VBDAPI

<html>
<head>
<script type="text/javascript" src="/maps/API/VBDMapAPI.js?key=e7vjH+pgQHuSyV75dwG6hq0WQek+cVqm"></script>
<script type="text/javascript">
function loadMap()
{
  if (VBrowserIsCompatible())
  {
     var map = new VMap(document.getElementById('container'));
     var pt = new VLatLng(10.8152328, 106.680505);
     map.setCenter(pt, 4);

     var marker = new VMarker(pt);
     marker.enableDragging();
     map.addOverlay(marker);

     VEvent.addListener(marker, "dragend", function(){
         marker.openInfoWindow("Bạn vừa di chuyển marker.");
     });
  }
}
</script>
</head>
<body onload="loadMap()">
<div id="container" style="height:500px; position:relative; margin:10px; border:1px #b1c4d5 solid;"></div>
</body>
</html>