anchor.diff:  
       <%= hidden_field_tag 'layout', 'popup' %>
       <div class="row">
  -      <div class="span3">
  -        <a class="btn" id="annotate_button">
  -          <i class="icon-pencil"></i>
  -          Annotate
  -        </a>
  -      </div>
  -      <div class="span3" style="text-align:right;">
  +      <div class="span6" style="text-align:right;">
           <button id="slideUp" class="btn">Cancel</button>
   
           <%= submit_tag "Submit", class: "btn btn-primary", disable_with: "Submitting..." %>
  
positive.code: <div id="header" class="row-fluid">
    <div class="span6">
      <%= link_to image_tag("factlink_logo71x15.png"), root_path, { target: "_blank" } %>
    </div>
  
    <div class="span6 pull-right" style="text-align: right;">
      <% unless user_signed_in? %>
           <%= link_to "Login to Factlink", new_user_session_path, { target: "_blank" } %>
      <% else %>
  
negative.code:           <input type="checkbox" name="highlight" id="highlight" /> Highlight
          </label>
        </span>
  
        <a class="btn" id="annotate_button">
          <i class="icon-pencil"></i>
          Annotate
        </a>
  
        <span>
          <a class="btn btn-small" id="slideDown">
  