function centerPopup(url, name, height, width, options) {
    var top = (screen.height - height) / 2;
    var left = (screen.width - width) / 2;
    var popup = window.open(url, name, "top=" + top + ",left=" + left + ",width=" + width + ",height=" + height + "," + options);
    popup.focus()
}

function subMenuRollover(menuItem) {
    if (menuItem.className == "itemOff") {
        menuItem.className = "itemOffOver";
    } else if (menuItem.className == "itemOffOver") {
        menuItem.className = "itemOff";
    }
}

function popZoom(id) {
    centerPopup('../Zoom.aspx?id=' + id, 'Zoom', 404, 399,
        'menubar=no, scrollbars=no, statusbar=no');
}

function popSendLink(query) {
    centerPopup('SendLink.aspx' + query, 'Lien', 404, 399,
        'menubar=no, scrollbars=no, statusbar=no');
}