Untitled

<!DOCTYPE html>
<html>
  <body>

    Watch Youtube:<br />
    <input type = "text" id = "videoURL" size = "48" maxlength = "48" value = "" autofocus />
    <button onclick = "showNewVideo()">Show Me</button>
    <p id = "feedback"> </p>

    <object width = "640" height = "385">
      <param name = "movie" value = "http://www.youtube.com/v/EjUbBsJ0Aow" />
      <param name = "allowFullScreen" value = "true" />
      <param name = "allowscriptaccess" value = "always" />
      <embed name = "videoEmbed" src = "http://www.youtube.com/v/EjUbBsJ0Aow"
       type = "application/x-shockwave-flash"
       allowscriptaccess = "always" allowfullscreen = "true"
       width = "640" height = "385" />
    </object>

    <script>

      function showNewVideo() {
        var videoURL = document.getElementById("videoURL");
        var videoId = videoURL.value.split("v=")[1];
        if(videoId) {
          document.getElementById("feedback").innerHTML=" ";
          var newURL = "https://www.youtube.com/v/" + videoId;
          document.getElementsByName("movie")[0].value = newURL;
          document.getElementsByName("videoEmbed")[0].src = newURL;
        } else {
          document.getElementById("feedback").innerHTML="no video id?";
        }
      }
    </script>

  </body>
</html>