#main {
	display: inline; /*for IE */
	width: 455px;
	margin-left: 150px; /* Add 150 for left sub-nav */
	}
	
* html #main {
	width: 465px;
	w\idth: 455px;
}

#nav_left {
	float: left;
	width: 150px;
	margin-left: -625px;
	}

#nav_right {
	float: right;
	width: 200px;
	}