// http://www.experts-exchange.com/Programming/Languages/Scripting/JavaScript/Q_22891726.html?sfQueryTermInfo=1+chang+embed+javascript+onclick

function changeVideo(videoURL)
{      
      var movie = videoURL;
      if(movie.length > 0)
      {
            var player = document.getElementById('player');
            var kids = player.childNodes;
            for(var i=0; i<kids.length; i++)
            {
                  if(kids[i].nodeType ==1)
                  {
                        player.removeChild(kids[i]);
                  }
            }
            var newPlayer = buildEmbed(movie);
            player.appendChild(newPlayer);
      }
}

function buildEmbed(movie)
{
      var embd = document.createElement('embed');
      embd.src = movie;
      embd.type = "application/x-shockwave-flash";
      embd.flashvars="&subtitle=on"
      embd.style.width = "220px";
      embd.style.height = "190px";
      return embd;
}