gistfile1.js

    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);

              // As this is user-generated content, we display it as
              // text rather than HTML to reduce XSS vulnerabilities.
              marker.openInfoWindow(document.createTextNode(address));
            }
          }
        );
      }