L.Browser.pointer) {
+        endElement.addEventListener(L.DomEvent.POINTER_CANCEL, onTouchEnd, false);
+      }
+
+      return this;
+    },
+
+    removeDoubleTapListener: function (obj, id) {
+      var pre = '_leaflet_';
+
+      obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false);
+      (L.Browser.pointer ? document.documentElement : obj).removeEventListener(
+        this._touchend, obj[pre + this._touchend + id], false);
+
+      if (L.Browser.pointer) {
+        document.documentElement.removeEventListener(L.DomEvent.POINTER_CANCEL, obj[pre + this._touchend + id],
+          false);
+      }
+
+      return this;
+    }
+  });
+
+
+  /*
+ * Extends L.DomEvent to provide touch support for Internet Explorer and Windows-based devices.
+ */
+
+  L.extend(L.DomEvent, {
+
+    //static
+    POINTER_DOWN: L.Browser.msPointer ? 'MSPointerDown' : 'pointerdown',
+    POINTER_MOVE: L.Browser.msPointer ? 'MSPointerMove' : 'pointermove',
+    POINTER_UP: L.Browser.msPointer ? 'MSPointerUp' : 'pointerup',
+    POINTER_CANCEL: L.Browser.msPointer ? 'MSPointerCancel' : 'pointercancel',
+
+    _pointers: [],
+    _pointerDocumentListener: false,
+
+    // Provides a touch events wrapper for (ms)pointer events.
+    // Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019
+    //ref http://www.w3.org/TR/pointerevents/ https://www.w3.org/Bugs/Public/show_bug.cgi?id=22890
+
+    addPointerListener: function (obj, type, handler, id) {
+
+      switch (type) {
+        case 'touchstart':
+          return this.addPointerListenerStart(obj, type, handler, id);
+        case 'touchend':
+          return this.addPointerListenerEnd(obj, type, handler, id);
+        case 'touchmove':
+          return this.addPointerListenerMove(obj, type, handler, id);
+        default:
+          throw 'Unknown touch event type';
+      }
+    },
+
+    addPointerListenerStart: function (obj, type, handler, id) {
+      var pre = '_leaflet_',
+        pointers = this._pointers;
+
+      var cb = function (e) {
+        if (e.pointerType !== 'mouse' && e.pointerType !== e.MSPOINTER_TYPE_MOUSE) {
+          L.DomEvent.preventDefault(e);
+        }
+
+        var alreadyInArray = false;
+        for (var i = 0; i < pointers.length; i++) {
+          if (pointers[i].pointerId === e.pointerId) {
+            alreadyInArray = true;
+            break;
+          }
+        }
+        if (!alreadyInArray) {
+          pointers.push(e);
+        }
+
+        e.touches = pointers.slice();
+        e.changedTouches = [e];
+
+        handler(e);
+      };
+
+      obj[pre + 'touchstart' + id] = cb;
+      obj.addEventListener(this.POINTER_DOWN, cb, false);
+
+      // need to also listen for end events to keep the _pointers list accurate
+      // this needs to be on the body and never go away
+      if (!this._pointerDocumentListener) {
+        var internalCb = function (e) {
+          for (var i = 0; i < pointers.length; i++) {
+            if (pointers[i].pointerId === e.pointerId) {
+              pointers.splice(i, 1);
+              break;
+            }
+          }
+        };
+        //We listen on the documentElement as any drags that end by moving the touch off the screen get fired there
+        document.documentElement.addEventListener(this.POINTER_UP, internalCb, false);
+        document.documentElement.addEventListener(this.POINTER_CANCEL, internalCb, false);
+
+        this._pointerDocumentListener = true;
+      }
+
+      return this;
+    },
+
+    addPointerListenerMove: function (obj, type, handler, id) {
+      var pre = '_leaflet_',
+        touches = this._pointers;
+
+      function cb(e) {
+
+        // don't fire touch moves when mouse isn't down
+        if ((e.pointerType === e.MSPOINTER_TYPE_MOUSE || e.pointerType === 'mouse') && e.buttons === 0) { return; }
+
+        for (var i = 0; i < touches.length; i++) {
+          if (touches[i].pointerId === e.pointerId) {
+            touches[i] = e;
+            break;
+          }
+        }
+
+        e.touches = touches.slice();
+        e.changedTouches = [e];
+
+        handler(e);
+      }
+
+      obj[pre + 'touchmove' + id] = cb;
+      obj.addEventListener(this.POINTER_MOVE, cb, false);
+
+      return this;
+    },
+
+    addPointerListenerEnd: function (obj, type, handler, id) {
+      var pre = '_leaflet_',
+        touches = this._pointers;
+
+      var cb = function (e) {
+        for (var i = 0; i < touches.length; i++) {
+          if (touches[i].pointerId === e.pointerId) {
+            touches.splice(i, 1);
+            break;
+          }
+        }
+
+        e.touches = touches.slice();
+        e.changedTouches = [e];
+
+        handler(e);
+      };
+
+      obj[pre + 'touchend' + id] = cb;
+      obj.addEventListener(this.POINTER_UP, cb, false);
+      obj.addEventListener(this.POINTER_CANCEL, cb, false);
+
+      return this;
+    },
+
+    removePointerListener: function (obj, type, id) {
+      var pre = '_leaflet_',
+        cb = obj[pre + type + id];
+
+      switch (type) {
+        case 'touchstart':
+          obj.removeEventListener(this.POINTER_DOWN, cb, false);
+          break;
+        case 'touchmove':
+          obj.removeEventListener(this.POINTER_MOVE, cb, false);
+          break;
+        case 'touchend':
+          obj.removeEventListener(this.POINTER_UP, cb, false);
+          obj.removeEventListener(this.POINTER_CANCEL, cb, false);
+          break;
+      }
+
+      return this;
+    }
+  });
+
+
+  /*
+ * L.Handler.TouchZoom is used by L.Map to add pinch zoom on supported mobile browsers.
+ */
+
+  L.Map.mergeOptions({
+    touchZoom: L.Browser.touch && !L.Browser.android23,
+    bounceAtZoomLimits: true
+  });
+
+  L.Map.TouchZoom = L.Handler.extend({
+    addHooks: function () {
+      L.DomEvent.on(this._map._container, 'touchstart', this._onTouchStart, this);
+    },
+
+    removeHooks: function () {
+      L.DomEvent.off(this._map._container, 'touchstart', this._onTouchStart, this);
+    },
+
+    _onTouchStart: function (e) {
+      var map = this._map;
+
+      if (!e.touches || e.touches.length !== 2 || map._animatingZoom || this._zooming) { return; }
+
+      var p1 = map.mouseEventToLayerPoint(e.touches[0]),
+        p2 = map.mouseEventToLayerPoint(e.touches[1]),
+        viewCenter = map._getCenterLayerPoint();
+
+      this._startCenter = p1.add(p2)._divideBy(2);
+      this._startDist = p1.distanceTo(p2);
+
+      this._moved = false;
+      this._zooming = true;
+
+      this._centerOffset = viewCenter.subtract(this._startCenter);
+
+      if (map._panAnim) {
+        map._panAnim.stop();
+      }
+
+      L.DomEvent
+        .on(document, 'touchmove', this._onTouchMove, this)
+        .on(document, 'touchend', this._onTouchEnd, this);
+
+      L.DomEvent.preventDefault(e);
+    },
+
+    _onTouchMove: function (e) {
+      var map = this._map;
+
+      if (!e.touches || e.touches.length !== 2 || !this._zooming) { return; }
+
+      var p1 = map.mouseEventToLayerPoint(e.touches[0]),
+        p2 = map.mouseEventToLayerPoint(e.touches[1]);
+
+      this._scale = p1.distanceTo(p2) / this._startDist;
+      this._delta = p1._add(p2)._divideBy(2)._subtract(this._startCenter);
+
+      if (this._scale === 1) { return; }
+
+      if (!map.options.bounceAtZoomLimits) {
+        if ((map.getZoom() === map.getMinZoom() && this._scale < 1) ||
+          (map.getZoom() === map.getMaxZoom() && this._scale > 1)) { return; }
+      }
+
+      if (!this._moved) {
+        L.DomUtil.addClass(map._mapPane, 'leaflet-touching');
+
+        map
+          .fire('movestart')
+          .fire('zoomstart');
+
+        this._moved = true;
+      }
+
+      L.Util.cancelAnimFrame(this._animRequest);
+      this._animRequest = L.Util.requestAnimFrame(
+        this._updateOnMove, this, true, this._map._container);
+
+      L.DomEvent.preventDefault(e);
+    },
+
+    _updateOnMove: function () {
+      var map = this._map,
+        origin = this._getScaleOrigin(),
+        center = map.layerPointToLatLng(origin),
+        zoom = map.getScaleZoom(this._scale);
+
+      map._animateZoom(center, zoom, this._startCenter, this._scale, this._delta, false, true);
