function MarkerClusterer(t,e,r){this.extend(MarkerClusterer,google.maps.OverlayView),this.map_=t,this.markers_=[],this.clusters_=[],this.sizes=[53,56,66,78,90],this.styles_=[],this.ready_=!1;var s=r||{};this.gridSize_=s.gridSize||60,this.minClusterSize_=s.minimumClusterSize||2,this.maxZoom_=s.maxZoom||null,this.styles_=s.styles||[],this.imagePath_=s.imagePath||this.MARKER_CLUSTER_IMAGE_PATH_,this.imageExtension_=s.imageExtension||this.MARKER_CLUSTER_IMAGE_EXTENSION_,this.zoomOnClick_=!0,void 0!=s.zoomOnClick&&(this.zoomOnClick_=s.zoomOnClick),this.averageCenter_=!1,void 0!=s.averageCenter&&(this.averageCenter_=s.averageCenter),this.setupStyles_(),this.setMap(t),this.prevZoom_=this.map_.getZoom();var o=this;google.maps.event.addListener(this.map_,"zoom_changed",function(){var t=o.map_.getZoom();o.prevZoom_!=t&&(o.prevZoom_=t,o.resetViewport())}),google.maps.event.addListener(this.map_,"idle",function(){o.redraw()}),e&&e.length&&this.addMarkers(e,!1)}function Cluster(t){this.markerClusterer_=t,this.map_=t.getMap(),this.gridSize_=t.getGridSize(),this.minClusterSize_=t.getMinClusterSize(),this.averageCenter_=t.isAverageCenter(),this.center_=null,this.markers_=[],this.bounds_=null,this.clusterIcon_=new ClusterIcon(this,t.getStyles(),t.getGridSize())}function ClusterIcon(t,e,r){t.getMarkerClusterer().extend(ClusterIcon,google.maps.OverlayView),this.styles_=e,this.padding_=r||0,this.cluster_=t,this.center_=null,this.map_=t.getMap(),this.div_=null,this.sums_=null,this.visible_=!1,this.setMap(this.map_)}MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_PATH_="../images/m",MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_EXTENSION_="png",MarkerClusterer.prototype.extend=function(t,e){return function(t){for(var e in t.prototype)this.prototype[e]=t.prototype[e];return this}.apply(t,[e])},MarkerClusterer.prototype.onAdd=function(){this.setReady_(!0)},MarkerClusterer.prototype.draw=function(){},MarkerClusterer.prototype.setupStyles_=function(){if(!this.styles_.length)for(var t,e=0;t=this.sizes[e];e++)this.styles_.push({url:this.imagePath_+(e+1)+"."+this.imageExtension_,height:t,width:t})},MarkerClusterer.prototype.fitMapToMarkers=function(){for(var t,e=this.getMarkers(),r=new google.maps.LatLngBounds,s=0;t=e[s];s++)r.extend(t.getPosition());this.map_.fitBounds(r)},MarkerClusterer.prototype.setStyles=function(t){this.styles_=t},MarkerClusterer.prototype.getStyles=function(){return this.styles_},MarkerClusterer.prototype.isZoomOnClick=function(){return this.zoomOnClick_},MarkerClusterer.prototype.isAverageCenter=function(){return this.averageCenter_},MarkerClusterer.prototype.getMarkers=function(){return this.markers_},MarkerClusterer.prototype.getTotalMarkers=function(){return this.markers_.length},MarkerClusterer.prototype.setMaxZoom=function(t){this.maxZoom_=t},MarkerClusterer.prototype.getMaxZoom=function(){return this.maxZoom_},MarkerClusterer.prototype.calculator_=function(t,e){for(var r=0,s=t.length,o=s;0!==o;)o=parseInt(o/10,10),r++;return r=Math.min(r,e),{text:s,index:r}},MarkerClusterer.prototype.setCalculator=function(t){this.calculator_=t},MarkerClusterer.prototype.getCalculator=function(){return this.calculator_},MarkerClusterer.prototype.addMarkers=function(t,e){for(var r,s=0;r=t[s];s++)this.pushMarkerTo_(r);e||this.redraw()},MarkerClusterer.prototype.pushMarkerTo_=function(t){if(t.isAdded=!1,t.draggable){var e=this;google.maps.event.addListener(t,"dragend",function(){t.isAdded=!1,e.repaint()})}this.markers_.push(t)},MarkerClusterer.prototype.addMarker=function(t,e){this.pushMarkerTo_(t),e||this.redraw()},MarkerClusterer.prototype.removeMarker_=function(t){var e=-1;if(this.markers_.indexOf)e=this.markers_.indexOf(t);else for(var r,s=0;r=this.markers_[s];s++)if(r==t){e=s;break}return-1!