This really isn't related to 3rd-party client development for Battle.net, which is really what this forum is for.
Also, it's such a general question I just want to ask: really?
This topic has been moved to Web Development (http://forum.valhallalegends.com/index.php?board=22).
http://forum.valhallalegends.com/index.php?topic=18014.0 (http://forum.valhallalegends.com/index.php?topic=18014.0)