Problem med Satellite assemblies, den kan ikke finde resource fil

Jeg sidder og leger lidt med Satellite assemblies, men det driller lidt. Jeg har følgnede kode:

i min global.asax:

        protected void Application_Start(Object sender, EventArgs e)
        {
            Application["RM"] = ResourceManager.CreateFileBasedResourceManager("mytext",Server.MapPath("languageFiles")    + Path.DirectorySeparatorChar,null);
        }

        protected void Application_BeginRequest(Object sender, EventArgs e)
        {
            // For each request initialize the culture values with
            // the user language as specified by the browser.

            try
            {
                Thread.CurrentThread.CurrentCulture = new CultureInfo(Request.UserLanguages[0]);
            }
            catch(Exception)
            {
                // provide fallback for not supported languages.
                Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK");
            }

            Thread.CurrentThread.CurrentUICulture = Thread.CurrentThread.CurrentCulture;
        }

I min cs fil:

        private void Page_Load(object sender, System.EventArgs e)
        {
            rm = (ResourceManager) Application["RM"];

            Thread.CurrentThread.CurrentCulture = new CultureInfo("da-DK");
            Thread.CurrentThread.CurrentUICulture = new CultureInfo("da-DK");

            om.Text = rm.GetString("faneblad1");
        }

der ud over har jeg oprettet 3 resource filer der ligger i mappen languageFiles, de hedder:

Resource.da-DK.resx
Resource.de-DE.resx
Resource.resx

Jeg får følgende fejl:

Could not find any resources appropriate for the specified culture (or the neutral culture) on disk. baseName: mytext locationInfo: <null> fileName: mytext.resources

om.Text = rm.GetString("faneblad1");


Nogen der kan hjælpe mig med at få det til at virke?