text: 
  /*
   Leaflet, a JavaScript library for mobile-friendly interactive maps. http://leafletjs.com
   (c) 2010-2013, Vladimir Agafonkin, CloudMade
  */
  (function (window, document, undefined) {/*
   * The L namespace contains all Leaflet classes and functions.
   * This code allows you to handle any possible namespace conflicts.
   */
  
   /*jshint -W079 */
   /*jshint -W020 */
  
  var L, originalL;
  
  if (typeof exports !== undefined + '') {
  	L = exports;
  } else {
  	originalL = window.L;
  	L = {};
  
  	L.noConflict = function () {
  		window.L = originalL;
  		return this;
  	};
  
  	window.L = L;
  }
  
  L.version = '0.5';
  
  
  /*
   * 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 (/*Object*/ obj) {
  			obj[key] = obj[key] || ++lastId;
  			return obj[key];
  		};
  	}()),
  
  	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;
  	},
  
  	splitWords: function (str) {
  		return str.replace(/^\s+|\s+$/g, '').split(/\s+/);
  	},
  
  	setOptions: function (obj, options) {
  		obj.options = L.extend({}, obj.options, options);
  		return obj.options;
  	},
  
  	getParamString: function (obj, existingUrl) {
  		var params = [];
  		for (var i in obj) {
  			if (obj.hasOwnProperty(i)) {
  				params.push(i + '=' + 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 (!data.hasOwnProperty(key)) {
  				throw new Error('No value provided for variable ' + str);
  			}
  			return value;
  		});
  	},
  
  	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;
  	// 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 key = '_leaflet_events';
  
  L.Mixin = {};
  
  L.Mixin.Events = {
  
  	addEventListener: function (types, fn, context) { // (String, Function[, Object]) or (Object[, Object])
  		var events = this[key] = this[key] || {},
  			type, i, len;
  
  		// Types can be a map of types/handlers
  		if (typeof types === 'object') {
  			for (type in types) {
  				if (types.hasOwnProperty(type)) {
  					this.addEventListener(type, types[type], fn);
  				}
  			}
  
  			return this;
  		}
  
  		types = L.Util.splitWords(types);
  
  		for (i = 0, len = types.length; i < len; i++) {
  			events[types[i]] = events[types[i]] || [];
  			events[types[i]].push({
  				action: fn,
  				context: context || this
  			});
  		}
  
  		return this;
  	},
  
  	hasEventListeners: function (type) { // (String) -> Boolean
  		return (key in this) && (type in this[key]) && (this[key][type].length > 0);
  	},
  
  	removeEventListener: function (types, fn, context) { // (String[, Function, Object]) or (Object[, Object])
  		var events = this[key],
  			type, i, len, listeners, j;
  
  		if (typeof types === 'object') {
  			for (type in types) {
  				if (types.hasOwnProperty(type)) {
  					this.removeEventListener(type, types[type], fn);
  				}
  			}
  
  			return this;
  		}
  
  		types = L.Util.splitWords(types);
  
  		for (i = 0, len = types.length; i < len; i++) {
  
  			if (this.hasEventListeners(types[i])) {
  				listeners = events[types[i]];
  
  				for (j = listeners.length - 1; j >= 0; j--) {
  					if (
  						(!fn || listeners[j].action === fn) &&
  						(!context || (listeners[j].context === context))
  					) {
  						listeners.splice(j, 1);
  					}
  				}
  			}
  		}
  
  		return this;
  	},
  
  	fireEvent: function (type, data) { // (String[, Object])
  		if (!this.hasEventListeners(type)) {
  			return this;
  		}
  
  		var event = L.extend({
  			type: type,
  			target: this
  		}, data);
  
  		var listeners = this[key][type].slice();
  
  		for (var i = 0, len = listeners.length; i < len; i++) {
  			listeners[i].action.call(listeners[i].context || this, event);
  		}
  
  		return this;
  	}
  };
  
  L.Mixin.Events.on = L.Mixin.Events.addEventListener;
  L.Mixin.Events.off = L.Mixin.Events.removeEventListener;
  L.Mixin.Events.fire = L.Mixin.Events.fireEvent;
  
  
  /*
   * L.Browser handles different browser and feature detections for internal Leaflet use.
   */
  
  (function () {
  
  	var ie = !!window.ActiveXObject,
  	    ie6 = ie && !window.XMLHttpRequest,
  	    ie7 = ie && !document.querySelector,
  
  	    // 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,
  	    android = ua.indexOf('android') !== -1,
  	    android23 = ua.search('android [23]') !== -1,
  
  	    mobile = typeof orientation !== undefined + '',
  	    msTouch = (window.navigator && window.navigator.msPointerEnabled && window.navigator.msMaxTouchPoints),
  	    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()),
  	    gecko3d = 'MozPerspective' in doc.style,
  	    opera3d = 'OTransition' in doc.style,
  	    any3d = !window.L_DISABLE_3D && (ie3d || webkit3d || gecko3d || opera3d);
  
  
  	var touch = !window.L_NO_TOUCH && (function () {
  
  		var startName = 'ontouchstart';
  
  		// IE10+ (We simulate these into touch* events in L.DomEvent and L.DomEvent.MsTouch) or WebKit, etc.
  		if (msTouch || (startName in doc)) {
  			return true;
  		}
  
  		// Firefox/Gecko
  		var div = document.createElement('div'),
  		    supported = false;
  
  		if (!div.setAttribute) {
  			return false;
  		}
  		div.setAttribute(startName, 'return;');
  
  		if (typeof div[startName] === 'function') {
  			supported = true;
  		}
  
  		div.removeAttribute(startName);
  		div = null;
  
  		return supported;
  	}());
  
  
  	L.Browser = {
  		ie: ie,
  		ie6: ie6,
  		ie7: ie7,
  		webkit: webkit,
  
  		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,
  		msTouch: msTouch,
  
  		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) {
  		return point.x === this.x &&
  		       point.y === 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 (x instanceof Array) {
  		return new L.Point(x[0], x[1]);
  	}
  	if (isNaN(x)) {
  		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,
  		    pos,
  		    ie7 = L.Browser.ie7;
  
  		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  || 0;
  				left += docBody.scrollLeft || 0;
  				break;
  			}
  			el = el.offsetParent;
  
  		} while (el);
  
  		el = element;
  
  		do {
  			if (el === docBody) { break; }
  
  			top  -= el.scrollTop  || 0;
  			left -= el.scrollLeft || 0;
  
  			// webkit (and ie <= 7) handles RTL scrollLeft different to everyone else
  			// https://code.google.com/p/closure-library/source/browse/trunk/closure/goog/style/bidi.js
  			if (!L.DomUtil.documentIsLtr() && (L.Browser.webkit || ie7)) {
  				left += el.scrollWidth - el.clientWidth;
  
  				// ie7 shows the scrollbar by default and provides clientWidth counting it, so we
  				// need to add it back in if it is visible; scrollbar is on the left as we are RTL
  				if (ie7 && L.DomUtil.getStyle(el, 'overflow-y') !== 'hidden' &&
  				           L.DomUtil.getStyle(el, 'overflow') !== 'hidden') {
  					left += 17;
  				}
  			}
  
  			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;
  	},
  
  	disableTextSelection: function () {
  		if (document.selection && document.selection.empty) {
  			document.selection.empty();
  		}
  		if (!this._onselectstart) {
  			this._onselectstart = document.onselectstart || null;
  			document.onselectstart = L.Util.falseFn;
  		}
  	},
  
  	enableTextSelection: function () {
  		if (document.onselectstart === L.Util.falseFn) {
  			document.onselectstart = this._onselectstart;
  			this._onselectstart = null;
  		}
  	},
  
  	hasClass: function (el, name) {
  		return (el.className.length > 0) &&
  		        new RegExp("(^|\\s)" + name + "(\\s|$)").test(el.className);
  	},
  
  	addClass: function (el, name) {
  		if (!L.DomUtil.hasClass(el, name)) {
  			el.className += (el.className ? ' ' : '') + name;
  		}
  	},
  
  	removeClass: function (el, name) {
  
  		function replaceFn(w, match) {
  			if (match === name) { return ''; }
  			return w;
  		}
  
  		el.className = el.className
  		        .replace(/(\S+)\s*/g, replaceFn)
  		        .replace(/(^\s+|\s+$)/, '');
  	},
  
  	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) {}
  
  			value = Math.round(value * 100);
  
  			if (filter) {
  				filter.Enabled = (value !== 100);
  				filter.Opacity = value;
  			} else {
  				el.style.filter += ' progid:' + filterName + '(opacity=' + value + ')';
  			}
  		}
  	},
  
  	setVisible: function (element, onoff) {
  		if (onoff) {
  			L.DomUtil.removeClass(element, "leaflet-hidden");
  		} else {
  			L.DomUtil.addClass(element, "leaflet-hidden");
  		}
  	},
  
  	getVisible: function (element) {
  		return !L.DomUtil.hasClass(element, "leaflet-hidden");
  	},
  
  	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;
  	},
  
  	getRotateString: function (degrees) {
  		return 'rotate(' + degrees + 'deg)';
  	},
  
  	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;
  	},
  
  	getTransformString: function (el) {
  		var arr = [];
  
  		if (el._leaflet_pos) {
  			arr.push(L.DomUtil.getTranslateString(el._leaflet_pos));
  		}
  
  		if (el._leaflet_rot) {
  			arr.push(L.DomUtil.getRotateString(el._leaflet_rot));
  		}
  
  		return arr.join(' ');
  	},
  
  	setRotation: function (el, degrees) {
  		degrees = (degrees >= 0) ? (degrees % 360) : (360 + degrees % 360);
  		el._leaflet_rot = degrees;
  		el.style[L.DomUtil.TRANSFORM] =  L.DomUtil.getTransformString(el);
  	},
  
  	getRotation: function (el) {
  		return el._leaflet_rot;
  	},
  
  	setPosition: function (el, point, disable3D) { // (HTMLElement, Point[, Boolean])
  
  		el._leaflet_pos = point;
  
  		if (!disable3D && L.Browser.any3d) {
  			el.style[L.DomUtil.TRANSFORM] =  L.DomUtil.getTranslateString(point);
  
  			// workaround for Android 2/3 stability (https://github.com/CloudMade/Leaflet/issues/69)
  			if (L.Browser.mobileWebkit3d) {
  				el.style.WebkitBackfaceVisibility = 'hidden';
  			}
  		} 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
  		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';
  
  
  /*
   * L.LatLng represents a geographical point with latitude and longitude coordinates.
   */
  
  L.LatLng = function (rawLat, rawLng) { // (Number, Number)
  	var lat = parseFloat(rawLat),
  	    lng = parseFloat(rawLng);
  
  	if (isNaN(lat) || isNaN(lng)) {
  		throw new Error('Invalid LatLng object: (' + rawLat + ', ' + rawLng + ')');
  	}
  
  	this.lat = lat;
  	this.lng = lng;
  };
  
  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 (a instanceof Array) {
  		return new L.LatLng(a[0], a[1]);
  	}
  	if (isNaN(a)) {
  		return a;
  	}
  	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 (typeof obj[0] === 'number' || typeof obj[0] === 'string' || obj instanceof L.LatLng) {
  			obj = L.latLng(obj);
  		} 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._northEast.lat, this._southWest.lng);
  	},
  
  	getSouthEast: function () {
  		return new L.LatLng(this._southWest.lat, this._northEast.lng);
  	},
  
  	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 () {
  		var sw = this._southWest,
  		    ne = this._northEast;
  
  		return [sw.lng, sw.lat, ne.lng, ne.lat].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);
  	}
  };
  
