To see all errors and warnings within your JavaScript please check the two options Show JavaScript Errors and Show JavaScript Warnings.
Well, I will try to get make you a demo as fast as possible. Since, I'm unable to show you the website due to a NDA.
But until I give u a demo, the error is a underscore.js _bindAll is undefined. Which can easly be fixed.. but still wierd it doesn't appear anymore on Firebug.