-<% content_for :tab_panes do %>
+<% unless @histogram_pretty_date.nil? %>
+ <% content_for :tab_panes do %>
<%# We use protocol-relative paths here to avoid browsers refusing to load javascript over http in a page that was loaded over https. %>
<%= javascript_include_tag '//cdnjs.cloudflare.com/ajax/libs/raphael/2.1.2/raphael-min.js' %>
<%= javascript_include_tag '//cdnjs.cloudflare.com/ajax/libs/morris.js/0.4.3/morris.min.js' %>
</script>
<div class='graph'>
<h3>Cache Age vs. Disk Utilization</h3>
+ <h4>circa <%= @histogram_pretty_date %></h4>
<div id='cache-age-vs-disk-histogram'>
</div>
</div>
+ <% end %>
<% end %>
<%= content_for :content_top %>
-<%= content_for :tab_line_buttons %>
+<div class="pull-right">
+ <%= content_for :tab_line_buttons %>
+</div>
<%= content_for :tab_panes %>