ieHover = function() {
  var items = document.getElementById("nav").getElementsByTagName("LI");
  for (var i=0; i<items.length; i++) {
	items[i].onmouseover=function() {
	  this.className+=" iehover";
	}
	items[i].onmouseout=function() {
	  this.className=this.className.replace(new RegExp(" iehover\\b"), "");
	}
  }
}
if (window.attachEvent) window.attachEvent("onload", ieHover);