// ====== Create a Client Geocoder ======
      var geo = new GClientGeocoder(); 

      // ====== Array for decoding the failure codes ======
      var reasons=[];
      reasons[G_GEO_SUCCESS]            = "Success";
      reasons[G_GEO_MISSING_ADDRESS]    = "Missing Address: The address was either missing or had no value.";
      reasons[G_GEO_UNKNOWN_ADDRESS]    = "Unknown Address:  No corresponding geographic location could be found for the specified address.";
      reasons[G_GEO_UNAVAILABLE_ADDRESS]= "Unavailable Address:  The geocode for the given address cannot be returned due to legal or contractual reasons.";
      reasons[G_GEO_BAD_KEY]            = "Bad Key: The API key is either invalid or does not match the domain for which it was given";
      reasons[G_GEO_TOO_MANY_QUERIES]   = "Too Many Queries: The daily geocoding quota for this site has been exceeded.";
      reasons[G_GEO_SERVER_ERROR]       = "Server error: The geocoding request could not be successfully processed.";
      
      // ====== Geocoding ======
      function showAddress() {
        var plotmarker = document.getElementById("useraddress").value;
        // ====== Perform the Geocoding ======        
        geo.getLocations(plotmarker, function (result)
          { 
            // If that was successful
            if (result.Status.code == G_GEO_SUCCESS) {
              // How many resuts were found
              document.getElementById("message").innerHTML = "Found " +result.Placemark.length +" results";
              // Loop through the results, placing markers
              for (var i=0; i<result.Placemark.length; i++) {
                var p = result.Placemark[i].Point.coordinates;
                var marker = new GMarker(new GLatLng(p[1],p[0]));
                document.getElementById("message").innerHTML += "<br>"+(i+1)+": "+ result.Placemark[i].address + marker.getPoint();
                map.addOverlay(marker);
              }
              // centre the map on the first result
              var p = result.Placemark[0].Point.coordinates;
              map.setCenter(new GLatLng(p[1],p[0]),10);
            }
            // ====== Decode the error status ======
            else {
              var reason="Code "+result.Status.code;
              if (reasons[result.Status.code]) {
                reason = reasons[result.Status.code]
              } 
              alert('Could not find "'+plotmarker+ '" ' + reason);
            }
          }
        );
      }