For next loop using: Led var Byte

[b1arrk5]

Try it without the for next loop, just to make sure that your wiring is fine,
portb.0 = 1
pause 1000
portb.0 = 0
pause 1000
portb.1 = 1
pause 1000
portb.1 = 0
pause 1000
portb.2 =1

etc. etc.

Jerry