app/views/locations/display_report_items.html.erb
<table class="tablesorter">
<thead>
<tr>
<th colspan=3>Recent Report Items at the <%= @location.name %></th>
</tr>
</thead>
<tbody id="all_report_items">
<%= render partial: 'report_items' %>
</tbody>
</table>
<%= form_tag url_for(action: 'display_report_items', id: @location.id, more_items: true), remote: true do %>
<%= submit_tag "Display More", data: {disable_with: "Getting new report items..."} %>
<% end %>