A Way To Run Through Scripts On Entire Document?

what you see below is the code, which is two parts, a highlight part,
and an unhighlight part. Below that is a sample of its use. What I am
trying to do, is have some sort of javascript, or onload command in the
body tag which will go through all of the 20-30 different <div> tags,
and check the settings of each of those radio boxes. Why? because I am
having the data editable in a form. Is there anyway to have say, a
script click each radio box/input box that has been selected or typed
in?

here is the javascript code...