function show(name)
{
		var x = getObj(name);
		x.visibility = 'visible';

}

function show2(name)
{
		var x = getObj(name);
		x.visibility = 'hidden';
}

function getObj(name)
{
  if (document.getElementById)
  {
    return document.getElementById(name).style;
  }
  else if (document.all)
  {
    return document.all[name].style;
  }
  else if (document.layers)
  {
    return document.layers[name];
  }
  else return false;
}