Microsoft Blog- International Language Headers IE7

[BillW]

In addition to the more prominent work we’ve done to enable international scenarios (like adding support for International Domain Names), Internet Explorer 7 updates the available values for the Accept-Language header. Accept-Language is an HTTP header sent to the server by the browser to indicate the user’s language and locale.

http://blogs.msdn.com/ie/archive/200...xplorer-7.aspx