Help, Support and FAQ theme / Q&A Plugin crashing in IE8

The site with only the theme and plugin installed is crashing in ie8. Works on ie10, chrome and firefox.

http://supplyzone.wphajoca.com/

I am using Multisite

Q&A plugin is only active on this single site, I have a few other plugins network activated:
FS Contact Form
Domain Mapping
Google Analytics
Google Fonts
CSS & Javascript Toolbox