Build a javascript bookmarklet

Build a a javascript bookmarklet within 5 days for a working prototype. (After the prototype was completed, could be longer term collaboration for a larger project). Please see in the attachment for mockups that 1. before apply the bookmarklet and 2. after the bookmarklet is applied The main feature: 1. This bookmarklet selects parts of the text on a webpage. (mainly includes adjectives, pronouns, etc) 2. Then changes those identified texts's CSS code(text color and background). Additional feature: 1. every time you refresh, different texts will be selected. 2. And text color and background also changes slightly different a similar example [login to view URL]