Adding an element to data for Bgl_comp

I have eventually managed to produce a bgl file for a windsock, by dropping the appropriate text file into the Bglcomp exe file. What I need to kbow now is how to add a parameter to this file i.e. change the colour of a windsock pole.
the text file reads:-
poleHeight="13.5"
sockLength="10.5"
lighted="TRUE">
The specified data to change the pole color reads:-
red=
the text file reads:-
sockLength="10.5"
lighted="TRUE">
The specified data to change the pole color reads:-