var capaMenu="menu";
function addEvent(obj, evType, fn){
  if (obj.addEventListener){
    obj.addEventListener(evType, fn, true);
    return true;
  } else if (obj.attachEvent){
  	var r = obj.attachEvent("on"+evType, fn);
    return r;
  } else {
  	return false;
  }
}

function init() {
	if (typeof(capaMenu)!="undefined")
	{
  var oMenu = document.getElementById(capaMenu);
  var aLi = oMenu.getElementsByTagName('li');
  for (var i=0;i<aLi.length;++i) {
    aLi[i].onmouseover = mouseOver;
    aLi[i].onmouseout = mouseOut;
  }
	}
}

function mouseOver() {
  this.className += " iehover";
}

function mouseOut() {
	this.className = this.className.replace(" iehover", "");
}

addEvent(window, "load", init);