I am not sure how to download the code fro the google source code this is the page that it shows when i go there and i follow these instructions over here
http://engtech.wordpress.com/2007/03/03/howto_google_code_hosting_subversion_tortoisesvn/
but still unable to get the source code as I am not able to find the link that i have to use to download.
http://code.google.com/p/andres-development-resource/source/checkout
This is a Mercurial command, so you need Mercurial, not SVN, to download (clone) that repo.
You can use also, if you want an equivalent for TortoiseSVN, TortoiseHg: