function visibilite(thingId)
{
	var targetElement;
	targetElement = document.getElementById(thingId) ;
	if (targetElement.style.display == "none")
	{
		targetElement.style.display = "" ;
	} else {
		targetElement.style.display = "none" ;
	}
}
/*function changeLien(id)
{
	var ns4=document.layers
	var ie4=document.all
	var ns6=document.getElementById&&!document.all

	if (ns4) {
		document.eval(id).document.write("Show text");
		document.eval(id).document.close();
	}
	else if (ns6) {
		document.getElementById(id).innerHTML = "Show text";
	}
	else if (ie4) {
		eval(id).innerHTML = "Show text";
	}
}*/