body {
background: #797979 url('bg.jpg') fixed;
background-position:center top;
}

#top {
position:absolute;
left:0px;
top:0px;
width:100%;
z-index:10;
}

#gora {
background: url(gore.jpg);
position:fixed; 
width:100%;
height:37px;
margin:0 auto;
padding:0;
z-index:100;
}