This is the Styletag bookmarklet source inspired from Pinterest.
This is the stylesheet to render the bookmarklet overlay. It is linked by the javascript.
This is the bookmarklet javascript that the user adds to his bookmark tab
This is the javascript linked by bookmarklet.js. It's a self executing anonymous function that ensures that there will be conflicts with scripts/variables already in the page.
A demonstration of how to include the bookmarklet in a "scrap" page