JS closes page and ext operations at regular intervals

VaR syscountdowntime = 3; var timeid; // timer handle, used to cancel the scheduled var vtime = 0 when you click return; function show_secs () {try {var exittime = syscountdowntime-vtime; vtime ++; If (exittime <1) {window. cleartimeout (timeid); Return redirect ();} document. getelementbyid ("TNO "). innertext = exittime; timeid = Window. setTimeout ('show _ secs () ', 1000);} catch (e ){}}

 

util.grid.prototype.queryPage = function(){    var bt = Ext.get(event.srcElement.id);    var fo = Ext.get(bt.dom.form.id);    var inputArr = fo.query("div[id^=input_]");    var hiddenArr = Ext.DomQuery.jsSelect("input[type=hidden]");    var gridArr = fo.query("div[id^=grid_]");    for (i = 0; i < gridArr.length; i++) {        var gridId = gridArr[i].id.substring(5);        var grid = Ext.getCmp(gridId);        var store = grid.getStore();        if (inputArr !== "") {            for (var i = 0; i < inputArr.length; i++) {                var divId = inputArr[i].id;                var extId = divId.substring(6);                var extObject = Ext.getCmp(extId);                var extName = extObject.getName();                var extValue = extObject.getRawValue();                store.setBaseParam(extName, extValue);            }        }        if (hiddenArr !== "") {            for (var i = 0; i < hiddenArr.length; i++) {                var hiddenName = hiddenArr[i].name;                var hiddenValue = hiddenArr[i].value;                store.setBaseParam(hiddenName, hiddenValue);            }        }        var pageSize = store.baseParams.limit;        store.load({            params: {                "start": 0,                "limit": pageSize            }        });        var task = new Ext.util.DelayedTask(function(){            var count = Ext.getCmp('totalCount');            count.setText(store.getTotalCount());        });        task.delay(400);    }};

util.grid.prototype.getColumnData = function(gridId, columnId){    var grid = Ext.getCmp(gridId);    var model = grid.getSelectionModel();    var sel = model.getSelections();    var temp = new Array(sel.length);    for (var i = 0; i < sel.length; i++) {        temp[i] = sel[i].get(columnId);    }    return temp;};

util.grid.prototype.getRowData = function(gridId){    var grid = Ext.getCmp(gridId);    var model = grid.getSelectionModel();    var sel = model.getSelections();    return sel;};