function MarkerClusterer(e,a,d){this.extend(MarkerClusterer,google.maps.OverlayView);this.map_=e;this.markers_=[];this.clusters_=[];this.sizes=[53,56,66,78,90];this.styles_=[];this.ready_=false;var b=d||{};this.gridSize_=b.gridSize||60;this.maxZoom_=b.maxZoom||null;this.styles_=b.styles||[];this.imagePath_=b.imagePath||this.MARKER_CLUSTER_IMAGE_PATH_;this.imageExtension_=b.imageExtension||this.MARKER_CLUSTER_IMAGE_EXTENSION_;this.zoomOnClick_=true;if(b.zoomOnClick!=undefined){this.zoomOnClick_=b.zoomOnClick}this.averageCenter_=false;if(b.averageCenter!=undefined){this.averageCenter_=b.averageCenter}this.setupStyles_();this.setMap(e);this.prevZoom_=this.map_.getZoom();var c=this;google.maps.event.addListener(this.map_,"zoom_changed",function(){var f=c.map_.mapTypes[c.map_.getMapTypeId()].maxZoom;var g=c.map_.getZoom();if(g<0||g>f){return}if(c.prevZoom_!=g){c.prevZoom_=c.map_.getZoom();c.resetViewport()}});google.maps.event.addListener(this.map_,"idle",function(){c.redraw()});if(a&&a.length){this.addMarkers(a,false)}}MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_PATH_="http://google-maps-utility-library-v3.googlecode.com/svn/trunk/markerclusterer/images/m";MarkerClusterer.prototype.MARKER_CLUSTER_IMAGE_EXTENSION_="png";MarkerClusterer.prototype.extend=function(b,a){return(function(c){for(var d in c.prototype){this.prototype[d]=c.prototype[d]}return this}).apply(b,[a])};MarkerClusterer.prototype.onAdd=function(){this.setReady_(true)};MarkerClusterer.prototype.draw=function(){};MarkerClusterer.prototype.setupStyles_=function(){if(this.styles_.length){return}for(var b=0,a;a=this.sizes[b];b++){this.styles_.push({url:this.imagePath_+(b+1)+"."+this.imageExtension_,height:a,width:a})}};MarkerClusterer.prototype.setStyles=function(a){this.styles_=a};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(a){this.maxZoom_=a};MarkerClusterer.prototype.getMaxZoom=function(){return this.maxZoom_||this.map_.mapTypes[this.map_.getMapTypeId()].maxZoom};MarkerClusterer.prototype.calculator_=function(e,d){var a=0;var c=e.length;var b=c;while(b!==0){b=parseInt(b/10,10);a++}a=Math.min(a,d);return{text:c,index:a}};MarkerClusterer.prototype.setCalculator=function(a){this.calculator_=a};MarkerClusterer.prototype.getCalculator=function(){return this.calculator_};MarkerClusterer.prototype.addMarkers=function(d,c){for(var b=0,a;a=d[b];b++){this.pushMarkerTo_(a)}if(!c){this.redraw()}};MarkerClusterer.prototype.pushMarkerTo_=function(a){a.setVisible(false);a.setMap(null);a.isAdded=false;if(a.draggable){var b=this;google.maps.event.addListener(a,"dragend",function(){a.isAdded=false;b.resetViewport();b.redraw()})}this.markers_.push(a)};MarkerClusterer.prototype.addMarker=function(a,b){this.pushMarkerTo_(a);if(!b){this.redraw()}};MarkerClusterer.prototype.removeMarker_=function(b){var c=-1;if(this.markers_.indexOf){c=this.markers_.indexOf(b)}else{for(var d=0,a;a=this.markers_[d];d++){if(a==b){c=d;break}}}if(c==-1){return false}this.markers_.splice(c,1);b.setVisible(false);b.setMap(null);return true};MarkerClusterer.prototype.removeMarker=function(a,b){var c=this.removeMarker_(a);if(!b&&c){this.resetViewport();this.redraw();return true}else{return