I found out on another forum that this site has been hacked by a source originating in the Middle East and most, if not all, of the downloadable files deleted. The hackers screen name was listed as Trojan 34.

He has taken credit here, which is where hackers go to brag. http://www.zone-h.org/

Details of the attack are here. http://www.survivalring.org/

The FBI has been called in and has requested the relevant data files. The hackers are reported to be Islamic Extremists who attacking various survival/preparedness websites.