2001 Dodge Neon Alternator Belt Replacement

I have a 2001 Dodge Neon, 2.0 L 4Cyl Engine, 73,000 miles. The belt from the engine to the Alternator snapped. I think I have to remove the MAIN belt before I can replace the one from Engine to alternator.... but I don't know how. Please tell me which pullies to loosen so I can replace my belt.

Thank YOU!!!
L.J.