(function(root, factory) {
    if (typeof exports === 'object') {
        module.exports = factory();
    } else if (typeof define === 'function' && define.amd) {
        define('GMaps', [], factory);
    }

    root.GMaps = factory();

}(
    this, function() {

        /*!
         * GMaps.js v0.4.15
         * http://hpneo.github.com/gmaps/
         *
         * Copyright 2014, Gustavo Leon
         * Released under the MIT License.
         */

        if (!(typeof window.google === 'object' && window.google.maps)) {
            throw 'Google Maps API is required. Please register the following JavaScript library http://maps.google.com/maps/api/js?sensor=true.'
        }

        var extend_object = function(obj, new_obj) {
            var name;

            if (obj === new_obj) {
                return obj;
            }

            for (name in new_obj) {
                obj[ name ] = new_obj[ name ];
            }

            return obj;
        };

        var replace_object = function(obj, replace) {
            var name;

            if (obj === replace) {
                return obj;
            }

            for (name in replace) {
                if (obj[ name ] != undefined) {
                    obj[ name ] = replace[ name ];
                }
            }

            return obj;
        };

        var array_map = function(array, callback) {
            var original_callback_params = Array.prototype.slice.call(arguments, 2), array_return = [], array_length = array.length, i;

            if (Array.prototype.map && array.map === Array.prototype.map) {
                array_return = Array.prototype.map.call(
                    array, function(item) {
                        callback_params = original_callback_params;
                        callback_params.splice(0, 0, item);

                        return callback.apply(this, callback_params);
                    }
                );
            } else {
                for (i = 0; i < array_length; i++) {
                    callback_params = original_callback_params;
                    callback_params.splice(0, 0, array[ i ]);
                    array_return.push(callback.apply(this, callback_params));
                }
            }

            return array_return;
        };

        var array_flat = function(array) {
            var new_array = [], i;

            for (i = 0; i < array.length; i++) {
                new_array = new_array.concat(array[ i ]);
            }

            return new_array;
        };

        var coordsToLatLngs = function(coords, useGeoJSON) {
            var first_coord = coords[ 0 ], second_coord = coords[ 1 ];

            if (useGeoJSON) {
                first_coord = coords[ 1 ];
                second_coord = coords[ 0 ];
            }

            return new google.maps.LatLng(first_coord, second_coord);
        };

        var arrayToLatLng = function(coords, useGeoJSON) {
            var i;

            for (i = 0; i < coords.length; i++) {
                if (!(coords[ i ] instanceof google.maps.LatLng)) {
                    if (coords[ i ].length > 0 && typeof(coords[ i ][ 0 ]) == "object") {
                        coords[ i ] = arrayToLatLng(coords[ i ], useGeoJSON);
                    } else {
                        coords[ i ] = coordsToLatLngs(coords[ i ], useGeoJSON);
                    }
                }
            }

            return coords;
        };

        var getElementById = function(id, context) {
            var element, id = id.replace('#', '');

            if ('jQuery' in this && context) {
                element = $("#" + id, context)[ 0 ];
            } else {
                element = document.getElementById(id);
            }
            ;

            return element;
        };

        var findAbsolutePosition = function(obj) {
            var curleft = 0, curtop = 0;

            if (obj.offsetParent) {
                do {
                    curleft += obj.offsetLeft;
                    curtop += obj.offsetTop;
                } while (obj = obj.offsetParent);
            }

            return [
                curleft,
                curtop
            ];
        };

        var GMaps = (function(global) {
            "use strict";

            var doc = document;

            var GMaps = function(options) {
                if (!this) {
                    return new GMaps(options);
                }

                options.zoom = options.zoom || 15;
                options.mapType = options.mapType || 'roadmap';

                var self = this, i, events_that_hide_context_menu = [
                    'bounds_changed',
                    'center_changed',
                    'click',
                    'dblclick',
                    'drag',
                    'dragend',
                    'dragstart',
                    'idle',
                    'maptypeid_changed',
                    'projection_changed',
                    'resize',
                    'tilesloaded',
                    'zoom_changed'
                ], events_that_doesnt_hide_context_menu = [
                    'mousemove',
                    'mouseout',
                    'mouseover'
                ], options_to_be_deleted = [
                    'el',
                    'lat',
                    'lng',
                    'mapType',
                    'width',
                    'height',
                    'markerClusterer',
                    'enableNewStyle'
                ], container_id = options.el || options.div, markerClustererFunction = options.markerClusterer, mapType = google.maps.MapTypeId[ options.mapType.toUpperCase() ], map_center = new google.maps.LatLng(options.lat, options.lng), zoomControl = options.zoomControl || true, zoomControlOpt = options.zoomControlOpt || {
                        style: 'DEFAULT',
                        position: 'TOP_LEFT'
                    }, zoomControlStyle = zoomControlOpt.style || 'DEFAULT', zoomControlPosition = zoomControlOpt.position || 'TOP_LEFT', panControl = options.panControl || true, mapTypeControl = options.mapTypeControl || true, scaleControl = options.scaleControl || true, streetViewControl = options.streetViewControl || true, overviewMapControl = overviewMapControl || true, map_options = {}, map_base_options = {
                    zoom: this.zoom,
                    center: map_center,
                    mapTypeId: mapType
                }, map_controls_options = {
                    panControl: panControl,
                    zoomControl: zoomControl,
                    zoomControlOptions: {
                        style: google.maps.ZoomControlStyle[ zoomControlStyle ],
                        position: google.maps.ControlPosition[ zoomControlPosition ]
                    },
                    mapTypeControl: mapTypeControl,
                    scaleControl: scaleControl,
                    streetViewControl: streetViewControl,
                    overviewMapControl: overviewMapControl
                };

                if (typeof(options.el) === 'string' || typeof(options.div) === 'string') {
                    this.el = getElementById(container_id, options.context);
                } else {
                    this.el = container_id;
                }

                if (typeof(this.el) === 'undefined' || this.el === null) {
                    throw 'No element defined.';
                }

                window.context_menu = window.context_menu || {};
                window.context_menu[ self.el.id ] = {};

                this.controls = [];
                this.overlays = [];
                this.layers = []; // array with kml/georss and fusiontables layers, can be as many
                this.singleLayers = {}; // object with the other layers, only one per layer
                this.markers = [];
                this.polylines = [];
                this.routes = [];
                this.polygons = [];
                this.infoWindow = null;
                this.overlay_el = null;
                this.zoom = options.zoom;
                this.registered_events = {};

                this.el.style.width = options.width || this.el.scrollWidth || this.el.offsetWidth;
                this.el.style.height = options.height || this.el.scrollHeight || this.el.offsetHeight;

                google.maps.visualRefresh = options.enableNewStyle;

                for (i = 0; i < options_to_be_deleted.length; i++) {
                    delete options[ options_to_be_deleted[ i ] ];
                }

                if (options.disableDefaultUI != true) {
                    map_base_options = extend_object(map_base_options, map_controls_options);
                }

                map_options = extend_object(map_base_options, options);

                for (i = 0; i < events_that_hide_context_menu.length; i++) {
                    delete map_options[ events_that_hide_context_menu[ i ] ];
                }

                for (i = 0; i < events_that_doesnt_hide_context_menu.length; i++) {
                    delete map_options[ events_that_doesnt_hide_context_menu[ i ] ];
                }

                this.map = new google.maps.Map(this.el, map_options);

                if (markerClustererFunction) {
                    this.markerClusterer = markerClustererFunction.apply(this, [ this.map ]);
                }

                var buildContextMenuHTML = function(control, e) {
                    var html = '', options = window.context_menu[ self.el.id ][ control ];

                    for (var i in options) {
                        if (options.hasOwnProperty(i)) {
                            var option = options[ i ];

