function display_actu(actu_id, BASE_URL) {
    jQuery.ajax({
        type: "GET",
        url: BASE_URL + "ajaxtualite.htm",
        data: "actu_id=" + actu_id,
        success: function(msg){
            window.parent.jQuery('.actus_details').html(msg);
        }
    });
    window.parent.jQuery('.actus_details').slideDown("slow");
    /*window.parent.jQuery('.contenu_page').slideUp("slow");*/
}