function visibilite(thingId)
{
var targetElement;
targetElement = document.getElementById(thingId) ;

if (targetElement.style.display == "none")

{	targetElement.style.display = "" ;

} else {

	targetElement.style.display = "none" ;

}

}


function visibilite_taille(thingId)
{
var targetElement;
targetElement = document.getElementById(thingId) ;

if (targetElement.style.display == "none")

{	targetElement.style.display = "block" ;

} else {

	targetElement.style.display = "none" ;

}

}