public Node insertAfter(NodeList nodes, Node refChild) throws DOMException { throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "not implemented");
public Node insertAfter(Node newChild, Node refChild) throws DOMException { throw new DOMException(DOMException.NOT_SUPPORTED_ERR, "not implemented");
	public Node insertAfter(NodeList nodes, Node refChild) throws DOMException {		throw new DOMException(DOMException.NOT_SUPPORTED_ERR,			"not implemented");	}