/*********************************************************************************************

  Rollover Javascript für www.hanna-k.de
  Autor:             Frank Martin König
  Version:           1.0.0
  Letzte Änderung:   20.03.2005
                                                                  (c) 2005 Frank Martin König
*********************************************************************************************/

function toggle_button(button_id, id) {
  if (document.getElementById(id).style.display == 'block')
  {
    document.getElementById(button_id).src  = 'images/bw-more.jpg'
    document.getElementById(id).style.display = 'none';
  }
  else
  {
    document.getElementById(button_id).src  = 'images/bw-close.jpg'
    document.getElementById(id).style.display = 'block';
  }
}

function button_down(button_id, id) {
  if (document.getElementById(id).style.display == 'block')
    document.getElementById(button_id).src  = 'images/bw-close-r.jpg'
  else
    document.getElementById(button_id).src  = 'images/bw-more-r.jpg'
}

function button_out(button_id, id) {
  if (document.getElementById(id).style.display == 'block')
    document.getElementById(button_id).src  = 'images/bw-close.jpg'
  else
    document.getElementById(button_id).src  = 'images/bw-more.jpg'
}