// JavaScript Document

	
		function switchvisibility(nom) {
		   	var obj = document.getElementById(nom);
			if (obj.style.visibility=="visible")	{
				obj.style.visibility="hidden";
				obj.style.display="none";
				}
			else {
				obj.style.visibility="visible"
				obj.style.display="block";
				}
		}
		
		function affiche(nom) {
			
			//hideall();
     		 switchvisibility(nom);
		}