(1) The power of the court to grant an injunction restraining a person from engaging in conduct (however described) may be exercised--
(a) whether or not it appears to the court that the person intends to engage again, or to continue to engage, in conduct of that kind; and
(b) whether or not the person has previously engaged in conduct of that kind.
(2) An interim injunction may be granted under this part until the application is finally decided.
(3) The court may rescind or vary an injunction at any time.