anchor.diff:      <div class="controls">
         <%= select_tag "bundles", options_for_select([ "" ] + @bundle_names.values.sort, @selected_bundle || 'all') %>
       </div>
  +
  +    <label for="events" class="control-label">Filter by event type</label>
  +    <div class="controls">
  +      <%= select_tag "event_types", options_for_select('<option value="all">ALL</option><option value="create">CREATE</option><option value="phase">PHASE</option><option value="change">CHANGE</option><option value="cancel">CANCEL</option><option value="invoice">INVOICE</option><option value="payment">PAYMENT</option><option value="refund">REFUND</option><option value="chargeback">CHARGEBACK</option>'.html_safe) %>
  +    </div>
  +
       <dl class="dl-horizontal">
         <dt>Billing timezone:</dt>
         <dd><%= @account.timezone %></dd>
  
positive.code:       <% @timeline.payments.each do |payment| %>
          <% payment.chargebacks.each do |chargeback| %>
          <% bundles = payment.bundle_keys.split(",").map {|bundle_key| @bundle_names[bundle_key] }.join(",") %>
          <tr title="<%= bundles %>">
            <td>
              <% if chargeback.effective_date.present? %>
                <%= format_date(chargeback.effective_date, @account.timezone).html_safe %>
  
negative.code:         <% else %>
            <% invoice = invoice_stub %>
          <% end %>
          <tr title="<%= bundles %>" data-event_type="INVOICE">
            <td>
              <% if invoice.invoice_date.present? %>
                <%= invoice.invoice_date %>
  