+    },
+
+    _onTouchEnd: function () {
+      if (!this._moved || !this._zooming) {
+        this._zooming = false;
+        return;
+      }
+
+      var map = this._map;
+
+      this._zooming = false;
+      L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
+      L.Util.cancelAnimFrame(this._animRequest);
+
+      L.DomEvent
+        .off(document, 'touchmove', this._onTouchMove)
+        .off(document, 'touchend', this._onTouchEnd);
+
+      var origin = this._getScaleOrigin(),
+        center = map.layerPointToLatLng(origin),
+
+        oldZoom = map.getZoom(),
+        floatZoomDelta = map.getScaleZoom(this._scale) - oldZoom,
+        roundZoomDelta = (floatZoomDelta > 0 ?
+          Math.ceil(floatZoomDelta) : Math.floor(floatZoomDelta)),
+
+        zoom = map._limitZoom(oldZoom + roundZoomDelta),
+        scale = map.getZoomScale(zoom) / this._scale;
+
+      map._animateZoom(center, zoom, origin, scale);
+    },
+
+    _getScaleOrigin: function () {
+      var centerOffset = this._centerOffset.subtract(this._delta).divideBy(this._scale);
+      return this._startCenter.add(centerOffset);
+    }
+  });
+
+  L.Map.addInitHook('addHandler', 'touchZoom', L.Map.TouchZoom);
+
+
+  /*
+ * L.Map.Tap is used to enable mobile hacks like quick taps and long hold.
+ */
+
+  L.Map.mergeOptions({
+    tap: true,
+    tapTolerance: 15
+  });
+
+  L.Map.Tap = L.Handler.extend({
+    addHooks: function () {
+      L.DomEvent.on(this._map._container, 'touchstart', this._onDown, this);
+    },
+
+    removeHooks: function () {
+      L.DomEvent.off(this._map._container, 'touchstart', this._onDown, this);
+    },
+
+    _onDown: function (e) {
+      if (!e.touches) { return; }
+
+      L.DomEvent.preventDefault(e);
+
+      this._fireClick = true;
+
+      // don't simulate click or track longpress if more than 1 touch
+      if (e.touches.length > 1) {
+        this._fireClick = false;
+        clearTimeout(this._holdTimeout);
+        return;
+      }
+
+      var first = e.touches[0],
+        el = first.target;
+
+      this._startPos = this._newPos = new L.Point(first.clientX, first.clientY);
+
+      // if touching a link, highlight it
+      if (el.tagName && el.tagName.toLowerCase() === 'a') {
+        L.DomUtil.addClass(el, 'leaflet-active');
+      }
+
+      // simulate long hold but setting a timeout
+      this._holdTimeout = setTimeout(L.bind(function () {
+        if (this._isTapValid()) {
+          this._fireClick = false;
+          this._onUp();
+          this._simulateEvent('contextmenu', first);
+        }
+      }, this), 1000);
+
+      L.DomEvent
+        .on(document, 'touchmove', this._onMove, this)
+        .on(document, 'touchend', this._onUp, this);
+    },
+
+    _onUp: function (e) {
+      clearTimeout(this._holdTimeout);
+
+      L.DomEvent
+        .off(document, 'touchmove', this._onMove, this)
+        .off(document, 'touchend', this._onUp, this);
+
+      if (this._fireClick && e && e.changedTouches) {
+
+        var first = e.changedTouches[0],
+          el = first.target;
+
+        if (el && el.tagName && el.tagName.toLowerCase() === 'a') {
+          L.DomUtil.removeClass(el, 'leaflet-active');
+        }
+
+        // simulate click if the touch didn't move too much
+        if (this._isTapValid()) {
+          this._simulateEvent('click', first);
+        }
+      }
+    },
+
+    _isTapValid: function () {
+      return this._newPos.distanceTo(this._startPos) <= this._map.options.tapTolerance;
+    },
+
+    _onMove: function (e) {
+      var first = e.touches[0];
+      this._newPos = new L.Point(first.clientX, first.clientY);
+    },
+
+    _simulateEvent: function (type, e) {
+      var simulatedEvent = document.createEvent('MouseEvents');
+
+      simulatedEvent._simulated = true;
+      e.target._simulatedClick = true;
+
+      simulatedEvent.initMouseEvent(
+        type, true, true, window, 1,
+        e.screenX, e.screenY,
+        e.clientX, e.clientY,
+        false, false, false, false, 0, null);
+
+      e.target.dispatchEvent(simulatedEvent);
+    }
+  });
+
+  if (L.Browser.touch && !L.Browser.pointer) {
+    L.Map.addInitHook('addHandler', 'tap', L.Map.Tap);
+  }
+
+
+  /*
+ * L.Handler.ShiftDragZoom is used to add shift-drag zoom interaction to the map
+  * (zoom to a selected bounding box), enabled by default.
+ */
+
+  L.Map.mergeOptions({
+    boxZoom: true
+  });
+
+  L.Map.BoxZoom = L.Handler.extend({
+    initialize: function (map) {
+      this._map = map;
+      this._container = map._container;
+      this._pane = map._panes.overlayPane;
+      this._moved = false;
+    },
+
+    addHooks: function () {
+      L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this);
+    },
+
+    removeHooks: function () {
+      L.DomEvent.off(this._container, 'mousedown', this._onMouseDown);
+      this._moved = false;
+    },
+
+    moved: function () {
+      return this._moved;
+    },
+
+    _onMouseDown: function (e) {
+      this._moved = false;
+
+      if (!e.shiftKey || ((e.which !== 1) && (e.button !== 1))) { return false; }
+
+      L.DomUtil.disableTextSelection();
+      L.DomUtil.disableImageDrag();
+
+      this._startLayerPoint = this._map.mouseEventToLayerPoint(e);
+
+      L.DomEvent
+        .on(document, 'mousemove', this._onMouseMove, this)
+        .on(document, 'mouseup', this._onMouseUp, this)
+        .on(document, 'keydown', this._onKeyDown, this);
+    },
+
+    _onMouseMove: function (e) {
+      if (!this._moved) {
+        this._box = L.DomUtil.create('div', 'leaflet-zoom-box', this._pane);
+        L.DomUtil.setPosition(this._box, this._startLayerPoint);
+
+        //TODO refactor: move cursor to styles
+        this._container.style.cursor = 'crosshair';
+        this._map.fire('boxzoomstart');
+      }
+
+      var startPoint = this._startLayerPoint,
+        box = this._box,
+
+        layerPoint = this._map.mouseEventToLayerPoint(e),
+        offset = layerPoint.subtract(startPoint),
+
+        newPos = new L.Point(
+          Math.min(layerPoint.x, startPoint.x),
+          Math.min(layerPoint.y, startPoint.y));
+
+      L.DomUtil.setPosition(box, newPos);
+
+      this._moved = true;
+
+      // TODO refactor: remove hardcoded 4 pixels
+      box.style.width  = (Math.max(0, Math.abs(offset.x) - 4)) + 'px';
+      box.style.height = (Math.max(0, Math.abs(offset.y) - 4)) + 'px';
+    },
+
+    _finish: function () {
+      if (this._moved) {
+        this._pane.removeChild(this._box);
+        this._container.style.cursor = '';
+      }
+
+      L.DomUtil.enableTextSelection();
+      L.DomUtil.enableImageDrag();
+
+      L.DomEvent
+        .off(document, 'mousemove', this._onMouseMove)
+        .off(document, 'mouseup', this._onMouseUp)
+        .off(document, 'keydown', this._onKeyDown);
+    },
+
+    _onMouseUp: function (e) {
+
+      this._finish();
+
+      var map = this._map,
+        layerPoint = map.mouseEventToLayerPoint(e);
+
+      if (this._startLayerPoint.equals(layerPoint)) { return; }
+
+      var bounds = new L.LatLngBounds(
+        map.layerPointToLatLng(this._startLayerPoint),
+        map.layerPointToLatLng(layerPoint));
+
+      map.fitBounds(bounds);
+
+      map.fire('boxzoomend', {
+        boxZoomBounds: bounds
+      });
+    },
+
+    _onKeyDown: function (e) {
+      if (e.keyCode === 27) {
+        this._finish();
+      }
+    }
+  });
+
+  L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
+
+
+  /*
+ * L.Map.Keyboard is handling keyboard interaction with the map, enabled by default.
+ */
+
+  L.Map.mergeOptions({
+    keyboard: true,
+    keyboardPanOffset: 80,
+    keyboardZoomOffset: 1
+  });
+
+  L.Map.Keyboard = L.Handler.extend({
+
+    keyCodes: {
+      left:    [37],
+      right:   [39],
+      down:    [40],
+      up:      [38],
+      zoomIn:  [187, 107, 61, 171],
+      zoomOut: [189, 109, 173]
+    },
+
+    initialize: function (map) {
+      this._map = map;
+
+      this._setPanOffset(map.options.keyboardPanOffset);
+      this._setZoomOffset(map.options.keyboardZoomOffset);
+    },
+
+    addHooks: function () {
