html, body {
	height: 100%;
	margin: 0;
	}
#global {
	min-height: 100%;
	width: 1152px;
	padding: 0 10px;
	margin: 0 auto;
	position: relative;
	background: url(img/global.png) left repeat-y;
	}
#center {
	/* Pour éviter la superposition 
	du pied de page et du contenu : */
	padding-bottom: 20px;
	overflow:auto;
	}
#footer {
	position: relative;
	width: 1152px;
	bottom: 0px;
	}
#sidebar {
	float: left;
	width: 180px;
	}
#content {
	float: left;
	width: 950px;
	}
#navi {
	width:auto;
	text-align:center;
	}