#container {
position:absolute;
top: 0px;
left: 50%;
width:770px; 
height:800px;
margin-left:-383px;
background-color:#ffffff;
}

#top-banner {
position:absolute;
top:0px;
left: 50%;
width:770px; 
height:102px;
margin-left:-385px;
background-color:#ffffff;
}
#top-menu {
position:absolute;
top:102px;
left: 50%;
width:770px; 
height:23px;
margin-left:-385px;
background-color:#363636;
}
#titolo {
position:absolute;
top:130px;
left: 50%;
width:474px; 
height:30px;
margin-left:-237px;
}
#sx {
position:absolute;
top:124px;
left: 50%;
width:147px; 
height:500px;
margin-left:-388px;
}
#dx {
position:absolute;
top:124px;
left: 50%;
width:147px; 
height:500px;
margin-left:241px;
}
#testo {
position:absolute;
top:170px;
left: 50%;
width:478px; 
height:600px;
margin-left:-237px;
overflow:auto;

}
#footer {
position:absolute;
top:780px;
left: 50%;
width:770px; 
height:80px;
margin-left:-385px;
background-color:#ffffff;
}
#down-bar {
position:absolute;
top:570px;
left: 50%;
width:770px; 
height:23px;
margin-left:-385px;
background-color:#363636;
}