  
  /*
   * 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,
  		clearTileBgDelay: 500,
  		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();
  		this.callInitHooks();
  		this._initEvents();
  
  		if (options.maxBounds) {
  			this.setMaxBounds(options.maxBounds);
  		}
  
  		if (options.center && options.zoom !== undefined) {
  			this.setView(L.latLng(options.center), options.zoom, true);
  		}
  
  		this._initLayers(options.layers);
  	},
  
  
  	// public methods that modify map state
  
  	// replaced by animation-powered implementation in Map.PanAnimation.js
  	setView: function (center, zoom) {
  		this._resetView(L.latLng(center), this._limitZoom(zoom));
  		return this;
  	},
  
  	setZoom: function (zoom) { // (Number)
  		return this.setView(this.getCenter(), zoom);
  	},
  
  	zoomIn: function (delta) {
  		return this.setZoom(this._zoom + (delta || 1));
  	},
  
  	zoomOut: function (delta) {
  		return this.setZoom(this._zoom - (delta || 1));
  	},
  
  	fitBounds: function (bounds) { // (LatLngBounds)
  		var zoom = this.getBoundsZoom(bounds);
  		return this.setView(L.latLngBounds(bounds).getCenter(), zoom);
  	},
  
  	fitWorld: function () {
  		var sw = new L.LatLng(-60, -170),
  		    ne = new L.LatLng(85, 179);
  
  		return this.fitBounds(new L.LatLngBounds(sw, ne));
  	},
  
  	panTo: function (center) { // (LatLng)
  		return this.setView(center, this._zoom);
  	},
  
  	panBy: function (offset) { // (Point)
  		// replaced with animated panBy in Map.Animation.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) {
  			this._boundsMinZoom = null;
  			return this;
  		}
  
  		var minZoom = this.getBoundsZoom(bounds, true);
  
  		this._boundsMinZoom = minZoom;
  
  		if (this._loaded) {
  			if (this._zoom < minZoom) {
  				this.setView(bounds.getCenter(), minZoom);
  			} else {
  				this.panInsideBounds(bounds);
  			}
  		}
  
  		return this;
  	},
  
  	panInsideBounds: function (bounds) {
  		bounds = L.latLngBounds(bounds);
  
  		var viewBounds = this.getBounds(),
  		    viewSw = this.project(viewBounds.getSouthWest()),
  		    viewNe = this.project(viewBounds.getNorthEast()),
  		    sw = this.project(bounds.getSouthWest()),
  		    ne = this.project(bounds.getNorthEast()),
  		    dx = 0,
  		    dy = 0;
  
  		if (viewNe.y < ne.y) { // north
  			dy = ne.y - viewNe.y;
  		}
  		if (viewNe.x > ne.x) { // east
  			dx = ne.x - viewNe.x;
  		}
  		if (viewSw.y > sw.y) { // south
  			dy = sw.y - viewSw.y;
  		}
  		if (viewSw.x < sw.x) { // west
  			dx = sw.x - viewSw.x;
  		}
  
  		return this.panBy(new L.Point(dx, dy, true));
  	},
  
  	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);
  		}
  
  		this.whenReady(function () {
  			layer.onAdd(this);
  			this.fire('layeradd', {layer: layer});
  		}, this);
  
  		return this;
  	},
  
  	removeLayer: function (layer) {
  		var id = L.stamp(layer);
  
  		if (!this._layers[id]) { return; }
  
  		layer.onRemove(this);
  
  		delete this._layers[id];
  		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.fire('layerremove', {layer: layer});
  	},
  
  	hasLayer: function (layer) {
  		var id = L.stamp(layer);
  		return this._layers.hasOwnProperty(id);
  	},
  
  	invalidateSize: function (animate) {
  		var oldSize = this.getSize();
  
  		this._sizeChanged = true;
  
  		if (this.options.maxBounds) {
  			this.setMaxBounds(this.options.maxBounds);
  		}
  
  		if (!this._loaded) { return this; }
  
  		var offset = oldSize._subtract(this.getSize())._divideBy(2)._round();
  
  		if (animate === true) {
  			this.panBy(offset);
  		} else {
  			this._rawPanBy(offset);
  
  			this.fire('move');
  
  			clearTimeout(this._sizeTimer);
  			this._sizeTimer = setTimeout(L.bind(this.fire, this, 'moveend'), 200);
  		}
  		return this;
  	},
  
  	// TODO handler.addTo
  	addHandler: function (name, HandlerClass) {
  		if (!HandlerClass) { return; }
  
  		this[name] = new HandlerClass(this);
  
  		if (this.options[name]) {
  			this[name].enable();
  		}
  
  		return this;
  	},
  
  
  	// public methods for getting map state
  
  	getCenter: function () { // (Boolean) -> LatLng
  		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 () {
  		var z1 = this.options.minZoom || 0,
  		    z2 = this._layersMinZoom || 0,
  		    z3 = this._boundsMinZoom || 0;
  
  		return Math.max(z1, z2, z3);
  	},
  
  	getMaxZoom: function () {
  		var z1 = this.options.maxZoom === undefined ? Infinity : this.options.maxZoom,
  		    z2 = this._layersMaxZoom  === undefined ? Infinity : this._layersMaxZoom;
  
  		return Math.min(z1, z2);
  	},
  
  	getBoundsZoom: function (bounds, inside) { // (LatLngBounds, Boolean) -> Number
  		bounds = L.latLngBounds(bounds);
  
  		var size = this.getSize(),
  		    zoom = this.options.minZoom || 0,
  		    maxZoom = this.getMaxZoom(),
  		    ne = bounds.getNorthEast(),
  		    sw = bounds.getSouthWest(),
  		    boundsSize,
  		    nePoint,
  		    swPoint,
  		    zoomNotFound = true;
  
  		if (inside) {
  			zoom--;
  		}
  
  		do {
  			zoom++;
  			nePoint = this.project(ne, zoom);
  			swPoint = this.project(sw, zoom);
  
  			boundsSize = new L.Point(
  			        Math.abs(nePoint.x - swPoint.x),
  			        Math.abs(swPoint.y - nePoint.y));
  
  			if (!inside) {
  				zoomNotFound = boundsSize.x <= size.x && boundsSize.y <= size.y;
  			} else {
  				zoomNotFound = 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 () {
  		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._initialTopLeftPoint);
  		return this.unproject(projectedPoint);
  	},
  
  	latLngToLayerPoint: function (latlng) { // (LatLng)
  		var projectedPoint = this.project(L.latLng(latlng))._round();
  		return projectedPoint._subtract(this._initialTopLeftPoint);
  	},
  
  	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._leaflet) {
  			throw new Error("Map container is already initialized.");
  		}
  
  		container._leaflet = true;
  	},
  
  	_initLayout: function () {
  		var container = this._container;
  
  		L.DomUtil.addClass(container, 'leaflet-container');
  
  		if (L.Browser.touch) {
  			L.DomUtil.addClass(container, 'leaflet-touch');
  		}
  
  		if (this.options.fadeAnimation) {
  			L.DomUtil.addClass(container, '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);
  	},
  
  	_initLayers: function (layers) {
  		layers = layers ? (layers instanceof Array ? layers : [layers]) : [];
  
  		this._layers = {};
  		this._zoomBoundLayers = {};
  		this._tileLayersNum = 0;
  
  		var i, len;
  
  		for (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._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});
  
  		this.fire('move');
  
  		if (zoomChanged || afterZoomAnim) {
  			this.fire('zoomend');
  		}
  
  		this.fire('moveend', {hard: !preserveMapOffset});
  
  		if (loading) {
  			this.fire('load');
  		}
  	},
  
  	_rawPanBy: function (offset) {
  		L.DomUtil.setPosition(this._mapPane, this._getMapPanePos().subtract(offset));
  	},
  
  	_updateZoomLevels: function () {
  		var i,
  			minZoom = Infinity,
  			maxZoom = -Infinity;
  
  		for (i in this._zoomBoundLayers) {
  			if (this._zoomBoundLayers.hasOwnProperty(i)) {
  				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;
  		}
  	},
  
  	// map events
  
  	_initEvents: function () {
  		if (!L.DomEvent) { return; }
  
  		L.DomEvent.on(this._container, 'click', this._onMouseClick, this);
  
  		var events = ['dblclick', 'mousedown', 'mouseup', 'mouseenter',
  		              'mouseleave', 'mousemove', 'contextmenu', 'touchmove'],
  		    i, len;
  
  		for (i = 0, len = events.length; i < len; i++) {
  			L.DomEvent.on(this._container, events[i], this._fireMouseEvent, this);
  		}
  
  		if (this.options.trackResize) {
  			L.DomEvent.on(window, 'resize', this._onResize, this);
  		}
  	},
  
  	_onResize: function () {
  		L.Util.cancelAnimFrame(this._resizeRequest);
  		this._resizeRequest = L.Util.requestAnimFrame(
  		        this.invalidateSize, this, false, this._container);
  	},
  
  	_onMouseClick: function (e) {
  		if (!this._loaded || (this.dragging && this.dragging.moved())) { return; }
  
  		this.fire('preclick');
  		this._fireMouseEvent(e);
  	},
  
  	_fireMouseEvent: function (e) {
  		if (!this._loaded) { 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 () {
  		// TODO super-ugly, refactor!!!
  		// clear scaled tiles after all new tiles are loaded (for performance)
  		this._tileLayersToLoad--;
  		if (this._tileLayersNum && !this._tileLayersToLoad && this._tileBg) {
  			clearTimeout(this._clearTileBgTimer);
  			this._clearTileBgTimer = setTimeout(L.bind(this._clearTileBg, this), this.options.clearTileBgDelay);
  		}
  	},
  
  	whenReady: function (callback, context) {
  		if (this._loaded) {
  			callback.call(context || this, this);
  		} else {
  			this.on('load', callback, context);
  		}
  		return this;
  	},
  
  
  	// private methods for getting map state
  
  	_getMapPanePos: function () {
  		return L.DomUtil.getPosition(this._mapPane);
  	},
  
  	_getTopLeftPoint: function () {
  		if (!this._loaded) {
  			throw new Error('Set map center and zoom first.');
  		}
  
  		return this._initialTopLeftPoint.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);
  	},
  
  	_getCenterLayerPoint: function () {
  		return this.containerPointToLayerPoint(this.getSize()._divideBy(2));
  	},
  
  	_getCenterOffset: function (center) {
  		return this.latLngToLayerPoint(center).subtract(this._getCenterLayerPoint());
  	},
  
  	_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: 6356752.3142,
  	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 = -r2 * 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 / r2),
  		    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,
  		    r2 = m.R_MINOR;
  
  		return new L.Transformation(0.5 / (Math.PI * r), 0.5, -0.5 / (Math.PI * r2), 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,
  		/* (undefined works too)
  		zIndex: null,
  		tms: false,
  		continuousWorld: false,
  		noWrap: false,
  		zoomReverse: false,
  		detectRetina: false,
  		reuseTiles: 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 (typeof url === 'string') {
              this._url = [url];
          } else {
              this._url = url;
          }
  
  		var subdomains = this.options.subdomains;
  
  		if (typeof subdomains === 'string') {
  			this.options.subdomains = subdomains.split('');
  		}
  	},
  
  	onAdd: function (map) {
  		this._map = map;
  
  		// create a container div for tiles
  		this._initContainer();
  
  		// create an image to clone for tiles
  		this._createTileProto();
  
  		// set up events
  		map.on({
  			'viewreset': this._resetCallback,
  			'moveend': this._update
  		}, 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._resetCallback,
  			'moveend': this._update
  		}, 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;
  	},
  
  	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._map._panes.tilePane.empty = false;
  			this._reset(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 () {
  		L.DomUtil.setOpacity(this._container, this.options.opacity);
  
  		// stupid webkit hack to force redrawing of tiles
  		var i,
  		    tiles = this._tiles;
  
  		if (L.Browser.webkit) {
  			for (i in tiles) {
  				if (tiles.hasOwnProperty(i)) {
  					tiles[i].style.webkitTransform += ' translate(0,0)';
  				}
  			}
  		}
  	},
  
  	_initContainer: function () {
  		var tilePane = this._map._panes.tilePane;
  
  		if (!this._container || tilePane.empty) {
  			this._container = L.DomUtil.create('div', 'leaflet-layer');
  
  			this._updateZIndex();
  
  			tilePane.appendChild(this._container);
  
  			if (this.options.opacity < 1) {
  				this._updateOpacity();
  			}
  		}
  	},
  
  	_resetCallback: function (e) {
  		this._reset(e.hard);
  	},
  
  	_reset: function (clearOldContainer) {
  		var tiles = this._tiles;
  
  		for (var key in tiles) {
  			if (tiles.hasOwnProperty(key)) {
  				this.fire('tileunload', {tile: tiles[key]});
  			}
  		}
  
  		this._tiles = {};
  		this._tilesToLoad = 0;
  
  		if (this.options.reuseTiles) {
  			this._unusedTiles = [];
  		}
  
  		if (clearOldContainer && this._container) {
  			this._container.innerHTML = "";
  		}
  
  		this._initContainer();
  	},
  
  	_update: function () {
  
  		if (!this._map) { return; }
  
  		var bounds = this._map.getPixelBounds(),
  		    zoom = this._map.getZoom(),
  		    tileSize = this.options.tileSize;
  
  		if (zoom > this.options.maxZoom || zoom < this.options.minZoom) {
  			return;
  		}
  
  		var nwTilePoint = new L.Point(
  		        Math.floor(bounds.min.x / tileSize),
  		        Math.floor(bounds.min.y / tileSize)),
  
  		    seTilePoint = new L.Point(
  		        Math.floor(bounds.max.x / tileSize),
  		        Math.floor(bounds.max.y / tileSize)),
  
  		    tileBounds = new L.Bounds(nwTilePoint, seTilePoint);
  
