URL: http://www.thebay.com/webapp/wcs/stores/servlet/en/thebay/brands/bed-sheets-pillowcases/four-piece-wrinkle-resistant-sheet-set-0102-s16889gh181--24
Browser / Version: Firefox 48.0.1
Operating System: Linux
Problem type: Something else - I'll add details below

Steps to Reproduce

1. Navigate to: http://www.thebay.com/webapp/wcs/stores/servlet/en/thebay/brands/bed-sheets-pillowcases/four-piece-wrinkle-resistant-sheet-set-0102-s16889gh181--24
2. Click "ADD TO BAG"

Expected Behavior:
In Chrome you get a popup asking if you want to check out.

Actual Behavior:
In Firefox you get nothing and in teh console you see:

ReferenceError: _addEventMap is not defined
shoppingActionsJS.AddItem2ShopCartAjax()
common-js-to-include.js:8
shoppingActionsJS.Add2ShopCartAjax()
common-js-to-include.js:8

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