public NodeProxy nodeHasParent( DocumentImpl doc, long gid, boolean directParent, boolean includeSelf) { return nodeHasParent(doc, gid, directParent, includeSelf, -1);
public NodeProxy nodeHasParent(NodeProxy p, boolean directParent) { return nodeHasParent(p.doc, p.gid, directParent, false);
	public NodeProxy nodeHasParent(		DocumentImpl doc,		long gid,		boolean directParent,		boolean includeSelf) {		return nodeHasParent(doc, gid, directParent, includeSelf, -1);	}