  		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._container.appendChild(fragment);
  	},
  
  	_tileShouldBeLoaded: function (tilePoint) {
  		if ((tilePoint.x + ':' + tilePoint.y) in this._tiles) {
  			return false; // already loaded
  		}
  
  		if (!this.options.continuousWorld) {
  			var limit = this._getWrapTileNum();
  
  			if (this.options.noWrap && (tilePoint.x < 0 || tilePoint.x >= limit) ||
  				                        tilePoint.y < 0 || tilePoint.y >= limit) {
  				return false; // exceeds world bounds
  			}
  		}
  
  		return true;
  	},
  
  	_removeOtherTiles: function (bounds) {
  		var kArr, x, y, key;
  
  		for (key in this._tiles) {
  			if (this._tiles.hasOwnProperty(key)) {
  				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._container) {
  			this._container.removeChild(tile);
  		}
  
  		// for https://github.com/CloudMade/Leaflet/issues/137
  		if (!L.Browser.android) {
  			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
  		Android 3 browser not tested
  		Android 2 browser requires top/left or tiles disappear on load or first drag
  		(reappear after zoom) https://github.com/CloudMade/Leaflet/issues/866
  		(other browsers don't currently care) - see debug/hacks/jitter.html for an example
  		*/
  		L.DomUtil.setPosition(tile, tilePos, L.Browser.chrome || L.Browser.android23);
  
  		this._tiles[tilePoint.x + ':' + tilePoint.y] = tile;
  
  		this._loadTile(tile, tilePoint);
  
  		if (tile.parentNode !== this._container) {
  			container.appendChild(tile);
  		}
  	},
  
  	_getZoomForUrl: function () {
  
  		var options = this.options,
  		    zoom = this._map.getZoom();
  
  		if (options.zoomReverse) {
  			zoom = options.maxZoom - zoom;
  		}
  
  		return zoom + options.zoomOffset;
  	},
  
  	_getTilePos: function (tilePoint) {
  		var origin = this._map.getPixelOrigin(),
  		    tileSize = this.options.tileSize;
  
  		return tilePoint.multiplyBy(tileSize).subtract(origin);
  	},
  
  	// image-specific code (override to implement e.g. Canvas or SVG tile layer)
  
  	getTileUrl: function (tilePoint) {
  		this._adjustTilePoint(tilePoint);
  		var tileserverIndex = (tilePoint.x + tilePoint.y) % this._url.length;
  
  		return L.Util.template(this._url[tileserverIndex], L.extend({
  			s: this._getSubdomain(tilePoint),
  			z: this._getZoomForUrl(),
  			x: tilePoint.x,
  			y: tilePoint.y
  		}, this.options));
  	},
  
  	_getWrapTileNum: function () {
  		// TODO refactor, limit is not valid for non-standard projections
  		// old code: return Math.pow(2, this._getZoomForUrl());
  
  		// Changes from stackoverflow -> https://stackoverflow.com/a/14568384
  		// Enable more then one tile on "0" zoom level
  		// For now WMTS example with epsg 27700
  		return this._map.options.crs.scale(this._getZoomForUrl());
  	},
  
  	_adjustTilePoint: function (tilePoint) {
  
  		var limit = this._getWrapTileNum();
  
  		// wrap tile coordinates
  		if (!this.options.continuousWorld && !this.options.noWrap) {
  			tilePoint.x = ((tilePoint.x % limit) + limit) % limit;
  		}
  
  		if (this.options.tms) {
  			tilePoint.y = limit - tilePoint.y - 1;
  		}
  	},
  
  	_getSubdomain: function (tilePoint) {
  		var index = (tilePoint.x + tilePoint.y) % this.options.subdomains.length;
  		return this.options.subdomains[index];
  	},
  
  	_createTileProto: function () {
  		var img = this._tileImg = L.DomUtil.create('img', 'leaflet-tile');
  		img.style.width = img.style.height = this.options.tileSize + 'px';
  		img.galleryimg = 'no';
  	},
  
  	_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 = this._tileImg.cloneNode(false);
  		tile.onselectstart = tile.onmousemove = L.Util.falseFn;
  		return tile;
  	},
  
  	_loadTile: function (tile, tilePoint) {
  		tile._layer  = this;
  		tile.onload  = this._tileOnLoad;
  		tile.onerror = this._tileOnError;
  
  		tile.src     = this.getTileUrl(tilePoint);
  	},
  
      _tileLoaded: function () {
          this._tilesToLoad--;
          if (!this._tilesToLoad) {
              this.fire('load');
          }
      },
  
  	_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);
  
  		if (options.detectRetina && L.Browser.retina) {
  			wmsParams.width = wmsParams.height = this.options.tileSize * 2;
  		} else {
  			wmsParams.width = wmsParams.height = this.options.tileSize;
  		}
  
  		for (var i in options) {
  			// all keys that are not TileLayer options go to WMS params
  			if (options.hasOwnProperty(i) && !this.options.hasOwnProperty(i)) {
  				wmsParams[i] = options[i];
  			}
  		}
  
  		this.wmsParams = wmsParams;
  
  		L.setOptions(this, options);
  	},
  
  	onAdd: function (map) {
  
  		var projectionKey = parseFloat(this.wmsParams.version) >= 1.3 ? 'crs' : 'srs';
  		this.wmsParams[projectionKey] = map.options.crs.code;
  
  		L.TileLayer.prototype.onAdd.call(this, map);
  	},
  
  	getTileUrl: function (tilePoint, zoom) { // (Point, Number) -> String
  
  		this._adjustTilePoint(tilePoint);
  
  		var map = this._map,
  		    crs = map.options.crs,
  		    tileSize = this.options.tileSize,
  
  		    nwPoint = tilePoint.multiplyBy(tileSize),
  		    sePoint = nwPoint.add(new L.Point(tileSize, tileSize)),
  
  		    nw = crs.project(map.unproject(nwPoint, zoom)),
  		    se = crs.project(map.unproject(sePoint, zoom)),
  
  		    bbox = [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) + "&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 () {
  		var tiles = this._tiles;
  
  		for (var i in tiles) {
  			if (tiles.hasOwnProperty(i)) {
  				this._redrawTile(tiles[i]);
  			}
  		}
  	},
  
  	_redrawTile: function (tile) {
  		this.drawTile(tile, tile._tilePoint, this._map._zoom);
  	},
  
  	_createTileProto: function () {
  		var proto = this._canvasProto = L.DomUtil.create('canvas', 'leaflet-tile');
  		proto.width = proto.height = this.options.tileSize;
  	},
  
  	_createTile: function () {
  		var tile = this._canvasProto.cloneNode(false);
  		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;
  	},
  
  	_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)
  		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: (Point) (no shadow by default)
  		shadowSize: (Point)
  		shadowAnchor: (Point)
  		*/
  		className: ''
  	},
  
  	initialize: function (options) {
  		L.setOptions(this, options);
  	},
  
  	createIcon: function () {
  		return this._createIcon('icon');
  	},
  
  	createShadow: function () {
  		return this._createIcon('shadow');
  	},
  
  	_createIcon: function (name) {
  		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 = this._createImg(src);
  		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) {
  		var el;
  
  		if (!L.Browser.ie6) {
  			el = document.createElement('img');
  			el.src = src;
  		} else {
  			el = document.createElement('div');
  			el.style.filter =
  			        'progid:DXImageTransform.Microsoft.AlphaImageLoader(src="' + src + '")';
  		}
  		return el;
  	},
  
  	_getIconUrl: function (name) {
  		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: new L.Point(25, 41),
  		iconAnchor: new L.Point(12, 41),
  		popupAnchor: new L.Point(1, -34),
  
  		shadowSize: new L.Point(41, 41)
  	},
  
  	_getIconUrl: function (name) {
  		var key = name + 'Url';
  
  		if (this.options[key]) {
  			return this.options[key];
  		}
  
  		var path = L.Icon.Default.imagePath;
  
  		if (!path) {
  			throw new Error("Couldn't autodetect L.Icon.Default.imagePath, set it manually.");
  		}
  
  		return path + '/marker-' + name + '.png';
  	}
  });
  
  L.Icon.Default.imagePath = (function () {
  	var scripts = document.getElementsByTagName('script'),
  	    leafletRe = /\/?leaflet[\-\._]?([\w\-\._]*)\.js\??/;
  
  	var i, len, src, matches;
  
  	for (i = 0, len = scripts.length; i < len; i++) {
  		src = scripts[i].src;
  		matches = src.match(leafletRe);
  
  		if (matches) {
  			return src.split(leafletRe)[0] + '/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: '',
  		clickable: true,
  		draggable: false,
  		zIndexOffset: 0,
  		opacity: 1,
  		riseOnHover: false,
  		riseOffset: 250,
  		rotation: 0
  	},
  
  	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();
  
  		if (map.options.zoomAnimation && map.options.markerZoomAnimation) {
  			map.on('zoomanim', this._animateZoom, this);
  		}
  	},
  
  	addTo: function (map) {
  		map.addLayer(this);
  		return this;
  	},
  
  	onRemove: function (map) {
  		this._removeIcon();
  
  		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 });
  	},
  
  	setRotation: function (degrees) {
  		var icon = this._icon;
  
  		this.options.rotation = degrees;
  
  		if (!icon) {
  			return;
  		}
  
  		if (icon.children && icon.children.length) {
  			L.DomUtil.setRotation(this._icon.children[0], degrees);
  		} else {
  			L.DomUtil.setRotation(this._icon, degrees);
  		}
  	},
  
  	getRotation: function () {
  		return this.options.rotation;
  	},
  
  	setZIndexOffset: function (offset) {
  		this.options.zIndexOffset = offset;
  		this.update();
  
  		return this;
  	},
  
  	setIcon: function (icon) {
  		if (this._map) {
  			this._removeIcon();
  		}
  
  		this.options.icon = icon;
  
  		if (this._map) {
  			this._initIcon();
  			this.update();
  		}
  
  		return this;
  	},
  
  	setVisible: function (onoff) {
  		if (this._icon) {
  			L.DomUtil.setVisible(this._icon, onoff);
  		}
  		if (this._shadow) {
  			L.DomUtil.setVisible(this._shadow, onoff);
  		}
  		this.options.visible = !!onoff;
  		return this;
  	},
  
  	getVisible: function (onoff) {
  		return !!this.options.visible;
  	},
  
      setLabelVisible: function (onoff) {
          if (this.options.icon && this.options.icon instanceof L.Icon.Label) {
              this.options.icon.setLabelVisible(onoff);
          }
      },
  
      getLabelVisible: function () {
          if (this.options.icon && this.options.icon instanceof L.Icon.Label) {
              return this.options.icon.getLabelVisible();
          }
      },
  
  	update: function () {
  		if (this._icon) {
  			var pos = this._map.latLngToLayerPoint(this._latlng).round();
  			this._setPos(pos);
  		}
  
  		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',
  		    needOpacityUpdate = false;
  
  		if (!this._icon) {
  			this._icon = options.icon.createIcon();
  
  			if (options.title) {
  				this._icon.title = options.title;
  			}
  
  			this._initInteraction();
  			needOpacityUpdate = (this.options.opacity < 1);
  
  			L.DomUtil.addClass(this._icon, classToAdd);
  
  			if (options.riseOnHover) {
  				L.DomEvent
  					.on(this._icon, 'mouseover', this._bringToFront, this)
  					.on(this._icon, 'mouseout', this._resetZIndex, this);
  			}
  		}
  
  		if (!this._shadow) {
  			this._shadow = options.icon.createShadow();
  
  			if (this._shadow) {
  				L.DomUtil.addClass(this._shadow, classToAdd);
  				needOpacityUpdate = (this.options.opacity < 1);
  			}
  		}
  
  		if (needOpacityUpdate) {
  			this._updateOpacity();
  		}
  
  		var panes = this._map._panes;
  
  		panes.markerPane.appendChild(this._icon);
  
  		if (this._shadow) {
  			panes.shadowPane.appendChild(this._shadow);
  		}
  	},
  
  	_removeIcon: function () {
  		var panes = this._map._panes;
  
  		if (this.options.riseOnHover) {
  			L.DomEvent
  			    .off(this._icon, 'mouseover', this._bringToFront)
  			    .off(this._icon, 'mouseout', this._resetZIndex);
  		}
  
  		panes.markerPane.removeChild(this._icon);
  
  		if (this._shadow) {
  			panes.shadowPane.removeChild(this._shadow);
  		}
  
  		this._icon = 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);
  
