public static void ValidateUserAccess(SoftwareAppType appType,params string[] roles)
   {
      //-- TODO: Take this out! it's only for devlopment purposes stupid.
      #if DEBUG
      if(ConfigurationManager.AppSettings["RequireLicenses"] != null)
      {
         if(!Convert.ToBoolean(ConfigurationManager.AppSettings["RequireLicenses"])) return;
      }
      #endif

      //-- ensure the user has sufficent permissions
      bool hasRole = false;
      foreach(string role in roles)
      {

         if(!HttpContext.Current.User.IsInRole(role))
         {
            hasRole = true;
            break;
         }  
      }

      if(!hasRole)
         HttpContext.Current.Response.Redirect(URL.NoAccess + "?code=" + ValidationError.InsufficientRole);

      if((!SecurityManager.GetLicense(appType)))
         HttpContext.Current.Response.Redirect(URL.NoAccess + "?code=" + ValidationError.LicenseNotAvailable);

   }