function l_email(user, domain, suffix){
document.write('' + user + '@' + domain + '.' + suffix + '');
}
function bl_email(user, domain, suffix){
document.write('' + user + '@' + domain + '.' + suffix + '');
}
function n_email(nev, user, domain, suffix){
document.write('' + nev + '');
}
function nb_email(nev, user, domain, suffix){
document.write('' + nev + '');
}