Slideshow business theme on every page
You may have to review your code, your sliding effects javascript file is missing from your other pages except for the front page. 

&lt;script type="text/javascript" src="http://karelmaes.stijnaerts.be/sites/all/themes/business/js/sliding_effect.js?n8jrx6"&gt;&lt;/script&gt;


Above missing.

You can check this out for more information Adding Javascript to themes