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.down, 5, -6, mtDropDown.reference.bottomLeft);
	} else {
		var ms = new mtDropDownSet(mtDropDown.direction.down, 5, -5, mtDropDown.reference.bottomLeft);
	}

	var menu1 = ms.addMenu(document.getElementById("nav_01"));
	menu1.addItem("Wildfire", "wildfire.htm", false);
	menu1.addItem("Search & Rescue", "search_and_rescue.htm", false);
	menu1.addItem("Construction", "construction.htm", false);

	var menu2 = ms.addMenu(document.getElementById("nav_04"));
	menu2.addItem("Video", "video.htm", false);
	menu2.addItem("Specifications", "specifications.htm", false);

	var menu3 = ms.addMenu(document.getElementById("nav_08"));
	menu3.addItem("Careers", "careers.htm", false);
	menu3.addItem("Contact Carson", "contact_carson.htm", false);
	menu3.addItem("Employee Login", "employee_login.htm", false);

	mtDropDown.renderAll();
}