function addHoverClass(F) {
        var A = document.getElementById(F);
        var D = null;
        if (A != null) {
            var B = A.getElementsByTagName("LI");
            for (i = 0; i < B.length; i++) {
                try {
                    if (B[i].childNodes.length > 2 && B[i].childNodes[2].tagName == "UL") {
                        var C = B[i].childNodes[0].firstChild.nodeValue;
                        B[i].childNodes[0].onmouseover = function () {
                            if (this.firstChild.nodeValue != D) {
                               
                                D = this.firstChild.nodeValue;
                            }
                        };
                        B[i].onmouseout = B[i].onclick = function () {
                            this.className = "";
                        };
                        B[i].onmouseover = function () {
                            this.className = "over";
                        };
                    } else {
                        B[i].firstChild.setAttribute("rev", C);
                    }
                } catch (E) {}
            }
        }
    }