false}};MarkerClusterer.prototype.removeMarkers=function(f,c){var e=false;for(var b=0,a;a=f[b];b++){var d=this.removeMarker_(a);e=e||d}if(!c&&e){this.resetViewport();this.redraw();return true}};MarkerClusterer.prototype.setReady_=function(a){if(!this.ready_){this.ready_=a;this.createClusters_()}};MarkerClusterer.prototype.getTotalClusters=function(){return this.clusters_.length};MarkerClusterer.prototype.getMap=function(){return this.map_};MarkerClusterer.prototype.setMap=function(a){this.map_=a};MarkerClusterer.prototype.getGridSize=function(){return this.gridSize_};MarkerClusterer.prototype.setGridSize=function(a){this.gridSize_=a};MarkerClusterer.prototype.getExtendedBounds=function(e){var c=this.getProjection();var f=new google.maps.LatLng(e.getNorthEast().lat(),e.getNorthEast().lng());var h=new google.maps.LatLng(e.getSouthWest().lat(),e.getSouthWest().lng());var d=c.fromLatLngToDivPixel(f);d.x+=this.gridSize_;d.y-=this.gridSize_;var b=c.fromLatLngToDivPixel(h);b.x-=this.gridSize_;b.y+=this.gridSize_;var g=c.fromDivPixelToLatLng(d);var a=c.fromDivPixelToLatLng(b);e.extend(g);e.extend(a);return e};MarkerClusterer.prototype.isMarkerInBounds_=function(a,b){return b.contains(a.getPosition())};MarkerClusterer.prototype.clearMarkers=function(){this.resetViewport();this.markers_=[]};MarkerClusterer.prototype.resetViewport=function(){for(var c=0,a;a=this.clusters_[c];c++){a.remove()}for(var c=0,b;b=this.markers_[c];c++){b.isAdded=false;b.setMap(null);b.setVisible(false)}this.clusters_=[]};MarkerClusterer.prototype.redraw=function(){this.createClusters_()};MarkerClusterer.prototype.createClusters_=function(){if(!this.ready_){return}var c=new google.maps.LatLngBounds(this.map_.getBounds().getSouthWest(),this.map_.getBounds().getNorthEast());var g=this.getExtendedBounds(c);for(var e=0,b;b=this.markers_[e];e++){var f=false;if(!b.isAdded&&this.isMarkerInBounds_(b,g)){for(var d=0,a;a=this.clusters_[d];d++){if(!f&&a.getCenter()&&a.isMarkerInClusterBounds(b)){f=true;a.addMarker(b);break}}if(!f){var a=new Cluster(this);a.addMarker(b);this.clusters_.push(a)}}}};function Cluster(a){this.markerClusterer_=a;this.map_=a.getMap();this.gridSize_=a.getGridSize();this.averageCenter_=a.isAverageCenter();this.center_=null;this.markers_=[];this.bounds_=null;this.clusterIcon_=new ClusterIcon(this,a.getStyles(),a.getGridSize())}Cluster.prototype.isMarkerAlreadyAdded=function(b){if(this.markers_.indexOf){return this.markers_.indexOf(b)!=-1}else{for(var c=0,a;a=this.markers_[c];c++){if(a==b){return true}}}return false};Cluster.prototype.addMarker=function(b){if(this.isMarkerAlreadyAdded(b)){return false}if(!this.center_){this.center_=b.getPosition();this.calculateBounds_()}else{if(this.averageCenter_){var a=this.markers_.length+1;var f=(this.center_.lat()-b.getPosition().lat())/a;var d=(this.center_.lng()-b.getPosition().lng())/a;var e=this.center_.lat()+f;var c=this.center_.lng()+d;this.center_=new google.maps.LatLng(e,c);this.calculateBounds_()}}if(this.markers_.length==0){b.setMap(this.map_);b.setVisible(true)}else{if(this.markers_.length==1){this.markers_[0].setMap(null);this.markers_[0].setVisible(false)}}b.isAdded=true;this.markers_.push(b);this.updateIcon();return