function ClusterIcon(a,b){a.getMarkerClusterer().extend(ClusterIcon,google.maps.OverlayView),this.cluster_=a,this.className_=a.getMarkerClusterer().getClusterClass(),this.styles_=b,this.center_=null,this.div_=null,this.sums_=null,this.visible_=!1,this.setMap(a.getMap())}function Cluster(a){this.markerClusterer_=a,this.map_=a.getMap(),this.gridSize_=a.getGridSize(),this.minClusterSize_=a.getMinimumClusterSize(),this.averageCenter_=a.getAverageCenter(),this.hideLabel_=a.getHideLabel(),this.markers_=[],this.center_=null,this.bounds_=null,this.clusterIcon_=new ClusterIcon(this,a.getStyles())}function MarkerClusterer(a,b,c){this.extend(MarkerClusterer,google.maps.OverlayView),b=b||[],c=c||{},this.markers_=[],this.clusters_=[],this.listeners_=[],this.activeMap_=null,this.ready_=!1,this.gridSize_=c.gridSize||60,this.minClusterSize_=c.minimumClusterSize||2,this.maxZoom_=c.maxZoom||null,this.styles_=c.styles||[],this.title_=c.title||"",this.zoomOnClick_=!0,void 0!==c.zoomOnClick&&(this.zoomOnClick_=c.zoomOnClick),this.averageCenter_=!1,void 0!==c.averageCenter&&(this.averageCenter_=c.averageCenter),this.ignoreHidden_=!1,void 0!==c.ignoreHidden&&(this.ignoreHidden_=c.ignoreHidden),this.enableRetinaIcons_=!1,void 0!==c.enableRetinaIcons&&(this.enableRetinaIcons_=c.enableRetinaIcons),this.hideLabel_=!1,void 0!==c.hideLabel&&(this.hideLabel_=c.hideLabel),this.imagePath_=c.imagePath||MarkerClusterer.IMAGE_PATH,this.imageExtension_=c.imageExtension||MarkerClusterer.IMAGE_EXTENSION,this.imageSizes_=c.imageSizes||MarkerClusterer.IMAGE_SIZES,this.calculator_=c.calculator||MarkerClusterer.CALCULATOR,this.batchSize_=c.batchSize||MarkerClusterer.BATCH_SIZE,this.batchSizeIE_=c.batchSizeIE||MarkerClusterer.BATCH_SIZE_IE,this.clusterClass_=c.clusterClass||"cluster",navigator.userAgent.toLowerCase().indexOf("msie")!==-1&&(this.batchSize_=this.batchSizeIE_),this.setupStyles_(),this.addMarkers(b,!0),this.setMap(a)}ClusterIcon.prototype.onAdd=function(){var a,b,c=this;this.div_=document.createElement("div"),this.div_.className=this.className_,this.visible_&&this.show(),this.getPanes().overlayMouseTarget.appendChild(this.div_),this.boundsChangedListener_=google.maps.event.addListener(this.getMap(),"bounds_changed",function(){b=a}),google.maps.event.addDomListener(this.div_,"mousedown",function(){a=!0,b=!1}),google.maps.event.addDomListener(this.div_,"click",function(d){if(a=!1,!b){var e,f,g=c.cluster_.getMarkerClusterer();google.maps.event.trigger(g,"click",c.cluster_),google.maps.event.trigger(g,"clusterclick",c.cluster_),g.getZoomOnClick()&&(f=g.getMaxZoom(),e=c.cluster_.getBounds(),g.getMap().fitBounds(e),setTimeout(function(){g.getMap().fitBounds(e),null!==f&&g.getMap().getZoom()>f&&g.getMap().setZoom(f+1)},100)),d.cancelBubble=!0,d.stopPropagation&&d.stopPropagation()}}),google.maps.event.addDomListener(this.div_,"mouseover",function(){var a=c.cluster_.getMarkerClusterer();google.maps.event.trigger(a,"mouseover",c.cluster_)}),google.maps.event.addDomListener(this.div_,"mouseout",function(){var a=c.cluster_.getMarkerClusterer();google.maps.event.trigger(a,"mouseout",c.cluster_)})},ClusterIcon.prototype.onRemove=function(){this.div_&&this.div_.parentNode&&(this.hide(),google.maps.event.removeListener(this.boundsChangedListener_),google.maps.event.clearInstanceListeners(this.div_),this.div_.parentNode.removeChild(this.div_),this.div_=null)},ClusterIcon.prototype.draw=function(){if(this.visible_){var a=this.getPosFromLatLng_(this.center_);this.div_.style.top=a.y+"px",this.div_.style.left=a.x+"px"}},ClusterIcon.prototype.hide=function(){this.div_&&(this.div_.style.display="none"),this.visible_=!1},ClusterIcon.prototype.show=function(){if(this.div_){var a="",b=this.backgroundPosition_.split(" "),c=parseInt(b[0].trim(),10),d=parseInt(b[1].trim(),10),e=this.getPosFromLatLng_(this.center_);this.div_.style.cssText=this.createCss(e),a="",this.div_.innerHTML=a+"