sfHover = function () {

    if (!document.getElementsByTagName) return;
    if (!document.getElementById("nav")) return;

    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"), "");
        }
    }

    if (!document.getElementById("editionLinks")) return;
    var sfEds = document.getElementById("editionLinks").getElementsByTagName("li");
    for (var j = 0; j < sfEds.length; j++) {
        //alert('found one');
        sfEds[j].onmouseover = function () {
            this.className += " sfhover";
        }
        sfEds[j].onmouseout = function () {
            this.className = this.className.replace(new RegExp(" sfhover\\b"), "");
        }
    }
}

if (window.attachEvent) window.attachEvent("onload", sfHover);