function cacher_afficher()
{
	document.getElementById('LiensLogin').style.display = "none";
	document.getElementById('formlogin').style.display = "block";
	return false;
}

function afficher_cacher()
{
	document.getElementById('LiensLogin').style.display = "block";
	document.getElementById('formlogin').style.display = "none";
	return false;
}