                            html += '<li><a id="' + control + '_' + i + '" href="#">' + option.title + '</a></li>';
                        }
                    }

                    if (!getElementById('gmaps_context_menu')) {
                        return;
                    }

                    var context_menu_element = getElementById('gmaps_context_menu');

                    context_menu_element.innerHTML = html;

                    var context_menu_items = context_menu_element.getElementsByTagName('a'), context_menu_items_count = context_menu_items.length, i;

                    for (i = 0; i < context_menu_items_count; i++) {
                        var context_menu_item = context_menu_items[ i ];

                        var assign_menu_item_action = function(ev) {
                            ev.preventDefault();

                            options[ this.id.replace(control + '_', '') ].action.apply(self, [ e ]);
                            self.hideContextMenu();
                        };

                        google.maps.event.clearListeners(context_menu_item, 'click');
                        google.maps.event.addDomListenerOnce(context_menu_item, 'click', assign_menu_item_action, false);
                    }

                    var position = findAbsolutePosition.apply(this, [ self.el ]), left = position[ 0 ] + e.pixel.x - 15, top = position[ 1 ] + e.pixel.y - 15;

                    context_menu_element.style.left = left + "px";
                    context_menu_element.style.top = top + "px";

                    context_menu_element.style.display = 'block';
                };

                this.buildContextMenu = function(control, e) {
                    if (control === 'marker') {
                        e.pixel = {};

                        var overlay = new google.maps.OverlayView();
                        overlay.setMap(self.map);

                        overlay.draw = function() {
                            var projection = overlay.getProjection(), position = e.marker.getPosition();

                            e.pixel = projection.fromLatLngToContainerPixel(position);

                            buildContextMenuHTML(control, e);
                        };
                    } else {
                        buildContextMenuHTML(control, e);
                    }
                };

                this.setContextMenu = function(options) {
                    window.context_menu[ self.el.id ][ options.control ] = {};

                    var i, ul = doc.createElement('ul');

                    for (i in options.options) {
                        if (options.options.hasOwnProperty(i)) {
                            var option = options.options[ i ];

                            window.context_menu[ self.el.id ][ options.control ][ option.name ] = {
                                title: option.title,
                                action: option.action
                            };
                        }
                    }

                    ul.id = 'gmaps_context_menu';
                    ul.style.display = 'none';
                    ul.style.position = 'absolute';
                    ul.style.minWidth = '100px';
                    ul.style.background = 'white';
                    ul.style.listStyle = 'none';
                    ul.style.padding = '8px';
                    ul.style.boxShadow = '2px 2px 6px #ccc';

                    doc.body.appendChild(ul);

                    var context_menu_element = getElementById('gmaps_context_menu')

                    google.maps.event.addDomListener(
                        context_menu_element, 'mouseout', function(ev) {
                            if (!ev.relatedTarget || !this.contains(ev.relatedTarget)) {
                                window.setTimeout(
                                    function() {
                                        context_menu_element.style.display = 'none';
                                    }, 400
                                );
                            }
                        }, false
                    );
                };

                this.hideContextMenu = function() {
                    var context_menu_element = getElementById('gmaps_context_menu');

                    if (context_menu_element) {
                        context_menu_element.style.display = 'none';
                    }
                };

                var setupListener = function(object, name) {
                    google.maps.event.addListener(
                        object, name, function(e) {
                            if (e == undefined) {
                                e = this;
                            }

                            options[ name ].apply(this, [ e ]);

                            self.hideContextMenu();
                        }
                    );
                };

                //google.maps.event.addListener(this.map, 'idle', this.hideContextMenu);
                google.maps.event.addListener(this.map, 'zoom_changed', this.hideContextMenu);

                for (var ev = 0; ev < events_that_hide_context_menu.length; ev++) {
                    var name = events_that_hide_context_menu[ ev ];

                    if (name in options) {
                        setupListener(this.map, name);
                    }
                }

                for (var ev = 0; ev < events_that_doesnt_hide_context_menu.length; ev++) {
                    var name = events_that_doesnt_hide_context_menu[ ev ];

                    if (name in options) {
                        setupListener(this.map, name);
                    }
                }

                google.maps.event.addListener(
                    this.map, 'rightclick', function(e) {
                        if (options.rightclick) {
                            options.rightclick.apply(this, [ e ]);
                        }

                        if (window.context_menu[ self.el.id ][ 'map' ] != undefined) {
                            self.buildContextMenu('map', e);
                        }
                    }
                );

                this.refresh = function() {
                    google.maps.event.trigger(this.map, 'resize');
                };

                this.fitZoom = function() {
                    var latLngs = [], markers_length = this.markers.length, i;

                    for (i = 0; i < markers_length; i++) {
                        if (typeof(this.markers[ i ].visible) === 'boolean' && this.markers[ i ].visible) {
                            latLngs.push(this.markers[ i ].getPosition());
                        }
                    }

                    this.fitLatLngBounds(latLngs);
                };

                this.fitLatLngBounds = function(latLngs) {
                    var total = latLngs.length;
                    var bounds = new google.maps.LatLngBounds();

                    for (var i = 0; i < total; i++) {
                        bounds.extend(latLngs[ i ]);
                    }

                    this.map.fitBounds(bounds);
                };

                this.setCenter = function(lat, lng, callback) {
                    this.map.panTo(new google.maps.LatLng(lat, lng));

                    if (callback) {
                        callback();
                    }
                };

                this.getElement = function() {
                    return this.el;
                };

                this.zoomIn = function(value) {
                    value = value || 1;

                    this.zoom = this.map.getZoom() + value;
                    this.map.setZoom(this.zoom);
                };

                this.zoomOut = function(value) {
                    value = value || 1;

                    this.zoom = this.map.getZoom() - value;
                    this.map.setZoom(this.zoom);
                };

                var native_methods = [], method;

                for (method in this.map) {
                    if (typeof(this.map[ method ]) == 'function' && !this[ method ]) {
                        native_methods.push(method);
                    }
                }

                for (i = 0; i < native_methods.length; i++) {
                    (function(gmaps, scope, method_name) {
                        gmaps[ method_name ] = function() {
                            return scope[ method_name ].apply(scope, arguments);
                        };
                    })(this, this.map, native_methods[ i ]);
                }
            };

            return GMaps;
        })(this);

        GMaps.prototype.createControl = function(options) {
            var control = document.createElement('div');

            control.style.cursor = 'pointer';

            if (options.disableDefaultStyles !== true) {
                control.style.fontFamily = 'Roboto, Arial, sans-serif';
                control.style.fontSize = '11px';
                control.style.boxShadow = 'rgba(0, 0, 0, 0.298039) 0px 1px 4px -1px';
            }

            for (var option in options.style) {
                control.style[ option ] = options.style[ option ];
            }

            if (options.id) {
                control.id = options.id;
            }

            if (options.classes) {
                control.className = options.classes;
            }

            if (options.content) {
                if (typeof options.content === 'string') {
                    control.innerHTML = options.content;
                } else if (options.content instanceof HTMLElement) {
                    control.appendChild(options.content);
                }
            }

            if (options.position) {
                control.position = google.maps.ControlPosition[ options.position.toUpperCase() ];
            }

            for (var ev in options.events) {
                (function(object, name) {
                    google.maps.event.addDomListener(
                        object, name, function() {
                            options.events[ name ].apply(this, [ this ]);
                        }
                    );
                })(control, ev);
            }

            control.index = 1;

            return control;
        };

