bledSubmit'),
            checkbox = document.getElementById('checkbox');

        disabledSubmit.onclick = this.step_func(function() {
            assert_unreached("disabled submit should not have been activated")
        });

        label.click();
        assert_false(checkbox.checked, "checkbox should not be checked")
    }, "If label's 1st child (submit) is disabled, click should have no impact");

    test(function() {
        document.querySelector("#test").innerHTML = '<label id="label" for="checkbo