function ajouter_email(obj){
var nom_email
nom_email=obj.Email_ajout.value
window.open("admin/ok/ajoutemail.php?Email_ajout="+nom_email+"&Groupe=Site_Gueguin_Picaud",'','width=350,height=250,left=10,top=10,toolbar=no,location=no,directories=no,status=no,menubar=no,scrollbars=no,resizable=no')
}