AHA!
The news fader!
Got it, thanks!
ETA: this should fix it: in index.template.php
},
funcOnBeforeExpand: function () {startNewsFader();}
}',!empty($settings['enable_news']) && !empty($context['random_news_line']) ? ',
funcOnBeforeExpand: function () {startNewsFader();}' : '', '
The alternative is to move startNewsFader to script.js (or theme.js) and do the checks there or something, dunno.