navHover = function() {
	if(!arguments[0])arguments[0]='navmenu';
	for(a=0; a<arguments.length; a++){		
		var lis = document.getElementById(arguments[a]).getElementsByTagName("LI");
		for (var i=0; i<lis.length; i++) {
			lis[i].onmouseover=function() {
				this.className+=" iehover";
			}
			lis[i].onmouseout=function() {
				this.className=this.className.replace(new RegExp(" iehover\\b"), "");
			}
		}
	}
}

if (window.attachEvent)	window.attachEvent("onload", function(){navHover('navmenu','navmenu2')});