Ho usato questo codice per embeddare un video WMV :
codice:
<object id="MediaPlayer1"
width=320 height=386
classid="CLSID:22D6F312-B0F6-11D0-94AB-0080C74C7E95"
codebase="http://activex.microsoft.com/activex/controls/mplayer/en/nsmp2inf.cab#Version=6,4,7,1112"
standby="Loading..."
type="application/x-oleobject">
<param name="FileName" value="video/uomo_gatto.wmv">
<param name="ShowStatusBar" value="true">
<param name="ShowDisplay" value="true">
<embed type="application/x-mplayer2"
name="MediaPlayer1"
pluginspage = "http://www.microsoft.com/Windows/MediaPlayer/index.htm"
width="320"
height="386"
src="video/uomo_gatto.wmv"
showstatusbar="1"
showdisplay="1"> </embed> </object>
Ma in mozilla appare windows media player, ma non il video 
Mica è impossibile?