.header_left {
	position:fixed;
	left:0;
	top:0;
}

.header_left img {
	border-width:0;
	width:160px;
	height:160px;
}

.header_center {
	position:fixed;
	left:160px;
	top:0;
	padding-left:10%;
}

.menu {
	position:fixed;
	left:0;
	top:160px;
	width:100px;
	background-color:navy;
	color:white;
}

.content {
	position:absolute;
	width:82%;
	left:180px;
	top:150px;
	background-color:navy;
}

.footer {
	background-color:grey;
	width:100%;
	position:fixed;
	left:0;
	top:98%;
	height:20px;
	vertical-align:bottom;
}