Uncaught TypeError: Object #<Object> has no method ‘addTest’ avia.js:1807
Uncaught TypeError: Cannot read property ‘prototype’ of undefined avia.js:308
This plugin seems to be causing the conflict:
Their support forum suggested asking here.
Let me tag the rest of the support team.
Better way is to find another plugin that will not conflict with the theme.
I tagged it for Kriesi – maybe he knows the plugin or a quick fix for avia.js. Personally I’m not familiar with http://wordpress.org/support/plugin/all-in-one-event-calendar