sfHover = function() 
{
  var sfEls = document.getElementById("drops").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);
}