// Amis
	var n = 12;
//Thèmes
	var t = 5;
	
function Afficher (v)
	{
	for (var i = 0; i<=n; i++)
		{
		document.getElementById('f'+i).style.visibility='hidden';
		} 
	for (var i = 101; i<=100+t; i++)
		{
		document.getElementById('f'+i).style.visibility='hidden';
		} 
	document.getElementById('f'+v).style.visibility='visible';
	}