synerluv

ok guys i have seen that in DLC windows media center,when i play .wmv files in firefox in direct open wmp and plays movies in wmp,but in others OS(windows like xp,vista,7)we need wmp plug in to play .wmv files that plays .wmv files in firefox webpage,but i want to play .wmv files direct in windows media play,does anyone have idea how we can do this in windows 7