我有一个嵌入的YouTube视频。
<iframe width="490" height="279" src="http://www.youtube.com/embed/X7ab_dVhkWk?version=3&enablejsapi=1" frameborder="0" allowfullscreen></iframe>
封面的超文本:
<embed width="100%" height="100%" id="video-player-flash" type="application/x-shockwave-flash" src="http://s.ytimg.com/yt/swfbin/watch_as3-vflCBBX6J.swf" allowscriptaccess="always" allowfullscreen="true" bgcolor="#000000" flashvars="el=embedded&fexp=904544%2C909703%2C920701&is_html5_mobile_device=false&allow_ratings=1&allow_embed=1&tabsb=1&sendtmp=1&hl=en_US&eurl=http%3A%2F%2Fdev.springcorp.co.uk%2Fhistoricscotland%2Fstirling%2Ffacebook-april2012%2F&iurl=http%3A%2F%2Fi2.ytimg.com%2Fvi%2Fai55pL37saU%2Fhqdefault.jpg&view_count=117&title=Regent%20Arran%20Stirling%20Castle%20TV%20ad%202012&avg_rating=0&video_id=ai55pL37saU&length_seconds=31&iurlmaxres=http%3A%2F%2Fi2.ytimg.com%2Fvi%2Fai55pL37saU%2Fmaxresdefault.jpg&enablejsapi=1&sk=UX8fbMJpKT-VH3IVkWhtN7gCKU1r3TSzC&rel=1&playlist_module=http%3A%2F%2Fs.ytimg.com%2Fyt%2Fswfbin%2Fplaylist_module-vflfGS7wE.swf&iurlsd=http%3A%2F%2Fi2.ytimg.com%2Fvi%2Fai55pL37saU%2Fsddefault.jpg&jsapicallback=ytPlayerOnYouTubePlayerReady&playerapiid=player1&framer=http%3A%2F%2Fdev.springcorp.co.uk%2Fhistoricscotland%2Fstirling%2Ffacebook-april2012%2F">
我怎么能用贾瓦文阻止这一录像?