http://jquery.thewikies.com/swfobject/

$('#hogehoge').flash({
  swf: "http://www.youtube.com/v/"+video_id+"&autoplay=1",
  width: 600,
  height: 600,
  bgcolor:'#000000',
  hasVersion: 10,
  hasVersionFail: function (options) {
   alert('version error');
   return false;
  },
  encodeParams: true,
  flashvars: {
   allowfullscreen: 'true'
  },
}
);