Custom Script Wanted (php, MySQL and ajax)

I need a php script, linked with a MySQL DB, that will do the following:
The page will be formatted to for 3 columns of data:
Column#1: Will show multiple drown-down menus (options coming from the DB)
Column#2: Results (itemized list from the DB) will be displayed based on column#1 selection
Column#3: Items highlighted on column#2 will be displayed here
(you should be able to copy full selection on column#2 or #3)

Here's an example of the criteria:
-Let's say column#1 has 1 drop-down…
Custom Script Wanted (php, MySQL and ajax)

See original post by mcmuney