menuOver = function() {
	
	
	var menuLis = document.getElementById("nav").getElementsByTagName("LI");
	
	for (var i=0; i<menuLis.length; i++) {
		
		menuLis[i].onmouseover=function() {
			
			this.className+=" menuover";
			
		}
		menuLis[i].onmouseout=function() {
			
			this.className=this.className.replace(new RegExp(" menuover\\b"), "");
			
		}
	
	
	}
}


if (window.attachEvent) window.attachEvent("onload", menuOver);