this is my code :
<!DOCTYPE html PUBLIC "-//WAPFORUM//DTD XHTML Mobile 1.0//EN" "http://www.wapforum.org/DTD/xhtml-mobile10.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" >
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<meta name="viewport" content="width=device-width,minimum-scale=1.0,maximum-scale=1.0,user-scalable=no">
</head>
<body onload="initialize()" onunload="GUnload()">
<style type="text/css">
</style>
<div id="map_canvas" style="width: 500px; height: 300px;float:left;"></div>
<div id=b style="width: 50px; height: 50px;background:red;float:left;margin-left:300px;"></div>
<script src="jquery-1.4.2.js" type="text/javascript"></script>
<script src="jquery-ui-1.8rc3.custom.min.js" type="text/javascript"></script>
<script src="http://ditu.google.cn/maps?file=api&amp;v=2&amp;key=ABQIAAAA-7cuV3vqp7w6zUNiN_F4uBRi_j0U6kJrkFvY4-OX2XYmEAa76BSNz0ifabgugotzJgrxyodPDmheRA&sensor=false"type="text/javascript"></script>
<script type="text/javascript">
//**********
function initialize() {
if (GBrowserIsCompatible()) {
//
function createMarker(point, number) {
var marker = new GMarker(point);
var message = ["这","是","个","秘密","消息"];
marker.value = number;
GEvent.addListener(marker, "click", function() {
var myHtml = "<b>#" + number + "</b><br/>" + message[number -1];
map.openInfoWindowHtml(point, myHtml);
});
return marker;
}
//
var map = new GMap2(document.getElementById("map_canvas"));
map.setCenter(new GLatLng(39.9493, 116.3975), 13);
// Add 5 markers to the map at random locations
var bounds = map.getBounds();
var southWest = bounds.getSouthWest();
var northEast = bounds.getNorthEast();
var lngSpan = northEast.lng() - southWest.lng();
var latSpan = northEast.lat() - southWest.lat();
for (var i = 0; i < 5; i++) {
var point = new GLatLng(southWest.lat() + latSpan * Math.random(),
southWest.lng() + lngSpan * Math.random());
map.addOverlay(createMarker(point, i + 1));
}
}
}
//*************
$("#b").draggable();
</script>
</body>
</html>