.main { width:950px;}

.sommaire {
	position:absolute;
	left:143px;
	top:56px;
	width:500px;
	height:200px;
	overflow:auto;
	visibility:hidden;
	z-index:1;
}

.liens {
	position:absolute;
	left:300px;
	top:150px;
	width:200px;
	height:200px;
	overflow:auto;
	visibility:hidden;
	z-index:2;
}