var _map = null;
var _geocoder = null;
var _mapContainer = "gmap";

function initialize()
{
  if (GBrowserIsCompatible())
  {
    _map = new GMap2(document.getElementById(_mapContainer));
    _map.setCenter(new GLatLng(37.4419, -122.1419), 13);
    _geocoder = new GClientGeocoder();
    var mapControl = new GMapTypeControl();
    _map.addControl(mapControl);
    _map.addControl(new GSmallMapControl());
  }
}

function showAddress(address) {
  if (_geocoder)
  {
    _geocoder.getLatLng(
      address,
      function(point) {
        if (!point)
        {
          alert(address + " not found");
        }
        else
        {
          _map.setCenter(point, 13);
          var marker = new GMarker(point);
          _map.addOverlay(marker);
        }
      }
    );
  }
}