url markers problems

HTML

<html>
  <head>
    <title>Google Maps JavaScript API v3 Example: Map Simple</title>
    <meta name="viewport" content="width=device-width, initial-scale=1.0, user-scalable=no">
    <meta charset="utf-8">
    <style>
      html, body, #map_canvas {
        margin: 0;
        padding: 0;
        height: 100%;
      }
    </style>
    <script src="https://maps.googleapis.com/maps/api/js?v=3.exp&sensor=false"></script>
    <script>
      var map;
      function initialize() {
        var mapOptions = {
          zoom: 2,
          center: new google.maps.LatLng(-34.397, 150.644),
          mapTypeId: google.maps.MapTypeId.ROADMAP
        };
        map = new google.maps.Map(document.getElementById('map_canvas'),
            mapOptions);
        
        
        layer = new google.maps.FusionTablesLayer({
          query: {
            select: 'bizCity',
            from: '1yfyijoeC3GwDnnLutBI8IFOH8y2mfZ8LJGUDly4'
          },
        styles: [
  {where: "'bizCatSub' = 'Antique & Classic Motorcycle Dealers'", markerOptions:{ url: "http://pollster.net/test/icons/dealer.png" }}, 
  {where: "'bizCatSub' = 'Other moto business'", markerOptions:{ url: "http://pollster.net/test/icons/othermoto.png" }}, 
  {where: "'bizCatSub' = 'Shop'", markerOptions:{ url: "http://pollster.net/test/icons/shop.png" }}
  ]  

        });

        layer.setMap(map);
        
        
        
      }

      google.maps.event.addDomListener(window, 'load', initialize);
    </script>
  </head>
  <body>
    <div id="map_canvas"></div>
  </body>
</html>

CSS

#map_canvas {
  height: 100%;
}