forked from jakeNiemiec's block: D3 Drag Rectangle with drag handles
forked from uredkar's block: D3 Drag Rectangle with drag handles
Modified http://mbostock.github.com/d3/d3.js to a secure url
https://mbostock.github.com/d3/d3.js
https://ajax.googleapis.com/ajax/libs/jquery/1.7.1/jquery.min.js