Thread:Extension talk:SmoothGallery/MW1.15 Not Working - Images on top of each other/reply (15)

I think the problems is that addScript sets the script at the end of the page, but window.addEvent (which requires mootools.js) is in the middle. So, changing addScript in addHeadItem only for mootools is enough.

$outputPage->addHeadItem('mootools', ' ' );

Emanuele

P.S. I'm using MW 19+