+      var container = this._map._container;
+
+      // make the container focusable by tabbing
+      if (container.tabIndex === -1) {
+        container.tabIndex = '0';
+      }
+
+      L.DomEvent
+        .on(container, 'focus', this._onFocus, this)
+        .on(container, 'blur', this._onBlur, this)
+        .on(container, 'mousedown', this._onMouseDown, this);
+
+      this._map
+        .on('focus', this._addHooks, this)
+        .on('blur', this._removeHooks, this);
+    },
+
+    removeHooks: function () {
+      this._removeHooks();
+
+      var container = this._map._container;
+
+      L.DomEvent
+        .off(container, 'focus', this._onFocus, this)
+        .off(container, 'blur', this._onBlur, this)
+        .off(container, 'mousedown', this._onMouseDown, this);
+
+      this._map
+        .off('focus', this._addHooks, this)
+        .off('blur', this._removeHooks, this);
+    },
+
+    _onMouseDown: function () {
+      if (this._focused) { return; }
+
+      var body = document.body,
+        docEl = document.documentElement,
+        top = body.scrollTop || docEl.scrollTop,
+        left = body.scrollLeft || docEl.scrollLeft;
+
+      this._map._container.focus();
+
+      window.scrollTo(left, top);
+    },
+
+    _onFocus: function () {
+      this._focused = true;
+      this._map.fire('focus');
+    },
+
+    _onBlur: function () {
+      this._focused = false;
+      this._map.fire('blur');
+    },
+
+    _setPanOffset: function (pan) {
+      var keys = this._panKeys = {},
+        codes = this.keyCodes,
+        i, len;
+
+      for (i = 0, len = codes.left.length; i < len; i++) {
+        keys[codes.left[i]] = [-1 * pan, 0];
+      }
+      for (i = 0, len = codes.right.length; i < len; i++) {
+        keys[codes.right[i]] = [pan, 0];
+      }
+      for (i = 0, len = codes.down.length; i < len; i++) {
+        keys[codes.down[i]] = [0, pan];
+      }
+      for (i = 0, len = codes.up.length; i < len; i++) {
+        keys[codes.up[i]] = [0, -1 * pan];
+      }
+    },
+
+    _setZoomOffset: function (zoom) {
+      var keys = this._zoomKeys = {},
+        codes = this.keyCodes,
+        i, len;
+
+      for (i = 0, len = codes.zoomIn.length; i < len; i++) {
+        keys[codes.zoomIn[i]] = zoom;
+      }
+      for (i = 0, len = codes.zoomOut.length; i < len; i++) {
+        keys[codes.zoomOut[i]] = -zoom;
+      }
+    },
+
+    _addHooks: function () {
+      L.DomEvent.on(document, 'keydown', this._onKeyDown, this);
+    },
+
+    _removeHooks: function () {
+      L.DomEvent.off(document, 'keydown', this._onKeyDown, this);
+    },
+
+    _onKeyDown: function (e) {
+      var key = e.keyCode,
+        map = this._map;
+
+      if (key in this._panKeys) {
+
+        if (map._panAnim && map._panAnim._inProgress) { return; }
+
+        map.panBy(this._panKeys[key]);
+
+        if (map.options.maxBounds) {
+          map.panInsideBounds(map.options.maxBounds);
+        }
+
+      } else if (key in this._zoomKeys) {
+        map.setZoom(map.getZoom() + this._zoomKeys[key]);
+
+      } else {
+        return;
+      }
+
+      L.DomEvent.stop(e);
+    }
+  });
+
+  L.Map.addInitHook('addHandler', 'keyboard', L.Map.Keyboard);
+
+
+  /*
+ * L.Handler.MarkerDrag is used internally by L.Marker to make the markers draggable.
+ */
+
+  L.Handler.MarkerDrag = L.Handler.extend({
+    initialize: function (marker) {
+      this._marker = marker;
+    },
+
+    addHooks: function () {
+      var icon = this._marker._icon;
+      if (!this._draggable) {
+        this._draggable = new L.Draggable(icon, icon);
+      }
+
+      this._draggable
+        .on('dragstart', this._onDragStart, this)
+        .on('drag', this._onDrag, this)
+        .on('dragend', this._onDragEnd, this);
+      this._draggable.enable();
+      L.DomUtil.addClass(this._marker._icon, 'leaflet-marker-draggable');
+    },
+
+    removeHooks: function () {
+      this._draggable
+        .off('dragstart', this._onDragStart, this)
+        .off('drag', this._onDrag, this)
+        .off('dragend', this._onDragEnd, this);
+
+      this._draggable.disable();
+      L.DomUtil.removeClass(this._marker._icon, 'leaflet-marker-draggable');
+    },
+
+    moved: function () {
+      return this._draggable && this._draggable._moved;
+    },
+
+    _onDragStart: function () {
+      this._marker
+        .closePopup()
+        .fire('movestart')
+        .fire('dragstart');
+    },
+
+    _onDrag: function () {
+      var marker = this._marker,
+        shadow = marker._shadow,
+        iconPos = L.DomUtil.getPosition(marker._icon),
+        latlng = marker._map.layerPointToLatLng(iconPos);
+
+      // update shadow position
+      if (shadow) {
+        L.DomUtil.setPosition(shadow, iconPos);
+      }
+
+      marker._latlng = latlng;
+
+      marker
+        .fire('move', {latlng: latlng})
+        .fire('drag');
+    },
+
+    _onDragEnd: function (e) {
+      this._marker
+        .fire('moveend')
+        .fire('dragend', e);
+    }
+  });
+
+
+  /*
+ * L.Control is a base class for implementing map controls. Handles positioning.
+ * All other controls extend from this class.
+ */
+
+  L.Control = L.Class.extend({
+    options: {
+      position: 'topright'
+    },
+
+    initialize: function (options) {
+      L.setOptions(this, options);
+    },
+
+    getPosition: function () {
+      return this.options.position;
+    },
+
+    setPosition: function (position) {
+      var map = this._map;
+
+      if (map) {
+        map.removeControl(this);
+      }
+
+      this.options.position = position;
+
+      if (map) {
+        map.addControl(this);
+      }
+
+      return this;
+    },
+
+    getContainer: function () {
+      return this._container;
+    },
+
+    addTo: function (map) {
+      this._map = map;
+
+      var container = this._container = this.onAdd(map),
+        pos = this.getPosition(),
+        corner = map._controlCorners[pos];
+
+      L.DomUtil.addClass(container, 'leaflet-control');
+
+      if (pos.indexOf('bottom') !== -1) {
+        corner.insertBefore(container, corner.firstChild);
+      } else {
+        corner.appendChild(container);
+      }
+
+      return this;
+    },
+
+    removeFrom: function (map) {
+      var pos = this.getPosition(),
+        corner = map._controlCorners[pos];
+
+      corner.removeChild(this._container);
+      this._map = null;
+
+      if (this.onRemove) {
+        this.onRemove(map);
+      }
+
+      return this;
+    },
+
+    _refocusOnMap: function () {
+      if (this._map) {
+        this._map.getContainer().focus();
+      }
+    }
+  });
+
+  L.control = function (options) {
+    return new L.Control(options);
+  };
+
+
+// adds control-related methods to L.Map
+
+  L.Map.include({
+    addControl: function (control) {
+      control.addTo(this);
+      return this;
+    },
+
+    removeControl: function (control) {
+      control.removeFrom(this);
+      return this;
+    },
+
+    _initControlPos: function () {
+      var corners = this._controlCorners = {},
+        l = 'leaflet-',
+        container = this._controlContainer =
+          L.DomUtil.create('div', l + 'control-container', this._container);
+
+      function createCorner(vSide, hSide) {
+        var className = l + vSide + ' ' + l + hSide;
+
+        corners[vSide + hSide] = L.DomUtil.create('div', className, container);
+      }
+
+      createCorner('top', 'left');
+      createCorner('top', 'right');
+      createCorner('bottom', 'left');
+      createCorner('bottom', 'right');
+    },
+
+    _clearControlPos: function () {
+      this._container.removeChild(this._controlContainer);
+    }
+  });
+
+
+  /*
+ * L.Control.Zoom is used for the default zoom buttons on the map.
+ */
+
+  L.Control.Zoom = L.Control.extend({
+    options: {
+      position: 'topleft',
+      zoomInText: '+',
+      zoomInTitle: 'Zoom in',
+      zoomOutText: '-',
+      zoomOutTitle: 'Zoom out'
+    },
+
+    onAdd: function (map) {
+      var zoomName = 'leaflet-control-zoom',
+        container = L.DomUtil.create('div', zoomName + ' leaflet-bar');
+
+      this._map = map;
+
+      this._zoomInButton  = this._createButton(
