function menuFix() {
            var sfEls = document.getElementById("nav").getElementsByTagName("li");
            for (var i = 0; i < sfEls.length; i++) {
                sfEls[i].onmouseover = function() {
                    this.className += (this.className.length > 0 ? " " : "") + "sfhover";
                }
                sfEls[i].onMouseDown = function() {
                    this.className += (this.className.length > 0 ? " " : "") + "sfhover";
                }
                sfEls[i].onMouseUp = function() {
                    this.className += (this.className.length > 0 ? " " : "") + "sfhover";
                }
                sfEls[i].onmouseout = function() {
                    this.className = this.className.replace(new RegExp("( ?|^)sfhover\\b"),"");
                }
            }
        }
        window.onload = menuFix;