web 播放器遮挡div
<embed height="413" flashvars="file=http%3A%2F%2Flocalhost%2Fmp%2Fmediafiles%2F%E5%B0%91%E5%A5%B3%E6%97%B6%E4%BB%A3-oh!.avi&autostart=1" pluginspage="http://www.adobe.com/go/getflashplayer" src="http://localhost/mp/mediafiles/少女时代-oh!.avi" type="application/x-shockwave-flash" width="407" wmode="transparent" windowlessvideo="1">
flash 添加 wmode="transparent" ，media player 添加windowlessvideo="1"
