function fuc_navOver() {
	this.className = "hover";
}

function fuc_navOut() {
	this.className = "";
}

function fuc_navSetup() {
	var nav = document.getElementById("nav_bg").getElementsByTagName("ul")[0].childNodes;
	for (var count = 0; count < nav.length; count++) {
		if (nav[count].tagName == "LI") {
			if (nav[count].addEventListener) {
				nav[count].addEventListener("mouseover", fuc_navOver, false);
				nav[count].addEventListener("mouseout", fuc_navOut, false);
			} else {
				nav[count].onmouseover = fuc_navOver;
				nav[count].onmouseout = fuc_navOut;
			}
		}
	}
}

window.onload = fuc_navSetup;