        GMaps.prototype.addControl = function(options) {
            var control = this.createControl(options);
            this.controls.push(control);
            this.map.controls[ control.position ].push(control);

            return control;
        };

        GMaps.prototype.removeControl = function(control) {
            var position = null;

            for (var i = 0; i < this.controls.length; i++) {
                if (this.controls[ i ] == control) {
                    position = this.controls[ i ].position;
                    this.controls.splice(i, 1);
                }
            }

            if (position) {
                for (i = 0; i < this.map.controls.length; i++) {
                    var controlsForPosition = this.map.controls[ control.position ]
                    if (controlsForPosition.getAt(i) == control) {
                        controlsForPosition.removeAt(i);
                        break;
                    }
                }
            }

            return control;
        };

        GMaps.prototype.createMarker = function(options) {
            if (options.lat == undefined && options.lng == undefined && options.position == undefined) {
                throw 'No latitude or longitude defined.';
            }

            var self = this, details = options.details, fences = options.fences, outside = options.outside, base_options = {
                position: new google.maps.LatLng(options.lat, options.lng),
                map: null
            }, marker_options = extend_object(base_options, options);

            delete marker_options.lat;
            delete marker_options.lng;
            delete marker_options.fences;
            delete marker_options.outside;

            var marker = new google.maps.Marker(marker_options);

            marker.fences = fences;

            if (options.infoWindow) {
                marker.infoWindow = new google.maps.InfoWindow(options.infoWindow);

                var info_window_events = [
                    'closeclick',
                    'content_changed',
                    'domready',
                    'position_changed',
                    'zindex_changed'
                ];

                for (var ev = 0; ev < info_window_events.length; ev++) {
                    (function(object, name) {
                        if (options.infoWindow[ name ]) {
                            google.maps.event.addListener(
                                object, name, function(e) {
                                    options.infoWindow[ name ].apply(this, [ e ]);
                                }
                            );
                        }
                    })(marker.infoWindow, info_window_events[ ev ]);
                }
            }

            var marker_events = [
                'animation_changed',
                'clickable_changed',
                'cursor_changed',
                'draggable_changed',
                'flat_changed',
                'icon_changed',
                'position_changed',
                'shadow_changed',
                'shape_changed',
                'title_changed',
                'visible_changed',
                'zindex_changed'
            ];

            var marker_events_with_mouse = [
                'dblclick',
                'drag',
                'dragend',
                'dragstart',
                'mousedown',
                'mouseout',
                'mouseover',
                'mouseup'
            ];

            for (var ev = 0; ev < marker_events.length; ev++) {
                (function(object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function() {
                                options[ name ].apply(this, [ this ]);
                            }
                        );
                    }
                })(marker, marker_events[ ev ]);
            }

            for (var ev = 0; ev < marker_events_with_mouse.length; ev++) {
                (function(map, object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function(me) {
                                if (!me.pixel) {
                                    me.pixel = map.getProjection()
                                                  .fromLatLngToPoint(me.latLng)
                                }

                                options[ name ].apply(this, [ me ]);
                            }
                        );
                    }
                })(this.map, marker, marker_events_with_mouse[ ev ]);
            }

            google.maps.event.addListener(
                marker, 'click', function() {
                    this.details = details;

                    if (options.click) {
                        options.click.apply(this, [ this ]);
                    }

                    if (marker.infoWindow) {
                        self.hideInfoWindows();
                        marker.infoWindow.open(self.map, marker);
                    }
                }
            );

            google.maps.event.addListener(
                marker, 'rightclick', function(e) {
                    e.marker = this;

                    if (options.rightclick) {
                        options.rightclick.apply(this, [ e ]);
                    }

                    if (window.context_menu[ self.el.id ][ 'marker' ] != undefined) {
                        self.buildContextMenu('marker', e);
                    }
                }
            );

            if (marker.fences) {
                google.maps.event.addListener(
                    marker, 'dragend', function() {
                        self.checkMarkerGeofence(
                            marker, function(m, f) {
                                outside(m, f);
                            }
                        );
                    }
                );
            }

            return marker;
        };

        GMaps.prototype.addMarker = function(options) {
            var marker;
            if (options.hasOwnProperty('gm_accessors_')) {
                // Native google.maps.Marker object
                marker = options;
            } else {
                if ((options.hasOwnProperty('lat') && options.hasOwnProperty('lng')) || options.position) {
                    marker = this.createMarker(options);
                } else {
                    throw 'No latitude or longitude defined.';
                }
            }

            marker.setMap(this.map);

            if (this.markerClusterer) {
                this.markerClusterer.addMarker(marker);
            }

            this.markers.push(marker);

            GMaps.fire('marker_added', marker, this);

            return marker;
        };

        GMaps.prototype.addMarkers = function(array) {
            for (var i = 0, marker; marker = array[ i ]; i++) {
                this.addMarker(marker);
            }

            return this.markers;
        };

        GMaps.prototype.hideInfoWindows = function() {
            for (var i = 0, marker; marker = this.markers[ i ]; i++) {
                if (marker.infoWindow) {
                    marker.infoWindow.close();
                }
            }
        };

        GMaps.prototype.removeMarker = function(marker) {
            for (var i = 0; i < this.markers.length; i++) {
                if (this.markers[ i ] === marker) {
                    this.markers[ i ].setMap(null);
                    this.markers.splice(i, 1);

                    if (this.markerClusterer) {
                        this.markerClusterer.removeMarker(marker);
                    }

                    GMaps.fire('marker_removed', marker, this);

                    break;
                }
            }

            return marker;
        };

        GMaps.prototype.removeMarkers = function(collection) {
            var new_markers = [];

            if (typeof collection == 'undefined') {
                for (var i = 0; i < this.markers.length; i++) {
                    this.markers[ i ].setMap(null);
                }

                this.markers = new_markers;
            } else {
                for (var i = 0; i < collection.length; i++) {
                    if (this.markers.indexOf(collection[ i ]) > -1) {
                        this.markers[ i ].setMap(null);
                    }
                }

                for (var i = 0; i < this.markers.length; i++) {
                    if (this.markers[ i ].getMap() != null) {
                        new_markers.push(this.markers[ i ]);
                    }
                }

                this.markers = new_markers;
            }
        };

        GMaps.prototype.drawOverlay = function(options) {
            var overlay = new google.maps.OverlayView(), auto_show = true;

            overlay.setMap(this.map);

            if (options.auto_show != null) {
                auto_show = options.auto_show;
            }

            overlay.onAdd = function() {
                var el = document.createElement('div');

                el.style.borderStyle = "none";
                el.style.borderWidth = "0px";
                el.style.position = "absolute";
                el.style.zIndex = 100;
                el.innerHTML = options.content;

                overlay.el = el;

                if (!options.layer) {
                    options.layer = 'overlayLayer';
                }

                var panes = this.getPanes(), overlayLayer = panes[ options.layer ], stop_overlay_events = [
                    'contextmenu',
                    'DOMMouseScroll',
                    'dblclick',
                    'mousedown'
                ];

                overlayLayer.appendChild(el);

                for (var ev = 0; ev < stop_overlay_events.length; ev++) {
                    (function(object, name) {
                        google.maps.event.addDomListener(
                            object, name, function(e) {
                                if (navigator.userAgent.toLowerCase()
                                             .indexOf('msie') != -1 && document.all) {
                                    e.cancelBubble = true;
                                    e.returnValue = false;
                                } else {
                                    e.stopPropagation();
                                }
                            }
                        );
                    })(el, stop_overlay_events[ ev ]);
                }

