function isIE6() {
            if (navigator.appName != "Microsoft Internet Explorer") return false;
            var match = (/MSIE ([0-9.]+);/g).exec(navigator.appVersion);
            if (!match || match.length < 2) return false;
            if (parseFloat(match[1]) >= 7) return false;
            return true;
}

if (isIE6()) {

	sfHover = function() {			
		var sfEls = document.getElementsByTagName("UL");
        for (var i=0; i<sfEls.length; i++) 
        {
            if (sfEls[i].id == 'menu')
            { 
                 lists =  sfEls[i].getElementsByTagName("LI");
                 for (var j=0; j<lists.length; j++) 
                 {
                    lists[j].onmouseover=function(){this.className+=" sfhover";}
                    lists[j].onmouseout=function() {
                        this.className=this.className.replace(new RegExp(" sfhover\\b"), "");}
	             }
            }
        }
	}
	if (window.attachEvent) window.attachEvent("onload", sfHover);

}