.className = "active";
                        tem_ems[0].className = "active";

                        //显示菜单项
                        DisplayMenuItem(true, menuitemFrameID);

                    }
                    else {
                        div.setAttribute("status", "unactive");
                        var tem_spans = div.getElementsByTagName("span");
                        var tem_ems = div.getElementsByTagName("em");
                        tem_spans[0].className = "";
              