Removing jQuery click and document.ready handlers
Removing jQuery from page load

Fixing bug on page load too
Optimizing code flow
Partial JS rewrite of main function
Modularizing code/debugging
Localizing the tab wrapper class
Moving the "addClass" to the Object prototype
Object prototype to remove class from object(s)
Replacing jQuery method to remove class
Removing extraneous curly brackets
Adding IE9 support
Cleaning up code
Removing jQuery as a requirement