function del(location) 
{
	if (confirm('ATTENTION, toute suppression est definitive, proceder ?')) 
	{
		document.location.replace(location);
	}
}
function visibilite(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	if (targetElement.style.display == "none")
	{
		targetElement.style.display = "block" ;
	}
	else
	{
		targetElement.style.display = "none" ;
	}
}