var mode = 's';
var lang = document.getElementsByTagName('HTML')[0].getAttribute('lang');

google.load("maps", "2.x");
   
function load() {
      var map = new google.maps.Map2($("map"));
      map.setCenter(new GLatLng(lat,alt), (mode == 'm' ? 16 : 15));
      map.setMapType((mode == 's' ? G_NORMAL_MAP : G_SATELLITE_MAP));
      mode = mode=='s' ? 'm' : 's';
      $('viewmode').value = mode=='s' ? 'view normal map': 'view satellite map';
      map.addControl(new GOverviewMapControl()); // little map  in right corner 	  
      map.openInfoWindowHtml(map.getCenter(), $('wtext').innerHTML);
}
google.setOnLoadCallback(load);