// Navigation Rollovers
var menuTimer;
var menuTimeout;
var submenuTimeout;
var currentMenu;
var currentsubMenu;
function el(ee) {
	return document.getElementById(ee);
}
function menuOn(menuName) {
	var theMenu;
	if (menuTimeout){ clearTimeout(menuTimeout); }  // clear the timeout
	if (currentMenu){                       // hide the current menu
		theMenu = el(currentMenu);
		theMenu.style.visibility = "hidden";
	}
	currentMenu = menuName;
	theMenu = el(currentMenu);
	theMenu.style.visibility = "visible";  // display menuName
}
function submenuOn(submenuName) {
	var thesubMenu;
	if (submenuTimeout){ clearTimeout(submenuTimeout); } // clear the timeout
	if (currentsubMenu){                    // hide the current menu
		thesubMenu = el(currentsubMenu);
		thesubMenu.style.visibility = "hidden";
	}
	currentsubMenu = submenuName;
	thesubMenu = el(currentsubMenu);
	theMenu = el(currentMenu);
	thesubMenu.style.visibility = "visible";
	theMenu.style.visibility = "visible";  // display menuName
}
function menuOff(menuName) {
	if (menuTimeout){ clearTimeout(menuTimeout); }  // clear the current timeout
	 menuTimeout = setTimeout('el("' + menuName + '").style.visibility = "hidden"', 000);             // set the new timeout
}