At 11:03 PM 5/13/2008, Slloth wrote...
>I'm pretty sure this isn't normal.  But I noticed today when I am at a
>stop and I have my foot resting on the brake pedal it slowly fades
>till
>the pedal hits the floor.  Is this caused by air in the lines?

Air causes a soft ("spongy") pedal.

You most likely have a bad master cylinder, and fluid is leaking past
the seals. You could have a fluid leak elsewhere, but if that were the
case you would be losing fluid (so check the reservoir).