test.html

<style type="text/css">
  #allmap {width: 100%;height: 100%;overflow: hidden;margin:0;}
</style>
<div id="allmap"></div>
<script type="text/javascript" src="http://api.map.baidu.com/api?v=2.0&ak=myTuIQ3Uc0cfVMp8Mhocf5MW"></script>
<script type="text/javascript">
  var map = new BMap.Map("allmap");
  var point = new BMap.Point(116.404, 39.915);
  map.centerAndZoom(point, 15);

  var pt = new BMap.Point(116.417, 39.909);
  var myIcon = new BMap.Icon("http://developer.baidu.com/map/jsdemo/img/fox.gif", new BMap.Size(300,157));
  var marker2 = new BMap.Marker(pt,{icon:myIcon});  // 创建标注
  map.addOverlay(marker2);              // 将标注添加到地图中
</script>