# File app/helpers/application_helper.rb, line 81
  def collapsed_header(title, &block)
    # Not collision-proof, right. However, odds are quite low!
    div_name = 'comas-collapsed-%d' % (rand * 10000)

    concat('<h3>%s - <span class="note">%s</span></h3>' %
           [title, link_to_function(_('Show'),
                                    visual_effect(:toggle_blind, div_name))],
           block.binding)
    concat('<div id="%s" class="comas-collapsed" style="display: none">' % div_name,
           block.binding)
    yield
    concat '</div>', block.binding
  end