+        this.options.zoomInText, this.options.zoomInTitle,
+        zoomName + '-in',  container, this._zoomIn,  this);
+      this._zoomOutButton = this._createButton(
+        this.options.zoomOutText, this.options.zoomOutTitle,
+        zoomName + '-out', container, this._zoomOut, this);
+
+      this._updateDisabled();
+      map.on('zoomend zoomlevelschange', this._updateDisabled, this);
+
+      return container;
+    },
+
+    onRemove: function (map) {
+      map.off('zoomend zoomlevelschange', this._updateDisabled, this);
+    },
+
+    _zoomIn: function (e) {
+      this._map.zoomIn(e.shiftKey ? 3 : 1);
+    },
+
+    _zoomOut: function (e) {
+      this._map.zoomOut(e.shiftKey ? 3 : 1);
+    },
+
+    _createButton: function (html, title, className, container, fn, context) {
+      var link = L.DomUtil.create('a', className, container);
+      link.innerHTML = html;
+      link.href = '#';
+      link.title = title;
+
+      var stop = L.DomEvent.stopPropagation;
+
+      L.DomEvent
+        .on(link, 'click', stop)
+        .on(link, 'mousedown', stop)
+        .on(link, 'dblclick', stop)
+        .on(link, 'click', L.DomEvent.preventDefault)
+        .on(link, 'click', fn, context)
+        .on(link, 'click', this._refocusOnMap, context);
+
+      return link;
+    },
+
+    _updateDisabled: function () {
+      var map = this._map,
+        className = 'leaflet-disabled';
+
+      L.DomUtil.removeClass(this._zoomInButton, className);
+      L.DomUtil.removeClass(this._zoomOutButton, className);
+
+      if (map._zoom === map.getMinZoom()) {
+        L.DomUtil.addClass(this._zoomOutButton, className);
+      }
+      if (map._zoom === map.getMaxZoom()) {
+        L.DomUtil.addClass(this._zoomInButton, className);
+      }
+    }
+  });
+
+  L.Map.mergeOptions({
+    zoomControl: true
+  });
+
+  L.Map.addInitHook(function () {
+    if (this.options.zoomControl) {
+      this.zoomControl = new L.Control.Zoom();
+      this.addControl(this.zoomControl);
+    }
+  });
+
+  L.control.zoom = function (options) {
+    return new L.Control.Zoom(options);
+  };
+
+
+
+  /*
+ * L.Control.Attribution is used for displaying attribution on the map (added by default).
+ */
+
+  L.Control.Attribution = L.Control.extend({
+    options: {
+      position: 'bottomright',
+      prefix: '<a href="http://leafletjs.com" title="A JS library for interactive maps">Leaflet</a>'
+    },
+
+    initialize: function (options) {
+      L.setOptions(this, options);
+
+      this._attributions = {};
+    },
+
+    onAdd: function (map) {
+      this._container = L.DomUtil.create('div', 'leaflet-control-attribution');
+      L.DomEvent.disableClickPropagation(this._container);
+
+      for (var i in map._layers) {
+        if (map._layers[i].getAttribution) {
+          this.addAttribution(map._layers[i].getAttribution());
+        }
+      }
+
+      map
+        .on('layeradd', this._onLayerAdd, this)
+        .on('layerremove', this._onLayerRemove, this);
+
+      this._update();
+
+      return this._container;
+    },
+
+    onRemove: function (map) {
+      map
+        .off('layeradd', this._onLayerAdd)
+        .off('layerremove', this._onLayerRemove);
+
+    },
+
+    setPrefix: function (prefix) {
+      this.options.prefix = prefix;
+      this._update();
+      return this;
+    },
+
+    addAttribution: function (text) {
+      if (!text) { return; }
+
+      if (!this._attributions[text]) {
+        this._attributions[text] = 0;
+      }
+      this._attributions[text]++;
+
+      this._update();
+
+      return this;
+    },
+
+    removeAttribution: function (text) {
+      if (!text) { return; }
+
+      if (this._attributions[text]) {
+        this._attributions[text]--;
+        this._update();
+      }
+
+      return this;
+    },
+
+    _update: function () {
+      if (!this._map) { return; }
+
+      var attribs = [];
+
+      for (var i in this._attributions) {
+        if (this._attributions[i]) {
+          attribs.push(i);
+        }
+      }
+
+      var prefixAndAttribs = [];
+
+      if (this.options.prefix) {
+        prefixAndAttribs.push(this.options.prefix);
+      }
+      if (attribs.length) {
+        prefixAndAttribs.push(attribs.join(', '));
+      }
+
+      this._container.innerHTML = prefixAndAttribs.join(' | ');
+    },
+
+    _onLayerAdd: function (e) {
+      if (e.layer.getAttribution) {
+        this.addAttribution(e.layer.getAttribution());
+      }
+    },
+
+    _onLayerRemove: function (e) {
+      if (e.layer.getAttribution) {
+        this.removeAttribution(e.layer.getAttribution());
+      }
+    }
+  });
+
+  L.Map.mergeOptions({
+    attributionControl: true
+  });
+
+  L.Map.addInitHook(function () {
+    if (this.options.attributionControl) {
+      this.attributionControl = (new L.Control.Attribution()).addTo(this);
+    }
+  });
+
+  L.control.attribution = function (options) {
+    return new L.Control.Attribution(options);
+  };
+
+
+  /*
+ * L.Control.Scale is used for displaying metric/imperial scale on the map.
+ */
+
+  L.Control.Scale = L.Control.extend({
+    options: {
+      position: 'bottomleft',
+      maxWidth: 100,
+      metric: true,
+      imperial: true,
+      updateWhenIdle: false
+    },
+
+    onAdd: function (map) {
+      this._map = map;
+
+      var className = 'leaflet-control-scale',
+        container = L.DomUtil.create('div', className),
+        options = this.options;
+
+      this._addScales(options, className, container);
+
+      map.on(options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
+      map.whenReady(this._update, this);
+
+      return container;
+    },
+
+    onRemove: function (map) {
+      map.off(this.options.updateWhenIdle ? 'moveend' : 'move', this._update, this);
+    },
+
+    _addScales: function (options, className, container) {
+      if (options.metric) {
+        this._mScale = L.DomUtil.create('div', className + '-line', container);
+      }
+      if (options.imperial) {
+        this._iScale = L.DomUtil.create('div', className + '-line', container);
+      }
+    },
+
+    _update: function () {
+      var bounds = this._map.getBounds(),
+        centerLat = bounds.getCenter().lat,
+        halfWorldMeters = 6378137 * Math.PI * Math.cos(centerLat * Math.PI / 180),
+        dist = halfWorldMeters * (bounds.getNorthEast().lng - bounds.getSouthWest().lng) / 180,
+
+        size = this._map.getSize(),
+        options = this.options,
+        maxMeters = 0;
+
+      if (size.x > 0) {
+        maxMeters = dist * (options.maxWidth / size.x);
+      }
+
+      this._updateScales(options, maxMeters);
+    },
+
+    _updateScales: function (options, maxMeters) {
+      if (options.metric && maxMeters) {
+        this._updateMetric(maxMeters);
+      }
+
+      if (options.imperial && maxMeters) {
+        this._updateImperial(maxMeters);
+      }
+    },
+
+    _updateMetric: function (maxMeters) {
+      var meters = this._getRoundNum(maxMeters);
+
+      this._mScale.style.width = this._getScaleWidth(meters / maxMeters) + 'px';
+      this._mScale.innerHTML = meters < 1000 ? meters + ' m' : (meters / 1000) + ' km';
+    },
+
+    _updateImperial: function (maxMeters) {
+      var maxFeet = maxMeters * 3.2808399,
+        scale = this._iScale,
+        maxMiles, miles, feet;
+
+      if (maxFeet > 5280) {
+        maxMiles = maxFeet / 5280;
+        miles = this._getRoundNum(maxMiles);
+
+        scale.style.width = this._getScaleWidth(miles / maxMiles) + 'px';
+        scale.innerHTML = miles + ' mi';
+
+      } else {
+        feet = this._getRoundNum(maxFeet);
+
+        scale.style.width = this._getScaleWidth(feet / maxFeet) + 'px';
+        scale.innerHTML = feet + ' ft';
+      }
+    },
+
+    _getScaleWidth: function (ratio) {
+      return Math.round(this.options.maxWidth * ratio) - 10;
+    },
+
+    _getRoundNum: function (num) {
+      var pow10 = Math.pow(10, (Math.floor(num) + '').length - 1),
+        d = num / pow10;
+
+      d = d >= 10 ? 10 : d >= 5 ? 5 : d >= 3 ? 3 : d >= 2 ? 2 : 1;
+
+      return pow10 * d;
+    }
+  });
+
+  L.control.scale = function (options) {
