i want insert time equally to all bip from script

[geme9876]

i try like this 

for bip in $Bip001.children

( 

      ## recursive  insertTime 0 50    to all child

)

then

bip neck, inserted 50

bip head, inserted 50 + 50

and a few other bips are same

i want insert time equally to all bip

help