  		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);
  
  		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
  		});
  	},
  
  	_fireMouseEvent: function (e) {
  
  		this.fire(e.type, {
  			originalEvent: e
  		});
  
  		// 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);
  		}
  	},
  
  	setOpacity: function (opacity) {
  		this.options.opacity = opacity;
  		if (this._map) {
  			this._updateOpacity();
  		}
  	},
  
  	_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: new L.Point(12, 12), // also can be set through CSS
  		/*
  		iconAnchor: (Point)
  		popupAnchor: (Point)
  		html: (String)
  		bgPos: (Point)
  		*/
  		className: 'leaflet-div-icon'
  	},
  
  	createIcon: function () {
  		var div = document.createElement('div'),
  		    options = this.options;
  
  		if (options.html) {
  			div.innerHTML = options.html;
  		}
  
  		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.Icon.Label = L.Icon.extend({
  	options: {
  		/*
  		labelAnchor: (Point) (top left position of the label within the wrapper, default is right)
  		wrapperAnchor: (Point) (position of icon and label relative to Lat/Lng)
  		iconAnchor: (Point) (top left position of icon within wrapper)
  		labelText: (String) (label's text component, if this is null the element will not be created)
  		*/
  		/* Icon options:
  		iconUrl: (String) (required)
  		iconSize: (Point) (can be set through CSS)
  		iconAnchor: (Point) (centered by default if size is specified, can be set in CSS with negative margins)
  		popupAnchor: (Point) (if not specified, popup opens in the anchor point)
  		shadowUrl: (Point) (no shadow by default)
  		shadowSize: (Point)
  		*/
  		labelClassName: ''
  	},
  
  	initialize: function (options) {
  		L.Util.setOptions(this, options);
          if (!this.options.icon) {
              L.Icon.prototype.initialize.call(this, this.options);
          }
          this._label = null;
  	},
  
  	createIcon: function () {
          return this.options.icon ?
              this._createLabel(this.options.icon.createIcon()) :
              this._createLabel(L.Icon.prototype._createIcon.call(this, 'icon'));
  	},
  
  	createShadow: function () {
  		if (!this.options.shadowUrl) {
  			return null;
  		}
  		var shadow = L.Icon.prototype._createIcon.call(this, 'shadow');
  		//need to reposition the shadow
  		if (shadow) {
  			shadow.style.marginLeft = (-this.options.wrapperAnchor.x) + 'px';
  			shadow.style.marginTop = (-this.options.wrapperAnchor.y) + 'px';
  		}
  		return shadow;
  	},
  
      setLabelVisible: function (onoff) {
          this._label.style.display = onoff ? 'block' : 'none';
      },
  
      getLabelVisible: function () {
          return this._label.style.display === 'block';
      },
  
      setLabelText: function (text) {
          this.options.labelText = text;
          this.refreshLabel();
      },
  
      getLabelText: function () {
          return this.options.labelText;
      },
  
      refreshLabel: function () {
          if (this.options.labelText) {
              this._label.innerHTML = this.options.labelText;
              this.setLabelVisible(true);
          } else {
              this._label.innerHTML = "&nbsp";
              this.setLabelVisible(false);
          }
      },
  
  	_createLabel: function (img) {
  		var wrapper = document.createElement('div'),
  			label = document.createElement('span');
  
  		label.className = 'leaflet-marker-iconlabel ' + this.options.labelClassName;
  
  		if (this.options.labelText) {
              label.innerHTML = this.options.labelText;
          } else {
              label.innerHTML = "&nbsp;";
              label.style.display = 'none';
          }
  
  		//set up label's styles
  		label.style.marginLeft = this.options.labelAnchor.x + 'px';
  		label.style.marginTop = this.options.labelAnchor.y + 'px';
  
  		//set up wrapper anchor
  		wrapper.style.marginLeft = (-this.options.wrapperAnchor.x) + 'px';
  		wrapper.style.marginTop = (-this.options.wrapperAnchor.y) + 'px';
  
  		wrapper.className = 'leaflet-marker-icon-wrapper';
  
  		//reset icons margins (as super makes them -ve)
  		img.style.marginLeft = this.options.iconAnchor.x + 'px';
  		img.style.marginTop = this.options.iconAnchor.y + 'px';
  
  		wrapper.appendChild(img);
  		wrapper.appendChild(label);
  
          this._label = label;
  
  		return wrapper;
  	}
  });
  
  L.Icon.Label.Default = L.Icon.Label.extend({
  	options: {
  		//This is the top left position of the label within the wrapper. By default it will display at the right
  		//middle position of the default icon. x = width of icon + padding
  		//If the icon height is greater than the label height you will need to set the y value.
  		//y = (icon height - label height) / 2
  		labelAnchor: new L.Point(29, 8),
  
  		//This is the position of the wrapper div. Use this to position icon + label relative to the Lat/Lng.
  		//By default the point of the default icon is anchor
  		wrapperAnchor: new L.Point(13, 41),
  
  		//This is now the top left position of the icon within the wrapper.
  		//If the label height is greater than the icon you will need to set the y value.
  		//y = (label height - icon height) / 2
  		iconAnchor: new L.Point(0, 0),
  
  		//label's text component, if this is null the element will not be created
  		labelText: null,
  
  		/* From L.Icon.Default */
  		iconUrl: L.ROOT_URL + 'images/marker.png',
  		iconSize: new L.Point(25, 41),
  		popupAnchor: new L.Point(0, -33),
  
  		shadowUrl: L.ROOT_URL + 'images/marker-shadow.png',
  		shadowSize: new L.Point(41, 41)
  	}
  });
  
  /*
   * 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: new L.Point(0, 6),
  		autoPanPadding: new L.Point(5, 5),
  		className: '',
  		zoomAnimation: true
  	},
  
  	initialize: function (options, source) {
  		L.setOptions(this, options);
  
  		this._source = source;
  		this._animated = L.Browser.any3d && this.options.zoomAnimation;
  	},
  
  	onAdd: function (map) {
  		this._map = map;
  
  		if (!this._container) {
  			this._initLayout();
  		}
  		this._updateContent();
  
  		var animFade = map.options.fadeAnimation;
  
  		if (animFade) {
  			L.DomUtil.setOpacity(this._container, 0);
  		}
  		map._panes.popupPane.appendChild(this._container);
  
  		map.on('viewreset', this._updatePosition, this);
  
  		if (this._animated) {
  			map.on('zoomanim', this._zoomAnimation, this);
  		}
  
  		if (map.options.closePopupOnClick) {
  			map.on('preclick', this._close, this);
  		}
  
  		this._update();
  
  		if (animFade) {
  			L.DomUtil.setOpacity(this._container, 1);
  		}
  	},
  
  	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({
  			viewreset: this._updatePosition,
  			preclick: this._close,
  			zoomanim: this._zoomAnimation
  		}, this);
  
  		if (map.options.fadeAnimation) {
  			L.DomUtil.setOpacity(this._container, 0);
  		}
  
  		this._map = null;
  	},
  
  	setLatLng: function (latlng) {
  		this._latlng = L.latLng(latlng);
  		this._update();
  		return this;
  	},
  
  	setContent: function (content) {
  		this._content = content;
  		this._update();
  		return this;
  	},
  
  	_close: function () {
  		var map = this._map;
  
  		if (map) {
  			map._popup = null;
  
  			map
  			    .removeLayer(this)
  			    .fire('popupclose', {popup: 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.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.on(this._contentNode, 'mousewheel', L.DomEvent.stopPropagation);
  
  		this._tipContainer = L.DomUtil.create('div', prefix + '-tip-container', container);
  		this._tip = L.DomUtil.create('div', prefix + '-tip', this._tipContainer);
  	},
  
  	_update: function () {
  		if (!this._map) { return; }
  
  		this._container.style.visibility = 'hidden';
  
  		this._updateContent();
  		this._updateLayout();
  		this._updatePosition();
  
  		this._container.style.visibility = '';
  
  		this._adjustPan();
  	},
  
  	_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 = 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 = this.options.autoPanPadding,
  		    size = map.getSize(),
  		    dx = 0,
  		    dy = 0;
  
  		if (containerPos.x < 0) {
  			dx = containerPos.x - padding.x;
  		}
  		if (containerPos.x + containerWidth > size.x) {
  			dx = containerPos.x + containerWidth - size.x + padding.x;
  		}
  		if (containerPos.y < 0) {
  			dy = containerPos.y - padding.y;
  		}
  		if (containerPos.y + containerHeight > size.y) {
  			dy = containerPos.y + containerHeight - size.y + padding.y;
  		}
  
  		if (dx || dy) {
  			map.panBy(new L.Point(dx, dy));
  		}
  	},
  
  	_onCloseButtonClick: function (e) {
  		this._close();
  		L.DomEvent.stop(e);
  	}
  });
  
  L.popup = function (options, source) {
  	return new L.Popup(options, source);
  };
  
  
  /*
   * Popup extension to L.Marker, adding popup-related methods.
   */
  
  L.Marker.include({
  	openPopup: function () {
  		if (this._popup && this._map) {
  			this._popup.setLatLng(this._latlng);
  			this._map.openPopup(this._popup);
  		}
  
  		return this;
  	},
  
  	closePopup: function () {
  		if (this._popup) {
  			this._popup._close();
  		}
  		return this;
  	},
  
  	bindPopup: function (content, options) {
  		var anchor = L.point(this.options.icon.options.popupAnchor) || new L.Point(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._popup) {
  			this
  			    .on('click', this.openPopup, this)
  			    .on('remove', this.closePopup, this)
  			    .on('move', this._movePopup, this);
  		}
  
  		this._popup = new L.Popup(options, this)
  			.setContent(content);
  
  		return this;
  	},
  
  	unbindPopup: function () {
  		if (this._popup) {
  			this._popup = null;
  			this
  			    .off('click', this.openPopup)
  			    .off('remove', this.closePopup)
  			    .off('move', this._movePopup);
  		}
  		return this;
  	},
  
  	_movePopup: function (e) {
  		this._popup.setLatLng(e.latlng);
  	}
  });
  
  
  /*
   * Adds popup-related methods to L.Map.
   */
  
  L.Map.include({
  	openPopup: function (popup) {
  		this.closePopup();
  
  		this._popup = popup;
  
  		return this
  		    .addLayer(popup)
  		    .fire('popupopen', {popup: this._popup});
  	},
  
  	closePopup: function () {
  		if (this._popup) {
  			this._popup._close();
  		}
  		return this;
  	}
  });
  
  
  /*
   * 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 = L.stamp(layer);
  
  		this._layers[id] = layer;
  
  		if (this._map) {
  			this._map.addLayer(layer);
  		}
  
  		return this;
  	},
  
  	removeLayer: function (layer) {
  		var id = L.stamp(layer);
  
  		delete this._layers[id];
  
  		if (this._map) {
  			this._map.removeLayer(layer);
  		}
  
  		return this;
  	},
  
  	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) {
  			if (this._layers.hasOwnProperty(i)) {
  				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) {
  			if (this._layers.hasOwnProperty(i)) {
  				method.call(context, this._layers[i]);
  			}
  		}
  	},
  
  	setZIndex: function (zIndex) {
  		return this.invoke('setZIndex', zIndex);
  	}
  });
  
  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'
  	},
  
  	addLayer: function (layer) {
  		if (this._layers[L.stamp(layer)]) {
  			return this;
  		}
  
  		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) {
  		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);
  	},
  
  	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.layer  = e.target;
  		e.target = this;
  
  		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: L.Browser.mobile ?
  			Math.max(0, Math.min(0.5,
  			        (1280 / Math.max(window.innerWidth, window.innerHeight) - 1) / 2)) : 0.5
  	},
  
  	options: {
  		stroke: true,
  		color: '#0033ff',
  		dashArray: 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');
  		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');
  		}
  		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');
  			}
  		} 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) {
  				this._path.setAttribute('class', '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.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) {
  				this._pathRoot.setAttribute('class', ' leaflet-zoom-animated');
  
  				this.on({
  					'zoomanim': this._animatePathZoom,
  					'zoomend': this._endPathZoom
  				});
  			} else {
  				this._pathRoot.setAttribute('class', ' 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 (!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');
  		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 = options.dashArray instanceof Array ?
  				    options.dashArray.join(' ') :
  				    options.dashArray.replace(/ *, */g, ' ');
  			} else {
  				stroke.dashStyle = '';
  			}
  
