void InitFunctions(TreeNode ndRoot)
		{
            List<string> ar = new List<string>();
			
			ar.AddRange(StaticLists.FunctionList);

			// Build list of methods in the  VBFunctions class
			Oranikle.Report.Engine.FontStyleEnum fsi = FontStyleEnum.Italic;	// just want a class from RdlEngine.dll assembly
			Assembly a = Assembly.GetAssembly(fsi.GetType());
			if (a == null)
				return;
			Type ft = a.GetType("Oranikle.Report.Engine.VBFunctions");	 
			BuildMethods(ar, ft, "");

			// build list of financial methods in Financial class
			ft = a.GetType("Oranikle.Report.Engine.Financial");
			BuildMethods(ar, ft, "Financial.");

			a = Assembly.GetAssembly("".GetType());
			ft = a.GetType("System.Math");
			BuildMethods(ar, ft, "Math.");

			ft = a.GetType("System.Convert");
			BuildMethods(ar, ft, "Convert.");

			ft = a.GetType("System.String");
			BuildMethods(ar, ft, "String.");

			ar.Sort();
			string previous="";
			foreach (string item in ar)
			{
				if (item != previous)	// don't add duplicates
				{
					// Add the node to the tree
					TreeNode aRoot = new TreeNode(item);
					ndRoot.Nodes.Add(aRoot);
				}
				previous = item;
			}

		}