flash怎么不出来,第一次插flash

<table width="271" height="172" border="0" cellspacing="0" cellpadding="0">
                
                               <tr>
                  <td>
                                            <object classid="clsid:D27CDB6E-AE6D-11cf-96B8-444553540000" codebase="http://download.macromedia.com/pub/shockwave/cabs/flash/swflash.cab#version=7,0,19,0" width="271" height="136" title="sf">
                              <param name="movie" value="~/flash/picture.swf" />
                              <param name="quality" value="high" />
                              <embed src="~/flash/picture.swf" width="150" height="50"  pluginspage="http://www.macromedia.com/go/getflashplayer"
                type="application/x-shockwave-flash"></embed>
</object>
                          </td>
                </tr>
                
              </table>
flash地址在跟目录下flash/picturn.swf,怎么不出来啊