ALBANY, N.Y. — This year’s nationally scrutinized battle in New York over whether to legalize gay marriage has attracted big money.

One longtime Albany lobbyist describes it as a “limitless” amount of lobbying dollars and campaign contributions from gay marriage advocates.

Susan Lerner of the good-government group Common Cause says she hasn’t seen anything like the spending over gay marriage since the abortion fights of the 1970s.

Both sides have had commitments of over a million dollars, mostly from national advocates for their position.

A vote could come as soon as Wednesday and is seen as a critical moment in the national movement for gay marriage rights.