Senate Majority Leader Harry Reid (D-Nev.) on Tuesday left open the possibility that the Senate may need to work into the weekend to finish its work on the 2010 budget resolution.

“We’re on track to finish it this week. I don’t know when we’re going to finish the budget resolution,— Reid said, predicting the chamber will consider a series of amendments to the budget in a “vote-a-rama— on Thursday.

“We’ll just work as long as we have to. I would hope it doesn’t spill into Saturday, but if it does, it does,— he told reporters.

The House and Senate have been looking to wrap up work on the budget by Friday, with a goal of sending Members to their districts for a two-week Easter recess.

Meanwhile, Reid tried to counter GOP charges that he might employ a fast-track budget procedure to push through health care reform this year. He also dismissed the suggestion that any health care measure would be paid for with revenue from a controversial cap-and-trade energy plan. Republicans have suggested the Democrats are looking to both in floor statements this week.

On energy legislation, Reid said the Senate would follow the lead of House Energy and Commerce Chairman Henry Waxman (D-Calif.), who on Tuesday introduced a sweeping climate change measure that should move out of committee by Memorial Day.

“We know that there’s been a change in direction several times as to what we’re going to do with energy legislation,— Reid said. “So for me to say how we’re going to pay for things now, I’d be way ahead of myself.—