9-digitos

9-digitos.js

$('#Telefone')
.mask("(99) 9999-9999?9")
.live('focusout', function (event) {
    var target, phone, element;
    target = (event.currentTarget) ? event.currentTarget : event.srcElement;
    phone = target.value.replace(/\D/g, '');
    element = $(target);
    element.unmask();
    if (phone.length > 10) {
        element.mask("(99) 99999-999?9");
    } else {
        element.mask("(99) 9999-9999?9");
    }
});