A quick fork for adding zhuyin/bopomofo support to the zhongwen extension for chrome.
The original zhongwen extension is here: https://chrome.google.com/extensions/detail/kkmlkkjojmombglmlpbpapmhcaljjkde
% git clone git://github.com/sck/zhongwen-zhuyin.git
zhonwen-zhuyin % wget --no-check-certificate https://github.com/downloads/sck/zhongwen-zhuyin/data.zip
zhonwen-zhuyin % unzip data.zip
Adding to chrome:
Start with step 4: Load the extension
http://code.google.com/chrome/extensions/getstarted.html#load