                if (options.click) {
                    panes.overlayMouseTarget.appendChild(overlay.el);
                    google.maps.event.addDomListener(
                        overlay.el, 'click', function() {
                            options.click.apply(overlay, [ overlay ]);
                        }
                    );
                }

                google.maps.event.trigger(this, 'ready');
            };

            overlay.draw = function() {
                var projection = this.getProjection(), pixel = projection.fromLatLngToDivPixel(new google.maps.LatLng(options.lat, options.lng));

                options.horizontalOffset = options.horizontalOffset || 0;
                options.verticalOffset = options.verticalOffset || 0;

                var el = overlay.el, content = el.children[ 0 ], content_height = content.clientHeight, content_width = content.clientWidth;

                switch (options.verticalAlign) {
                    case 'top':
                        el.style.top = (pixel.y - content_height + options.verticalOffset) + 'px';
                        break;
                    default:
                    case 'middle':
                        el.style.top = (pixel.y - (content_height / 2) + options.verticalOffset) + 'px';
                        break;
                    case 'bottom':
                        el.style.top = (pixel.y + options.verticalOffset) + 'px';
                        break;
                }

                switch (options.horizontalAlign) {
                    case 'left':
                        el.style.left = (pixel.x - content_width + options.horizontalOffset) + 'px';
                        break;
                    default:
                    case 'center':
                        el.style.left = (pixel.x - (content_width / 2) + options.horizontalOffset) + 'px';
                        break;
                    case 'right':
                        el.style.left = (pixel.x + options.horizontalOffset) + 'px';
                        break;
                }

                el.style.display = auto_show ? 'block' : 'none';

                if (!auto_show) {
                    options.show.apply(this, [ el ]);
                }
            };

            overlay.onRemove = function() {
                var el = overlay.el;

                if (options.remove) {
                    options.remove.apply(this, [ el ]);
                } else {
                    overlay.el.parentNode.removeChild(overlay.el);
                    overlay.el = null;
                }
            };

            this.overlays.push(overlay);
            return overlay;
        };

        GMaps.prototype.removeOverlay = function(overlay) {
            for (var i = 0; i < this.overlays.length; i++) {
                if (this.overlays[ i ] === overlay) {
                    this.overlays[ i ].setMap(null);
                    this.overlays.splice(i, 1);

                    break;
                }
            }
        };

        GMaps.prototype.removeOverlays = function() {
            for (var i = 0, item; item = this.overlays[ i ]; i++) {
                item.setMap(null);
            }

            this.overlays = [];
        };

        GMaps.prototype.drawPolyline = function(options) {
            var path = [], points = options.path;

            if (points.length) {
                if (points[ 0 ][ 0 ] === undefined) {
                    path = points;
                } else {
                    for (var i = 0, latlng; latlng = points[ i ]; i++) {
                        path.push(new google.maps.LatLng(latlng[ 0 ], latlng[ 1 ]));
                    }
                }
            }

            var polyline_options = {
                map: this.map,
                path: path,
                strokeColor: options.strokeColor,
                strokeOpacity: options.strokeOpacity,
                strokeWeight: options.strokeWeight,
                geodesic: options.geodesic,
                clickable: true,
                editable: false,
                visible: true
            };

            if (options.hasOwnProperty("clickable")) {
                polyline_options.clickable = options.clickable;
            }

            if (options.hasOwnProperty("editable")) {
                polyline_options.editable = options.editable;
            }

            if (options.hasOwnProperty("icons")) {
                polyline_options.icons = options.icons;
            }

            if (options.hasOwnProperty("zIndex")) {
                polyline_options.zIndex = options.zIndex;
            }

            var polyline = new google.maps.Polyline(polyline_options);

            var polyline_events = [
                'click',
                'dblclick',
                'mousedown',
                'mousemove',
                'mouseout',
                'mouseover',
                'mouseup',
                'rightclick'
            ];

            for (var ev = 0; ev < polyline_events.length; ev++) {
                (function(object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function(e) {
                                options[ name ].apply(this, [ e ]);
                            }
                        );
                    }
                })(polyline, polyline_events[ ev ]);
            }

            this.polylines.push(polyline);

            GMaps.fire('polyline_added', polyline, this);

            return polyline;
        };

        GMaps.prototype.removePolyline = function(polyline) {
            for (var i = 0; i < this.polylines.length; i++) {
                if (this.polylines[ i ] === polyline) {
                    this.polylines[ i ].setMap(null);
                    this.polylines.splice(i, 1);

                    GMaps.fire('polyline_removed', polyline, this);

                    break;
                }
            }
        };

        GMaps.prototype.removePolylines = function() {
            for (var i = 0, item; item = this.polylines[ i ]; i++) {
                item.setMap(null);
            }

            this.polylines = [];
        };

        GMaps.prototype.drawCircle = function(options) {
            options = extend_object(
                {
                    map: this.map,
                    center: new google.maps.LatLng(options.lat, options.lng)
                }, options
            );

            delete options.lat;
            delete options.lng;

            var polygon = new google.maps.Circle(options), polygon_events = [
                'click',
                'dblclick',
                'mousedown',
                'mousemove',
                'mouseout',
                'mouseover',
                'mouseup',
                'rightclick'
            ];

            for (var ev = 0; ev < polygon_events.length; ev++) {
                (function(object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function(e) {
                                options[ name ].apply(this, [ e ]);
                            }
                        );
                    }
                })(polygon, polygon_events[ ev ]);
            }

            this.polygons.push(polygon);

            return polygon;
        };

        GMaps.prototype.drawRectangle = function(options) {
            options = extend_object(
                {
                    map: this.map
                }, options
            );

            var latLngBounds = new google.maps.LatLngBounds(
                new google.maps.LatLng(options.bounds[ 0 ][ 0 ], options.bounds[ 0 ][ 1 ]), new google.maps.LatLng(options.bounds[ 1 ][ 0 ], options.bounds[ 1 ][ 1 ])
            );

            options.bounds = latLngBounds;

            var polygon = new google.maps.Rectangle(options), polygon_events = [
                'click',
                'dblclick',
                'mousedown',
                'mousemove',
                'mouseout',
                'mouseover',
                'mouseup',
                'rightclick'
            ];

            for (var ev = 0; ev < polygon_events.length; ev++) {
                (function(object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function(e) {
                                options[ name ].apply(this, [ e ]);
                            }
                        );
                    }
                })(polygon, polygon_events[ ev ]);
            }

            this.polygons.push(polygon);

            return polygon;
        };

        GMaps.prototype.drawPolygon = function(options) {
            var useGeoJSON = false;

            if (options.hasOwnProperty("useGeoJSON")) {
                useGeoJSON = options.useGeoJSON;
            }

            delete options.useGeoJSON;

            options = extend_object(
                {
                    map: this.map
                }, options
            );

            if (useGeoJSON == false) {
                options.paths = [ options.paths.slice(0) ];
            }

            if (options.paths.length > 0) {
                if (options.paths[ 0 ].length > 0) {
                    options.paths = array_flat(array_map(options.paths, arrayToLatLng, useGeoJSON));
                }
            }

            var polygon = new google.maps.Polygon(options), polygon_events = [
                'click',
                'dblclick',
                'mousedown',
                'mousemove',
                'mouseout',
                'mouseover',
                'mouseup',
                'rightclick'
            ];

            for (var ev = 0; ev < polygon_events.length; ev++) {
                (function(object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function(e) {
                                options[ name ].apply(this, [ e ]);
                            }
                        );
                    }
                })(polygon, polygon_events[ ev ]);
            }

            this.polygons.push(polygon);

