sfHover = function() 
{
	var sfBase = document.getElementById("rkk-top-menu");
	
	if (sfBase == null)
	{
		return;
	}
	
    var sfEls = sfBase.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);