'Unchecks a checkbox by its name.
Example:
>>> browser.uncheck("send-me-emails")
If you call ``brower.uncheck`` n times, the checkbox keeps unchecked, it never get checked.
To check a checkbox, take a look in the :meth:`check <DriverAPI.check>` method.'

def uncheck(self, name):

    raise NotImplementedError(("%s    doesn't    support    unchecking    elements." % self.driver_name))
