anchor.diff:  <h2>Listing <%= @registrations.length %> Registrations</h2>
   
  -<table>
  +<table id='registrations-table'>
   	<thead>
   	  <tr>
  -	  	<td>User</td>
  +	    <td>User</td>
   	    <td>Credit</td>
   			<% @prerequisites.sort_by(&:id).each do |prereq| %>
   			<td><%= prereq.prerequisite_number %></td>
  -			<% end %>
  +		<% end %>
  +	    <td>Recitation</td>
   	  </tr>
   	</thead>
   	
  
positive.code: 					:data => { :remote => true,
  						   :url => url_for(registration),
  						   :method => :put } %>
  	  </tr>
  	<% end %>
  	</tbody>
  
negative.code: 				<% end %>
  				</td>
  			<% end %>
  	    <td id='registration-<%= registration.id %>'>
  		<%= collection_select :recitation_section, :serial,
  				      RecitationSection.all, :serial, :recitation_name,
  				      { :prompt => 'Select Recitation',
  