$header = '<link rel="stylesheet" type="text/css" href="ext/modules/front_page/banner_rotator/stylesheet.css" />' . PHP_EOL;
Where the hell is the bannerRotator.js?
I think that without that nothing works. But this is normal here the the famous oS Cmmerce. I used this since almost 5 years and in the meantime I got gray hair over this!