navHover = function() {
            var lis1 =  document.getElementsByTagName("UL");
            for (var j=0; j<lis1.length; j++)
           {
	            var lis = lis1[j].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", navHover);