From f54bd796c23c2ef5643d5df764e25763e3a2dfad Mon Sep 17 00:00:00 2001
From: Martinski4GitHub <119833648+Martinski4GitHub@users.noreply.github.com>
Date: Wed, 24 Jun 2026 07:01:44 -0700
Subject: [PATCH] Fix for Missing "cookie" Helper Functions

Fix for compatibility issue with latest AsusWRT6 routers, such as the GT-BE19000AI, running 3006.102.8 F/W version, where the webpage generates errors due to missing "cookie" helper functions previously defined in the 'state.js' file (Ported from Unbound Stats WebUI ASP fix supplied by @ExtremeFiretop).
---
 README.md         |  2 +-
 ntpdstats_www.asp |  8 ++++----
 ntpdstats_www.js  | 32 ++++++++++++++++++++++++++++++++
 ntpmerlin.sh      |  4 ++--
 4 files changed, 39 insertions(+), 7 deletions(-)

diff --git a/README.md b/README.md
index fb14039..57bce2c 100644
--- a/README.md
+++ b/README.md
@@ -1,7 +1,7 @@
 # ntpMerlin
 
 ## v3.4.16
-### Updated on 2026-Apr-15
+### Updated on 2026-Jun-24
 
 ## About
 ntpMerlin implements an NTP time server for AsusWRT Merlin with charts for daily, weekly and monthly summaries of performance. A choice between ntpd and chrony is available.
diff --git a/ntpdstats_www.asp b/ntpdstats_www.asp
index 8c58011..0026d0f 100644
--- a/ntpdstats_www.asp
+++ b/ntpdstats_www.asp
@@ -30,9 +30,9 @@ p{font-weight:bolder}thead.collapsible-jquery{color:#fff;padding:0;width:100%;bo
 <script language="JavaScript" type="text/javascript" src="/validator.js"></script>
 <script>
 
-/**----------------------------------------**/
-/** Modified by Martinski W. [2025-Oct-27] **/
-/**----------------------------------------**/
+/**----------------------------**/
+/** Last Modified: 2026-Jun-24 **/
+/**----------------------------**/
 
 var custom_settings;
 function loadCustomSettings()
@@ -48,7 +48,7 @@ function loadCustomSettings()
 	}
 }
 
-var arraysortlistlines=[],sortname="Time",sortdir="desc",maxNoCharts=18,currentNoCharts=0,ShowLines=GetCookie("ShowLines","string"),ShowFill=GetCookie("ShowFill","string"),DragZoom=!0,ChartPan=!1;Chart.defaults.global.defaultFontColor="#CCC",Chart.Tooltip.positioners.cursor=function(t,e){return e};var dataintervallist=["raw","hour","day"],metriclist=["Offset","Drift"],measureunitlist=["ms","ppm"],chartlist=["daily","weekly","monthly"],timeunitlist=["hour","day","day"],intervallist=[24,7,30],bordercolourlist=["#fc8500","#ffffff"],backgroundcolourlist=["rgba(252,133,0,0.5)","rgba(255,255,255,0.5)"];let databaseResetDone=0;var sqlDatabaseFileSize="0 Bytes",jffsAvailableSpaceStr="0 Bytes",jffsAvailableSpaceLow="OK";function keyHandler(t){82==t.keyCode?($(document).off("keydown"),ResetZoom()):68==t.keyCode?($(document).off("keydown"),ToggleDragZoom(document.form.btnDragZoom)):70==t.keyCode?