CloudSpokes — Magical Disappearing Salesforce Button with jQuery

I just submitted an entry for my second competition at CloudSpokes; here is a link to the page that describes the challenge. This time we were asked to utilize javascript to make a custom button disappear from the account object’s standard page layout if a custom field had a value of “Low.” Here is a video displaying my entry:

CloudSpokes — Magical Disappearing Salesforce Button with jQuery Demo

EDIT: Special thanks to @myduomo for helping me find a bug in my original code!