var youtube_player_id = 'youtube_player_id';
function play() {
  the_player.playVideo();
}

// that's the callback function name, do not change it
function onYouTubePlayerReady(playerId) {
  the_player = document.getElementById(playerId);
  setTimeout('play()', 1000);
}

function embedSwf() {
  var flashvars = {};
  var params = { allowScriptAccess: "always" };
  var attributes = { id: youtube_player_id };
  var youtube_video_url = "http://www.youtube.com/v/7XBmwg8fNzU&enablejsapi=1&playerapiid=" + youtube_player_id
  swfobject.embedSWF(youtube_video_url, "blogads_video", "425", "375", "7", null, flashvars, params, attributes);
}