Hello, i am trying to switch the band using ajax query from GUI web page wifi_overview.htm. i also want to add one parameter to set "scanband" as per below in configuration file [etc/config/wireless]

ajax code:

<script type="text/javascript">//<![CDATA[
        function switchTo2G()
        {
            disableSwitch(true);
            
            var http = new XMLHttpRequest();
            var url = "<%=luci.dispatcher.build_url("admin/network/wireless/wifi0.network1")%>";        
            var params = "cbi.submit=1&tab.wireless.wifi0=general&cbid.wireless.wifi0.channel=auto&cbid.wireless.wifi0.txpower=16&cbid.wireless.wifi0.hwmode=11ng&cbid.wireless.wifi0.htmode=HT20&tab.wireless.cfg033579=general&cbi.cbe.wireless.cfg033579.doth=1&cbi.cbe.wireless.cfg033579.uapsd=1&cbi.cbe.wireless.cfg033579.wmm=1&cbid.wireless.cfg033579.ssid=CD-2.4G&cbid.wireless.cfg033579.mode=ap&cbid.wireless.cfg033579.network=lan&cbi.cbe.wireless.cfg033579.hidden=1&cbid.wireless.cfg033579.encryption=psk2&cbid.wireless.cfg033579.cipher=auto&cbid.wireless.cfg033579._wpa_key=CD-2.4GHz&cbi.apply=Save+%26+Apply";
            http.open("POST", url, true);

            //Send the proper header information along with the request
            http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
            http.setRequestHeader("Content-length", params.length);
            http.setRequestHeader("Connection", "close");

            http.onreadystatechange = function() {//Call a function when the state changes.
                if(http.readyState == 4 && http.status == 200) {
                    restartServ();
                }
            }
            http.send(params);
        }
        function switchTo5G()
        {
            disableSwitch(true);
            
            var http = new XMLHttpRequest();
            var url = "<%=luci.dispatcher.build_url("admin/network/wireless/wifi0.network1")%>";        
            var params = "cbi.submit=1&tab.wireless.wifi0=general&cbid.wireless.wifi0.channel=36&cbid.wireless.wifi0.txpower=16&cbid.wireless.wifi0.hwmode=11na&cbid.wireless.wifi0.htmode=HT20&tab.wireless.cfg033579=general&cbi.cbe.wireless.cfg033579.doth=1&cbi.cbe.wireless.cfg033579.isolate=1&cbi.cbe.wireless.cfg033579.uapsd=1&cbi.cbe.wireless.cfg033579.wmm=1&cbid.wireless.cfg033579.ssid=CD-5G&cbid.wireless.cfg033579.mode=ap&cbid.wireless.cfg033579.network=lan&cbi.cbe.wireless.cfg033579.hidden=1&cbid.wireless.cfg033579.encryption=psk2&cbid.wireless.cfg033579.cipher=auto&cbid.wireless.cfg033579._wpa_key=CD-2.4GHz&cbi.apply=Save+%26+Apply";
            http.open("POST", url, true);

            //Send the proper header information along with the request
            http.setRequestHeader("Content-type", "application/x-www-form-urlencoded");
            http.setRequestHeader("Content-length", params.length);
            http.setRequestHeader("Connection", "close");

            http.onreadystatechange = function() {//Call a function when the state changes.
                if(http.readyState == 4 && http.status == 200) {
                    restartServ();
                }
            }
            http.send(params);
        }
        
        function restartServ()
        {
            var apply_xhr = new XHR();
            
            apply_xhr.get('<%=luci.dispatcher.build_url("servicectl", "restart", "wireless,network,firewall")%>', null,
                function() {
                    var checkfinish = function() {
                    apply_xhr.get('<%=luci.dispatcher.build_url("servicectl", "status")%>', null,
                        function(x) {//alert(x.responseText);
                            setTimeout('disableSwitch(false)', 10*1000);
                        }
                    );
                    }

                window.setTimeout(checkfinish, 1000);
                }
            );
        }
        
        function disableSwitch(status)
        {
            document.getElementById('switch2G').disabled = status;
            document.getElementById('switch5G').disabled = status;
        }
    //]]></script>

The config file: etc/config/wireless

config wifi-device 'wifi0'
        option type 'qcawifi'
        option macaddr '00:26:75:bd:37:24'
        option txpower '16'
        option htmode 'HT20'
        option disabled '0'
        option channel '36'
        option hwmode '11na'

config wifi-iface
        option device 'wifi0'
        option mode 'ap'
        option network 'lan'
        option encryption 'psk2'
        option key 'CD-2.4GHz'
        option scanband '1'
        option ssid 'CD-5G'