anchor.diff:  <script type="text/javascript">
   $(function() {
   	<% i=0; @top_tracks.each do |track| %>
  -	<% if track['mbid'].is_a?(String) %>
   	Playlist.tracks.push({
   		uid: <%= i.to_s() %>,
   		mbid: "<%= track['mbid'] %>",
  
positive.code: 					<thead></thead>
  					<tbody>
  					<% if @top_tracks %>
  						<% i=0; @top_tracks.each do |track| %>
  						<tr id="track-<%= i.to_s() %>" rel="<%= track['mbid'] %>" style="background-color: #FFF"> <!--onclick="javascript:Playlist.play('<%= i.to_s() %>')">-->
  							<td><%= i+1 %></td>
  							<td>
  
negative.code: 		title: "<%= track['name'] %>",
  		similar: []
  	});
  	<% i=i+1; end %>
  	
  	<% if @autoplay == '1' %>
  	// Need to wait until the youtube player initializes
  