Change iChat log default location

I used a method that people use when you run an SSD and a hard drive, it's something like this:

http://gigaom.com/apple/how-to-create-and-use-symlinks-on-a-mac/

Is there another way of moving the iChats folder in Documents under Mountain Lion?

Apparently, in earlier version, there was an option within Messages or iChat to save the iChat logs at a different location.

Thanks!