($(document).off("keydown"),ToggleFill()):76==t.keyCode&&($(document).off("keydown"),ToggleLines())}function Draw_Chart_NoData(t,e){document.getElementById("divLineChart_"+t).width="730",document.getElementById("divLineChart_"+t).height="500",document.getElementById("divLineChart_"+t).style.width="730px",document.getElementById("divLineChart_"+t).style.height="500px";var a=document.getElementById("divLineChart_"+t).getContext("2d");a.save(),a.textAlign="center",a.textBaseline="middle",a.font="normal normal bolder 48px Arial",a.fillStyle="white",a.fillText(e,365,250),a.restore()}function Draw_Chart(t,e,a,i,n){var o=getChartPeriod($("#"+t+"_Period option:selected").val()),r=getChartInterval($("#"+t+"_Interval option:selected").val()),s=timeunitlist[$("#"+t+"_Period option:selected").val()],l=intervallist[$("#"+t+"_Period option:selected").val()],d=moment(),c=null,m=moment().subtract(l,s+"s"),u="line",f=window[t+"_"+r+"_"+o];if(null!=f)if(0!=f.length){var h=f.map((function(t){return t.Metric})),p=f.map((function(t){return{x:t.Time,y:t.Value}})),g=window["LineChart_"+t],y=getTimeFormat($("#Time_Format option:selected").val(),"axis"),b=getTimeFormat($("#Time_Format option:selected").val(),"tooltip");"day"==r&&(u="bar",c=moment().endOf("day").subtract(9,"hours"),m=moment().startOf("day").subtract(l-1,s+"s").subtract(12,"hours"),d=c),"daily"==o&&"day"==r&&(s="day",l=1,c=moment().endOf("day").subtract(9,"hours"),m=moment().startOf("day").subtract(12,"hours"),d=c),factor=0,"hour"==s?factor=36e5:"day"==s&&(factor=864e5),null!=g&&g.destroy();var v=document.getElementById("divLineChart_"+t).getContext("2d"),x={segmentShowStroke:!1,segmentStrokeColor:"#000",animationEasing:"easeOutQuart",animationSteps:100,maintainAspectRatio:!1,animateScale:!0,hover:{mode:"point"},legend:{display:!1,position:"bottom",onClick:null},title:{display:!0,text:e},tooltips:{callbacks:{title:function(t,e){return"day"==r?moment(t[0].xLabel,"X").format("YYYY-MM-DD"):moment(t[0].xLabel,"X").format(b)},label:function(t,e){return round(e.datasets[t.datasetIndex].data[t.index].y,3).toFixed(3)+" "+a}},mode:"point",position:"cursor",intersect:!0},scales:{xAxes:[{type:"time",gridLines:{display:!0,color:"#282828"},ticks:{min:m,max:c,display:!0},time:{parser:"X",unit:s,stepSize:1,displayFormats:y}}],yAxes:[{gridLines:{display:!1,color:"#282828"},scaleLabel:{display:!1,labelString:a},ticks:{display:!0,callback:function(t,e,i){return round(t,3).toFixed(3)+" "+a}}}]},plugins:{zoom:{pan:{enabled:ChartPan,mode:"xy",rangeMin:{x:m,y:getLimit(p,"y","min",!1)-.1*Math.sqrt(Math.pow(getLimit(p,"y","min",!1),2))},rangeMax:{x:d,y:getLimit(p,"y","max",!1)+.1*getLimit(p,"y","max",!1)}},zoom:{enabled:!0,drag:DragZoom,mode:"xy",rangeMin:{x:m,y:getLimit(p,"y","min",!1)-.1*Math.sqrt(Math.pow(getLimit(p,"y","min",!1),2))},rangeMax:{x:d,y:getLimit(p,"y","max",!1)+.1*getLimit(p,"y","max",!1)},speed:.1}}},annotation:{drawTime:"afterDatasetsDraw",annotations:[{type:ShowLines,mode:"horizontal",scaleID:"y-axis-0",value:getAverage(p),borderColor:i,borderWidth:1,borderDash:[5,5],label:{backgroundColor:"rgba(0,0,0,0.3)",fontFamily:"sans-serif",fontSize:10,fontStyle:"bold",fontColor:"#fff",xPadding:6,yPadding:6,cornerRadius:6,position:"center",enabled:!0,xAdjust:0,yAdjust:0,content:"Avg="+round(getAverage(p),3).toFixed(3)+a}},{type:ShowLines,mode:"horizontal",scaleID:"y-axis-0",value:getLimit(p,"y","max",!0),borderColor:i,borderWidth:1,borderDash:[5,5],label:{backgroundColor:"rgba(0,0,0,0.3)",fontFamily:"sans-serif",fontSize:10,fontStyle:"bold",fontColor:"#fff",xPadding:6,yPadding:6,cornerRadius:6,position:"right",enabled:!0,xAdjust:15,yAdjust:0,content:"Max="+round(getLimit(p,"y","max",!0),3).toFixed(3)+a}},{type:ShowLines,mode:"horizontal",scaleID:"y-axis-0",value:getLimit(p,"y","min",!0),borderColor:i,borderWidth:1,borderDash:[5,5],label:{backgroundColor:"rgba(0,0,0,0.3)",fontFamily:"sans-serif",fontSize:10,fontStyle:"bold",fontColor:"#fff",xPadding:6,yPadding:6,cornerRadius:6,position:"left",enabled:!0,xAdjust:15,yAdjust:0,content:"Min="+round(getLimit(p,"y","min",!0),3).toFixed(3)+a}}]}};g=new Chart(v,{type:u,data:{labels:h,datasets:[{data:p,borderWidth:1,pointRadius:1,lineTension:0,fill:ShowFill,backgroundColor:n,borderColor:i}]},options:x}),window["LineChart_"+t]=g}else Draw_Chart_NoData(t,"No data to display");else Draw_Chart_NoData(t,"No data to display")}function getLimit(t,e,a,i){var n,o=0;return n="x"==e?t.map((function(t){return t.x})):t.map((function(t){return t.y})),o="max"==a?Math.max.apply(Math,n):Math.min.apply(Math,n),"max"==a&&0==o&&0==i&&(o=1),o}function getAverage(t){for(var e=0,a=0;a<t.length;a++)e+=1*t[a].y;return e/t.length}function round(t,e){return Number(Math.round(t+"e"+e)+"e-"+e)}function ToggleLines(){""==ShowLines?(ShowLines="line",SetCookie("ShowLines","line")):(ShowLines="",SetCookie("ShowLines",""));for(var t=0;t<metriclist.length;t++){for(var e=0;e<3;e++)window["LineChart_"+metriclist[t]].options.annotation.annotations[e].type=ShowLines;window["LineChart_"+metriclist[t]].update()}}function ToggleFill(){"false"==ShowFill?(ShowFill="origin",SetCookie("ShowFill","origin")):(ShowFill="false",SetCookie("ShowFill","false"));for(var t=0;t<metriclist.length;t++)window["LineChart_"+metriclist[t]].data.datasets[0].fill=ShowFill,window["LineChart_"+metriclist[t]].update()}function redrawAllCharts(){for(var t=0;t<metriclist.length;t++){Draw_Chart_NoData(metriclist[t],"Data loading...");for(var e=0;e<chartlist.length;e++)for(var a=0;a<dataintervallist.length;a++)d3.csv("/ext/ntpmerlin/csv/"+metriclist[t]+"_"+dataintervallist[a]+"_"+chartlist[e]+".htm").then(SetGlobalDataset.bind(null,metriclist[t]+"_"+dataintervallist[a]+"_"+chartlist[e]))}}function SetGlobalDataset(t,e){if(window[t]=e,++currentNoCharts==maxNoCharts){document.getElementById("ntpupdate_text").innerHTML="",showhide("imgNTPUpdate",!1),showhide("ntpupdate_text",!1),showhide("btnUpdateStats",!0),showhide("databaseSize_text",!0);for(var a=0;a<metriclist.length;a++)$("#"+metriclist[a]+"_Interval").val(GetCookie(metriclist[a]+"_Interval","number")),changePeriod(document.getElementById(metriclist[a]+"_Interval")),$("#"+metriclist[a]+"_Period").val(GetCookie(metriclist[a]+"_Period","number")),Draw_Chart(metriclist[a],metriclist[a],measureunitlist[a],bordercolourlist[a],backgroundcolourlist[a]);AddEventHandlers(),get_lastx_file()}}function getTimeFormat(t,e){var a;return"axis"==e?0==t?a={millisecond:"HH:mm:ss.SSS",second:"HH:mm:ss",minute:"HH:mm",hour:"HH:mm"}:1==t&&(a={millisecond:"h:mm:ss.SSS A",second:"h:mm:ss A",minute:"h:mm A",hour:"h A"}):"tooltip"==e&&(0==t?a="YYYY-MM-DD HH:mm:ss":1==t&&(a="YYYY-MM-DD h:mm:ss A")),a}function GetCookie(t,e){return null!