that works pretty good...now how would I do it for....well, let me show you what I have to do:
drop down 1
option 1 -> choices are a,b,c,d,e
option 2 -> choices are a,b,c
option 3 -> choices are a,b,c,d,e,f
drop down 2
option 1a -> choices are 1,2,3
option 1b -> choices are 1,2,3,4,5
option 1c...