function initialize() {
      if (GBrowserIsCompatible()) {
        var map = new GMap2(document.getElementById("map_canvas"));
        map.setCenter(new GLatLng(53.136521, 23.070736), 15);
        var marker = new GMarker(map.getCenter());
        map.addOverlay(marker);
        marker.openInfoWindowHtml("Serwis Tech-Car<br />ul. Elewatorska 17C<br />15-620 Białystok");
        map.setUIToDefault();
      }
}