  		} 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._requestUpdate();
  
  		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;
  		}
  	},
  
  	_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();
  		}
  
  		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) {
  			// TODO hand cursor
  			// TODO mouseover, mouseout, dblclick
  			this._map.on('click', this._onClick, this);
  		}
  	},
  
  	_onClick: function (e) {
  		if (this._containsPoint(e.layerPoint)) {
  			this.fire('click', {
  				latlng: e.latlng,
  				layerPoint: e.layerPoint,
  				containerPoint: e.containerPoint,
  				originalEvent: 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 oprations 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.Polygon 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);
  		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 () {
  		var bounds = new L.LatLngBounds(),
  		    latLngs = this.getLatLngs(),
  		    i, len;
  
  		for (i = 0, len = latLngs.length; i < len; i++) {
  			bounds.extend(latLngs[i]);
  		}
  
  		return bounds;
  	},
  
  	_convertLatLngs: function (latlngs) {
  		var i, len;
  		for (i = 0, len = latlngs.length; i < len; i++) {
  			if (latlngs[i] instanceof Array && typeof latlngs[i][0] !== 'number') {
  				return;
  			}
  			latlngs[i] = L.latLng(latlngs[i]);
  		}
  		return latlngs;
  	},
  
  	_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);
  
  		if (latlngs && (latlngs[0] instanceof Array) && (typeof latlngs[0][0] !== 'number')) {
  			this._latlngs = this._convertLatLngs(latlngs[0]);
  			this._holes = latlngs.slice(1);
  		}
  	},
  
  	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]);
  			}
  		}
  	},
  
  	_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;
  			}
  		});
  	}
  
  	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(),
  		    latlng2 = new L.LatLng(this._latlng.lat, this._latlng.lng - lngRadius),
  		    point2 = this._map.latLngToLayerPoint(latlng2);
  
  		this._point = this._map.latLngToLayerPoint(this._latlng);
  		this._radius = Math.max(Math.round(this._point.x - point2.x), 1);
  	},
  
  	getBounds: function () {
  		var lngRadius = this._getLngRadius(),
  		    latRadius = (this._mRadius / 40075017) * 360,
  		    latlng = this._latlng,
  		    sw = new L.LatLng(latlng.lat - latRadius, latlng.lng - lngRadius),
  		    ne = new L.LatLng(latlng.lat + latRadius, latlng.lng + lngRadius);
  
  		return new L.LatLngBounds(sw, ne);
  	},
  
  	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);
  	},
  
  	setRadius: function (radius) {
  		this._radius = radius;
  		return this.redraw();
  	}
  });
  
  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);
  	}
  });
  
  
  /*
   * 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 = geojson instanceof Array ? geojson : geojson.features,
  		    i, len;
  
  		if (features) {
  			for (i = 0, len = features.length; i < len; i++) {
  				// Only add this if geometry or geometries are set and not null
  				if (features[i].geometries || features[i].geometry) {
  					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);
  		layer.feature = 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) {
  		var geometry = geojson.type === 'Feature' ? geojson.geometry : geojson,
  		    coords = geometry.coordinates,
  		    layers = [],
  		    latlng, latlngs, i, len, layer;
  
  		switch (geometry.type) {
  		case 'Point':
  			latlng = this.coordsToLatLng(coords);
  			return pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
  
  		case 'MultiPoint':
  			for (i = 0, len = coords.length; i < len; i++) {
  				latlng = this.coordsToLatLng(coords[i]);
  				layer = pointToLayer ? pointToLayer(geojson, latlng) : new L.Marker(latlng);
  				layers.push(layer);
  			}
  			return new L.FeatureGroup(layers);
  
  		case 'LineString':
  			latlngs = this.coordsToLatLngs(coords);
  			return new L.Polyline(latlngs);
  
  		case 'Polygon':
  			latlngs = this.coordsToLatLngs(coords, 1);
  			return new L.Polygon(latlngs);
  
  		case 'MultiLineString':
  			latlngs = this.coordsToLatLngs(coords, 1);
  			return new L.MultiPolyline(latlngs);
  
  		case "MultiPolygon":
  			latlngs = this.coordsToLatLngs(coords, 2);
  			return new L.MultiPolygon(latlngs);
  
  		case "GeometryCollection":
  			for (i = 0, len = geometry.geometries.length; i < len; i++) {
  				layer = this.geometryToLayer(geometry.geometries[i], pointToLayer);
  				layers.push(layer);
  			}
  			return new L.FeatureGroup(layers);
  
  		default:
  			throw new Error('Invalid GeoJSON object.');
  		}
  	},
  
  	coordsToLatLng: function (coords, reverse) { // (Array, Boolean) -> LatLng
  		var lat = parseFloat(coords[reverse ? 0 : 1]),
  		    lng = parseFloat(coords[reverse ? 1 : 0]);
  
  		return new L.LatLng(lat, lng);
  	},
  
  	coordsToLatLngs: function (coords, levelsDeep, reverse) { // (Array, Number, Boolean) -> Array
  		var latlng,
  		    latlngs = [],
  		    i, len;
  
  		for (i = 0, len = coords.length; i < len; i++) {
  			latlng = levelsDeep ?
  			        this.coordsToLatLngs(coords[i], levelsDeep - 1, reverse) :
  			        this.coordsToLatLng(coords[i], reverse);
  
  			latlngs.push(latlng);
  		}
  
  		return latlngs;
  	}
  });
  
  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.msTouch && type.indexOf('touch') === 0) {
  			return this.addMsTouchListener(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 {
  				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; }
  
  		if (L.Browser.msTouch && type.indexOf('touch') === 0) {
  			this.removeMsTouchListener(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;
  		}
  		return this;
  	},
  
  	disableClickPropagation: function (el) {
  
  		var stop = L.DomEvent.stopPropagation;
  
  		for (var i = L.Draggable.START.length - 1; i >= 0; i--) {
  			L.DomEvent.addListener(el, L.Draggable.START[i], stop);
  		}
  
  		return L.DomEvent
  			.addListener(el, 'click', stop)
  			.addListener(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) {
  
  		var body = document.body,
  		    docEl = document.documentElement,
  		    x = e.pageX ? e.pageX :
                  !e.clientX && e.touches && e.touches.length ?
                      e.touches[0].clientX + body.scrollLeft + docEl.scrollLeft :
                      e.clientX + body.scrollLeft + docEl.scrollLeft,
  		    y = e.pageY ? e.pageY :
                  !e.clientY && e.touches && e.touches.length ?
                      e.touches[0].clientY + body.scrollLeft + docEl.scrollLeft :
                      e.clientY + body.scrollTop + docEl.scrollTop,
  		    pos = new L.Point(x, y);
  
  		return (container ? pos._subtract(L.DomUtil.getViewportOffset(container)) : pos);
  	},
  
  	getWheelDelta: function (e) {
  
  		var delta = 0;
  
  		if (e.wheelDelta) {
  			delta = e.wheelDelta / 120;
  		}
  		if (e.detail) {
  			delta = -e.detail / 3;
  		}
  		return delta;
  	},
  
  	// 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;
  	}
  };
  
  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',
  			MSPointerDown: 'touchend'
  		},
  		MOVE: {
  			mousedown: 'mousemove',
  			touchstart: 'touchmove',
  			MSPointerDown: 'touchmove'
  		},
  		TAP_TOLERANCE: 15
  	},
  
  	initialize: function (element, dragStartTarget, longPress) {
  		this._element = element;
  		this._dragStartTarget = dragStartTarget || element;
  		this._longPress = longPress && !L.Browser.msTouch;
  	},
  
  	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) {
  		if ((!L.Browser.touch && e.shiftKey) ||
  		    ((e.which !== 1) && (e.button !== 1) && !e.touches)) { return; }
  
  		L.DomEvent.preventDefault(e);
  		L.DomEvent.stopPropagation(e);
  
  		if (L.Draggable._disabled) { return; }
  
  		this._simulateClick = true;
  
  		if (e.touches && e.touches.length > 1) {
  			this._simulateClick = false;
  			clearTimeout(this._longPressTimeout);
  			return;
  		}
  
  		var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
  		    el = first.target;
  
  		if (L.Browser.touch && el.tagName.toLowerCase() === 'a') {
  			L.DomUtil.addClass(el, 'leaflet-active');
  		}
  
  		this._moved = false;
  		if (this._moving) { return; }
  
  		this._startPoint = new L.Point(first.clientX, first.clientY);
  		this._startPos = this._newPos = L.DomUtil.getPosition(this._element);
  
  		//Touch contextmenu event emulation
  		if (e.touches && e.touches.length === 1 && L.Browser.touch && this._longPress) {
  			this._longPressTimeout = setTimeout(L.bind(function () {
  				var dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
  
  				if (dist < L.Draggable.TAP_TOLERANCE) {
  					this._simulateClick = false;
  					this._onUp();
  					this._simulateEvent('contextmenu', first);
  				}
  			}, this), 1000);
  		}
  
  		L.DomEvent.on(document, L.Draggable.MOVE[e.type], this._onMove, this);
  		L.DomEvent.on(document, L.Draggable.END[e.type], this._onUp, this);
  	},
  
  	_onMove: function (e) {
  		if (e.touches && e.touches.length > 1) { return; }
  
  		var first = (e.touches && e.touches.length === 1 ? e.touches[0] : e),
  		    newPoint = new L.Point(first.clientX, first.clientY),
  		    diffVec = newPoint.subtract(this._startPoint);
  
  		if (!diffVec.x && !diffVec.y) { return; }
  
  		L.DomEvent.preventDefault(e);
  
  		if (!this._moved) {
  			this.fire('dragstart');
  			this._moved = true;
  
  			this._startPos = L.DomUtil.getPosition(this._element).subtract(diffVec);
  
  			if (!L.Browser.touch) {
  				L.DomUtil.disableTextSelection();
  				this._setMovingCursor();
  			}
  		}
  
  		this._newPos = this._startPos.add(diffVec);
  		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 (e) {
  		var simulateClickTouch;
  		clearTimeout(this._longPressTimeout);
  		if (this._simulateClick && e.changedTouches) {
  			var first = e.changedTouches[0],
  			    el = first.target,
  			    dist = (this._newPos && this._newPos.distanceTo(this._startPos)) || 0;
  
  			if (el.tagName.toLowerCase() === 'a') {
  				L.DomUtil.removeClass(el, 'leaflet-active');
  			}
  
  			if (dist < L.Draggable.TAP_TOLERANCE) {
  				simulateClickTouch = first;
  			}
  		}
  
  		if (!L.Browser.touch) {
  			L.DomUtil.enableTextSelection();
  			this._restoreCursor();
  		}
  
  		for (var i in L.Draggable.MOVE) {
  			if (L.Draggable.MOVE.hasOwnProperty(i)) {
  				L.DomEvent.off(document, L.Draggable.MOVE[i], this._onMove);
  				L.DomEvent.off(document, L.Draggable.END[i], this._onUp);
  			}
  		}
  
  		if (this._moved) {
  			// ensure drag is not fired after dragend
  			L.Util.cancelAnimFrame(this._animRequest);
  
  			this.fire('dragend');
  		}
  		this._moving = false;
  
  		if (simulateClickTouch) {
  			this._moved = false;
  			this._simulateEvent('click', simulateClickTouch);
  		}
  	},
  
  	_setMovingCursor: function () {
  		L.DomUtil.addClass(document.body, 'leaflet-dragging');
  	},
  
  	_restoreCursor: function () {
  		L.DomUtil.removeClass(document.body, 'leaflet-dragging');
  	},
  
  	_simulateEvent: function (type, e) {
  		var simulatedEvent = document.createEvent('MouseEvents');
  
  		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);
  	}
  });
  
  
  /*
  	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,
  
  	longPress: true,
  
  	// 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, map.options.longPress);
  
  			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);
  			}
  		}
  		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(new L.LatLng(0, 0));
  
  		this._initialWorldOffset = pxWorldCenter.subtract(pxCenter).x;
  		this._worldWidth = this._map.project(new L.LatLng(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 () {
  		var map = this._map,
  		    options = map.options,
  		    delay = +new Date() - this._lastTime,
  
  		    noInertia = !options.inertia || delay > options.inertiaThreshold || !this._positions[0];
  