=cookie.get("ntp_"+t)?cookie.get("ntp_"+t):"string"==e?"":"number"==e?0:void 0}function SetCookie(t,e){cookie.set("ntp_"+t,e,3650)}function AddEventHandlers(){$(".collapsible-jquery").off("click").on("click",(function(){$(this).siblings().toggle("fast",(function(){"none"==$(this).css("display")?SetCookie($(this).siblings()[0].id,"collapsed"):SetCookie($(this).siblings()[0].id,"expanded")}))})),$(".collapsible-jquery").each((function(t,e){"collapsed"==GetCookie($(this)[0].id,"string")?$(this).siblings().toggle(!1):$(this).siblings().toggle(!0)}))}function setCurrentPage(){document.form.next_page.value=window.location.pathname.substring(1),document.form.current_page.value=window.location.pathname.substring(1)}function ErrorCSVExport(){document.getElementById("aExport").href="javascript:alert('Error exporting CSV,please refresh the page and try again')"}function ParseCSVExport(t){for(var e="Timestamp,Offset,Frequency,Sys_Jitter,Clk_Jitter,Clk_Wander,Rootdisp\n",a=0;a<t.length;a++){var i=t[a].Timestamp+","+t[a].Offset+","+t[a].Frequency+","+t[a].Sys_Jitter+","+t[a].Clk_Jitter+","+t[a].Clk_Wander+","+t[a].Rootdisp;e+=a<t.length-1?i+"\n":i}document.getElementById("aExport").href="data:text/csv;charset=utf-8,"+encodeURIComponent(e)}function initial(){setCurrentPage(),loadCustomSettings(),show_menu(),$("#sortTableContainer").empty(),$("#sortTableContainer").append(BuildLastXTableNoData()),getConfigFile(),d3.csv("/ext/ntpmerlin/csv/CompleteResults.htm").then((function(t){ParseCSVExport(t)})).catch((function(){ErrorCSVExport()})),$("#Time_Format").val(GetCookie("Time_Format","number")),scriptUpdateLayout(),getStatsTitleFile(),showhide("databaseSize_text",!0),showhide("jffsFreeSpace_text",!0),showhide("jffsFreeSpace_LOW",!1),showhide("jffsFreeSpace_WARN",!1),showhide("jffsFreeSpace_NOTE",!1),redrawAllCharts()}function scriptUpdateLayout(){var t=GetVersionNumber("local"),e=GetVersionNumber("server");$("#ntpmerlin_version_local").text(t),t!=e&&"N/A"!=e&&($("#ntpmerlin_version_server").text("Updated version available: "+e),showhide("btnChkUpdate",!1),showhide("ntpmerlin_version_server",!0),showhide("btnDoUpdate",!0))}function reload(){location.reload(!0)}function validateNumberSetting(t,e,a){t.name;var i=1*t.value;return i>e||i<a?($(t).addClass("invalid"),!1):($(t).removeClass("invalid"),!0)}function formatNumberSetting(t){t.name;var e=1*t.value;return 0!=t.value.length&&NaN!=e&&(t.value=parseInt(t.value),!0)}$(document).keydown((function(t){keyHandler(t)})),$(document).keyup((function(t){$(document).keydown((function(t){keyHandler(t)}))})),$.fn.serializeObject=function(){var t=custom_settings,e=this.serializeArray();return $.each(e,(function(){void 0!