function toggle(i) {
	var d = document.getElementById("div_"+i);
	var s = document.getElementById("lien_"+i);
    if(d.style.display == "none") {
		s.innerHTML     = s.innerHTML.replace("Voir", "Masquer");
        d.style.display = "block";
    }
    else {
		s.innerHTML     = s.innerHTML.replace("Masquer", "Voir");
        d.style.display = "none";
    }
}