function initialize() {
  var map = new GMap2(document.getElementById("map_canvas"));
  map.setCenter(new GLatLng(37.797967,-122.394154), 16);
  map.setMapType(G_SATELLITE_MAP);
  
  var point = new GLatLng(37.0625,-95.677068);
  map.addOverlay(new GMarker(point));
  }