function showtopmap() {
  if (GBrowserIsCompatible()) {
    var map = new GMap2(document.getElementById("top_map_canvas"));
    map.addMapType(G_PHYSICAL_MAP);
    map.setCenter(new GLatLng(33.238687, 130.248413), 11);
    map.addControl(new GLargeMapControl());
    map.addControl(new GScaleControl());
    map.addControl(new GMapTypeControl());
    map.addControl(new GOverviewMapControl(new GSize(150,150)));
    var boundsdec = false;
    var bounds;
    var baseIcon = new GIcon();
baseIcon.shadow = "http://www.fsupport.com/images/shadow.png";
baseIcon.iconSize = new GSize(32, 32);
baseIcon.iconAnchor = new GPoint(16, 32);
baseIcon.infoWindowAnchor = new GPoint(9, 2);
baseIcon.infoShadowAnchor = new GPoint(18, 25);


    
    if(boundsdec)
        {
        var zoomlevel = map.getBoundsZoomLevel(bounds);
        map.setCenter(bounds.getCenter(),zoomlevel);
        }
    }
}
showtopmap();