sfHover = function() {
//  alert("in sfHover")
    var sfEls = document.getElementById("nav").getElementsByTagName("LI");
  for (var i=0; i<sfEls.length; i++) {
    sfEls[i].onmouseover=function() {
      this.className+=" sfhover";
    }
    sfEls[i].onmouseout=function() {
      this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
    }
  }
}
if (window.attachEvent) window.attachEvent("onload", sfHover);
/*
alert("Hello")

if (window.addEventListener) //DOM method for binding an event
{
  alert("dom method")
    window.addEventListener("load", sfHover, false)
}
else if (window.attachEvent) //IE exclusive method for binding an event
{
  alert("IE method")
    window.attachEvent("onload", sfHover)
}
else if (document.getElementById) //support older modern browsers
{
  alert("older method")
    window.onload=sfHover
}
*/