menuArray = new Array("news", "course", "about", "awards", "contact", "chinese", "workshop", "gallery", "outreach", "party");

if (document.images) {
	for (var menuItem in menuArray) { 
		 for (var i=0; i<2; i++) { 
				eval("menu" + menuArray[menuItem] + i + " = new Image()");
				eval("menu" + menuArray[menuItem] + i + ".src = './images/menu_" + menuArray[menuItem] + "_" + i + ".gif'");
		 }
	}
}

function MenuOn(menuItem) {
	document[menuItem].src = eval("menu" + menuItem + "1.src");
}

function MenuOff(menuItem) {
	document[menuItem].src = eval("menu" + menuItem + "0.src");
}

function OpenPage(src) {
	window.open(src,"_blank","toolbar=no, location=no, directories=no, status=no, menubar=no, scrollbars=yes, resizable=no, copyhistory=no, width=820, height=600");
}