Enhancing the Chained Select Widget with Dojo FilteringSelects

Enhancing the Chained Select Widget with Dojo FilteringSelects
Since the emergence of JSON, object literals, and JavaScript frameworks like Dojo, setting up chained select boxes does not have to be an ordeal.

For the full story, see:
http://www.webreference.com/programming/dojo/chained-select-widget/