rack-livereload/skel/livereload.html.erb

<% if with_swf? %>
  <script type="text/javascript">
    WEB_SOCKET_SWF_LOCATION = "/__rack/WebSocketMain.swf";
    <% if force_swf? %>
      WEB_SOCKET_FORCE_FLASH = true;
    <% end %>
  </script>
  <script type="text/javascript" src="<%= app_root %>/__rack/swfobject.js"></script>
  <script type="text/javascript" src="<%= app_root %>/__rack/web_socket.js"></script>
<% end %>
<script type="text/javascript">
  RACK_LIVERELOAD_PORT = <%= @options[:live_reload_port] %>;
</script>
<script type="text/javascript" src="<%= livereload_source %>"></script>