body { background-color:silver;}

div.divwrapper {
position:relative; 
margin: 0 auto; 
width:1000px; 
height:1050px;

}

div.divtop {
position:absolute; 
text-align:center;
left:32px;
top:0px;
width:936px;
height:90px;
color:white;
background-image: url(/images/header.jpg);
z-index:1;
}

div.divleft {
position:absolute; 
text-align:center;
left:0px;
top:100px;
width:150px;
height:1000px;
z-index:1;
}

div.divmiddle{
position:absolute;
left:150px;
top:100px;
width:700px;
height:1000px;
z-index:1;
}

div.divright{
position:absolute;
text-align:center;
left:850px;
top:100px;
width:150px;
height:1000px;
z-index:1;
}

div.divwide{
position:absolute;
left:150px;
top:100px;
width:850px;
height:1000px;
z-index:1;
}

div.divadvert{
position:absolute;
left:0px;
top:100px;
width:700px;
height:1450px;
z-index:2;
overflow:auto;
background-color:palegreen;
}