==t[this.name]&&-1!=this.name.indexOf("ntpmerlin")&&-1==this.name.indexOf("version")?(t[this.name].push||(t[this.name]=[t[this.name]]),t[this.name].push(this.value||"")):-1!=this.name.indexOf("ntpmerlin")&&-1==this.name.indexOf("version")&&(t[this.name]=this.value||"")})),t};const theDaysToKeepMIN=15,theDaysToKeepDEF=30,theDaysToKeepMAX=365,theDaysToKeepTXT=`(between ${theDaysToKeepMIN} and ${theDaysToKeepMAX}, default: ${theDaysToKeepDEF})`,theLastXResultsMIN=5,theLastXResultsDEF=10,theLastXResultsMAX=100,theLastXResultsTXT=`(between ${theLastXResultsMIN} and ${theLastXResultsMAX}, default: ${theLastXResultsDEF})`;function validateAll(){var t=!1;return validateNumberSetting(document.form.ntpmerlin_lastxresults,theLastXResultsMAX,theLastXResultsMIN)||(t=!0),validateNumberSetting(document.form.ntpmerlin_daystokeep,theDaysToKeepMAX,theDaysToKeepMIN)||(t=!0),!t||(alert("**ERROR**\nValidation for some fields failed.\nPlease correct invalid values and try again."),!1)}function getChartPeriod(t){var e="daily";return 0==t?e="daily":1==t?e="weekly":2==t&&(e="monthly"),e}function getChartInterval(t){var e="raw";return 0==t?e="raw":1==t?e="hour":2==t&&(e="day"),e}function changePeriod(t){value=1*t.value,name=t.id.substring(0,t.id.indexOf("_")),2==value?$('select[id="'+name+'_Period"] option:contains(24)').text("Today"):$('select[id="'+name+'_Period"] option:contains("Today")').text("Last 24 hours")}function ResetZoom(){for(var t=0;t<metriclist.length;t++){var e=window["LineChart_"+metriclist[t]];null!=e&&e.resetZoom()}}function ToggleDragZoom(t){var e=!0,a=!1,i="";-1!=t.value.indexOf("On")?(e=!1,a=!0,DragZoom=!1,ChartPan=!0,i="Drag Zoom Off"):(e=!0,a=!1,DragZoom=!0,ChartPan=!1,i="Drag Zoom On");for(var n=0;n<metriclist.length;n++){var o=window["LineChart_"+metriclist[n]];null!=o&&(o.options.plugins.zoom.zoom.drag=e,o.options.plugins.zoom.pan.enabled=a,t.value=i,o.update())}}function update_status(){$.ajax({url:"/ext/ntpmerlin/detect_update.js",dataType:"script",error:function(t){setTimeout(update_status,1e3)},success:function(){"InProgress"==updatestatus?setTimeout(update_status,1e3):(document.getElementById("imgChkUpdate").style.display="none",showhide("ntpmerlin_version_server",!0),"None"!=updatestatus?($("#ntpmerlin_version_server").text("Updated version available: "+updatestatus),showhide("btnChkUpdate",!1),showhide("btnDoUpdate",!0)):($("#ntpmerlin_version_server").text("No update available"),showhide("btnChkUpdate",!0),showhide("btnDoUpdate",!1)))}})}function checkUpdate(){showhide("btnChkUpdate",!1),document.formScriptActions.action_script.value="start_ntpmerlincheckupdate",document.formScriptActions.submit(),document.getElementById("imgChkUpdate").style.display="",setTimeout(update_status,2e3)}function doUpdate(){document.form.action_script.value="start_ntpmerlindoupdate",document.form.action_wait.value=10,showLoading(),document.form.submit()}function update_ntpstats(){$.ajax({url:"/ext/ntpmerlin/detect_ntpmerlin.js",dataType:"script",error:function(t){setTimeout(update_ntpstats,1e3)},success:function(){"InProgress"==ntpstatus?setTimeout(update_ntpstats,1e3):"GenerateCSV"==ntpstatus?