function expandNavTop(divName, linkName, collapseText, expandText) {
	if (document.getElementById(divName).style.display == "none") {
		document.getElementById(divName).style.display = "block";
		document.getElementById(linkName).innerHTML = expandText
	} else {
		document.getElementById(divName).style.display = "none";
		document.getElementById(linkName).innerHTML = collapseText
	}

}