            GMaps.fire('polygon_added', polygon, this);

            return polygon;
        };

        GMaps.prototype.removePolygon = function(polygon) {
            for (var i = 0; i < this.polygons.length; i++) {
                if (this.polygons[ i ] === polygon) {
                    this.polygons[ i ].setMap(null);
                    this.polygons.splice(i, 1);

                    GMaps.fire('polygon_removed', polygon, this);

                    break;
                }
            }
        };

        GMaps.prototype.removePolygons = function() {
            for (var i = 0, item; item = this.polygons[ i ]; i++) {
                item.setMap(null);
            }

            this.polygons = [];
        };

        GMaps.prototype.getFromFusionTables = function(options) {
            var events = options.events;

            delete options.events;

            var fusion_tables_options = options, layer = new google.maps.FusionTablesLayer(fusion_tables_options);

            for (var ev in events) {
                (function(object, name) {
                    google.maps.event.addListener(
                        object, name, function(e) {
                            events[ name ].apply(this, [ e ]);
                        }
                    );
                })(layer, ev);
            }

            this.layers.push(layer);

            return layer;
        };

        GMaps.prototype.loadFromFusionTables = function(options) {
            var layer = this.getFromFusionTables(options);
            layer.setMap(this.map);

            return layer;
        };

        GMaps.prototype.getFromKML = function(options) {
            var url = options.url, events = options.events;

            delete options.url;
            delete options.events;

            var kml_options = options, layer = new google.maps.KmlLayer(url, kml_options);

            for (var ev in events) {
                (function(object, name) {
                    google.maps.event.addListener(
                        object, name, function(e) {
                            events[ name ].apply(this, [ e ]);
                        }
                    );
                })(layer, ev);
            }

            this.layers.push(layer);

            return layer;
        };

        GMaps.prototype.loadFromKML = function(options) {
            var layer = this.getFromKML(options);
            layer.setMap(this.map);

            return layer;
        };

        GMaps.prototype.addLayer = function(layerName, options) {
            //var default_layers = ['weather', 'clouds', 'traffic', 'transit', 'bicycling', 'panoramio', 'places'];
            options = options || {};
            var layer;

            switch (layerName) {
                case 'weather':
                    this.singleLayers.weather = layer = new google.maps.weather.WeatherLayer();
                    break;
                case 'clouds':
                    this.singleLayers.clouds = layer = new google.maps.weather.CloudLayer();
                    break;
                case 'traffic':
                    this.singleLayers.traffic = layer = new google.maps.TrafficLayer();
                    break;
                case 'transit':
                    this.singleLayers.transit = layer = new google.maps.TransitLayer();
                    break;
                case 'bicycling':
                    this.singleLayers.bicycling = layer = new google.maps.BicyclingLayer();
                    break;
                case 'panoramio':
                    this.singleLayers.panoramio = layer = new google.maps.panoramio.PanoramioLayer();
                    layer.setTag(options.filter);
                    delete options.filter;

                    //click event
                    if (options.click) {
                        google.maps.event.addListener(
                            layer, 'click', function(event) {
                                options.click(event);
                                delete options.click;
                            }
                        );
                    }
                    break;
                case 'places':
                    this.singleLayers.places = layer = new google.maps.places.PlacesService(this.map);

                    //search, nearbySearch, radarSearch callback, Both are the same
                    if (options.search || options.nearbySearch || options.radarSearch) {
                        var placeSearchRequest = {
                            bounds: options.bounds || null,
                            keyword: options.keyword || null,
                            location: options.location || null,
                            name: options.name || null,
                            radius: options.radius || null,
                            rankBy: options.rankBy || null,
                            types: options.types || null
                        };

                        if (options.radarSearch) {
                            layer.radarSearch(placeSearchRequest, options.radarSearch);
                        }

                        if (options.search) {
                            layer.search(placeSearchRequest, options.search);
                        }

                        if (options.nearbySearch) {
                            layer.nearbySearch(placeSearchRequest, options.nearbySearch);
                        }
                    }

                    //textSearch callback
                    if (options.textSearch) {
                        var textSearchRequest = {
                            bounds: options.bounds || null,
                            location: options.location || null,
                            query: options.query || null,
                            radius: options.radius || null
                        };

                        layer.textSearch(textSearchRequest, options.textSearch);
                    }
                    break;
            }

            if (layer !== undefined) {
                if (typeof layer.setOptions == 'function') {
                    layer.setOptions(options);
                }
                if (typeof layer.setMap == 'function') {
                    layer.setMap(this.map);
                }

                return layer;
            }
        };

        GMaps.prototype.removeLayer = function(layer) {
            if (typeof(layer) == "string" && this.singleLayers[ layer ] !== undefined) {
                this.singleLayers[ layer ].setMap(null);

                delete this.singleLayers[ layer ];
            } else {
                for (var i = 0; i < this.layers.length; i++) {
                    if (this.layers[ i ] === layer) {
                        this.layers[ i ].setMap(null);
                        this.layers.splice(i, 1);

                        break;
                    }
                }
            }
        };

        var travelMode, unitSystem;

        GMaps.prototype.getRoutes = function(options) {
            switch (options.travelMode) {
                case 'bicycling':
                    travelMode = google.maps.TravelMode.BICYCLING;
                    break;
                case 'transit':
                    travelMode = google.maps.TravelMode.TRANSIT;
                    break;
                case 'driving':
                    travelMode = google.maps.TravelMode.DRIVING;
                    break;
                default:
                    travelMode = google.maps.TravelMode.WALKING;
                    break;
            }

            if (options.unitSystem === 'imperial') {
                unitSystem = google.maps.UnitSystem.IMPERIAL;
            } else {
                unitSystem = google.maps.UnitSystem.METRIC;
            }

            var base_options = {
                avoidHighways: false,
                avoidTolls: false,
                optimizeWaypoints: false,
                waypoints: []
            }, request_options = extend_object(base_options, options);

            request_options.origin = /string/.test(typeof options.origin) ? options.origin : new google.maps.LatLng(options.origin[ 0 ], options.origin[ 1 ]);
            request_options.destination = /string/.test(typeof options.destination) ? options.destination : new google.maps.LatLng(options.destination[ 0 ], options.destination[ 1 ]);
            request_options.travelMode = travelMode;
            request_options.unitSystem = unitSystem;

            delete request_options.callback;
            delete request_options.error;

            var self = this, service = new google.maps.DirectionsService();

            service.route(
                request_options, function(result, status) {
                    if (status === google.maps.DirectionsStatus.OK) {
                        for (var r in result.routes) {
                            if (result.routes.hasOwnProperty(r)) {
                                self.routes.push(result.routes[ r ]);
                            }
                        }

                        if (options.callback) {
                            options.callback(self.routes);
                        }
                    } else {
                        if (options.error) {
                            options.error(result, status);
                        }
                    }
                }
            );
        };

        GMaps.prototype.removeRoutes = function() {
            this.routes = [];
        };

        GMaps.prototype.getElevations = function(options) {
            options = extend_object(
                {
                    locations: [],
                    path: false,
                    samples: 256
                }, options
            );

            if (options.locations.length > 0) {
                if (options.locations[ 0 ].length > 0) {
                    options.locations = array_flat(array_map([ options.locations ], arrayToLatLng, false));
                }
            }

            var callback = options.callback;
            delete options.callback;

            var service = new google.maps.ElevationService();

