<!--
var state = 'none';

function showhide(layer_ref) {
  if (state == 'block') {
    state = 'none';
  } else {
    state = 'block';
  }

  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 showhide2(id) {
  if (document.getElementById) {
    obj = document.getElementById(id);

    if (obj.style.display == "none"){
      obj.style.display = "";
    } else {
      obj.style.display = "none";
    }
  }
} 
//-->