lib/mongodb_logger/server/views/shared/_top_panel.erb
<div class="topline">
<%= partial(:"shared/tabs") %>
<div class="unit-right">
<% yield_content :right_top_panel %>
</div> <!-- unit-right -->
<div id="ajaxLoader"><img src="<%= asset_path 'spinner.gif' %>" alt="loading..."></div>
</div> <!-- topline -->