Thread:Project:Support desk/server name/reply (6)

Note, these are not files on the server, they are pages in your wiki. Each user (well sometimes depending on config) has their own personal js page at User:Username/Common.js and User:Username/ .js

However, its really most likely to be located in the page MediaWiki:Common.js. If you provide a link to your wiki, I could perhaps determine where it is rather quickly