/* This is used to make the hover work in IE, since IE does not support CSS hovering. */
sfHover = function() {
    var sfEls = document.getElementById("nav").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"), "");
        }
    }
}

/* window.attachEvent is IE-specific. */
if (window.attachEvent) window.attachEvent("onload", sfHover);