=e&&(t.setMap(null),this.markers_.splice(e,1),!0)},MarkerClusterer.prototype.removeMarker=function(t,e){var r=this.removeMarker_(t);return!(e||!r)&&(this.resetViewport(),this.redraw(),!0)},MarkerClusterer.prototype.removeMarkers=function(t,e){for(var r,s=!1,o=0;r=t[o];o++){var i=this.removeMarker_(r);s=s||i}if(!e&&s)return this.resetViewport(),this.redraw(),!0},MarkerClusterer.prototype.setReady_=function(t){this.ready_||(this.ready_=t,this.createClusters_())},MarkerClusterer.prototype.getTotalClusters=function(){return this.clusters_.length},MarkerClusterer.prototype.getMap=function(){return this.map_},MarkerClusterer.prototype.setMap=function(t){this.map_=t},MarkerClusterer.prototype.getGridSize=function(){return this.gridSize_},MarkerClusterer.prototype.setGridSize=function(t){this.gridSize_=t},MarkerClusterer.prototype.getMinClusterSize=function(){return this.minClusterSize_},MarkerClusterer.prototype.setMinClusterSize=function(t){this.minClusterSize_=t},MarkerClusterer.prototype.getExtendedBounds=function(t){var e=this.getProjection(),r=new google.maps.LatLng(t.getNorthEast().lat(),t.getNorthEast().lng()),s=new google.maps.LatLng(t.getSouthWest().lat(),t.getSouthWest().lng()),o=e.fromLatLngToDivPixel(r);o.x+=this.gridSize_,o.y-=this.gridSize_;var i=e.fromLatLngToDivPixel(s);i.x-=this.gridSize_,i.y+=this.gridSize_;var n=e.fromDivPixelToLatLng(o),a=e.fromDivPixelToLatLng(i);return t.extend(n),t.extend(a),t},MarkerClusterer.prototype.isMarkerInBounds_=function(t,e){return e.contains(t.getPosition())},MarkerClusterer.prototype.clearMarkers=function(){this.resetViewport(!0),this.markers_=[]},MarkerClusterer.prototype.resetViewport=function(t){for(var e,r=0;e=this.clusters_[r];r++)e.remove();for(var s,r=0;s=this.markers_[r];r++)s.isAdded=!1,t&&s.setMap(null);this.clusters_=[]},MarkerClusterer.prototype.repaint=function(){var t=this.clusters_.slice();this.clusters_.length=0,this.resetViewport(),this.redraw(),window.setTimeout(function(){for(var e,r=0;e=t[r];r++)e.remove()},0)},MarkerClusterer.prototype.redraw=function(){this.createClusters_()},MarkerClusterer.prototype.distanceBetweenPoints_=function(t,e){if(!t||!e)return 0;var r=(e.lat()-t.lat())*Math.PI/180,s=(e.lng()-t.lng())*Math.PI/180,o=Math.sin(r/2)*Math.sin(r/2)+Math.cos(t.lat()*Math.PI/180)*Math.cos(e.lat()*Math.PI/180)*Math.sin(s/2)*Math.sin(s/2);return 6371*(2*Math.atan2(Math.sqrt(o),Math.sqrt(1-o)))},MarkerClusterer.prototype.addToClosestCluster_=function(t){for(var e,r=4e4,s=null,o=(t.getPosition(),0);e=this.clusters_[o];o++){var i=e.getCenter();if(i){var n=this.distanceBetweenPoints_(i,t.getPosition());n=this.minClusterSize_&&t.setMap(null),this.updateIcon(),!0},Cluster.prototype.getMarkerClusterer=function(){return this.markerClusterer_},Cluster.prototype.getBounds=function(){for(var t,e=new google.maps.LatLngBounds(this.center_,this.center_),r=this.getMarkers(),s=0;t=r[s];s++)e.extend(t.getPosition());return e},Cluster.prototype.remove=function(){this.clusterIcon_.remove(),this.markers_.length=0,delete this.markers_},Cluster.prototype.getSize=function(){return this.markers_.length},Cluster.prototype.getMarkers=function(){return this.markers_},Cluster.prototype.getCenter=function(){return this.center_},Cluster.prototype.calculateBounds_=function(){var t=new google.maps.LatLngBounds(this.center_,this.center_);this.bounds_=this.markerClusterer_.getExtendedBounds(t)},Cluster.prototype.isMarkerInClusterBounds=function(t){return this.bounds_.contains(t.getPosition())},Cluster.prototype.getMap=function(){return this.map_},Cluster.prototype.updateIcon=function(){var t=this.map_.getZoom(),e=this.markerClusterer_.getMaxZoom();if(e&&t>e)for(var r,s=0;r=this.markers_[s];s++)r.setMap(this.map_);else if(this.markers_.length0&&this.anchor_[0]0&&this.anchor_[1]