+    return new L.Control.Scale(options);
+  };
+
+
+  /*
+ * L.Control.Layers is a control to allow users to switch between different layers on the map.
+ */
+
+  L.Control.Layers = L.Control.extend({
+    options: {
+      collapsed: true,
+      position: 'topright',
+      autoZIndex: true
+    },
+
+    initialize: function (baseLayers, overlays, options) {
+      L.setOptions(this, options);
+
+      this._layers = {};
+      this._lastZIndex = 0;
+      this._handlingClick = false;
+
+      for (var i in baseLayers) {
+        this._addLayer(baseLayers[i], i);
+      }
+
+      for (i in overlays) {
+        this._addLayer(overlays[i], i, true);
+      }
+    },
+
+    onAdd: function (map) {
+      this._initLayout();
+      this._update();
+
+      map
+        .on('layeradd', this._onLayerChange, this)
+        .on('layerremove', this._onLayerChange, this);
+
+      return this._container;
+    },
+
+    onRemove: function (map) {
+      map
+        .off('layeradd', this._onLayerChange, this)
+        .off('layerremove', this._onLayerChange, this);
+    },
+
+    addBaseLayer: function (layer, name) {
+      this._addLayer(layer, name);
+      this._update();
+      return this;
+    },
+
+    addOverlay: function (layer, name) {
+      this._addLayer(layer, name, true);
+      this._update();
+      return this;
+    },
+
+    removeLayer: function (layer) {
+      var id = L.stamp(layer);
+      delete this._layers[id];
+      this._update();
+      return this;
+    },
+
+    _initLayout: function () {
+      var className = 'leaflet-control-layers',
+        container = this._container = L.DomUtil.create('div', className);
+
+      //Makes this work on IE10 Touch devices by stopping it from firing a mouseout event when the touch is released
+      container.setAttribute('aria-haspopup', true);
+
+      if (!L.Browser.touch) {
+        L.DomEvent
+          .disableClickPropagation(container)
+          .disableScrollPropagation(container);
+      } else {
+        L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
+      }
+
+      var form = this._form = L.DomUtil.create('form', className + '-list');
+
+      if (this.options.collapsed) {
+        if (!L.Browser.android) {
+          L.DomEvent
+            .on(container, 'mouseover', this._expand, this)
+            .on(container, 'mouseout', this._collapse, this);
+        }
+        var link = this._layersLink = L.DomUtil.create('a', className + '-toggle', container);
+        link.href = '#';
+        link.title = 'Layers';
+
+        if (L.Browser.touch) {
+          L.DomEvent
+            .on(link, 'click', L.DomEvent.stop)
+            .on(link, 'click', this._expand, this);
+        }
+        else {
+          L.DomEvent.on(link, 'focus', this._expand, this);
+        }
+        //Work around for Firefox android issue https://github.com/Leaflet/Leaflet/issues/2033
+        L.DomEvent.on(form, 'click', function () {
+          setTimeout(L.bind(this._onInputClick, this), 0);
+        }, this);
+
+        this._map.on('click', this._collapse, this);
+        // TODO keyboard accessibility
+      } else {
+        this._expand();
+      }
+
+      this._baseLayersList = L.DomUtil.create('div', className + '-base', form);
+      this._separator = L.DomUtil.create('div', className + '-separator', form);
+      this._overlaysList = L.DomUtil.create('div', className + '-overlays', form);
+
+      container.appendChild(form);
+    },
+
+    _addLayer: function (layer, name, overlay) {
+      var id = L.stamp(layer);
+
+      this._layers[id] = {
+        layer: layer,
+        name: name,
+        overlay: overlay
+      };
+
+      if (this.options.autoZIndex && layer.setZIndex) {
+        this._lastZIndex++;
+        layer.setZIndex(this._lastZIndex);
+      }
+    },
+
+    _update: function () {
+      if (!this._container) {
+        return;
+      }
+
+      this._baseLayersList.innerHTML = '';
+      this._overlaysList.innerHTML = '';
+
+      var baseLayersPresent = false,
+        overlaysPresent = false,
+        i, obj;
+
+      for (i in this._layers) {
+        obj = this._layers[i];
+        this._addItem(obj);
+        overlaysPresent = overlaysPresent || obj.overlay;
+        baseLayersPresent = baseLayersPresent || !obj.overlay;
+      }
+
+      this._separator.style.display = overlaysPresent && baseLayersPresent ? '' : 'none';
+    },
+
+    _onLayerChange: function (e) {
+      var obj = this._layers[L.stamp(e.layer)];
+
+      if (!obj) { return; }
+
+      if (!this._handlingClick) {
+        this._update();
+      }
+
+      var type = obj.overlay ?
+        (e.type === 'layeradd' ? 'overlayadd' : 'overlayremove') :
+        (e.type === 'layeradd' ? 'baselayerchange' : null);
+
+      if (type) {
+        this._map.fire(type, obj);
+      }
+    },
+
+    // IE7 bugs out if you create a radio dynamically, so you have to do it this hacky way (see http://bit.ly/PqYLBe)
+    _createRadioElement: function (name, checked) {
+
+      var radioHtml = '<input type="radio" class="leaflet-control-layers-selector" name="' + name + '"';
+      if (checked) {
+        radioHtml += ' checked="checked"';
+      }
+      radioHtml += '/>';
+
+      var radioFragment = document.createElement('div');
+      radioFragment.innerHTML = radioHtml;
+
+      return radioFragment.firstChild;
+    },
+
+    _addItem: function (obj) {
+      var label = document.createElement('label'),
+        input,
+        checked = this._map.hasLayer(obj.layer);
+
+      if (obj.overlay) {
+        input = document.createElement('input');
+        input.type = 'checkbox';
+        input.className = 'leaflet-control-layers-selector';
+        input.defaultChecked = checked;
+      } else {
+        input = this._createRadioElement('leaflet-base-layers', checked);
+      }
+
+      input.layerId = L.stamp(obj.layer);
+
+      L.DomEvent.on(input, 'click', this._onInputClick, this);
+
+      var name = document.createElement('span');
+      name.innerHTML = ' ' + obj.name;
+
+      label.appendChild(input);
+      label.appendChild(name);
+
+      var container = obj.overlay ? this._overlaysList : this._baseLayersList;
+      container.appendChild(label);
+
+      return label;
+    },
+
+    _onInputClick: function () {
+      var i, input, obj,
+        inputs = this._form.getElementsByTagName('input'),
+        inputsLen = inputs.length;
+
+      this._handlingClick = true;
+
+      for (i = 0; i < inputsLen; i++) {
+        input = inputs[i];
+        obj = this._layers[input.layerId];
+
+        if (input.checked && !this._map.hasLayer(obj.layer)) {
+          this._map.addLayer(obj.layer);
+
+        } else if (!input.checked && this._map.hasLayer(obj.layer)) {
+          this._map.removeLayer(obj.layer);
+        }
+      }
+
+      this._handlingClick = false;
+
+      this._refocusOnMap();
+    },
+
+    _expand: function () {
+      L.DomUtil.addClass(this._container, 'leaflet-control-layers-expanded');
+    },
+
+    _collapse: function () {
+      this._container.className = this._container.className.replace(' leaflet-control-layers-expanded', '');
+    }
+  });
+
+  L.control.layers = function (baseLayers, overlays, options) {
+    return new L.Control.Layers(baseLayers, overlays, options);
+  };
+
+
+  /*
+ * L.PosAnimation is used by Leaflet internally for pan animations.
+ */
+
+  L.PosAnimation = L.Class.extend({
+    includes: L.Mixin.Events,
+
+    run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
+      this.stop();
+
+      this._el = el;
+      this._inProgress = true;
+      this._newPos = newPos;
+
+      this.fire('start');
+
+      el.style[L.DomUtil.TRANSITION] = 'all ' + (duration || 0.25) +
+        's cubic-bezier(0,0,' + (easeLinearity || 0.5) + ',1)';
+
+      L.DomEvent.on(el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
+      L.DomUtil.setPosition(el, newPos);
+
+      // toggle reflow, Chrome flickers for some reason if you don't do this
+      L.Util.falseFn(el.offsetWidth);
+
+      // there's no native way to track value updates of transitioned properties, so we imitate this
