An example of the required format for item explorer. This example shows how to color code items. Color can be used to denote items belonging together.
Complete list of examples:
Modified http://www.ankerst.de/lib/itemExplorer_10.min.js to a secure url
https://cdnjs.cloudflare.com/ajax/libs/d3/3.5.6/d3.min.js
https://www.ankerst.de/lib/itemExplorer_10.min.js