// Code History:
 // 2014-02-22 mws
 public void ScCheckSchemeMeta(SchemeMeta schemeMeta)
 {
     string thisXPath = "/nar:" + RootElemName + "/nar:schemeMeta";
     XmlNode thisXN = XmlDoc.SelectSingleNode(thisXPath, NsMngr);
     if (thisXN == null)
         ScAddSchemeMeta(schemeMeta);
 }
        // Code History:
        // 2014-02-12,2014-02-23 mws
        // ******************************************************************************
        // ***** SCHEME META
        // ******************************************************************************
        public void ScAddSchemeMeta(SchemeMeta schemeMeta)
        {
            // check if this element already exists
            XmlNode thisXN =
            XmlDoc.SelectSingleNode("/nar:" + RootElemName + "/nar:schemeMeta", NsMngr);
            if (thisXN != null)
                return;

            AddNarPropertyToParent("/nar:" + RootElemName, NameSeqKiRoot, schemeMeta);
        }