+      this._stepTimer = setInterval(L.bind(this._onStep, this), 50);
+    },
+
+    stop: function () {
+      if (!this._inProgress) { return; }
+
+      // if we just removed the transition property, the element would jump to its final position,
+      // so we need to make it stay at the current position
+
+      L.DomUtil.setPosition(this._el, this._getPos());
+      this._onTransitionEnd();
+      L.Util.falseFn(this._el.offsetWidth); // force reflow in case we are about to start a new animation
+    },
+
+    _onStep: function () {
+      var stepPos = this._getPos();
+      if (!stepPos) {
+        this._onTransitionEnd();
+        return;
+      }
+      // jshint camelcase: false
+      // make L.DomUtil.getPosition return intermediate position value during animation
+      this._el._leaflet_pos = stepPos;
+
+      this.fire('step');
+    },
+
+    // you can't easily get intermediate values of properties animated with CSS3 Transitions,
+    // we need to parse computed style (in case of transform it returns matrix string)
+
+    _transformRe: /([-+]?(?:\d*\.)?\d+)\D*, ([-+]?(?:\d*\.)?\d+)\D*\)/,
+
+    _getPos: function () {
+      var left, top, matches,
+        el = this._el,
+        style = window.getComputedStyle(el);
+
+      if (L.Browser.any3d) {
+        matches = style[L.DomUtil.TRANSFORM].match(this._transformRe);
+        if (!matches) { return; }
+        left = parseFloat(matches[1]);
+        top  = parseFloat(matches[2]);
+      } else {
+        left = parseFloat(style.left);
+        top  = parseFloat(style.top);
+      }
+
+      return new L.Point(left, top, true);
+    },
+
+    _onTransitionEnd: function () {
+      L.DomEvent.off(this._el, L.DomUtil.TRANSITION_END, this._onTransitionEnd, this);
+
+      if (!this._inProgress) { return; }
+      this._inProgress = false;
+
+      this._el.style[L.DomUtil.TRANSITION] = '';
+
+      // jshint camelcase: false
+      // make sure L.DomUtil.getPosition returns the final position value after animation
+      this._el._leaflet_pos = this._newPos;
+
+      clearInterval(this._stepTimer);
+
+      this.fire('step').fire('end');
+    }
+
+  });
+
+
+  /*
+ * Extends L.Map to handle panning animations.
+ */
+
+  L.Map.include({
+
+    setView: function (center, zoom, options) {
+
+      zoom = zoom === undefined ? this._zoom : this._limitZoom(zoom);
+      center = this._limitCenter(L.latLng(center), zoom, this.options.maxBounds);
+      options = options || {};
+
+      if (this._panAnim) {
+        this._panAnim.stop();
+      }
+
+      if (this._loaded && !options.reset && options !== true) {
+
+        if (options.animate !== undefined) {
+          options.zoom = L.extend({animate: options.animate}, options.zoom);
+          options.pan = L.extend({animate: options.animate}, options.pan);
+        }
+
+        // try animating pan or zoom
+        var animated = (this._zoom !== zoom) ?
+          this._tryAnimatedZoom && this._tryAnimatedZoom(center, zoom, options.zoom) :
+          this._tryAnimatedPan(center, options.pan);
+
+        if (animated) {
+          // prevent resize handler call, the view will refresh after animation anyway
+          clearTimeout(this._sizeTimer);
+          return this;
+        }
+      }
+
+      // animation didn't start, just reset the map view
+      this._resetView(center, zoom);
+
+      return this;
+    },
+
+    panBy: function (offset, options) {
+      offset = L.point(offset).round();
+      options = options || {};
+
+      if (!offset.x && !offset.y) {
+        return this;
+      }
+
+      if (!this._panAnim) {
+        this._panAnim = new L.PosAnimation();
+
+        this._panAnim.on({
+          'step': this._onPanTransitionStep,
+          'end': this._onPanTransitionEnd
+        }, this);
+      }
+
+      // don't fire movestart if animating inertia
+      if (!options.noMoveStart) {
+        this.fire('movestart');
+      }
+
+      // animate pan unless animate: false specified
+      if (options.animate !== false) {
+        L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
+
+        var newPos = this._getMapPanePos().subtract(offset);
+        this._panAnim.run(this._mapPane, newPos, options.duration || 0.25, options.easeLinearity);
+      } else {
+        this._rawPanBy(offset);
+        this.fire('move').fire('moveend');
+      }
+
+      return this;
+    },
+
+    _onPanTransitionStep: function () {
+      this.fire('move');
+    },
+
+    _onPanTransitionEnd: function () {
+      L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim');
+      this.fire('moveend');
+    },
+
+    _tryAnimatedPan: function (center, options) {
+      // difference between the new and current centers in pixels
+      var offset = this._getCenterOffset(center)._floor();
+
+      // don't animate too far unless animate: true specified in options
+      if ((options && options.animate) !== true && !this.getSize().contains(offset)) { return false; }
+
+      this.panBy(offset, options);
+
+      return true;
+    }
+  });
+
+
+  /*
+ * L.PosAnimation fallback implementation that powers Leaflet pan animations
+ * in browsers that don't support CSS3 Transitions.
+ */
+
+  L.PosAnimation = L.DomUtil.TRANSITION ? L.PosAnimation : L.PosAnimation.extend({
+
+    run: function (el, newPos, duration, easeLinearity) { // (HTMLElement, Point[, Number, Number])
+      this.stop();
+
+      this._el = el;
+      this._inProgress = true;
+      this._duration = duration || 0.25;
+      this._easeOutPower = 1 / Math.max(easeLinearity || 0.5, 0.2);
+
+      this._startPos = L.DomUtil.getPosition(el);
+      this._offset = newPos.subtract(this._startPos);
+      this._startTime = +new Date();
+
+      this.fire('start');
+
+      this._animate();
+    },
+
+    stop: function () {
+      if (!this._inProgress) { return; }
+
+      this._step();
+      this._complete();
+    },
+
+    _animate: function () {
+      // animation loop
+      this._animId = L.Util.requestAnimFrame(this._animate, this);
+      this._step();
+    },
+
+    _step: function () {
+      var elapsed = (+new Date()) - this._startTime,
+        duration = this._duration * 1000;
+
+      if (elapsed < duration) {
+        this._runFrame(this._easeOut(elapsed / duration));
+      } else {
+        this._runFrame(1);
+        this._complete();
+      }
+    },
+
+    _runFrame: function (progress) {
+      var pos = this._startPos.add(this._offset.multiplyBy(progress));
+      L.DomUtil.setPosition(this._el, pos);
+
+      this.fire('step');
+    },
+
+    _complete: function () {
+      L.Util.cancelAnimFrame(this._animId);
+
+      this._inProgress = false;
+      this.fire('end');
+    },
+
+    _easeOut: function (t) {
+      return 1 - Math.pow(1 - t, this._easeOutPower);
+    }
+  });
+
+
+  /*
+ * Extends L.Map to handle zoom animations.
+ */
+
+  L.Map.mergeOptions({
+    zoomAnimation: true,
+    zoomAnimationThreshold: 4
+  });
+
+  if (L.DomUtil.TRANSITION) {
+
+    L.Map.addInitHook(function () {
+      // don't animate on browsers without hardware-accelerated transitions or old Android/Opera
+      this._zoomAnimated = this.options.zoomAnimation && L.DomUtil.TRANSITION &&
+        L.Browser.any3d && !L.Browser.android23 && !L.Browser.mobileOpera;
+
+      // zoom transitions run with the same duration for all layers, so if one of transitionend events
+      // happens after starting zoom animation (propagating to the map pane), we know that it ended globally
+      if (this._zoomAnimated) {
+        L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
+      }
+    });
+  }
+
+  L.Map.include(!L.DomUtil.TRANSITION ? {} : {
+
+    _catchTransitionEnd: function (e) {
+      if (this._animatingZoom && e.propertyName.indexOf('transform') >= 0) {
+        this._onZoomTransitionEnd();
+      }
+    },
+
+    _nothingToAnimate: function () {
+      return !this._container.getElementsByClassName('leaflet-zoom-animated').length;
+    },
+
+    _tryAnimatedZoom: function (center, zoom, options) {
+
+      if (this._animatingZoom) { return true; }
+
+      options = options || {};
+
+      // don't animate if disabled, not supported or zoom difference is too large
