function initMenu() {
	var navRoot = document.getElementById("navRoot");
	for (i = 0; i < navRoot.childNodes.length; i++) {
		var node = navRoot.childNodes[i];
		if ((node.nodeName == "LI") || (node.nodeName == "li")) {

			node.onmouseover = function() {
				this.className += " over";

			}


			node.onmouseout = function() {
				this.className = this.className.replace(" over", "");
			}
			//alert(this.className);

		}
	}
}

function showMenu(menuid) {
	document.getElementById(menuid).style.display = "block";
}

function hideMenu(menuid) {
	document.getElementById(menuid).style.display = "none";
}