This script works in IE5+/Win, Firefox, Netscape 6+, Opera 7+, Konqueror 3,
Safari, IE5/Mac, and iCab 3. JSON is used to store the prices for the items, so that the
value attribute of the checkboxes can be used for something else, e.g.
a product identification number.
Note: To use this I recommend copying the code found in the
<script> element found before the
element in this document and placing it in a ".js" file that you can call from
your pages with something like