/* This script and many more are available free online at
	The JavaScript Source!! http://javascript.internet.com
	Created by: Anonymous | http://javascript.internet.com/ */
function toggle_mostra(obj, a){
  var e=document.getElementById(a);
  if(!e)return true;
    e.style.display="block"
  return true;
}

function toggle_nascondi(obj, a){
  var e=document.getElementById(a);
  if(!e)return true;
    e.style.display="none"
  return true;
}

//mostra a e nasconde b
function toggle_mostra2(obj, a, b){
  var e=document.getElementById(a);	
  var f=document.getElementById(b);
  if(!e)return true;
    e.style.display="block"
  if(!f)return true;
    f.style.display="none"
  return true;
}

//nasconde a e mostra b
function toggle_nascondi2(obj, a, b){
  var e=document.getElementById(a);	
  var f=document.getElementById(b);
  if(!e)return true;
    e.style.display="none"
  if(!f)return true;
    f.style.display="block"
  return true;
}