            //location request
            if (!options.path) {
                delete options.path;
                delete options.samples;

                service.getElevationForLocations(
                    options, function(result, status) {
                        if (callback && typeof(callback) === "function") {
                            callback(result, status);
                        }
                    }
                );
                //path request
            } else {
                var pathRequest = {
                    path: options.locations,
                    samples: options.samples
                };

                service.getElevationAlongPath(
                    pathRequest, function(result, status) {
                        if (callback && typeof(callback) === "function") {
                            callback(result, status);
                        }
                    }
                );
            }
        };

        GMaps.prototype.cleanRoute = GMaps.prototype.removePolylines;

        GMaps.prototype.drawRoute = function(options) {
            var self = this;

            this.getRoutes(
                {
                    origin: options.origin,
                    destination: options.destination,
                    travelMode: options.travelMode,
                    waypoints: options.waypoints,
                    unitSystem: options.unitSystem,
                    error: options.error,
                    callback: function(e) {
                        if (e.length > 0) {
                            self.drawPolyline(
                                {
                                    path: e[ e.length - 1 ].overview_path,
                                    strokeColor: options.strokeColor,
                                    strokeOpacity: options.strokeOpacity,
                                    strokeWeight: options.strokeWeight
                                }
                            );

                            if (options.callback) {
                                options.callback(e[ e.length - 1 ]);
                            }
                        }
                    }
                }
            );
        };

        GMaps.prototype.travelRoute = function(options) {
            if (options.origin && options.destination) {
                this.getRoutes(
                    {
                        origin: options.origin,
                        destination: options.destination,
                        travelMode: options.travelMode,
                        waypoints: options.waypoints,
                        unitSystem: options.unitSystem,
                        error: options.error,
                        callback: function(e) {
                            //start callback
                            if (e.length > 0 && options.start) {
                                options.start(e[ e.length - 1 ]);
                            }

                            //step callback
                            if (e.length > 0 && options.step) {
                                var route = e[ e.length - 1 ];
                                if (route.legs.length > 0) {
                                    var steps = route.legs[ 0 ].steps;
                                    for (var i = 0, step; step = steps[ i ]; i++) {
                                        step.step_number = i;
                                        options.step(step, (route.legs[ 0 ].steps.length - 1));
                                    }
                                }
                            }

                            //end callback
                            if (e.length > 0 && options.end) {
                                options.end(e[ e.length - 1 ]);
                            }
                        }
                    }
                );
            } else if (options.route) {
                if (options.route.legs.length > 0) {
                    var steps = options.route.legs[ 0 ].steps;
                    for (var i = 0, step; step = steps[ i ]; i++) {
                        step.step_number = i;
                        options.step(step);
                    }
                }
            }
        };

        GMaps.prototype.drawSteppedRoute = function(options) {
            var self = this;

            if (options.origin && options.destination) {
                this.getRoutes(
                    {
                        origin: options.origin,
                        destination: options.destination,
                        travelMode: options.travelMode,
                        waypoints: options.waypoints,
                        error: options.error,
                        callback: function(e) {
                            //start callback
                            if (e.length > 0 && options.start) {
                                options.start(e[ e.length - 1 ]);
                            }

                            //step callback
                            if (e.length > 0 && options.step) {
                                var route = e[ e.length - 1 ];
                                if (route.legs.length > 0) {
                                    var steps = route.legs[ 0 ].steps;
                                    for (var i = 0, step; step = steps[ i ]; i++) {
                                        step.step_number = i;
                                        self.drawPolyline(
                                            {
                                                path: step.path,
                                                strokeColor: options.strokeColor,
                                                strokeOpacity: options.strokeOpacity,
                                                strokeWeight: options.strokeWeight
                                            }
                                        );
                                        options.step(step, (route.legs[ 0 ].steps.length - 1));
                                    }
                                }
                            }

                            //end callback
                            if (e.length > 0 && options.end) {
                                options.end(e[ e.length - 1 ]);
                            }
                        }
                    }
                );
            } else if (options.route) {
                if (options.route.legs.length > 0) {
                    var steps = options.route.legs[ 0 ].steps;
                    for (var i = 0, step; step = steps[ i ]; i++) {
                        step.step_number = i;
                        self.drawPolyline(
                            {
                                path: step.path,
                                strokeColor: options.strokeColor,
                                strokeOpacity: options.strokeOpacity,
                                strokeWeight: options.strokeWeight
                            }
                        );
                        options.step(step);
                    }
                }
            }
        };

        GMaps.Route = function(options) {
            this.origin = options.origin;
            this.destination = options.destination;
            this.waypoints = options.waypoints;

            this.map = options.map;
            this.route = options.route;
            this.step_count = 0;
            this.steps = this.route.legs[ 0 ].steps;
            this.steps_length = this.steps.length;

            this.polyline = this.map.drawPolyline(
                {
                    path: new google.maps.MVCArray(),
                    strokeColor: options.strokeColor,
                    strokeOpacity: options.strokeOpacity,
                    strokeWeight: options.strokeWeight
                }
            )
                                .getPath();
        };

        GMaps.Route.prototype.getRoute = function(options) {
            var self = this;

            this.map.getRoutes(
                {
                    origin: this.origin,
                    destination: this.destination,
                    travelMode: options.travelMode,
                    waypoints: this.waypoints || [],
                    error: options.error,
                    callback: function() {
                        self.route = e[ 0 ];

                        if (options.callback) {
                            options.callback.call(self);
                        }
                    }
                }
            );
        };

        GMaps.Route.prototype.back = function() {
            if (this.step_count > 0) {
                this.step_count--;
                var path = this.route.legs[ 0 ].steps[ this.step_count ].path;

                for (var p in path) {
                    if (path.hasOwnProperty(p)) {
                        this.polyline.pop();
                    }
                }
            }
        };

        GMaps.Route.prototype.forward = function() {
            if (this.step_count < this.steps_length) {
                var path = this.route.legs[ 0 ].steps[ this.step_count ].path;

                for (var p in path) {
                    if (path.hasOwnProperty(p)) {
                        this.polyline.push(path[ p ]);
                    }
                }
                this.step_count++;
            }
        };

        GMaps.prototype.checkGeofence = function(lat, lng, fence) {
            return fence.containsLatLng(new google.maps.LatLng(lat, lng));
        };

        GMaps.prototype.checkMarkerGeofence = function(marker, outside_callback) {
            if (marker.fences) {
                for (var i = 0, fence; fence = marker.fences[ i ]; i++) {
                    var pos = marker.getPosition();
                    if (!this.checkGeofence(pos.lat(), pos.lng(), fence)) {
                        outside_callback(marker, fence);
                    }
                }
            }
        };

        GMaps.prototype.toImage = function(options) {
            var options = options || {}, static_map_options = {};

            static_map_options[ 'size' ] = options[ 'size' ] || [
                    this.el.clientWidth,
                    this.el.clientHeight
                ];
            static_map_options[ 'lat' ] = this.getCenter()
                                              .lat();
            static_map_options[ 'lng' ] = this.getCenter()
                                              .lng();

            if (this.markers.length > 0) {
                static_map_options[ 'markers' ] = [];

                for (var i = 0; i < this.markers.length; i++) {
                    static_map_options[ 'markers' ].push(
                        {
                            lat: this.markers[ i ].getPosition()
                                                  .lat(),
                            lng: this.markers[ i ].getPosition()
                                                  .lng()
                        }
                    );
                }
            }

            if (this.polylines.length > 0) {
                var polyline = this.polylines[ 0 ];

                static_map_options[ 'polyline' ] = {};
                static_map_options[ 'polyline' ][ 'path' ] = google.maps.geometry.encoding.encodePath(polyline.getPath());
                static_map_options[ 'polyline' ][ 'strokeColor' ] = polyline.strokeColor
                static_map_options[ 'polyline' ][ 'strokeOpacity' ] = polyline.strokeOpacity
                static_map_options[ 'polyline' ][ 'strokeWeight' ] = polyline.strokeWeight
            }

            return GMaps.staticMapURL(static_map_options);
        };