true};Cluster.prototype.getMarkerClusterer=function(){return this.markerClusterer_};Cluster.prototype.getBounds=function(){this.calculateBounds_();return this.bounds_};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 a=new google.maps.LatLngBounds(this.center_,this.center_);this.bounds_=this.markerClusterer_.getExtendedBounds(a)};Cluster.prototype.isMarkerInClusterBounds=function(a){return this.bounds_.contains(a.getPosition())};Cluster.prototype.getMap=function(){return this.map_};Cluster.prototype.updateIcon=function(){var e=this.map_.getZoom();var f=this.markerClusterer_.getMaxZoom();if(e>f){for(var c=0,a;a=this.markers_[c];c++){a.setMap(this.map_);a.setVisible(true)}return}if(this.markers_.length<2){this.clusterIcon_.hide();return}var d=this.markerClusterer_.getStyles().length;var b=this.markerClusterer_.getCalculator()(this.markers_,d);this.clusterIcon_.setCenter(this.center_);this.clusterIcon_.setSums(b);this.clusterIcon_.show()};function ClusterIcon(a,c,b){a.getMarkerClusterer().extend(ClusterIcon,google.maps.OverlayView);this.styles_=c;this.padding_=b||0;this.cluster_=a;this.center_=null;this.map_=a.getMap();this.div_=null;this.sums_=null;this.visible_=false;this.setMap(this.map_)}ClusterIcon.prototype.triggerClusterClick=function(){var a=this.cluster_.getMarkerClusterer();google.maps.event.trigger(a,"clusterclick",this.cluster_);if(a.isZoomOnClick()){this.map_.panTo(this.cluster_.getCenter());this.map_.fitBounds(this.cluster_.getBounds())}};ClusterIcon.prototype.onAdd=function(){this.div_=document.createElement("DIV");if(this.visible_){var c=this.getPosFromLatLng_(this.center_);this.div_.style.cssText=this.createCss(c);this.div_.innerHTML=this.sums_.text}var a=this.getPanes();a.overlayImage.appendChild(this.div_);var b=this;google.maps.event.addDomListener(this.div_,"click",function(){b.triggerClusterClick()})};ClusterIcon.prototype.getPosFromLatLng_=function(b){var a=this.getProjection().fromLatLngToDivPixel(b);a.x-=parseInt(this.width_/2,10);a.y-=parseInt(this.height_/2,10);return a};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(){if(this.div_){this.div_.style.display="none"}this.visible_=false};ClusterIcon.prototype.show=function(){if(this.div_){var a=this.getPosFromLatLng_(this.center_);this.div_.style.cssText=this.createCss(a);this.div_.style.display=""}this.visible_=true};ClusterIcon.prototype.remove=function(){this.setMap(null)};ClusterIcon.prototype.onRemove=function(){if(this.div_&&this.div_.parentNode){this.hide();this.div_.parentNode.removeChild(this.div_);this.div_=null}};ClusterIcon.prototype.setSums=function(a){this.sums_=a;this.text_=a.text;this.index_=a.index;if(this.div_){this.div_.innerHTML=a.text}this.useStyle()};ClusterIcon.prototype.useStyle=function(){var a=Math.max(0,this.sums_.index-1);a=Math.min(this.styles_.length-1,a);var b=this.styles_[a];this.url_=b.url;this.height_=b.height;this.width_=b.width;this.textColor_=b.textColor;this.anchor_=b.anchor;this.textSize_=b.textSize;this.backgroundPosition_=b.backgroundPosition};ClusterIcon.prototype.setCenter=function(a){this.center_=a};ClusterIcon.prototype.createCss=function(e){var