Board Thread:Support Requests - Getting Technical/@comment-5716479-20130523111016/@comment-5716479-20130523134225

Thanks. Here it's "mw-collapsible" not "collapsible" :)

Still do you know how do you I access those file above?(there is another one at MediaWiki:Common.js/navigationbars.js) I'd like to see the code directly, to avoid guessing games.

EDIT: Actually, that doesn't work. Just to make sure I copied pasted the example from the help article and it doesn't work as well :/