prova questo LINK, e magari il seguente script (ma funzia solo in IE) :

codice:
<SCRIPT LANGUAGE="VBScript">
<!--
On Error Resume Next
lngMP70 = IsObject(CreateObject("WMPlayer.OCX"))

' Windows Media Player 7+ Code
If (lngMP70) Then
  document.write "<OBJECT ID=MediaPlayer "
  document.write " CLASSID=CLSID:6BF52A52-394A-11D3-B153-00C04F79FAA6"
  document.write " standby=""Loading Microsoft Windows Media Player components..."" "
  document.write " TYPE=""application/x-oleobject"" width=""286"" height=""225"">"
  document.write "<PARAM NAME=""url"" VALUE=""filmato.wmv"">"
  document.write "<PARAM NAME=""AutoStart"" VALUE=""true"">"
  document.write "<PARAM NAME=""ShowControls"" VALUE=""1"">"
  document.write "<PARAM NAME=""uiMode"" VALUE=""mini"">"
  document.write "</OBJECT>"

' Windows Media Player 6.4 Code
Else
  document.write "<OBJECT ID=MediaPlayer "
  document.write " CLASSID=CLSID:22d6f312-b0f6-11d0-94ab-0080c74c7e95"
  document.write "CODEBASE=http://activex.microsoft.com/"
  document.write "activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,5,715"
  document.write " standby=""Loading Microsoft Windows Media Player components..."" "
  document.write " TYPE=""application/x-oleobject"" width=""286"" height=""225"">"
  document.write "<PARAM NAME=""FileName"" VALUE=""filmato.wmv"">"
  document.write "<PARAM NAME=""AutoStart"" VALUE=""true"">"
  document.write "<PARAM NAME=""ShowControls"" VALUE=""1"">"
  document.write "</OBJECT>"
End If

-->
</SCRIPT>