function ouvre(url_id){
window.open("add_click.php?id="+url_id, "Downloading", "toolbar=no, location=no, directories=no, status=no, scrollbars=no, resizable=no, copyhistory=no, width=20, height=15, left=300, top=50");
}

function ouvre_mail(user_mail){
window.open("mail.php?email="+user_mail, "Mail", "toolbar=no, location=no, directories=no, status=no, scrollbars=no, resizable=no, copyhistory=no, width=20, height=15, left=300, top=50");
}