public void Process()
        {
            var context = HttpContext.Current;

            var rawURL = context.Request.RawUrl;
            var querystring = String.Empty;
            var urlParts = rawURL.Split('?');
            var url = urlParts[0];
            if (urlParts.Count() == 2) querystring = urlParts[1];
            if (url.StartsWith("/")) url = url.Substring(1);

            // Static resources
            if(url.EndsWith(".png") || url.EndsWith(".css"))
            {
                return;
            }

            // Get language component
            Translation.Language inLanguage = null;
            {
                foreach (var lang in Translation.Language.GetAllLanguages())
                {
                    if (url.StartsWith(lang.LanguageTag, StringComparison.CurrentCultureIgnoreCase))
                    {
                        inLanguage = lang;
                        url = url.Substring(lang.LanguageTag.Length);
                        if (url.StartsWith("/")) url = url.Substring(1);
                        break;
                    }
                }
                if (inLanguage == null)
                {
                    inLanguage = Translation.Language.GetLanguage(Settings.Translation.ProjectReferenceVersionRequiredLanguageTag);
                }
            }

            // Querystring
            if (!String.IsNullOrEmpty(querystring)) querystring += "&";
            querystring += "lang=" + inLanguage.LanguageTag.ToLower();
            querystring = "?" + querystring;

            // Rewrite
            if (String.IsNullOrEmpty(url))
            {
                HttpContext.Current.RewritePath("~/Pages/Default.aspx" + querystring);
            }
            else
            {
                HttpContext.Current.RewritePath("~/Pages/ErrorPages/404.aspx" + querystring);
            }
        }