<% @report.hours.collect {|h| h[criterias[level]].to_s}.uniq.each do |value| %>
<% hours_for_value = select_hours(hours, criterias[level], value) -%>
<% next if hours_for_value.empty? -%>
<tr class="<%= criterias.length > level+1 ? 'subtotal' : 'last-level' %>">
<%= ("<td></td>" * level).html_safe %>
<td class="name"><%= format_criteria_value(@report.available_criteria[criterias[level]], value) %></td>
<%= ("<td></td>" * (criterias.length - level - 1)).html_safe -%>
  <% total = 0 -%>
  <% @report.periods.each do |period| -%>
    <% sum = sum_hours(select_hours(hours_for_value, @report.columns, period.to_s)); total += sum -%>
    <td class="hours"><%= html_hours(format_hours(sum)) if sum > 0 %></td>
  <% end -%>
  <td class="hours"><%= html_hours(format_hours(total)) if total > 0 %></td>
</tr>
<% if criterias.length > level+1 -%>
  <%= render(:partial => 'report_criteria', :locals => {:criterias => criterias, :hours => hours_for_value, :level => (level + 1)}) %>
<% end -%>

<% end %>
