Redmine/app/views/journals/update.rjs

if @journal.frozen?
  # journal was destroyed
  page.remove "change-#{@journal.id}"
else
  page.replace "journal-#{@journal.id}-notes", render_notes(@journal.issue, @journal, :reply_links => authorize_for('issues', 'edit'))
  page.show "journal-#{@journal.id}-notes"
  page.remove "journal-#{@journal.id}-form"
end

call_hook(:view_journals_update_rjs_bottom, { :page => page, :journal => @journal })