title: What is openInfoWindowHtml and GPolygon in google maps V3
body: <pre><code>   var polygon = new GPolygon(polylines[0],"#FFFFFF", 1, 1.0, color,opacity);
  
    polygon.hid = this.id;
    polygon.heat = this.heat;
  
     google.maps.event.addListener(polygon, 'click', function(point) {
  
      HoodsUnselect(active_hood_id);
      active_hood_id = polygon.hid;
  polygon.setOptions({fillColor: '#2948e4', fillOpacity: 0.50 });
    //polygon.setFillStyle( { color:'#2948e4',opacity:'0.50' } );
  
      if (point) {
        map.openInfoWindowHtml(point, the_list);  // open info window where user clicked
  
      } else {
         map.openInfoWindowHtml(polygon.getBounds().getCenter(), the_list);  // open info window at the center of polygon
      }
    });
  </code></pre>