#header {
    width:700px;
    margin-left: 250px;
    height: 280px;
    background-color: #003;
    background-image: url(/drupal/sites/all/themes/rikis/images/header/rotate.php?a=1058912094);
<!--    background-image: url(/drupal/sites/all/themes/rikis/images/header/77.jpg);-->
    background-repeat: no-repeat;
}