+      if (!this._zoomAnimated || options.animate === false || this._nothingToAnimate() ||
+        Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }
+
+      // offset is the pixel coords of the zoom origin relative to the current center
+      var scale = this.getZoomScale(zoom),
+        offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale),
+        origin = this._getCenterLayerPoint()._add(offset);
+
+      // don't animate if the zoom origin isn't within one screen from the current center, unless forced
+      if (options.animate !== true && !this.getSize().contains(offset)) { return false; }
+
+      this
+        .fire('movestart')
+        .fire('zoomstart');
+
+      this._animateZoom(center, zoom, origin, scale, null, true);
+
+      return true;
+    },
+
+    _animateZoom: function (center, zoom, origin, scale, delta, backwards, forTouchZoom) {
+
+      if (!forTouchZoom) {
+        this._animatingZoom = true;
+      }
+
+      // put transform transition on all layers with leaflet-zoom-animated class
+      L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
+
+      // remember what center/zoom to set after animation
+      this._animateToCenter = center;
+      this._animateToZoom = zoom;
+
+      // disable any dragging during animation
+      if (L.Draggable) {
+        L.Draggable._disabled = true;
+      }
+
+      L.Util.requestAnimFrame(function () {
+        this.fire('zoomanim', {
+          center: center,
+          zoom: zoom,
+          origin: origin,
+          scale: scale,
+          delta: delta,
+          backwards: backwards
+        });
+        // horrible hack to work around a Chrome bug https://github.com/Leaflet/Leaflet/issues/3689
+        setTimeout(L.bind(this._onZoomTransitionEnd, this), 250);
+      }, this);
+    },
+
+    _onZoomTransitionEnd: function () {
+      if (!this._animatingZoom) { return; }
+
+      this._animatingZoom = false;
+
+      L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
+
+      L.Util.requestAnimFrame(function () {
+        this._resetView(this._animateToCenter, this._animateToZoom, true, true);
+
+        if (L.Draggable) {
+          L.Draggable._disabled = false;
+        }
+      }, this);
+    }
+  });
+
+
+  /*
+	Zoom animation logic for L.TileLayer.
+*/
+
+  L.TileLayer.include({
+    _animateZoom: function (e) {
+      if (!this._animating) {
+        this._animating = true;
+        this._prepareBgBuffer();
+      }
+
+      var bg = this._bgBuffer,
+        transform = L.DomUtil.TRANSFORM,
+        initialTransform = e.delta ? L.DomUtil.getTranslateString(e.delta) : bg.style[transform],
+        scaleStr = L.DomUtil.getScaleString(e.scale, e.origin);
+
+      bg.style[transform] = e.backwards ?
+        scaleStr + ' ' + initialTransform :
+        initialTransform + ' ' + scaleStr;
+    },
+
+    _endZoomAnim: function () {
+      var front = this._tileContainer,
+        bg = this._bgBuffer;
+
+      front.style.visibility = '';
+      front.parentNode.appendChild(front); // Bring to fore
+
+      // force reflow
+      L.Util.falseFn(bg.offsetWidth);
+
+      var zoom = this._map.getZoom();
+      if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
+        this._clearBgBuffer();
+      }
+
+      this._animating = false;
+    },
+
+    _clearBgBuffer: function () {
+      var map = this._map;
+
+      if (map && !map._animatingZoom && !map.touchZoom._zooming) {
+        this._bgBuffer.innerHTML = '';
+        this._bgBuffer.style[L.DomUtil.TRANSFORM] = '';
+      }
+    },
+
+    _prepareBgBuffer: function () {
+
+      var front = this._tileContainer,
+        bg = this._bgBuffer;
+
+      // if foreground layer doesn't have many tiles but bg layer does,
+      // keep the existing bg layer and just zoom it some more
+
+      var bgLoaded = this._getLoadedTilesPercentage(bg),
+        frontLoaded = this._getLoadedTilesPercentage(front);
+
+      if (bg && bgLoaded > 0.5 && frontLoaded < 0.5) {
+
+        front.style.visibility = 'hidden';
+        this._stopLoadingImages(front);
+        return;
+      }
+
+      // prepare the buffer to become the front tile pane
+      bg.style.visibility = 'hidden';
+      bg.style[L.DomUtil.TRANSFORM] = '';
+
+      // switch out the current layer to be the new bg layer (and vice-versa)
+      this._tileContainer = bg;
+      bg = this._bgBuffer = front;
+
+      this._stopLoadingImages(bg);
+
+      //prevent bg buffer from clearing right after zoom
+      clearTimeout(this._clearBgBufferTimer);
+    },
+
+    _getLoadedTilesPercentage: function (container) {
+      var tiles = container.getElementsByTagName('img'),
+        i, len, count = 0;
+
+      for (i = 0, len = tiles.length; i < len; i++) {
+        if (tiles[i].complete) {
+          count++;
+        }
+      }
+      return count / len;
+    },
+
+    // stops loading all tiles in the background layer
+    _stopLoadingImages: function (container) {
+      var tiles = Array.prototype.slice.call(container.getElementsByTagName('img')),
+        i, len, tile;
+
+      for (i = 0, len = tiles.length; i < len; i++) {
+        tile = tiles[i];
+
+        if (!tile.complete) {
+          tile.onload = L.Util.falseFn;
+          tile.onerror = L.Util.falseFn;
+          tile.src = L.Util.emptyImageUrl;
+
+          tile.parentNode.removeChild(tile);
+        }
+      }
+    }
+  });
+
+
+  /*
+ * Provides L.Map with convenient shortcuts for using browser geolocation features.
+ */
+
+  L.Map.include({
+    _defaultLocateOptions: {
+      watch: false,
+      setView: false,
+      maxZoom: Infinity,
+      timeout: 10000,
+      maximumAge: 0,
+      enableHighAccuracy: false
+    },
+
+    locate: function (/*Object*/ options) {
+
+      options = this._locateOptions = L.extend(this._defaultLocateOptions, options);
+
+      if (!navigator.geolocation) {
+        this._handleGeolocationError({
+          code: 0,
+          message: 'Geolocation not supported.'
+        });
+        return this;
+      }
+
+      var onResponse = L.bind(this._handleGeolocationResponse, this),
+        onError = L.bind(this._handleGeolocationError, this);
+
+      if (options.watch) {
+        this._locationWatchId =
+          navigator.geolocation.watchPosition(onResponse, onError, options);
+      } else {
+        navigator.geolocation.getCurrentPosition(onResponse, onError, options);
+      }
+      return this;
+    },
+
+    stopLocate: function () {
+      if (navigator.geolocation) {
+        navigator.geolocation.clearWatch(this._locationWatchId);
+      }
+      if (this._locateOptions) {
+        this._locateOptions.setView = false;
+      }
+      return this;
+    },
+
+    _handleGeolocationError: function (error) {
+      var c = error.code,
+        message = error.message ||
+          (c === 1 ? 'permission denied' :
+            (c === 2 ? 'position unavailable' : 'timeout'));
+
+      if (this._locateOptions.setView && !this._loaded) {
+        this.fitWorld();
+      }
+
+      this.fire('locationerror', {
+        code: c,
+        message: 'Geolocation error: ' + message + '.'
+      });
+    },
+
+    _handleGeolocationResponse: function (pos) {
+      var lat = pos.coords.latitude,
+        lng = pos.coords.longitude,
+        latlng = new L.LatLng(lat, lng),
+
+        latAccuracy = 180 * pos.coords.accuracy / 40075017,
+        lngAccuracy = latAccuracy / Math.cos(L.LatLng.DEG_TO_RAD * lat),
+
+        bounds = L.latLngBounds(
+          [lat - latAccuracy, lng - lngAccuracy],
+          [lat + latAccuracy, lng + lngAccuracy]),
+
+        options = this._locateOptions;
+
+      if (options.setView) {
+        var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
+        this.setView(latlng, zoom);
+      }
+
+      var data = {
+        latlng: latlng,
+        bounds: bounds,
+        timestamp: pos.timestamp
+      };
+
+      for (var i in pos.coords) {
+        if (typeof pos.coords[i] === 'number') {
+          data[i] = pos.coords[i];
+        }
+      }
+
+      this.fire('locationfound', data);
+    }
+  });
+
+
+}(window, document));