        GMaps.staticMapURL = function(options) {
            var parameters = [], data, static_root = 'http://maps.googleapis.com/maps/api/staticmap';

            if (options.url) {
                static_root = options.url;
                delete options.url;
            }

            static_root += '?';

            var markers = options.markers;

            delete options.markers;

            if (!markers && options.marker) {
                markers = [ options.marker ];
                delete options.marker;
            }

            var styles = options.styles;

            delete options.styles;

            var polyline = options.polyline;
            delete options.polyline;

            /** Map options **/
            if (options.center) {
                parameters.push('center=' + options.center);
                delete options.center;
            } else if (options.address) {
                parameters.push('center=' + options.address);
                delete options.address;
            } else if (options.lat) {
                parameters.push(
                    [
                        'center=',
                        options.lat,
                        ',',
                        options.lng
                    ].join('')
                );
                delete options.lat;
                delete options.lng;
            } else if (options.visible) {
                var visible = encodeURI(options.visible.join('|'));
                parameters.push('visible=' + visible);
            }

            var size = options.size;
            if (size) {
                if (size.join) {
                    size = size.join('x');
                }
                delete options.size;
            } else {
                size = '630x300';
            }
            parameters.push('size=' + size);

            if (!options.zoom && options.zoom !== false) {
                options.zoom = 15;
            }

            var sensor = options.hasOwnProperty('sensor') ? !!options.sensor : true;
            delete options.sensor;
            parameters.push('sensor=' + sensor);

            for (var param in options) {
                if (options.hasOwnProperty(param)) {
                    parameters.push(param + '=' + options[ param ]);
                }
            }

            /** Markers **/
            if (markers) {
                var marker, loc;

                for (var i = 0; data = markers[ i ]; i++) {
                    marker = [];

                    if (data.size && data.size !== 'normal') {
                        marker.push('size:' + data.size);
                        delete data.size;
                    } else if (data.icon) {
                        marker.push('icon:' + encodeURI(data.icon));
                        delete data.icon;
                    }

                    if (data.color) {
                        marker.push('color:' + data.color.replace('#', '0x'));
                        delete data.color;
                    }

                    if (data.label) {
                        marker.push('label:' + data.label[ 0 ].toUpperCase());
                        delete data.label;
                    }

                    loc = (data.address ? data.address : data.lat + ',' + data.lng);
                    delete data.address;
                    delete data.lat;
                    delete data.lng;

                    for (var param in data) {
                        if (data.hasOwnProperty(param)) {
                            marker.push(param + ':' + data[ param ]);
                        }
                    }

                    if (marker.length || i === 0) {
                        marker.push(loc);
                        marker = marker.join('|');
                        parameters.push('markers=' + encodeURI(marker));
                    }
                    // New marker without styles
                    else {
                        marker = parameters.pop() + encodeURI('|' + loc);
                        parameters.push(marker);
                    }
                }
            }

            /** Map Styles **/
            if (styles) {
                for (var i = 0; i < styles.length; i++) {
                    var styleRule = [];
                    if (styles[ i ].featureType) {
                        styleRule.push('feature:' + styles[ i ].featureType.toLowerCase());
                    }

                    if (styles[ i ].elementType) {
                        styleRule.push('element:' + styles[ i ].elementType.toLowerCase());
                    }

                    for (var j = 0; j < styles[ i ].stylers.length; j++) {
                        for (var p in styles[ i ].stylers[ j ]) {
                            var ruleArg = styles[ i ].stylers[ j ][ p ];
                            if (p == 'hue' || p == 'color') {
                                ruleArg = '0x' + ruleArg.substring(1);
                            }
                            styleRule.push(p + ':' + ruleArg);
                        }
                    }

                    var rule = styleRule.join('|');
                    if (rule != '') {
                        parameters.push('style=' + rule);
                    }
                }
            }

            /** Polylines **/
            function parseColor(color, opacity) {
                if (color[ 0 ] === '#') {
                    color = color.replace('#', '0x');

                    if (opacity) {
                        opacity = parseFloat(opacity);
                        opacity = Math.min(1, Math.max(opacity, 0));
                        if (opacity === 0) {
                            return '0x00000000';
                        }
                        opacity = (opacity * 255).toString(16);
                        if (opacity.length === 1) {
                            opacity += opacity;
                        }

                        color = color.slice(0, 8) + opacity;
                    }
                }
                return color;
            }

            if (polyline) {
                data = polyline;
                polyline = [];

                if (data.strokeWeight) {
                    polyline.push('weight:' + parseInt(data.strokeWeight, 10));
                }

                if (data.strokeColor) {
                    var color = parseColor(data.strokeColor, data.strokeOpacity);
                    polyline.push('color:' + color);
                }

                if (data.fillColor) {
                    var fillcolor = parseColor(data.fillColor, data.fillOpacity);
                    polyline.push('fillcolor:' + fillcolor);
                }

                var path = data.path;
                if (path.join) {
                    for (var j = 0, pos; pos = path[ j ]; j++) {
                        polyline.push(pos.join(','));
                    }
                } else {
                    polyline.push('enc:' + path);
                }

                polyline = polyline.join('|');
                parameters.push('path=' + encodeURI(polyline));
            }

            /** Retina support **/
            var dpi = window.devicePixelRatio || 1;
            parameters.push('scale=' + dpi);

            parameters = parameters.join('&');
            return static_root + parameters;
        };

        GMaps.prototype.addMapType = function(mapTypeId, options) {
            if (options.hasOwnProperty("getTileUrl") && typeof(options[ "getTileUrl" ]) == "function") {
                options.tileSize = options.tileSize || new google.maps.Size(256, 256);

                var mapType = new google.maps.ImageMapType(options);

                this.map.mapTypes.set(mapTypeId, mapType);
            } else {
                throw "'getTileUrl' function required.";
            }
        };

        GMaps.prototype.addOverlayMapType = function(options) {
            if (options.hasOwnProperty("getTile") && typeof(options[ "getTile" ]) == "function") {
                var overlayMapTypeIndex = options.index;

                delete options.index;

                this.map.overlayMapTypes.insertAt(overlayMapTypeIndex, options);
            } else {
                throw "'getTile' function required.";
            }
        };

        GMaps.prototype.removeOverlayMapType = function(overlayMapTypeIndex) {
            this.map.overlayMapTypes.removeAt(overlayMapTypeIndex);
        };

        GMaps.prototype.addStyle = function(options) {
            var styledMapType = new google.maps.StyledMapType(options.styles, {name: options.styledMapName});

            this.map.mapTypes.set(options.mapTypeId, styledMapType);
        };

        GMaps.prototype.setStyle = function(mapTypeId) {
            this.map.setMapTypeId(mapTypeId);
        };

        GMaps.prototype.createPanorama = function(streetview_options) {
            if (!streetview_options.hasOwnProperty('lat') || !streetview_options.hasOwnProperty('lng')) {
                streetview_options.lat = this.getCenter()
                                             .lat();
                streetview_options.lng = this.getCenter()
                                             .lng();
            }

            this.panorama = GMaps.createPanorama(streetview_options);

            this.map.setStreetView(this.panorama);

            return this.panorama;
        };

