Help populating chained select fields

[sks1024]

I have an ajax script that I found on the net and it is a chained select. It works great thwe way it is.  What I want to do is a have one select poulate 3 others exactly with the same info.

 

This is where it is from

 

http://www.dhtmlgoodies.com/index.html?whichScript=ajax_chained_select

 

I want to have 3 selects instead of the one that the example has

 

Thanks