At first - gays must keep the human rights of heterosexuals. So, it means - no gay-parades, no propagand, no childs in gay families - and no marriages in churches, offcourse.
With this restrictions gays would have equal right with heterosexuals and can do anything they want behind their closed door.
Or let them to create all-gay country and migrate there.
You don't live in the United States do you? You seem to have a fundamental misunderstanding of 'human rights' in the United States.
You have no right to prevent a parade because you are offended by one.