var f_err_required = 'required field';
var f_err_error = 'Error';
var f_err_warn = 'Warning';

var f_err_input_invalid = 'Invalid characters';
var f_err_input_accepted = 'Allowed characters: ';
var f_err_input_toolong = 'Too many characters';
var f_err_input_tooshort = 'Not enough characters';
var f_err_input_long = 'Few characters';
var f_err_input_short = 'A lot of characters';
var f_err_input_number = 'Only numbers are allowed';
var f_err_input_alpha = 'Only letters are allowed';
var f_err_input_alphanumeric = 'Only letters and numbers are allowed';
var f_err_input_security = 'Message is nog sent, invalid security code';

var f_err_email_error = 'invalid email address';
var f_err_email_warn = 'irregular email address';
var f_err_tel_error = 'invalid telephone number';
var f_err_tel_warn = 'check telephone number';
var f_err_zip_error = 'a zip code uses 4 numbers and 2 letters';

var f_err_formcheck = 'Not all fields contained correct values';