Defines a timed video element in an HTML document.
accelerate , autoReverse , begin , beginAfter , beginEvent , beginWith , clipBegin , clipEnd , clockSource , decelerate , dur , end , endEvent , endHold , eventRestart , img , player , playerObject , repeat , repeatDur , src , syncBehavior , syncTolerance , timeAction , type
beginElement , endElement
onbegin , onend , onmediacomplete , onmedialoadfailed , onmediaslip , onpause , onrepeat , onresume , onresync , onreverse , onscriptcommand