anchor.diff:  <table class="diary">
     <thead>
       <tr>
  +      <th>Organisation</th>
         <th>When</th>
         <th>Description</th>
         <th>Value</th>
  
positive.code:   <tbody>
  <% @timesheet_entries.each do |e| -%>
      <tr>
        <th><%= format_time(e.started_at) %>
        <td><%= h(e.description) %></td>
        <td><%= h(e.invoice_value) %></td>
        <td><%= e.minutes %>m</td>
        <td><%= h(e.user.name) %></td>
      </tr>
  <% end -%>
    </tbody>
  
negative.code: <% @staff.each do |member| -%>
      <tr>
        <td><%= h member.name %></td>
        <td class="numeric"><%= number_to_currency(amount_invoiced_by(member, 30, 1), :unit => '£') %></td>
        <td class="numeric"><%= number_to_currency(amount_invoiced_by(member, 91, 1), :unit => '£') %></td>
      </tr>
  <% end -%>
    </tbody>
  