What Causes Elevated Liver Enzymes In Blood?

Hi, I have had some liver test and the found that I have elevated ASTSGOT and ALTSGPT levels...I had stopped all alcohol and aspirin for one month and had the test redone..but the levels increased...I am wondering if the fact that I substituted Perrier water for the wine that I usually drink would have an effect on these levels...I would probably drink about two to three bottles of the water every day.