var map; 
function initialize() { 
  var myLatlng = new google.maps.LatLng(-25.620826,27.641773); 
  var myOptions = { 
    zoom: 10, 
    center: myLatlng, 
    mapTypeId: google.maps.MapTypeId.ROADMAP 
  } 
  map = new google.maps.Map(document.getElementById("map_canvas"), myOptions); 
   
  google.maps.event.addListener(map, 'zoom_changed', function() { 
    setTimeout(moveToDarwin, 3000); 
  }); 
   
  var marker = new google.maps.Marker({ 
      position: myLatlng,  
      map: map, 
      title:"Voelkop" 
  }); 
  google.maps.event.addListener(marker, 'click', function() { 
    map.setZoom(8); 
  }); 
} 
   
function moveToDarwin() { 
  var Voelkop = new google.maps.LatLng(-25.620826,27.6417734); 
  map.setCenter(Voelkop); 
}