function mail(f,email,emailverif){
var reg = new RegExp("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,4})$"); //Expression de mail valide
var address = document.forms[f].elements[email].value; // Trouve l'élément mail
var addressverif = document.forms[f].elements[emailverif].value; // Trouve l'élément mail verif
var b = document.forms[f].elements[email].name;
if(address != "" && reg.test(address) == false) {
document.forms[f].elements[email].style.background='#ff0000';
display_erreur('erreur', 'mail', b);
return false;
}
else if(address != addressverif){
document.forms[f].elements[email].style.background='#ff0000';
display_erreur('erreur', 'mailorthographe', b);
return false;
}
else{
return true;
}
}