[AJAX] 處理google地圖移動事件

// 移動地圖後在中心點顯示座標

GEvent.addListener(map, "moveend",

  function() { 

    var center = map.getCenter();

    map.openInfoWindow(map.getCenter(),document.createTextNode(center.toString()));

  }

);

http://klc-km.blogspot.com/2008/03/google-map-api-2.html