var lang_name_is_free = "Username is free.";
var lang_name_is_full = "Username is already registered.";
var lang_name_is_forbidden = "Username is forbidden.";

var lang_mail_is_free = "E-mail is ok.";
var lang_mail_is_full = "E-mail s already registered.";
var lang_mail_is_forbidden = "Bad e-mail.";

var lang_checking = "checking...";