        GMaps.createPanorama = function(options) {
            var el = getElementById(options.el, options.context);

            options.position = new google.maps.LatLng(options.lat, options.lng);

            delete options.el;
            delete options.context;
            delete options.lat;
            delete options.lng;

            var streetview_events = [
                'closeclick',
                'links_changed',
                'pano_changed',
                'position_changed',
                'pov_changed',
                'resize',
                'visible_changed'
            ], streetview_options = extend_object({visible: true}, options);

            for (var i = 0; i < streetview_events.length; i++) {
                delete streetview_options[ streetview_events[ i ] ];
            }

            var panorama = new google.maps.StreetViewPanorama(el, streetview_options);

            for (var i = 0; i < streetview_events.length; i++) {
                (function(object, name) {
                    if (options[ name ]) {
                        google.maps.event.addListener(
                            object, name, function() {
                                options[ name ].apply(this);
                            }
                        );
                    }
                })(panorama, streetview_events[ i ]);
            }

            return panorama;
        };

        GMaps.prototype.on = function(event_name, handler) {
            return GMaps.on(event_name, this, handler);
        };

        GMaps.prototype.off = function(event_name) {
            GMaps.off(event_name, this);
        };

        GMaps.custom_events = [
            'marker_added',
            'marker_removed',
            'polyline_added',
            'polyline_removed',
            'polygon_added',
            'polygon_removed',
            'geolocated',
            'geolocation_failed'
        ];

        GMaps.on = function(event_name, object, handler) {
            if (GMaps.custom_events.indexOf(event_name) == -1) {
                if (object instanceof GMaps) {
                    object = object.map;
                }
                return google.maps.event.addListener(object, event_name, handler);
            } else {
                var registered_event = {
                    handler: handler,
                    eventName: event_name
                };

                object.registered_events[ event_name ] = object.registered_events[ event_name ] || [];
                object.registered_events[ event_name ].push(registered_event);

                return registered_event;
            }
        };

        GMaps.off = function(event_name, object) {
            if (GMaps.custom_events.indexOf(event_name) == -1) {
                if (object instanceof GMaps) {
                    object = object.map;
                }
                google.maps.event.clearListeners(object, event_name);
            } else {
                object.registered_events[ event_name ] = [];
            }
        };

        GMaps.fire = function(event_name, object, scope) {
            if (GMaps.custom_events.indexOf(event_name) == -1) {
                google.maps.event.trigger(
                    object, event_name, Array.prototype.slice.apply(arguments)
                                             .slice(2)
                );
            } else {
                if (event_name in scope.registered_events) {
                    var firing_events = scope.registered_events[ event_name ];

                    for (var i = 0; i < firing_events.length; i++) {
                        (function(handler, scope, object) {
                            handler.apply(scope, [ object ]);
                        })(firing_events[ i ][ 'handler' ], scope, object);
                    }
                }
            }
        };

        GMaps.geolocate = function(options) {
            var complete_callback = options.always || options.complete;

            if (navigator.geolocation) {
                navigator.geolocation.getCurrentPosition(
                    function(position) {
                        options.success(position);

                        if (complete_callback) {
                            complete_callback();
                        }
                    }, function(error) {
                        options.error(error);

                        if (complete_callback) {
                            complete_callback();
                        }
                    }, options.options
                );
            } else {
                options.not_supported();

                if (complete_callback) {
                    complete_callback();
                }
            }
        };

        GMaps.geocode = function(options) {
            this.geocoder = new google.maps.Geocoder();
            var callback = options.callback;
            if (options.hasOwnProperty('lat') && options.hasOwnProperty('lng')) {
                options.latLng = new google.maps.LatLng(options.lat, options.lng);
            }

            delete options.lat;
            delete options.lng;
            delete options.callback;

            this.geocoder.geocode(
                options, function(results, status) {
                    callback(results, status);
                }
            );
        };

        //==========================
        // Polygon containsLatLng
        // https://github.com/tparkin/Google-Maps-Point-in-Polygon
        // Poygon getBounds extension - google-maps-extensions
        // http://code.google.com/p/google-maps-extensions/source/browse/google.maps.Polygon.getBounds.js
        if (!google.maps.Polygon.prototype.getBounds) {
            google.maps.Polygon.prototype.getBounds = function(latLng) {
                var bounds = new google.maps.LatLngBounds();
                var paths = this.getPaths();
                var path;

                for (var p = 0; p < paths.getLength(); p++) {
                    path = paths.getAt(p);
                    for (var i = 0; i < path.getLength(); i++) {
                        bounds.extend(path.getAt(i));
                    }
                }

                return bounds;
            };
        }

        if (!google.maps.Polygon.prototype.containsLatLng) {
            // Polygon containsLatLng - method to determine if a latLng is within a polygon
            google.maps.Polygon.prototype.containsLatLng = function(latLng) {
                // Exclude points outside of bounds as there is no way they are in the poly
                var bounds = this.getBounds();

                if (bounds !== null && !bounds.contains(latLng)) {
                    return false;
                }

                // Raycast point in polygon method
                var inPoly = false;

                var numPaths = this.getPaths()
                                   .getLength();
                for (var p = 0; p < numPaths; p++) {
                    var path = this.getPaths()
                                   .getAt(p);
                    var numPoints = path.getLength();
                    var j = numPoints - 1;

                    for (var i = 0; i < numPoints; i++) {
                        var vertex1 = path.getAt(i);
                        var vertex2 = path.getAt(j);

                        if (vertex1.lng() < latLng.lng() && vertex2.lng() >= latLng.lng() || vertex2.lng() < latLng.lng() && vertex1.lng() >= latLng.lng()) {
                            if (vertex1.lat() + (latLng.lng() - vertex1.lng()) / (vertex2.lng() - vertex1.lng()) * (vertex2.lat() - vertex1.lat()) < latLng.lat()) {
                                inPoly = !inPoly;
                            }
                        }

                        j = i;
                    }
                }

                return inPoly;
            };
        }

        if (!google.maps.Circle.prototype.containsLatLng) {
            google.maps.Circle.prototype.containsLatLng = function(latLng) {
                if (google.maps.geometry) {
                    return google.maps.geometry.spherical.computeDistanceBetween(this.getCenter(), latLng) <= this.getRadius();
                } else {
                    return true;
                }
            };
        }

        google.maps.LatLngBounds.prototype.containsLatLng = function(latLng) {
            return this.contains(latLng);
        };

        google.maps.Marker.prototype.setFences = function(fences) {
            this.fences = fences;
        };

        google.maps.Marker.prototype.addFence = function(fence) {
            this.fences.push(fence);
        };

        google.maps.Marker.prototype.getId = function() {
            return this[ '__gm_id' ];
        };

        //==========================
        // Array indexOf
        // https://developer.mozilla.org/en-US/docs/JavaScript/Reference/Global_Objects/Array/indexOf
        if (!Array.prototype.indexOf) {
            Array.prototype.indexOf = function(searchElement /*, fromIndex */) {
                "use strict";
                if (this == null) {
                    throw new TypeError();
                }
                var t = Object(this);
                var len = t.length >>> 0;
                if (len === 0) {
                    return -1;
                }
                var n = 0;
                if (arguments.length > 1) {
                    n = Number(arguments[ 1 ]);
                    if (n != n) { // shortcut for verifying if it's NaN
                        n = 0;
                    } else if (n != 0 && n != Infinity && n != -Infinity) {
                        n = (n > 0 || -1) * Math.floor(Math.abs(n));
                    }
                }
                if (n >= len) {
                    return -1;
                }
                var k = n >= 0 ? n : Math.max(len - Math.abs(n), 0);
                for (; k < len; k++) {
                    if (k in t && t[ k ] === searchElement) {
                        return k;
                    }
                }
                return -1;
            }
        }

        return GMaps;
    }
));