sfHover = function() {
	var sfEls = document.getElementById("navhead").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"), "");
		}
	}
}
function addLoadEvent(func){
  var oldonload = window.onload;
  if(typeof window.onload != 'function'){
    window.onload = func;
  } else {
    window.onload = function(){
      oldonload();
      func();
    }
  }
}

//if (window.attachEvent) window.attachEvent("onload", sfHover);
if (window.attachEvent) addLoadEvent(sfHover);