function aff2(vari) 
{
	var objet = document.getElementById(vari);
	
	if (objet && objet.style.display == 'block')
		objet.style.display = "none";
	else
		objet.style.display = "block";  
}

function cache(vari) 
{
	document.getElementById(vari).style.display = "none";
}

function aff(vari) 
{
	document.getElementById(vari).style.display = "block";
}