function initPage() {
	var nav = document.getElementById("menu");
	if (nav) {
		var nodes = nav.getElementsByTagName("li");
		for (var i = 0; i < nodes.length; i++) {
			nodes[i].onmouseover = function () {
				if (this.className.indexOf("hover") == -1) {
					this.className += " hover";
				}
			}
			nodes[i].onmouseout = function () {
				this.className = this.className.replace(" hover", "");
			}
		}
	}
}
if (window.attachEvent && !window.opera) {
	window.attachEvent("onload", initPage);
}