they are used to hide texts on forums, and the user needs to click on it to reveal it. How do you use them here?
There would have be a MOD to install I guess -> http://custom.simplemachines.org/mods/index.php?mod=3981 http://custom.simplemachines.org/mods/index.php?mod=2940 (http://custom.simplemachines.org/mods/index.php?mod=3981)
Ah! We used to have this, I guess this feature didn't make it in the last migration. Lemme check just a moment...
Easy enough :)