function openPhoto(uid)
{
    var url = '/popup/manage-photo.htm';
    if (uid != null) {
        url = url + "?uid=" + uid;
    }
    var height = 640;
    var width = 540;
    var top = (screen.availHeight / 2) - height / 2;
    var left = (screen.availWidth / 2) - width / 2;
    var w = window.open(url, 'photo', 'width=' + width + ',height=' + height + ',left=' + left + ',top=' + top + ',scrollbars=0');
    w.focus();
    return false;
}