function nav(id,action) {

	var overBackground = "#A5B2D6";
	var overColor = "#081C6B";
	var outBackground = "#042892";
	var outColor = "white";

	//pageID used from inline JS for contextual nav highlighting
	//if (pageID == "home") {return;}
	if (action == "hilite") {
		document.getElementById(id).style.backgroundColor = overBackground;
		document.getElementById(id+"link").style.color = overColor;
	}
	if (pageID != id) {//if pageID is the current id, leave alone
		if (action == "over") {
			document.getElementById(id).style.backgroundColor = overBackground;
			document.getElementById(id+"link").style.color = overColor;
		}
		if (action == "out") {
			document.getElementById(id).style.backgroundColor = outBackground;
			document.getElementById(id+"link").style.color = outColor;
		}
	}
}


function showLayer(id,display) {
	document.getElementById(id).style.visibility = display;
}

function hideAllLayers() {

}