body {
	margin:0px;
	padding:0px;
	text-align:center; /* IE6 needs this to center the layout in the browser window */
	}
#main_wrapper {
	width:880px; /* sets max layout width */
	margin-left:auto;  /* centers layout in browser */
	margin-right:auto; /* centers layout in browser */
	text-align:left; /* resets the centering hack for IE6 on the body tag */
	position:relative;
	height:100%;
	background-color:#585;
	}
#header {
	/* full width by default */
	}
#content {
	position:absolute;
	padding:0;
	width:600px;
	left:130px;
	}
#nav {
	position:absolute;
	left:0px;
	width:130px;
	background:transparent;
	margin-bottom:300px;
	}
#promo {
	position:absolute;
	right:0px;
	width:150px;
	background:transparent;
	}
#footer {
	/* full width by default */
	}
#header_inner, #nav_inner, #content_inner, #promo_inner {
	overflow:hidden; /* prevents oversize elements from breaking the layout */
	}
#header_inner {
	padding:.25em 2em;
	}
#nav_inner {
	margin:1em 1.2em;
	}
#content_inner {
	margin:1em 2.5em 1em 2em;
	padding:0;
	}
#promo_inner {
	margin:1em 1.2em;
	}
#footer_inner {
	padding:.5em 10em;
	text-align:center;
	}