styledMapName:"Styled Map",
            styles: styles,
            mapTypeId: "map_style"  
        });
        
        map.setStyle("map_style");
      });
    </script>
  </head>
  <body>
    <h1>GMaps.js style extension - Styled Maps</h1>
    <div class="row">
      <div class="span11">
        <div id="map"></div>
      </div>
      <div class="span6">
        <p>You can easily manage a map style using GMaps.js:</p>
        <pre> var styles = [
  {
    featureType: "road",
    elementType: "geometry",