ClickNRace browser support only includes Google Chrome and Safari (both run on PC and MAC).
Google Chrome is ClickNRace's
#1 recommended Browser that best supports the application.
Unfortunately you won't be able to logon to the system using your current browser (we determined that you are currently using ).
However, this is an easy fix. Just switch to one of the two supported browsers or (if you don't have either installed already) get Google Chrome right now: