.onlineimg, .online {
    display: block;
    top: 0px;
    overflow: hidden;
    padding-left: 20px;
    padding-top: 20px;
    width: 0px;
    height: 0px;
    background:url('http://i.fokzine.net/templates/forum2009/i/offlineU.png') no-repeat;
}