This is the code microsoft use: <OBJECT ID="MediaPlayer1" width=160 height=112 classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95" codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf. cab#Version=5,1,52,701" standby="Loading MicrosoftR WindowsR Media Player components..." type="application/x-oleobject"> <PARAM NAME="FileName" VALUE="mms://netshow.microsoft.com/ms/sbnasfs/wmt/turtle28.asf"> <PARAM NAME="ShowControls" VALUE="0"> <EMBED type="application/x-mplayer2" pluginspage = "http://www.microsoft.com/Windows/MediaPlayer/" SRC="mms://netshow.microsoft.com/ms/sbnasfs/wmt/turtle28.asf" name="MediaPlayer1" width=160 height=112 ShowControls=0></EMBED> </OBJECT>