body,html { height:100%;margin:0 }
#bod {
	position:absolute;
	left:50%;
	width:790px;
	margin:0 0 0 -430px;
}
#intestazione {
	position: absolute;
	height: 10px;
	left: 68px;
	top: 5px;
	z-index: 6;
}
#left {
	position: absolute;
	height: 600px;
	left: 68px;
	top: 100px;
	width: 211px;
	z-index: 3;
}
#corpo {
	position: absolute;
	height: 502px;
	left: 274px;
	top: 100px;
	width: 570px;
	background-image: url(img/back.jpg);
	background-repeat: no-repeat;
	background-position: center center;
	z-index: 4;
	text-align: center;
}