else handle = null;
    protected ESNode (INode node, RequestEvaluator eval) {	super (eval.esNodePrototype, eval.evaluator);	this.eval = eval;	this.node = node;	cache = null;	cacheWrapper = null;		// set node handle to wrapped node	if (node instanceof helma.objectmodel.db.Node)	    handle = ((helma.objectmodel.db.Node) node).getHandle ();    }