LastFM-Widget.js

<script type="text/javascript">
  google.load("jquery", "1.3.2");
</script>

<script type="text/javascript">
  function show_last_track(JSONdata) {
    var last_track      = JSONdata.recenttracks.track;
    var track_artist    = last_track.artist['#text'];
    var track_name      = last_track.name;
    var track           = track_artist + " - " + track_name;
    $('#song').text(track);
  }
</script>