js 获取mediaplayer 下载百分比

Question

<object id="wmplayer" codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=6,4,7,1112 
type=application/x-oleobject classid=clsid:6bf52a52-394a-11d3-b153-00c04f79faa6>
<param name="invokeurls" value="false">
<param name="volume" value="100">
<param name="playstatechange" value="onstatechange">
<param name="url" value="">
</object><srcipt>
alert(wmplayer.network.downloadProgress);//下载的百分比
</script>
获取到得值始终是100，不知道为什么，，我把网速限制到很低，，播放还是100那位大侠帮忙看一下

Answer 1

<object id="wmplayer" codebase=http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#version=6,4,7,1112 
type=application/x-oleobject classid=clsid:6bf52a52-394a-11d3-b153-00c04f79faa6> 
<param name="invokeurls" value="false"> 
<param name="volume" value="100"> 
<param name="playstatechange" value="onstatechange"> 
<param name="url" value=""> 
</object> <srcipt> 
alert(wmplayer.network.downloadProgress);//下载的百分比 
</script>