body{
	margin:0px;
	padding:0px;
}
#sinistra{
	z-index:0;
	position:absolute;
	top:0;
	left:0;
	width:50%;
	height:710px;

}
#sfondo-sinistra{
	z-index:0;
	position:relative;
	top:0;
	right:417px;
	background: url(../images/sfondo_sx.jpg) top right repeat-x;
	width:100%;
	height:710px;
}
#destra{
	z-index:0;
	position:absolute;
	top:0;
	right:0;
	width:50%;
	height:710px;
}
#sfondo-destra{
	z-index:0;
	position:relative;
	top:0;
	margin: 0px 0px 0px 417px;
	background: url(../images/sfondo_dx.jpg) top left repeat-x;
	height:710px;
}
#sopra{
	position:absolute;
	top:0;
	width:100%;
	height:100%;
}
#centro{
	position: relative;
	width:834px;
	height:100%;
	margin: 0px auto;
	z-index:10;
}