Change Font to certain heading using macro

something got corrupt on my word 2003 file.

i lost all my "heading" 1, 2,3.

Is there a way that i can change all the

1. Normal + Arial, (Latin) 16 pt, (Latin) Bold

into

"heading 1"

2.

Normal + Arial, (Latin) 14 pt, (Latin) Bold, (Latin) Italic

into heading 2

3.
the heading 3 got saved.. not sure why!?

thank you
jason
jsvlad@gmail.com