var initPage = function() {
	initMenu();
	initFooter();
}
var initMenu = function() {
	var nav = document.getElementById('menu');
	if (nav) {
		var lis = nav.getElementsByTagName('li');
		for (var i = 0; i < lis.length; i++){
			lis[i].onmouseover = function() {
				this.className += ' hover';
			};
			lis[i].onmouseout = function() {
				this.className = this.className.replace('hover','');
			};
		}
	}
}
var initFooter = function() {
	var fnav = document.getElementById('footer-menu');
	if (fnav) {
		var lis = fnav.getElementsByTagName('li');
		for (var i = 0; i < lis.length; i++){
			lis[i].onmouseover = function() {
				this.className += ' hover';
			};
			lis[i].onmouseout = function() {
				this.className = this.className.replace('hover','');
			};
		}
	}
}

if (window.addEventListener){
	window.addEventListener("load", initPage, false);
} else if (window.attachEvent){
	window.attachEvent("onload", initPage);
}