function valider(formulaire) {
	var sourceid = document.getElementById("sourceid").value;
	var listcode = document.getElementById("listcode").value;
	var emailaddress = document.getElementById("emailaddress").value;
	var adresse = document.getElementById("adresse");
	var redir = document.getElementById("redir");
	var email = document.getElementById("email").value;
	if(emailaddress == "" && email == "") {
	  alert("L'e-mail ne peut pas être vide");
	  return false;
	} else {
	  if(email == "") {
		  adresse.value = "http://www.moneyweek.fr/bienvenue/confirmation.php?sourceid=" + sourceid + "&listcode=" + listcode + "&emailaddress=" + emailaddress;
			document.forms[formulaire].submit();
			return true;
		} else {
		  redir.value = "http://www.moneyweek.fr/bienvenue/confirmation.php?sourceid=" + sourceid + "&listcode=" + listcode + "&emailaddress=" + email;
			document.forms[formulaire].submit();
			return true;
		}
	}
}