anchor.diff:      Script = [
               <<"\n\n<script type='text/javascript'>\n$(function() {\n">>,
                   z_script:get_page_startup_script(Context),
  -                z_script:get_script(Context), 
  +                z_script:get_script(Context),
                   <<"z_init_postback_forms();\nz_default_form_postback = \"">>, DefaultFormPostback, $", $;,
               <<"\n});\n</script>\n">>
              ],
  
positive.code:         _ ->
              Context
      end.
      
  %% @doc Ensure that we have parsed the query string, fetch body if necessary
  ensure_qs(Context) ->
      case proplists:lookup('q', Context#context.props) of
  
negative.code:             Context2 = z_auth:logon_from_session(Context1),
              add_nocache_headers(Context2);
          _ ->
              Context
      end.
  
  %% @doc Ensure that we have a visitor, start a new visitor process when needed
  ensure_visitor(Context) ->
      case Context#context.visitor_pid of
          undefined ->
              z_visitor_manager:ensure_visitor(Context);
          _ ->
              Context
      end.
  
  %% @doc Ensure that we have a page session, used for comet and postback requests
  