ensl.org/app/views/shoutmsgs/_index.html.erb

<script type="text/javascript">
  $(document).ready(function(){
    $.PeriodicalUpdater("/shoutmsgs/<%= object.class.to_s %>.js?id2=<%= object.id %>", {
      method: "GET",
      type: "script",
      minTimeout: 10000,
      multiplier: 2
    });
  });
</script>

<% shoutmsg_new = Shoutmsg.new(shoutable_type: object.class.to_s, shoutable_id: object.id) %>

<div id="<%= shoutmsg_new.domain %>" class="shoutbox-messages">
  <%= render partial: "shoutmsgs/shoutmsg", collection: object.shoutmsgs.recent.reverse, locals: { popup: 'this' } %>
</div>

<%= render partial: "shoutmsgs/new", locals: { shoutmsg: shoutmsg_new, popup: "this" } %>