Getting Item Pricing - Fixing NS' Mistakes

Hello;

We have a custom script developed for us that apparently isn't working.  And since I just LOOOOOVE fixing what I didn't write, I am throughly confused on what exactly is going on here. 

Edit: I think I am making better sense of this all.  This does have to do with 2009.2 and the Matrix Pricing changes.  However, I'm not sure I fully understand the new system - part of that is that there are some broken images in the help page for this new feature.

So what we had here was a function that was written that accepted an item record and a price level id.  It did a loop through all the pricing levels for an item and matched each price level id to the price level id, and when there was a match, it saved the price for that iteration.  Fairly clunky, but I presume that was what needed to be done prior to the Matrix changes.