anchor.diff:        </tbody>
       <% end %>
       </table>
  +
  +    <%= form_tag 'access_control', 
  +      html: { class: "form-vertical"} do %>
  +        <%= text_field_tag :value %>
  +        <%= select_tag :scope, options_for_select(['Group', 'User']) %>
  +        <%= submit_tag 'Add' %>
  +    <% end %>
  + 
   </div>
   
       <%= vid.actions do |actions| %>
  
positive.code:       </tbody>
      <% end %>
      
        <thead>
          <tr>
            <td rowspan="2">Groups</td>
          </tr>
        </thead>
        <% unless users.empty? %>
          <tbody>
            <% users.each do |user| %>
          <tr>
            <td><%= user %></td>
            <td class="controls">[delete]</td>  
  
negative.code:     <div class="whitespace" id="exceptions">
      <h4>Exceptions</h4>
      <table class="table table-striped table-hover">
        <% unless @mediaobject.groups.empty? %>
        <thead>
          <tr>
            <td rowspan="2">Groups</td>
          </tr>
        </thead>
          <tbody>
            <% @mediaobject.groups.each do |group| %>
          <tr>
            <td><%= group %></td>
            <td class="controls">[delete]</td>  
  