function visibilite(thingId)
{
var targetElement;
targetElement = document.getElementById(thingId) ;
if (targetElement.style.display == "none")
{
targetElement.style.display = "" ;
} else {
targetElement.style.display = "none" ;
}
}

function ShowInfos(val,nb)
{
	for (i=1;i<=nb;i++) visibilite("droite" + i,"none")
	visibilite(val,"");
}

function visibilite(thingId,val)
{
var targetElement;
targetElement = document.getElementById(thingId) ;
targetElement.style.display = val ;
}