  		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(new L.Point(0, 0)),
  
  			    limitedSpeed = Math.min(options.inertiaMaxSpeed, speed),
  			    limitedSpeedVector = speedVector.multiplyBy(limitedSpeed / speed),
  
  			    decelerationDuration = limitedSpeed / (options.inertiaDeceleration * ease),
  			    offset = limitedSpeedVector.multiplyBy(-decelerationDuration / 2).round();
  
  			L.Util.requestAnimFrame(function () {
  				map.panBy(offset, decelerationDuration, ease);
  			});
  		}
  
  		map.fire('dragend');
  
  		if (options.maxBounds) {
  			// TODO predrag validation instead of animation
  			L.Util.requestAnimFrame(this._panInsideMaxBounds, map, true, map._container);
  		}
  	},
  
  	_panInsideMaxBounds: function () {
  		this.panInsideBounds(this.options.maxBounds);
  	}
  });
  
  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);
  	},
  
  	removeHooks: function () {
  		this._map.off('dblclick', this._onDoubleClick);
  	},
  
  	_onDoubleClick: function (e) {
  		this.setView(e.latlng, this._zoom + 1);
  	}
  });
  
  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);
  		this._delta = 0;
  	},
  
  	removeHooks: function () {
  		L.DomEvent.off(this._map._container, 'mousewheel', this._onWheelScroll);
  	},
  
  	_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.round(delta);
  		delta = Math.max(Math.min(delta, 4), -4);
  		delta = map._limitZoom(zoom + delta) - zoom;
  
  		this._delta = 0;
  
  		this._startTime = null;
  
  		if (!delta) { return; }
  
  		var newZoom = zoom + delta,
  		    newCenter = this._getCenterForScrollWheelZoom(newZoom);
  
  		map.setView(newCenter, newZoom);
  	},
  
  	_getCenterForScrollWheelZoom: function (newZoom) {
  		var map = this._map,
  		    scale = map.getZoomScale(newZoom),
  		    viewHalf = map.getSize()._divideBy(2),
  		    centerOffset = this._lastMousePos._subtract(viewHalf)._multiplyBy(1 - 1 / scale),
  		    newCenterPoint = map._getTopLeftPoint()._add(viewHalf)._add(centerOffset);
  
  		return map.unproject(newCenterPoint);
  	}
  });
  
  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.msTouch ? 'MSPointerDown' : 'touchstart',
  	_touchend: L.Browser.msTouch ? 'MSPointerUp' : '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.msTouch) {
  				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) {
  			/*jshint forin:false */
  			if (L.Browser.msTouch) {
  				var idx = trackedTouches.indexOf(e.pointerId);
  				if (idx === -1) {
  					return;
  				}
  				trackedTouches.splice(idx, 1);
  			}
  
  			if (doubleTap) {
  				if (L.Browser.msTouch) {
  					//Work around .type being readonly with MSPointer* events
  					var newTouch = { },
  						prop;
  
  					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 msTouch 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.msTouch ? document.documentElement : obj;
  
  		obj.addEventListener(touchstart, onTouchStart, false);
  		endElement.addEventListener(touchend, onTouchEnd, false);
  		if (L.Browser.msTouch) {
  			endElement.addEventListener('MSPointerCancel', onTouchEnd, false);
  		}
  		return this;
  	},
  
  	removeDoubleTapListener: function (obj, id) {
  		var pre = '_leaflet_';
  		obj.removeEventListener(this._touchstart, obj[pre + this._touchstart + id], false);
  		(L.Browser.msTouch ? document.documentElement : obj).removeEventListener(this._touchend, obj[pre + this._touchend + id], false);
  		if (L.Browser.msTouch) {
  			document.documentElement.removeEventListener('MSPointerCancel', 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, {
  
  	_msTouches: [],
  	_msDocumentListener: false,
  
  	// Provides a touch events wrapper for msPointer events.
  	// Based on changes by veproza https://github.com/CloudMade/Leaflet/pull/1019
  
  	addMsTouchListener: function (obj, type, handler, id) {
  
  		switch (type) {
  		case 'touchstart':
  			return this.addMsTouchListenerStart(obj, type, handler, id);
  		case 'touchend':
  			return this.addMsTouchListenerEnd(obj, type, handler, id);
  		case 'touchmove':
  			return this.addMsTouchListenerMove(obj, type, handler, id);
  		default:
  			throw 'Unknown touch event type';
  		}
  	},
  
  	addMsTouchListenerStart: function (obj, type, handler, id) {
  		var pre = '_leaflet_',
  		    touches = this._msTouches;
  
  		var cb = function (e) {
  
  			var alreadyInArray = false;
  			for (var i = 0; i < touches.length; i++) {
  				if (touches[i].pointerId === e.pointerId) {
  					alreadyInArray = true;
  					break;
  				}
  			}
  			if (!alreadyInArray) {
  				touches.push(e);
  			}
  
  			e.touches = touches.slice();
  			e.changedTouches = [e];
  
  			handler(e);
  		};
  
  		obj[pre + 'touchstart' + id] = cb;
  		obj.addEventListener('MSPointerDown', cb, false);
  
  		// need to also listen for end events to keep the _msTouches list accurate
  		// this needs to be on the body and never go away
  		if (!this._msDocumentListener) {
  			var internalCb = function (e) {
  				for (var i = 0; i < touches.length; i++) {
  					if (touches[i].pointerId === e.pointerId) {
  						touches.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('MSPointerUp', internalCb, false);
  			document.documentElement.addEventListener('MSPointerCancel', internalCb, false);
  
  			this._msDocumentListener = true;
  		}
  
  		return this;
  	},
  
  	addMsTouchListenerMove: function (obj, type, handler, id) {
  		var pre = '_leaflet_',
  		    touches = this._msTouches;
  
  		function cb(e) {
  
  			// don't fire touch moves when mouse isn't down
  			if (e.pointerType === e.MSPOINTER_TYPE_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('MSPointerMove', cb, false);
  
  		return this;
  	},
  
  	addMsTouchListenerEnd: function (obj, type, handler, id) {
  		var pre = '_leaflet_',
  		    touches = this._msTouches;
  
  		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('MSPointerUp', cb, false);
  		obj.addEventListener('MSPointerCancel', cb, false);
  
  		return this;
  	},
  
  	removeMsTouchListener: function (obj, type, id) {
  		var pre = '_leaflet_',
  		    cb = obj[pre + type + id];
  
  		switch (type) {
  		case 'touchstart':
  			obj.removeEventListener('MSPointerDown', cb, false);
  			break;
  		case 'touchmove':
  			obj.removeEventListener('MSPointerMove', cb, false);
  			break;
  		case 'touchend':
  			obj.removeEventListener('MSPointerUp', cb, false);
  			obj.removeEventListener('MSPointerCancel', 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
  });
  
  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) {
  		if (!e.touches || e.touches.length !== 2) { return; }
  
  		var map = this._map;
  
  		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 (!this._moved) {
  			L.DomUtil.addClass(map._mapPane, 'leaflet-zoom-anim leaflet-touching');
  
  			map
  			    .fire('movestart')
  			    .fire('zoomstart')
  			    ._prepareTileBg();
  
  			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);
  
  		map.fire('zoomanim', {
  			center: center,
  			zoom: map.getScaleZoom(this._scale)
  		});
  
  		// Used 2 translates instead of transform-origin because of a very strange bug -
  		// it didn't count the origin on the first touch-zoom but worked correctly afterwards
  
  		map._tileBg.style[L.DomUtil.TRANSFORM] =
  		        L.DomUtil.getTranslateString(this._delta) + ' ' +
  		        L.DomUtil.getScaleString(this._scale, this._startCenter);
  	},
  
  	_onTouchEnd: function () {
  		if (!this._moved || !this._zooming) { return; }
  
  		var map = this._map;
  
  		this._zooming = false;
  		L.DomUtil.removeClass(map._mapPane, 'leaflet-touching');
  
  		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);
  
  		map.fire('zoomanim', {
  			center: center,
  			zoom: zoom
  		});
  
  		map._runAnimation(center, zoom, map.getZoomScale(zoom) / this._scale, origin, true);
  	},
  
  	_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.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;
  	},
  
  	addHooks: function () {
  		L.DomEvent.on(this._container, 'mousedown', this._onMouseDown, this);
  	},
  
  	removeHooks: function () {
  		L.DomEvent.off(this._container, 'mousedown', this._onMouseDown);
  	},
  
  	force: function (v) {
  		this._force = v;
  	},
  
  	_onMouseDown: function (e) {
  		if (!this._force && (!e.shiftKey || ((e.which !== 1) && (e.button !== 1)))) { return false; }
  
  		L.DomUtil.disableTextSelection();
  
  		this._startLayerPoint = this._map.mouseEventToLayerPoint(e);
  
  		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';
  
  		L.DomEvent
  			.on(document, 'mousemove', this._onMouseMove, this)
  			.on(document, 'mouseup', this._onMouseUp, this)
  			.preventDefault(e);
  
  		this._map.fire("boxzoomstart");
  	},
  
  	_onMouseMove: function (e) {
  		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);
  
  		// 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';
  	},
  
  	_onMouseUp: function (e) {
  		this._pane.removeChild(this._box);
  		this._container.style.cursor = '';
  
  		L.DomUtil.enableTextSelection();
  
  		L.DomEvent
  		    .off(document, 'mousemove', this._onMouseMove)
  		    .off(document, 'mouseup', this._onMouseUp);
  
  		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));
  
  		if (this._onDone) {
  			this._onDone(this._startLayerPoint, layerPoint, e);
  		} else {
  			map.fitBounds(bounds);
  		}
  
  		map.fire("boxzoomend", {
  			boxZoomBounds: bounds
  		});
  	}
  });
  
  L.Map.addInitHook('addHandler', 'boxZoom', L.Map.BoxZoom);
  
  
  L.Map.Measure = L.Handler.extend({
  	options: {
  		icon: new L.DivIcon({
  			iconSize: new L.Point(8, 8),
  			className: 'leaflet-div-icon leaflet-editing-icon'
  		}),
  		lineOptions: {
  			color: "black",
  			weight: 2,
  			dashArray: "5, 7"
  		},
  		labelFunction: function (latlng, current, segments, total) {
  			if (total > 1000) {
  				return Math.round(total) + "km";
  			} else if (total > 100) {
  				return Math.round(total * 10) / 10 + "km";
  			} else if (total > 10) {
  				return Math.round(total * 100) / 100 + "km";
  			} else {
  				return Math.round(total * 1000) + "m";
  			}
  		},
  		tipLabelFunction: function () {
  			return this.options.labelFunction(null, null, null, this._current);
  		}
  	},
  
  	initialize: function (map, options) {
  		this._map = map;
  		this._container = map._container;
  		this._points = [];
  		L.Util.setOptions(this, options);
  		this._IconLabel = L.Icon.Label.extend({
  			options: {
  				icon: this.options.icon,
  				labelAnchor: new L.Point(16, -8),
  				wrapperAnchor: new L.Point(4, 4),
  				iconAnchor: new L.Point(0, 0),
  				labelText: null
  			}
  		});
  	},
  
  	addHooks: function () {
  		this._map.on("dblclick", this._onDoubleClick, this);
  		this._map.on("click", this._onClick, this);
  
  		// save doubleclick zoom enabled state
  		this._doubleClickZoomOriginallyEnabled = this._map.doubleClickZoom.enabled;
  		this._map.doubleClickZoom.disable();
  
  		this._total = 0;
  		this._current = 0;
  		this._segments = [];
  	},
  
  	removeHooks: function () {
  		// remove event handlers
  		this._map.off("dblclick", this._onDoubleClick, this);
  		this._map.off("click", this._onClick, this);
  
  		// remove map objects
  		if (this._line) {	
  			this._map.removeLayer(this._line);	
  		}		
  		this._removeElasticLine();
  		this._points = [];
  		if (this._markers) {
  			this._markers.clearLayers();
  			this._map.removeLayer(this._markers);
  		}
  		this._elasticLineTipMarker = null;
  
  		// restore map state
  		if (this._doubleClickZoomOriginallyEnabled) {
  			this._map.doubleClickZoom.enable();
  		}
  	},
  
  	_onDoubleClick: function (e) {
  		// cut off last points because of the two clicks emitted befor doubleclick
  		this._segments.splice(this._segments.length - 1, 1);
  		this._points.splice(this._points.length - 1, 1);
  		this._calculate(e.latlng);
  		this._map.fire("measureend", { latlng: e.latlng,
  									   total: this._total,
  									   current: this._segments[this._segments.length - 1],
  									   segments: this._segments,
  									   waypoints: this._points });
  		this.removeHooks();
  		this.addHooks();
  		e.originalEvent.stopPropagation();
  	},
  
