var d = document;
  function findObject(id) {
	  var el=d.getElementById?d.getElementById(id):d.all?d.all[id]:d.layers[id];
	  if(d.layers)el.style=el;
   
	  return el;
  }

  function showObject(id) {

    var el = findObject(id);
    el.style.visibility="visible";
  }

  function hideObject(id) {

    var el = findObject(id);
    el.style.visibility="hidden";
  }