sfHover = function() {
	var sfEls = document.getElementById("menu").getElementsByTagName("li");
	for (var i=0; i<sfEls.length; i++) {
		sfEls[i].onmouseover=function() {
			this.className+=" sfhover";
			//hide select elements
			oEls = document.getElementsByTagName('SELECT');
      for (var i = 0; i < oEls.length; i++) {
        //oEls[i].style.display = 'none';
        //oEls[i].disabled = true;
      }

		}
		sfEls[i].onmouseout=function() {
			this.className=this.className.replace(new RegExp(" sfhover\\b"), "");
			//show select elements
			oEls = document.getElementsByTagName('SELECT');
      for (var i = 0; i < oEls.length; i++) {
        //oEls[i].style.display = 'block';
        //oEls[i].disabled = false;
      }
		}
	}
}
if (window.attachEvent) window.attachEvent("onload", sfHover);