Your website is throwing multiple javascript errors. In the first instance this is because of a seriously badly-written theme that is breaking all of the rules of the WordPress API. Something called jquery Updater (I have no idea what that is) is also causing problems and – to be honest – that is as far as I got because if the above are not fixed then there is little point in finding others as they are the root problem.
This codex article explains what this means and what to look for:
http://codex.simple-press.com/codex/faq/troubleshooting/what-is-this-jquery-conflict/