<html>
<head>
<script type="text/javascript" src="http://www.vietbando.com/maps/API/VBDMapAPI.js?key=e7vjH+pgQHuSyV75dwG6hq0WQek+cVqm"></script>
<script type="text/javascript">
function MyOverlay(latlng, img)
{
    this.latlng = latlng;
    this.img = img;

    this.initialize = initialize;
    this.remove = remove;
    this.copy = copy;
    this.redraw = redraw;
    this.vType = vType;

    function initialize(map)
    {
        var myDiv = document.createElement("div");
        myDiv.id = map.id + "MyOverlay";
        myDiv.style.border = "1px solid #ff0000";
        myDiv.style.position = "absolute";
        myDiv.innerHTML = "<img src='" + this.img + "'/>";
        map.getOverlayContainer().appendChild(myDiv);
        this.mapObj = map;
        this.divObj = myDiv;
        this.redraw();
    }

    function remove()
    {
        this.divObj.parentNode.removeChild(this.divObj);
    }

    function copy()
    {
        return new MyOverlay(this.latlng, this.img);
    }

    function redraw()
    {
        var pt = this.mapObj.fromLatLngToDivPixel(this.latlng);
        this.divObj.style.left = pt.x + "px";
        this.divObj.style.top = pt.y + "px";
    }

    function vType()
    {
        return 'MyOverlay';
    }
}
MyOverlay.prototype = new VOverlay();

function loadMap()
{
    if (VBrowserIsCompatible())
    {
       var map = new VMap(document.getElementById('container'));
       map.setCenter(new VLatLng(10.8152328, 106.680505), 4);
       map.addControl(new VScaleControl());
       map.addOverlay(new MyOverlay(new VLatLng(10.9233664, 106.475620), "http://www.vietbando.com/api/images/logo.gif"));
    }
}
</script>
</head>
<body onload="loadMap()">
<div id="container" style="height:500px; position:relative; margin:10px; border:1px #b1c4d5 solid;"></div>
</body>
</html>