var STR_REQUIRED_FIELD='This field is required.';
var STR_VALIDATE_NUMBER='Please enter a valid number in this field.';
var STR_VALIDATE_DIGITS='Enter only numbers in this field. Avoid spaces or other characters such as dots or commas.';
var STR_VALIDATE_ALPHA='Use only letters (a-z) in this field.';
var STR_VALIDATE_URL='Please enter a valid URL.';
var STR_VALIDATE_EMAIL='Please enter a valid email address.';
var STR_VALIDATE_ALPHANUM='Enter only letters (a-z) or numbers (0-9) in this field. No spaces or other characters.';
var STR_VALIDATE_SELECTION='Make a selection';
var STR_VALIDATE_ONE_OPTION='Select one of the options.';
var STR_VALIDATE_DATE='Enter a date in the format dd/mm/yyyy';
var STR_VALIDATE_LIST='Add at least one item in this list.';