function kadabra(zap) {



	 if (document.getElementById) {
	  var abra = document.getElementById(zap).style;
	  
	  if (abra.display == "block") {
	   abra.display = "none";
	   } else {
	   abra.display= "block";
	  }
	  return false;
	  } else {
	  return true;
	 }
}