var geocoder = null;
var map = null;

function initialize() {
    if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("contact_map"));
        geocoder = new GClientGeocoder();
        map.addControl(new GSmallMapControl());

        showAddress($_confAddrMap);
    }
}

function showAddress(address) {
      if (geocoder) {
        geocoder.getLatLng(
          address,
          function(point) {
            if (!point) {

            } else {

              var marker = new GMarker(point);
              map.addOverlay(marker);
              map.setCenter(point, 13);
            }
          }
        );
      }
    }