/*nav updates*/

    sfHover = function () {
        var nav = document.getElementById("navigation");
        if (nav != null) {
            var sfEls = 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"), "");
                }
            }
        }
    }
    if (window.attachEvent) window.attachEvent("onload", sfHover);