<!--
function ShowHide(layer_ref,state) {
 if (document.all) { //IS IE 4 or 5 (or 6 beta)
  eval( 'document.all.' + layer_ref + '.style.display = state');
 }
 if (document.layers) { //IS NETSCAPE 4 or below
  document.layers[layer_ref].display = state;
 }
 if (document.getElementById &&!document.all) {
  hza = document.getElementById(layer_ref);
  hza.style.display = state;
 }
}

function AutoShowHide(layer_ref) {
 if (document.all) { //IS IE 4 or 5 (or 6 beta)
  if (document.all[layer_ref].style.display == 'none') {
   document.all[layer_ref].style.display = "block";
  } else {
   document.all[layer_ref].style.display = "none";
  }
 }
 if (document.layers) { //IS NETSCAPE 4 or below
  if (document.layers[layer_ref].style.display == 'none') {
   document.layers[layer_ref].style.display = "block";
  } else {
   document.layers[layer_ref].style.display = "none";
  }
 }
 if (document.getElementById &&!document.all) {
  if (document.getElementById(layer_ref).style.display == 'none') {
   document.getElementById(layer_ref).style.display = "block";
  } else {
   document.getElementById(layer_ref).style.display = "none";
  }
 }
}
//-->