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

<% if cuser %>
  <% if cuser.banned? Ban::TYPE_MUTE %>
    You have been muted.
  <% else %>
    <% scroll = shoutmsg.domain == "shoutbox" ? "" : "$('#{shoutmsg.domain}').scrollTop = $('#{shoutmsg.domain}').scrollHeight;" %>
    <%= form_for(shoutmsg, remote: true, html: { id: "new_#{shoutmsg.domain}", class: 'new-shout' }) do |f| %>
      <% if shoutmsg.shoutable %>
        <%= f.hidden_field :shoutable_type %>
        <%= f.hidden_field :shoutable_id %>
      <% end %>
      <div class="fields">
        <%= f.text_field :text, size: 12, id: "#{shoutmsg.domain}_text", class: "shout_input" %>
      </div>
      <div class="controls">
        <%= submit_tag "Shout!" %>
      </div>
    <% end %>
  <% end %>
<% end %>

<script type="text/javascript">
$(function () {
  ShoutboxController({
    context: $('<%= "#new_#{shoutmsg.domain}" %>')
  });
});
</script>