Code does not work for this site. Any idea why?

1) You're sending request/headers in a manner not pleasing to target website

2) network failure 3) something else , see Re: Getting Cookies (webbug), Re: "Clicking" a button with WWW::Mechanize (firefox for javascript), Re: get ? (LWP/HTTP/Headers), Re^2: Screen scraping, Re: printing to a local printer from IIS 7.5 and server 2008 r2 (HTTP)...