<% this_colour = cycle('lightgrey', 'white') # can only call once for some dumb reason 
%>

<tr class="inbox-row<%= "-unread" if not message_summary.message_read? %>">
  <td class="inbox-sender" bgcolor="<%= this_colour %>"><%= link_to h(message_summary.sender.display_name), :controller => 'user', :action => message_summary.sender.display_name %></td>
  <td class="inbox-subject" bgcolor="<%= this_colour %>"><%= link_to h(message_summary.title), :controller => 'message', :action => 'read', :message_id => message_summary.id  %></td>
  <td class="inbox-sent" bgcolor="<%= this_colour %>"><%= l message_summary.sent_on %></td>
  <% if message_summary.message_read? %>
    <td><%= button_to t('message.message_summary.unread_button'), :controller => 'message', :action => 'mark', :message_id => message_summary.id, :mark => 'unread' %></td>
  <% else %>
    <td><%= button_to t('message.message_summary.read_button'), :controller => 'message', :action => 'mark', :message_id => message_summary.id, :mark => 'read' %></td>
  <% end %>
  <td><%= button_to t('message.message_summary.reply_button'), :controller => 'message', :action => 'reply', :message_id => message_summary.id %></td>
</tr>