[SOLVED] My collapsing boxes don't save cookies
 

I tried to make a custom collapsing window based on toggle_collapse() on an external portal.

Everythings work except when I refresh the page, my collapsed box is still expanded.

I have no js errors, and my js file vbulletin_global.js is well loaded.

It might have to do with this js function: fetch_cookie('vbulletin_collapse'), but I don't know where vbulletin_collapse variable is.

What I am doing wrong?

EDIT: I've found my problem. I didn't write a style to be treated in global.php.

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