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

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