Sorry, I meant this to be a new post.

This question has been answered to create a "Contract All" and "Expand All" feature.

I think this was done before the (+)(-) was an added feature. It works great, but the plus (+) sign doesn't change to a minus (-) sign when I click "Expand All". The content is expanded, it's just the symbols don't change.

Here's the updated version:

I tried playing with the code, but I couldn't get it.
Any help would be much appreciated.

Thank you