Buss p What do I do now ?

I Lost my buss p that costs like 30 something dollars the month one now what do i do i lost it during the bus i was sleeping and and got off i dk how the hell i could have forget it there i am so disappointed but it was going to expire any ways like this tuesday 2/10/09 but still now i have to pay 2.50 and because i take 4 buses home and back to school if my parents find out they'll kill me but and i already owe this ***** 3 dollars any works of advice or consolation?