Milonic JavaScript Menu

Hello,
I'm sorry to ask you for a question you have certainly give an answer ; I've seen the contributions after a search on relative, addressing ... I can't get a good result ; let me explain the situation ;
I work in a local way on my computer ; in the principal directory of my site -let us call ...

Thanks a lot to everyone !
I'm going to try your methods to see what is the better one ! In french we have a proverd saying "The best way is that which gives the result you hope !"
Sincerely,
Noël

Excuse my approximative english !
The problem is the following one : In the directory of my site are many sub directories ; must I put in every one all the .js files ? Or is there a syntax to say that tje .js files are in a directory above the current one ?
Thanks for your help.
Noël