Dai css togli la prima riga:
#menu {
background-image: url(images/header.jpg); <
background-repeat: no-repeat;
width: 200px;
margin: 0;
padding: 216px 0 16px 0;
float: right;
background-color: #fc0;
}
e aggiungi:
#header {
background-image: url(images/header.jpg);
padding-left: 120px;
}