Perhaps these articles about LCID regional settings will give you some ideas:
Using the Locale Identifier (LCID), Part 2 by Scott Mitchell
http://4guysfromrolla.com/webtech/031401-1.2.shtml
Session.LCID = 1061 'Estonian Locale ID
HOWTO: Set the ASP Locale ID Per the Browser's Language Settings
http://support.microsoft.com/?id=229690
When you create an Active Server Pages (ASP) application that multiple internation sites access, it is beneficial to modify the Locale settings so that the VBScript Date, Time, Currency, and so forth formats return the correct format for the location of the user.
Visual Basic Scripting Edition - Locale ID (LCID) Chart
http://msdn.microsoft.com/library/de.../vsmsclcid.asp
English - United Kingdom is 2057
English - United States is 1033