if (mtDropDown.isSupported()) {
	var IE = false;
	var ua = navigator.userAgent.toLowerCase();
	var an = navigator.appName;

	if (ua.indexOf("gecko") > -1) {
		IE = false;
	}
	else if (an == "Microsoft Internet Explorer") {
		if (document.getElementById) { IE = true; }
	}

	if (IE) {
		var ms = new mtDropDownSet(mtDropDown.direction.right, 0, 0, mtDropDown.reference.topRight);
	} else {
		var ms = new mtDropDownSet(mtDropDown.direction.right, 0, 0, mtDropDown.reference.topRight);
	}

	var menu1 = ms.addMenu(document.getElementById("about"));
	menu1.addItem("Meet Our Certified Arborists", "meet_our_certified_arborists.htm", false);
	menu1.addItem("Services", "services.htm", false);
	menu1.addItem("Commercial Property Care", "commercial_property_care.htm", false);
	menu1.addItem("Keystone in the News", "keystone_in_the_news.htm", false);

	mtDropDown.renderAll();
}