d=[];if(document.all){d.push('filter:progid:DXImageTransform.Microsoft.AlphaImageLoader(sizingMethod=scale,src="'+this.url_+'");')}else{d.push("background-image:url("+this.url_+");");var b=this.backgroundPosition_?this.backgroundPosition_:"0 0";d.push("background-position:"+b+";")}if(typeof this.anchor_==="object"){if(typeof this.anchor_[0]==="number"&&this.anchor_[0]>0&&this.anchor_[0]<this.height_){d.push("height:"+(this.height_-this.anchor_[0])+"px; padding-top:"+this.anchor_[0]+"px;")}else{d.push("height:"+this.height_+"px; line-height:"+this.height_+"px;")}if(typeof this.anchor_[1]==="number"&&this.anchor_[1]>0&&this.anchor_[1]<this.width_){d.push("width:"+(this.width_-this.anchor_[1])+"px; padding-left:"+this.anchor_[1]+"px;")}else{d.push("width:"+this.width_+"px; text-align:center;")}}else{d.push("height:"+this.height_+"px; line-height:"+this.height_+"px; width:"+this.width_+"px; text-align:center;")}var a=this.textColor_?this.textColor_:"white";var c=this.textSize_?this.textSize_:14;d.push("cursor:pointer; top:"+e.y+"px; left:"+e.x+"px; color:"+a+"; position:absolute; font-size:"+c+"px; font-family:Arial,sans-serif; font-weight:bold; -moz-text-shadow: 0px 1px 1px #573709; -webkit-text-shadow: 0px 1px 1px #573709; text-shadow: 0px 1px 1px #573709;");return d.join("")};window.MarkerClusterer=MarkerClusterer;MarkerClusterer.prototype.addMarker=MarkerClusterer.prototype.addMarker;MarkerClusterer.prototype.addMarkers=MarkerClusterer.prototype.addMarkers;MarkerClusterer.prototype.clearMarkers=MarkerClusterer.prototype.clearMarkers;MarkerClusterer.prototype.getCalculator=MarkerClusterer.prototype.getCalculator;MarkerClusterer.prototype.getGridSize=MarkerClusterer.prototype.getGridSize;MarkerClusterer.prototype.getExtendedBounds=MarkerClusterer.prototype.getExtendedBounds;MarkerClusterer.prototype.getMap=MarkerClusterer.prototype.getMap;MarkerClusterer.prototype.getMarkers=MarkerClusterer.prototype.getMarkers;MarkerClusterer.prototype.getMaxZoom=MarkerClusterer.prototype.getMaxZoom;MarkerClusterer.prototype.getStyles=MarkerClusterer.prototype.getStyles;MarkerClusterer.prototype.getTotalClusters=MarkerClusterer.prototype.getTotalClusters;MarkerClusterer.prototype.getTotalMarkers=MarkerClusterer.prototype.getTotalMarkers;MarkerClusterer.prototype.redraw=MarkerClusterer.prototype.redraw;MarkerClusterer.prototype.removeMarker=MarkerClusterer.prototype.removeMarker;MarkerClusterer.prototype.removeMarkers=MarkerClusterer.prototype.removeMarkers;MarkerClusterer.prototype.resetViewport=MarkerClusterer.prototype.resetViewport;MarkerClusterer.prototype.setCalculator=MarkerClusterer.prototype.setCalculator;MarkerClusterer.prototype.setGridSize=MarkerClusterer.prototype.setGridSize;MarkerClusterer.prototype.onAdd=MarkerClusterer.prototype.onAdd;MarkerClusterer.prototype.draw=MarkerClusterer.prototype.draw;Cluster.prototype.getCenter=Cluster.prototype.getCenter;Cluster.prototype.getSize=Cluster.prototype.getSize;Cluster.prototype.getMarkers=Cluster.prototype.getMarkers;ClusterIcon.prototype.onAdd=ClusterIcon.prototype.onAdd;ClusterIcon.prototype.draw=ClusterIcon.prototype.draw;ClusterIcon.prototype.onRemove=ClusterIcon.prototype.onRemove;