+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/leaflet.markercluster.js → desktop/core/src/desktop/js/ext/leaflet/leaflet.markercluster.js


+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/leaflet.zoombox.js → desktop/core/src/desktop/js/ext/leaflet/leaflet.zoombox.js


+ 5 - 4
desktop/core/src/desktop/js/ko/bindings/charts/ko.leafletMapChart.js

@@ -16,15 +16,16 @@
 
 import $ from 'jquery';
 import ko from 'knockout';
-import L from 'leaflet';
+import 'ext/leaflet/leaflet';
+import 'ext/leaflet/leaflet.markercluster';
+import 'ext/leaflet/leaflet.heat';
+import 'ext/leaflet/leaflet.zoombox';
 
 import huePubSub from 'utils/huePubSub';
-import 'leaflet.markercluster';
-import 'leaflet.heat';
-import 'leaflet-zoombox';
 
 ko.bindingHandlers.leafletMapChart = {
   update: function(element, valueAccessor) {
+    const L = window.L;
     const _options = valueAccessor();
     const _data = _options.transformer(valueAccessor().datum);
 

+ 2 - 2
desktop/core/src/desktop/static/desktop/ext/css/leaflet.css

@@ -278,12 +278,12 @@
 	border-radius: 5px;
 	}
 .leaflet-control-layers-toggle {
-	background-image: url(/static/desktop/ext/js/leaflet/images/layers.png);
+	background-image: url(/static/desktop/ext/img/leaflet/layers.png);
 	width: 36px;
 	height: 36px;
 	}
 .leaflet-retina .leaflet-control-layers-toggle {
-	background-image: url(/static/desktop/ext/js/leaflet/images/layers-2x.png);
+	background-image: url(/static/desktop/ext/img/leaflet/layers-2x.png);
 	background-size: 26px 26px;
 	}
 .leaflet-touch .leaflet-control-layers-toggle {

+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/images/layers-2x.png → desktop/core/src/desktop/static/desktop/ext/img/leaflet/layers-2x.png


+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/images/layers.png → desktop/core/src/desktop/static/desktop/ext/img/leaflet/layers.png


+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/images/marker-icon-2x.png → desktop/core/src/desktop/static/desktop/ext/img/leaflet/marker-icon-2x.png


+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/images/marker-icon.png → desktop/core/src/desktop/static/desktop/ext/img/leaflet/marker-icon.png


+ 0 - 0
desktop/core/src/desktop/static/desktop/ext/js/leaflet/images/marker-shadow.png → desktop/core/src/desktop/static/desktop/ext/img/leaflet/marker-shadow.png


Plik diff jest za duży
+ 0 - 5
desktop/core/src/desktop/static/desktop/ext/js/leaflet/leaflet.js


+ 6 - 1
desktop/core/src/desktop/templates/global_js_constants.mako

@@ -487,7 +487,12 @@
     layer: '${ leaflet['layer'] |n,unicode }',
     attribution: '${ leaflet['attribution'] |n,unicode }',
     mapOptions: JSON.parse('${ leaflet['map_options'] |n,unicode }'),
-    layerOptions: JSON.parse('${ leaflet['layer_options'] |n,unicode }')
+    layerOptions: JSON.parse('${ leaflet['layer_options'] |n,unicode }'),
+    images: {
+      'icon': '${ static('desktop/ext/img/leaflet/marker-icon.png') }',
+      'icon-2x': '${ static('desktop/ext/img/leaflet/marker-icon-2x.png') }',
+      'shadow': '${ static('desktop/ext/img/leaflet/marker-shadow.png') }',
+    }
   };
 
   window.USER_VIEW_EDIT_USER_ENABLED = '${ user.has_hue_permission(action="access_view:useradmin:edit_user", app="useradmin") or is_admin(user) }' === 'True';

+ 18 - 57
package-lock.json

@@ -4284,10 +4284,13 @@
       }
     },
     "eslint-utils": {
-      "version": "1.3.1",
-      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.3.1.tgz",
-      "integrity": "sha512-Z7YjnIldX+2XMcjr7ZkgEsOj/bREONV60qYeB/bjMAqqqZ4zxKyWX+BOUkdmRmA9riiIPVvo5x86m5elviOk0Q==",
-      "dev": true
+      "version": "1.4.2",
+      "resolved": "https://registry.npmjs.org/eslint-utils/-/eslint-utils-1.4.2.tgz",
+      "integrity": "sha512-eAZS2sEUMlIeCjBeubdj45dmBHQwPHWyBcT1VSYB7o9x9WRRqKxyUoiXlRjyAwzN7YEzHJlYg0NmzDRWx6GP4Q==",
+      "dev": true,
+      "requires": {
+        "eslint-visitor-keys": "^1.0.0"
+      }
     },
     "eslint-visitor-keys": {
       "version": "1.0.0",
@@ -5094,8 +5097,7 @@
         "ansi-regex": {
           "version": "2.1.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "aproba": {
           "version": "1.2.0",
@@ -5116,14 +5118,12 @@
         "balanced-match": {
           "version": "1.0.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "brace-expansion": {
           "version": "1.1.11",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "balanced-match": "^1.0.0",
             "concat-map": "0.0.1"
@@ -5138,20 +5138,17 @@
         "code-point-at": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "concat-map": {
           "version": "0.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "console-control-strings": {
           "version": "1.1.0",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "core-util-is": {
           "version": "1.0.2",
@@ -5268,8 +5265,7 @@
         "inherits": {
           "version": "2.0.3",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "ini": {
           "version": "1.3.5",
@@ -5281,7 +5277,6 @@
           "version": "1.0.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "number-is-nan": "^1.0.0"
           }
@@ -5296,7 +5291,6 @@
           "version": "3.0.4",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "brace-expansion": "^1.1.7"
           }
@@ -5304,14 +5298,12 @@
         "minimist": {
           "version": "0.0.8",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "minipass": {
           "version": "2.3.5",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "safe-buffer": "^5.1.2",
             "yallist": "^3.0.0"
@@ -5330,7 +5322,6 @@
           "version": "0.5.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "minimist": "0.0.8"
           }
@@ -5411,8 +5402,7 @@
         "number-is-nan": {
           "version": "1.0.1",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "object-assign": {
           "version": "4.1.1",
@@ -5424,7 +5414,6 @@
           "version": "1.4.0",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "wrappy": "1"
           }
@@ -5510,8 +5499,7 @@
         "safe-buffer": {
           "version": "5.1.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "safer-buffer": {
           "version": "2.1.2",
@@ -5547,7 +5535,6 @@
           "version": "1.0.2",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "code-point-at": "^1.0.0",
             "is-fullwidth-code-point": "^1.0.0",
@@ -5567,7 +5554,6 @@
           "version": "3.0.1",
           "bundled": true,
           "dev": true,
-          "optional": true,
           "requires": {
             "ansi-regex": "^2.0.0"
           }
@@ -5611,14 +5597,12 @@
         "wrappy": {
           "version": "1.0.2",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         },
         "yallist": {
           "version": "3.0.3",
           "bundled": true,
-          "dev": true,
-          "optional": true
+          "dev": true
         }
       }
     },
@@ -7365,29 +7349,6 @@
         "invert-kv": "^2.0.0"
       }
     },
-    "leaflet": {
-      "version": "0.7.2",
-      "resolved": "https://registry.npmjs.org/leaflet/-/leaflet-0.7.2.tgz",
-      "integrity": "sha1-gUpYh9BER9qQtWPAZRm3k0bXHkA="
-    },
-    "leaflet-zoombox": {
-      "version": "0.5.1",
-      "resolved": "https://registry.npmjs.org/leaflet-zoombox/-/leaflet-zoombox-0.5.1.tgz",
-      "integrity": "sha512-qbLm6vkJzN1thr1cQFf9xsP+M7K5dz0Xa4EAt9kppkGDxV9Xewr1kpg6e8JBFfCGcqJi6pulNhkxLnfooxYZRQ=="
-    },
-    "leaflet.heat": {
-      "version": "0.2.0",
-      "resolved": "https://registry.npmjs.org/leaflet.heat/-/leaflet.heat-0.2.0.tgz",
-      "integrity": "sha1-EJ2M9Ybwre5B8Fr/Ax4np3/swik="
-    },
-    "leaflet.markercluster": {
-      "version": "0.5.0",
-      "resolved": "https://registry.npmjs.org/leaflet.markercluster/-/leaflet.markercluster-0.5.0.tgz",
-      "integrity": "sha1-gEpcKwLsrLGcBkolM5arYNXfaZs=",
-      "requires": {
-        "leaflet": "~0.7.1"
-      }
-    },
     "less": {
       "version": "3.9.0",
       "resolved": "https://registry.npmjs.org/less/-/less-3.9.0.tgz",

+ 0 - 4
package.json

@@ -41,10 +41,6 @@
     "knockout-switch-case": "2.1.0",
     "knockout.mapping": "2.4.3",
     "knockout.validation": "2.0.3",
-    "leaflet": "0.7.2",
-    "leaflet-zoombox": "0.5.1",
-    "leaflet.heat": "0.2.0",
-    "leaflet.markercluster": "0.5.0",
     "less": "3.9.0",
     "libxmljs": "^0.19.5",
     "localforage": "1.7.3",

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