function afficheElement(idpr)
{
  var pr = document.getElementById(idpr);
  pr.style.display = "";
  //pr.style.visibility = "visible";
}


function cacheElement(idpr)
{
  var pr = document.getElementById(idpr);
  pr.style.display = "none";
 // pr.style.visibility = "hidden";
}


function test(idpr)
{
	var pr = document.getElementById(idpr);
	if (pr.style.display=="")
		cacheElement(idpr);
	else
		afficheElement(idpr);

}