anchor.diff:         !selected('avatar')
       || !selected('filesets[kata]')
       || !selected('filesets[language]');
  -  
  -  // Internet Explorer does not appear to be working with the
  -  // td onclick events. This means the start button is never
  -  // enabled. Work around this by enabling start for IE.
  -  
  -  if (navigator.appName == 'Microsoft Internet Explorer')
  -  {
  -    $('start_button').disabled = false;
  -  }
   }
   
   document.observe('dom:loaded', function() 
  
positive.code:         <tr>
          <% chunk.each_with_index do |avatar,inner| -%>
             <% index = outer*chunk_size + inner -%>
             <td onclick='selection("avatar", "<%=index-%>");'>
               <input id="avatar_<%=index-%>"
                      type="radio"
                      name="avatar"
  
negative.code:   <div class="panel">
      <span class="choose_title"><%=name.capitalize-%>?</span>
      <% FileSet.new(name).choices.each_with_index do |choice,index| -%>
        <div onclick='start_selection("<%=name-%>", "<%=index-%>");'>
          <input id="<%=name-%>_<%=index-%>" 
                 type="radio" 
                 name="filesets[<%=name-%>]" 
  