Case C-346/05: Judgment of the Court (Fifth Chamber) of 9 November 2006 (reference for a preliminary ruling from the Cour de travail de Liège — Belgium) — Monique Chateignier v Office national de l'emploi (ONEM) (Reference for a preliminary ruling — Article 39 EC and Articles 3 and 67 of Regulation (EEC) No 1408/71 — Grant of unemployment benefit subject to the completion of a period of employment in the competent Member State)