Is it possible to implement an animated nav "Toolbox" UI with hover/click image maps within HTML5 for an email ad?

FOR E-MAIL HTML5 image

In theory, I have wire-framed a "toolbar" navigation box (Nav overlay w/ animation) that will allow user to hover and click categories within a set of topics - and upon selection- a static display box with useful information opens to the right. This display box includes relative information to image links to blogs, resources, etc. from the e-mail advertisement.

I understand the limitations of HTML5 within e-mail marketing, but I am familiar with image mapping and available hover qualities that exist. Yet, I am unfamiliar with the possibilities of making an animated sidebar navigation UI in bottom-fold content. My client really wants to make this happen, and I am unsure how to make this deliverable.

My apologies if the wording of my question is difficult to understand- I am brand new to this site and I am unsure how to dictate my problem in the most effective way - I have provided an image of my UI above. Thanks for your help.