  	_onClick: function (e) {
  		var p = e.latlng;
  
  		if (this._points.length === 0) {
  
  			// first click: add the polyline
  			this._line = new L.Polyline([p], this.options.lineOptions);
  			this._map.addLayer(this._line);
  			// the first marker has an icon without the label
  			this._markers = new L.LayerGroup();
  			this._markers.addLayer(
  				new L.Marker(p, {
  					icon: this.options.icon,
  					clickable: false
  				}));
  			this._map.addLayer(this._markers);
  			// fire start event
  			this._map.fire("measurestart", { startLatLng: p });
  			this._drawElasticLine(p);
  
  		} else {
  
  			// extend the line
  			this._line.addLatLng(p);
  			// calculate distance and set the values
  			this._calculate(p);
  			this._segments.push(this._current);
  			this._total += this._current;
  			// create a labeled marker
  			this._markers.addLayer(this._getLabeledIconMarker(p));
  
  		}
  		// save point
  		this._points.push(p);
  		this._lastPoint = p;
  		// fire click event
  		this._map.fire("measureclick", { latlng: p,
  										 total: this._total,
  										 current: this._current,
  										 segments: this._segments,
  										 waypoints: this._points });
  	},
  
  	_getLabeledIconMarker: function (latlng) {
  		return new L.Marker(latlng, {
  			icon: new this._IconLabel({ labelText: this._getMarkerLabelText(latlng) }),
  			clickable: false
  		});
  	},
  
  	_getMarkerLabelText: function (latlng, labelFunction) {
  		if (labelFunction === undefined) {
  			labelFunction = this.options.labelFunction;
  		}
  
  		if (typeof labelFunction === "function") {
  			return labelFunction.call(
  				this,
  				latlng,
  				this._current,
  				this._segments,
  				this._total
  			);
  		} else if (typeof labelFunction === "string") {
  			return labelFunction;
  		}
  
  		return null;
  	},
  
  	_drawElasticLine: function (startPoint) {
  		this._line.addLatLng(startPoint);
  		this._map.on("mousemove", this._stretchElasticLine, this);
  	},
  
  	_stretchElasticLine: function (e) {
  		var p = e.latlng;
  
  		this._line.spliceLatLngs(this._line._latlngs.length - 1, 1, p);
  		this._calculate(p);
  		if (this._elasticLineTipMarker) {
  			this._elasticLineTipMarker.setLatLng(p);
  			this._elasticLineTipMarker.options.icon.setLabelText(
  				this._getMarkerLabelText(p, this.options.tipLabelFunction));
  		} else {
  			this._elasticLineTipMarker = this._getLabeledIconMarker(p);
  			this._markers.addLayer(this._elasticLineTipMarker);
  		}
  		this._map.fire("measure", { latlng: p,
  									total: this._total,
  									current: this._current,
  									segments: this._segments,
  									waypoints: this._points });
  	},
  
  	_removeElasticLine: function () {
  		this._map.off("mousemove", this._stretchElasticLine);
  	},
  
  	_calculate: function (latlng) {
  		var last = this._lastPoint;
          if (this.options.calculateDistance && this.options.calculateDistance.call) {
              this._current = this.options.calculateDistance.call(this, last.lat, last.lng, latlng.lat, latlng.lng);
          } else {
              this._current = this._haversine(last.lat, last.lng, latlng.lat, latlng.lng);
          }
  	},
  
  	_haversine: function (lat1, lon1, lat2, lon2) {
  		var R, dLat, dLon, a, c;
  
  		R = 6371;
  		lat1 = lat1 * Math.PI / 180;
  		lat2 = lat2 * Math.PI / 180;
          lon1 = lon1 * Math.PI / 180;
  		lon2 = lon2 * Math.PI / 180;
  		dLat = lat2 - lat1;
  		dLon = lon2 - lon1;
  		a = Math.sin(dLat / 2) * Math.sin(dLat / 2) +
  			Math.sin(dLon / 2) * Math.sin(dLon / 2) * Math.cos(lat1) * Math.cos(lat2);
  		c = 2 * Math.atan2(Math.sqrt(a), Math.sqrt(1 - a));
  
  		return R * c;
  	}
  
  });
  
  L.Map.addInitHook('addHandler', 'measure', L.Map.Measure);
  
  
  /*
   * 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],
  		zoomOut: [189, 109]
  	},
  
  	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) {
  			this._map._container.focus();
  		}
  	},
  
  	_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 (this._panKeys.hasOwnProperty(key)) {
  			map.panBy(this._panKeys[key]);
  
  			if (map.options.maxBounds) {
  				map.panInsideBounds(map.options.maxBounds);
  			}
  
  		} else if (this._zoomKeys.hasOwnProperty(key)) {
  			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)
  			    .on('dragstart', this._onDragStart, this)
  			    .on('drag', this._onDrag, this)
  			    .on('dragend', this._onDragEnd, this);
  		}
  		this._draggable.enable();
  	},
  
  	removeHooks: function () {
  		this._draggable.disable();
  	},
  
  	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 () {
  		this._marker
  		    .fire('moveend')
  		    .fire('dragend');
  	}
  });
  
  
  /*
   * L.Handler.PolyEdit is an editing handler for polylines and polygons.
   */
  
  L.Handler.PolyEdit = L.Handler.extend({
  	options: {
  		icon: new L.DivIcon({
  			iconSize: new L.Point(8, 8),
  			className: 'leaflet-div-icon leaflet-editing-icon'
  		})
  	},
  
  	initialize: function (poly, options) {
  		this._poly = poly;
  		L.setOptions(this, options);
  	},
  
  	addHooks: function () {
  		if (this._poly._map) {
  			if (!this._markerGroup) {
  				this._initMarkers();
  			}
  			this._poly._map.addLayer(this._markerGroup);
  		}
  	},
  
  	removeHooks: function () {
  		if (this._poly._map) {
  			this._poly._map.removeLayer(this._markerGroup);
  			delete this._markerGroup;
  			delete this._markers;
  		}
  	},
  
  	updateMarkers: function () {
  		this._markerGroup.clearLayers();
  		this._initMarkers();
  	},
  
  	_initMarkers: function () {
  		if (!this._markerGroup) {
  			this._markerGroup = new L.LayerGroup();
  		}
  		this._markers = [];
  
  		var latlngs = this._poly._latlngs,
  		    i, j, len, marker;
  
  		// TODO refactor holes implementation in Polygon to support it here
  
  		for (i = 0, len = latlngs.length; i < len; i++) {
  
  			marker = this._createMarker(latlngs[i], i);
  			marker.on('click', this._onMarkerClick, this);
  			this._markers.push(marker);
  		}
  
  		var markerLeft, markerRight;
  
  		for (i = 0, j = len - 1; i < len; j = i++) {
  			if (i === 0 && !(L.Polygon && (this._poly instanceof L.Polygon))) {
  				continue;
  			}
  
  			markerLeft = this._markers[j];
  			markerRight = this._markers[i];
  
  			this._createMiddleMarker(markerLeft, markerRight);
  			this._updatePrevNext(markerLeft, markerRight);
  		}
  	},
  
  	_createMarker: function (latlng, index) {
  		var marker = new L.Marker(latlng, {
  			draggable: true,
  			icon: this.options.icon
  		});
  
  		marker._origLatLng = latlng;
  		marker._index = index;
  
  		marker.on('drag', this._onMarkerDrag, this);
  		marker.on('dragend', this._fireEdit, this);
  
  		this._markerGroup.addLayer(marker);
  
  		return marker;
  	},
  
  	_fireEdit: function () {
  		this._poly.fire('edit');
  	},
  
  	_onMarkerDrag: function (e) {
  		var marker = e.target;
  
  		L.extend(marker._origLatLng, marker._latlng);
  
  		if (marker._middleLeft) {
  			marker._middleLeft.setLatLng(this._getMiddleLatLng(marker._prev, marker));
  		}
  		if (marker._middleRight) {
  			marker._middleRight.setLatLng(this._getMiddleLatLng(marker, marker._next));
  		}
  
  		this._poly.redraw();
  	},
  
  	_onMarkerClick: function (e) {
  		// we want to remove the marker on click, but if latlng count < 3, polyline would be invalid
  		if (this._poly._latlngs.length < 3) { return; }
  
  		var marker = e.target,
  		    i = marker._index;
  
  		// remove the marker
  		this._markerGroup.removeLayer(marker);
  		this._markers.splice(i, 1);
  		this._poly.spliceLatLngs(i, 1);
  		this._updateIndexes(i, -1);
  
  		// update prev/next links of adjacent markers
  		this._updatePrevNext(marker._prev, marker._next);
  
  		// remove ghost markers near the removed marker
  		if (marker._middleLeft) {
  			this._markerGroup.removeLayer(marker._middleLeft);
  		}
  		if (marker._middleRight) {
  			this._markerGroup.removeLayer(marker._middleRight);
  		}
  
  		// create a ghost marker in place of the removed one
  		if (marker._prev && marker._next) {
  			this._createMiddleMarker(marker._prev, marker._next);
  
  		} else if (!marker._prev) {
  			marker._next._middleLeft = null;
  
  		} else if (!marker._next) {
  			marker._prev._middleRight = null;
  		}
  
  		this._poly.fire('edit');
  	},
  
  	_updateIndexes: function (index, delta) {
  		this._markerGroup.eachLayer(function (marker) {
  			if (marker._index > index) {
  				marker._index += delta;
  			}
  		});
  	},
  
  	_createMiddleMarker: function (marker1, marker2) {
  		var latlng = this._getMiddleLatLng(marker1, marker2),
  		    marker = this._createMarker(latlng),
  		    onClick,
  		    onDragStart,
  		    onDragEnd;
  
  		marker.setOpacity(0.6);
  
  		marker1._middleRight = marker2._middleLeft = marker;
  
  		onDragStart = function () {
  			var i = marker2._index;
  
  			marker._index = i;
  
  			marker
  			    .off('click', onClick)
  			    .on('click', this._onMarkerClick, this);
  
  			latlng.lat = marker.getLatLng().lat;
  			latlng.lng = marker.getLatLng().lng;
  			this._poly.spliceLatLngs(i, 0, latlng);
  			this._markers.splice(i, 0, marker);
  
  			marker.setOpacity(1);
  
  			this._updateIndexes(i, 1);
  			marker2._index++;
  			this._updatePrevNext(marker1, marker);
  			this._updatePrevNext(marker, marker2);
  		};
  
  		onDragEnd = function () {
  			marker.off('dragstart', onDragStart, this);
  			marker.off('dragend', onDragEnd, this);
  
  			this._createMiddleMarker(marker1, marker);
  			this._createMiddleMarker(marker, marker2);
  		};
  
  		onClick = function () {
  			onDragStart.call(this);
  			onDragEnd.call(this);
  			this._poly.fire('edit');
  		};
  
  		marker
  		    .on('click', onClick, this)
  		    .on('dragstart', onDragStart, this)
  		    .on('dragend', onDragEnd, this);
  
  		this._markerGroup.addLayer(marker);
  	},
  
  	_updatePrevNext: function (marker1, marker2) {
  		if (marker1) {
  			marker1._next = marker2;
  		}
  		if (marker2) {
  			marker2._prev = marker1;
  		}
  	},
  
  	_getMiddleLatLng: function (marker1, marker2) {
  		var map = this._poly._map,
  		    p1 = map.latLngToLayerPoint(marker1.getLatLng()),
  		    p2 = map.latLngToLayerPoint(marker2.getLatLng());
  
  		return map.layerPointToLatLng(p1._add(p2)._divideBy(2));
  	}
  });
  
  L.Polyline.addInitHook(function () {
  
  	if (L.Handler.PolyEdit) {
  		this.editing = new L.Handler.PolyEdit(this);
  
  		if (this.options.editable) {
  			this.editing.enable();
  		}
  	}
  
  	this.on('add', function () {
  		if (this.editing && this.editing.enabled()) {
  			this.editing.addHooks();
  		}
  	});
  
  	this.on('remove', function () {
  		if (this.editing && this.editing.enabled()) {
  			this.editing.removeHooks();
  		}
  	});
  });
  
  
  /*
   * 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;
  	},
  
  	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;
  	}
  });
  
  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');
  	}
  });
  
