asp.net 页面嵌入flash代码不能播放本地flv视频文件

<object type="application/x-shockwave-flash" data="Scripts/flv.swf" width="650"
        height="500" >
        <param name="quality" value="high" />
       
        <param name="allowFullScreen" value="true" />
        <param name="movie" value="Scripts/flv.swf" />
        <param name="menu" value="false" />
  
         <param name="wmode" value="default" />
      
        <param name="scale" value="noScale" />
      
         <param name="FlashVars" value="vcastr_file=http://vcastr.ruochi.com/video/happy_feet.flv"/>  
         
    </object>     <param name="FlashVars" value="vcastr_file=http://172.16.23.200:8099/videofile/aa.flv"/>本地地址为何不能播放呢，请指点下172.16.23.200:8099发布了web网站，网站下 videofile 为虚拟目录