var map = null;
var geocoder = null;


function ginitialize( long, lat ) {
      if (GBrowserIsCompatible()) {
        map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(lat, long), 13);
        geocoder = new GClientGeocoder();
        map.addControl(new GSmallMapControl());
	map.addControl(new GMapTypeControl());
        
        /* create a point object and create overlay */
        var point = new GLatLng(lat, long);
        var marker = new GMarker(point);
        map.addOverlay(marker);
        marker.openInfoWindowHtml(address);
        /* now add control */

      }
}