document.write('<script type="text/javascript" src="http://maps.google.com/maps/api/js?sensor=false"></script> ');

window.onload = initialize;

  var map;
  function initialize() {
    var myLatlng = new google.maps.LatLng(35.5152578, 135.7512712);
    var myOptions = {
      zoom: 17,
      center: myLatlng,
      mapTypeId: google.maps.MapTypeId.ROADMAP
    }
    map = new google.maps.Map(document.getElementById("map"), myOptions);
 
    google.maps.event.addListener(map, 'zoom_changed', function() {
      setTimeout(moveToDarwin, 1500);
    });
 
    var marker = new google.maps.Marker({
        position: myLatlng, 
        map: map
    });
	
  }
 
  function moveToDarwin() {
    var darwin = new google.maps.LatLng(35.5152578, 135.7512712);
    map.setCenter(darwin);
  }