function verif(email) {
	var arobase = email.indexOf("@")
	var point = email.lastIndexOf(".")
	if((arobase < 2)||(point + 2 > email.length)||(point < arobase+2)) { alert('Cet e-mail n\'est pas valide !');
	document.getElementById("erreur_image").style.visibility="visible";
	return false }
	else { document.newsletter.submit();return true;
    }
}

function test_commande(){
var nom = document.getElementById('nom').value;
var prenom = document.getElementById('prenom').value;
var tel = document.getElementById('tel').value;
var email = document.getElementById('email2').value;
var societe = document.getElementById('societe').value;
var msg = document.getElementById('message').value;
/*
var sandwich0 = document.getElementById('sandwich0').value;
var sandwich1 = document.getElementById('sandwich1').value;
var sandwich2 = document.getElementById('sandwich2').value;
var sandwich3 = document.getElementById('sandwich3').value;
var sandwich4 = document.getElementById('sandwich4').value;
*/

/*if(document.commande.crud.checked) { crud="Oui"; } else { crud="Crudites : Non"; } 
if(document.commande.supp_crud.checked) { supp_crud="Oui"; } else { supp_crud="Non"; } 
if(document.commande.pain[0].checked) { pain="Pain blanc"; }
if(document.commande.pain[1].checked) { pain="Pain multi-céréales"; }*/
//var qte = document.getElementById('qte').value;

if(nom=="" || prenom=="" || tel=="" || email=="" || msg=="")
{ alert( 'Veuillez remplir les champs obligatoires et choisir au moins un sandwich.');

}
else 
  document.commande.submit();
}