var _warning_day = 'day';
var _warning_month = 'month';
var _warning_year = 'year';
var _warning_hour = 'hour';
var _warning_minutes = 'minutes';
var _warning_date = ' is not valid.';
var _warning_empty = ' cannot be empty.';
var _warning_nothing_chosen = 'You must choose a value for ';
var _warning_nav = ' does not contain a valid number.';
var _warning_email = ' does not contain a valid email address.';
var _warning_reset = 'Are you sure you want to revert to the initial values?';
var _warning_rightname = ' does not contain a valid name for a right (only capitals and underscores are permitted).';
var _warning_delete_1 = 'Are you sure you want to delete ';
var _warning_delete_2 = '?';
var _warning_problems = 'There were some problems:';
var _warning_problem = 'There was a problem:';
var _warning_contains = ' must contain ';
var _warning_does_not_contain = ' must not contain ';
var _warning_is_equal = ' must be equal to ';
var _warning_is_not_equal = ' must not be equal to ';
var _warning_starts_with = ' must start with ';
var _warning_does_not_start_with = ' must not start with ';
var _warning_ends_on = ' must end on ';
var _warning_does_not_end_on = ' must not end on ';
var _warning_only_letters = ' can only contain letters';
var _warning_only_capitals = ' can only contain capitals';
var _warning_only_non_capitals = ' can only contain lowercase characters';
var _warning_is_greater = ' must be greater than ';
var _warning_is_greater_or_equal = ' must be greater than or equal to ';
var _warning_is_smaller = ' must be smaller than ';
var _warning_is_smaller_or_equal = ' must be smaller than or equal to ';
var _warning_date_time_is_greater = ' must be later than ';
var _warning_date_time_is_greater_or_equal = ' must be later than or equal to ';
var _warning_date_time_is_smaller = ' must be earlier than ';
var _warning_date_time_is_smaller_or_equal = ' must be earlier than or equal to ';