  
  /*
   * L.Control.Zoom is used for the default zoom buttons on the map.
   */
  
  L.Control.Zoom = L.Control.extend({
  	options: {
  		position: 'topleft'
  	},
  
  	onAdd: function (map) {
  		var className = 'leaflet-control-zoom',
  		    container = L.DomUtil.create('div', className);
  
  		this._map = map;
  
  		this._zoomInButton = this._createButton(
  		        '+', 'Zoom in',  className + '-in',  container, this._zoomIn,  this);
  		this._zoomOutButton = this._createButton(
  		        '-', 'Zoom out', className + '-out', container, this._zoomOut, this);
  
  		map.on('zoomend', this._updateDisabled, this);
  
  		return container;
  	},
  
  	onRemove: function (map) {
  		map.off('zoomend', 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);
  
  		return link;
  	},
  
  	_updateDisabled: function () {
  		var map = this._map,
  			className = 'leaflet-control-zoom-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: 'Powered by <a href="http://leafletjs.com">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);
  
  		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; }
  
  		this._attributions[text]--;
  		this._update();
  
  		return this;
  	},
  
  	_update: function () {
  		if (!this._map) { return; }
  
  		var attribs = [];
  
  		for (var i in this._attributions) {
  			if (this._attributions.hasOwnProperty(i) && 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(' &#8212; ');
  	},
  
  	_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) {
  			if (baseLayers.hasOwnProperty(i)) {
  				this._addLayer(baseLayers[i], i);
  			}
  		}
  
  		for (i in overlays) {
  			if (overlays.hasOwnProperty(i)) {
  				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)
  		    .off('layerremove', this._onLayerChange);
  	},
  
  	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);
  
  		if (!L.Browser.touch) {
  			L.DomEvent.disableClickPropagation(container);
  			L.DomEvent.on(container, 'mousewheel', L.DomEvent.stopPropagation);
  		} else {
  			L.DomEvent.on(container, 'click', L.DomEvent.stopPropagation);
  		}
  
  		var form = this._form = L.DomUtil.create('form', className + '-list');
  
  		if (this.options.collapsed) {
  			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.stopPropagation)
  				    .on(link, 'click', L.DomEvent.preventDefault)
  				    .on(link, 'click', this._expand, this);
  			}
  			else {
  				L.DomEvent.on(link, 'focus', this._expand, this);
  			}
  
  			this._map.on('movestart', 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;
  
  		for (var i in this._layers) {
  			if (this._layers.hasOwnProperty(i)) {
  				var 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 id = L.stamp(e.layer);
  
  		if (this._layers[id] && !this._handlingClick) {
  			this._update();
  		}
  	},
  
  	// 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,
  		    baseLayer;
  
  		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);
  				if (!obj.overlay) {
  					baseLayer = obj.layer;
  				}
  			} else if (!input.checked && this._map.hasLayer(obj.layer)) {
  				this._map.removeLayer(obj.layer);
  			}
  		}
  
  		if (baseLayer) {
  			this._map.setZoom(this._map.getZoom());
  			this._map.fire('baselayerchange', {layer: baseLayer});
  		}
  
  		this._handlingClick = false;
  	},
  
  	_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.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.fire, this, 'step'), 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
  	},
  
  	// 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\.]+)\)/,
  
  	_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);
  			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] = '';
  
  		clearInterval(this._stepTimer);
  
  		this.fire('step').fire('end');
  	}
  
  });
  
  
  /*
   * Extends L.Map to handle panning animations.
   */
  
  L.Map.include({
  
  	setView: function (center, zoom, forceReset) {
  		zoom = this._limitZoom(zoom);
  
  		var zoomChanged = (this._zoom !== zoom);
  
  		if (this._loaded && !forceReset && this._layers) {
  
  			if (this._panAnim) {
  				this._panAnim.stop();
  			}
  
  			var done = (zoomChanged ?
  			        this._zoomToIfClose && this._zoomToIfClose(center, zoom) :
  			        this._panByIfClose(center));
  
  			// exit if animated pan or zoom started
  			if (done) {
  				clearTimeout(this._sizeTimer);
  				return this;
  			}
  		}
  
  		// reset the map view
  		this._resetView(center, zoom);
  
  		return this;
  	},
  
  	panBy: function (offset, duration, easeLinearity) {
  		offset = L.point(offset);
  
  		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);
  		}
  
  		this.fire('movestart');
  
  		L.DomUtil.addClass(this._mapPane, 'leaflet-pan-anim');
  
  		var newPos = L.DomUtil.getPosition(this._mapPane).subtract(offset)._round();
  		this._panAnim.run(this._mapPane, newPos, duration || 0.25, easeLinearity);
  
  		return this;
  	},
  
  	_onPanTransitionStep: function () {
  		this.fire('move');
  	},
  
  	_onPanTransitionEnd: function () {
  		L.DomUtil.removeClass(this._mapPane, 'leaflet-pan-anim');
  		this.fire('moveend');
  	},
  
  	_panByIfClose: function (center) {
  		// difference between the new and current centers in pixels
  		var offset = this._getCenterOffset(center)._floor();
  
  		if (this._offsetIsWithinView(offset)) {
  			this.panBy(offset);
  			return true;
  		}
  		return false;
  	},
  
  	_offsetIsWithinView: function (offset, multiplyFactor) {
  		var m = multiplyFactor || 1,
  		    size = this.getSize();
  
  		return (Math.abs(offset.x) <= size.x * m) &&
  		       (Math.abs(offset.y) <= size.y * m);
  	}
  });
  
  
  /*
   * 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: L.DomUtil.TRANSITION && !L.Browser.android23 && !L.Browser.mobileOpera,
  	zoomAnimationThreshold: 4
  });
  
  if (L.DomUtil.TRANSITION) {
  	L.Map.addInitHook(function () {
  		L.DomEvent.on(this._mapPane, L.DomUtil.TRANSITION_END, this._catchTransitionEnd, this);
  	});
  }
  
  L.Map.include(!L.DomUtil.TRANSITION ? {} : {
  
  	_zoomToIfClose: function (center, zoom) {
  
  		if (this._animatingZoom) { return true; }
  
  		if (!this.options.zoomAnimation) { return false; }
  
  		// don't animate if zoom difference is too large
  		if (Math.abs(zoom - this._zoom) > this.options.zoomAnimationThreshold) { return false; }
  
  		var scale = this.getZoomScale(zoom),
  		    offset = this._getCenterOffset(center)._divideBy(1 - 1 / scale);
  
  		// if offset does not exceed half of the view
  		if (!this._offsetIsWithinView(offset, 1)) { return false; }
  
  		L.DomUtil.addClass(this._mapPane, 'leaflet-zoom-anim');
  
  		this
  		    .fire('movestart')
  		    .fire('zoomstart');
  
  		this.fire('zoomanim', {
  			center: center,
  			zoom: zoom
  		});
  
  		var origin = this._getCenterLayerPoint().add(offset);
  
  		this._prepareTileBg();
  		this._runAnimation(center, zoom, scale, origin);
  
  		return true;
  	},
  
  	_catchTransitionEnd: function () {
  		if (this._animatingZoom) {
  			this._onZoomTransitionEnd();
  		}
  	},
  
  	_runAnimation: function (center, zoom, scale, origin, backwardsTransform) {
  		this._animateToCenter = center;
  		this._animateToZoom = zoom;
  		this._animatingZoom = true;
  
  		if (L.Draggable) {
  			L.Draggable._disabled = true;
  		}
  
  		var transform = L.DomUtil.TRANSFORM,
  		    tileBg = this._tileBg;
  
  		clearTimeout(this._clearTileBgTimer);
  
  		L.Util.falseFn(tileBg.offsetWidth); //hack to make sure transform is updated before running animation
  
  		var scaleStr = L.DomUtil.getScaleString(scale, origin),
  		    oldTransform = tileBg.style[transform];
  
  		tileBg.style[transform] = backwardsTransform ?
  		        oldTransform + ' ' + scaleStr :
  		        scaleStr + ' ' + oldTransform;
  	},
  
  	_prepareTileBg: function () {
  		var tilePane = this._tilePane,
  		    tileBg = this._tileBg;
  
  		// If foreground layer doesn't have many tiles but bg layer does, keep the existing bg layer and just zoom it some more
  		if (tileBg && this._getLoadedTilesPercentage(tileBg) > 0.5 &&
  			          this._getLoadedTilesPercentage(tilePane) < 0.5) {
  
  			tilePane.style.visibility = 'hidden';
  			tilePane.empty = true;
  			this._stopLoadingImages(tilePane);
  			return;
  		}
  
  		if (!tileBg) {
  			tileBg = this._tileBg = this._createPane('leaflet-tile-pane', this._mapPane);
  			tileBg.style.zIndex = 1;
  		}
  
  		// prepare the background pane to become the main tile pane
  		tileBg.style[L.DomUtil.TRANSFORM] = '';
  		tileBg.style.visibility = 'hidden';
  
  		// tells tile layers to reinitialize their containers
  		tileBg.empty = true; //new FG
  		tilePane.empty = false; //new BG
  
  		//Switch out the current layer to be the new bg layer (And vice-versa)
  		this._tilePane = this._panes.tilePane = tileBg;
  		var newTileBg = this._tileBg = tilePane;
  
  		L.DomUtil.addClass(newTileBg, 'leaflet-zoom-animated');
  
  		this._stopLoadingImages(newTileBg);
  	},
  
  	_getLoadedTilesPercentage: function (container) {
  		var tiles = Array.prototype.slice.call(container.getElementsByTagName('canvas')).concat(
  			    Array.prototype.slice.call(container.getElementsByTagName('img'))),
  		    i, len, count = 0;
  
  		for (i = 0, len = tiles.length; i < len; i++) {
  			if (tiles[i].complete) {
  				count++;
  			}
  		}
  		if (len === 0) return 0;
  		return count / len;
  	},
  
  	// stops loading all tiles in the background layer
  	_stopLoadingImages: function (container) {
  		var tiles = Array.prototype.slice.call(container.getElementsByTagName('canvas')).concat(
                              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);
  			}
  		}
  	},
  
  	_onZoomTransitionEnd: function () {
  		this._restoreTileFront();
  
  		L.DomUtil.removeClass(this._mapPane, 'leaflet-zoom-anim');
  		L.Util.falseFn(this._tileBg.offsetWidth); // force reflow
  		this._animatingZoom = false;
  		this._resetView(this._animateToCenter, this._animateToZoom, true, true);
  
  		if (L.Draggable) {
  			L.Draggable._disabled = false;
  		}
  	},
  
  	_restoreTileFront: function () {
  		this._tilePane.innerHTML = '';
  		this._tilePane.style.visibility = '';
  		this._tilePane.style.zIndex = 2;
  		this._tileBg.style.zIndex = 1;
  	},
  
  	_clearTileBg: function () {
  		if (!this._animatingZoom && !this.touchZoom._zooming) {
  			this._tileBg.innerHTML = '';
  			this._tileBg.style[L.DomUtil.TRANSFORM] = '';
  			this.fire('cleartilebg');
  		}
  	}
  });
  
  
  /*
   * 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._locationOptions = 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);
  		}
  		return this;
  	},
  
  	_handleGeolocationError: function (error) {
  		var c = error.code,
  		    message = error.message ||
  		            (c === 1 ? "permission denied" :
  		            (c === 2 ? "position unavailable" : "timeout"));
  
  		if (this._locationOptions.setView && !this._loaded) {
  			this.fitWorld();
  		}
  
  		this.fire('locationerror', {
  			code: c,
  			message: "Geolocation error: " + message + "."
  		});
  	},
  
  	_handleGeolocationResponse: function (pos) {
  		var latAccuracy = 180 * pos.coords.accuracy / 4e7,
  		    lngAccuracy = latAccuracy * 2,
  
  		    lat = pos.coords.latitude,
  		    lng = pos.coords.longitude,
  		    latlng = new L.LatLng(lat, lng),
  
  		    sw = new L.LatLng(lat - latAccuracy, lng - lngAccuracy),
  		    ne = new L.LatLng(lat + latAccuracy, lng + lngAccuracy),
  		    bounds = new L.LatLngBounds(sw, ne),
  
  		    options = this._locationOptions;
  
  		if (options.setView) {
  			var zoom = Math.min(this.getBoundsZoom(bounds), options.maxZoom);
  			this.setView(latlng, zoom);
  		}
  
  		this.fire('locationfound', {
  			latlng: latlng,
  			bounds: bounds,
  			accuracy: pos.coords.accuracy
  		});
  	}
  });
  
  
  }(this, document));