function showHideSwitch (theid) {
  if (document.getElementById) {
    var switch_id = document.getElementById(theid);
    var switch_id_btn = document.getElementById(theid + "Btn");
    if (switch_id.style.display != 'none') {
      switch_id_btn.src = '/misc/showhide/collapsed.gif'
      switch_id.style.display = 'none';
    } else {
      switch_id_btn.src = '/misc/showhide/expanded.gif'
      switch_id.style.display = 'block';
    }
  }
}