dojo.connect(accordion, "selectChild", function (childPane) {
                switch (childPane.id) {
                    case "chaxuntongji":
                        t3 = dojo.connect(map, "onClick", doIdentify);
                        t4 = dojo.connect(map, 'onClick', selectNeighborhood);
                        if (t1 != null)
                            dojo.disconnect(t1);
                        if (t2 != null)
                            dojo.disconnect(t2);
                        if (tiii1 != null)
                            dojo.disconnect(tiii1);
                        if (ttiii2 != null)
                            dojo.disconnect(tiii2);
                        break;
                    case "zhinengjuece":
                        tiii1 = dojo.connect(map, 'onClick', selectNeighborhood);
                        tiii2 = dojo.connect(map, 'onClick', displayEducationStats3);
                        if (t1 != null) {
                            dojo.disconnect(t1);
                        }
                        if (t2 != null) {
                            dojo.disconnect(t2);
                        }
                        if (t3 != null) {
                            dojo.disconnect(t3);
                        }
                        if (t4 != null) {
                            dojo.disconnect(t4);
                        }
                        break;
                    default:
                        dojo.disconnect(t1);
                        dojo.disconnect(t2);
                        dojo.disconnect(t3);
                        dojo.disconnect(t4);
                        dojo.disconnect(tiii1);
                        dojo.disconnect(tiii2);
现在不知怎么回事,销毁的事件 根本无法再新建一个