Helium Scraper

I have a couple websites that display the info I want, in eminently scrapeable form- but I have to ask the search function for each record, one at a time, by that record's unique identifier in order to get to the page I can scrape. For records whose unique identifier is a number of a known format wi...

I get the message 'Invalid target element"

http://www.sendspace.com/file/m0hidx