(document.getElementById("ntpupdate_text").innerHTML="Retrieving data for charts...",setTimeout(update_ntpstats,1e3)):"Done"==ntpstatus&&(document.getElementById("ntpupdate_text").innerHTML="Refreshing charts...",postNTPUpdate())}})}function postNTPUpdate(){currentNoCharts=0,$("#Time_Format").val(GetCookie("Time_Format","number")),getStatsTitleFile(),setTimeout(redrawAllCharts,3e3)}function updateStats(){showhide("btnUpdateStats",!1),showhide("databaseSize_text",!1),document.formScriptActions.action_script.value="start_ntpmerlin",document.formScriptActions.submit(),document.getElementById("ntpupdate_text").innerHTML="Retrieving timeserver stats",showhide("imgNTPUpdate",!0),showhide("ntpupdate_text",!0),setTimeout(update_ntpstats,5e3)}function saveConfig(){validateAll()&&(document.getElementById("amng_custom").value=JSON.stringify($("form").serializeObject()),document.form.action_script.value="start_ntpmerlinconfig",document.form.action_wait.value=10,showLoading(),document.form.submit())}function GetVersionNumber(t){var e;return"local"==t?e=custom_settings.ntpmerlin_version_local:"server"==t&&(e=custom_settings.ntpmerlin_version_server),void 0===e||null==e?"N/A":e}function getConfigFile(){$.ajax({url:"/ext/ntpmerlin/config.htm",dataType:"text",error:function(t){setTimeout(getConfigFile,1e3)},success:function(data){let settingname,settingvalue;var configdata=data.split("\n");configdata=configdata.filter(Boolean);for(var indx=0;indx<configdata.length;indx++)0!==configdata[indx].length&&null===configdata[indx].match("^[ ]*#")&&(settingname=configdata[indx].split("=")[0],settingvalue=configdata[indx].split("=")[1].replace(/(\r\n|\n|\r)/gm,""),null==settingname.match(/^JFFS_MSGLOGTIME/)&&(settingname=settingname.toLowerCase(),eval("document.form.ntpmerlin_"+settingname).value=settingvalue));document.getElementById("theDaysToKeepText").textContent=theDaysToKeepTXT,document.getElementById("theLastXResultsText").textContent=theLastXResultsTXT}})}function getStatsTitleFile(){$.ajax({url:"/ext/ntpmerlin/ntpstatstext.js",dataType:"script",error:function(t){setTimeout(getStatsTitleFile,2e3)},success:function(){SetNTPDStatsTitle(),document.getElementById("databaseSize_text").textContent="Database Size: "+sqlDatabaseFileSize,null===jffsAvailableSpaceLow.match(/^WARNING[0-9]/)?(showhide("jffsFreeSpace_LOW",!1),showhide("jffsFreeSpace_NOTE",!1),showhide("jffsFreeSpace_WARN",!1),document.getElementById("jffsFreeSpace_text").textContent="JFFS Available: "+jffsAvailableSpaceStr):(document.getElementById("jffsFreeSpace_text").textContent="JFFS Available: ",document.getElementById("jffsFreeSpace_LOW").textContent=jffsAvailableSpaceStr,showhide("jffsFreeSpace_LOW",!0),"jffs"===document.form.ntpmerlin_storagelocation.value?(showhide("jffsFreeSpace_NOTE",!1),showhide("jffsFreeSpace_WARN",!0)):(showhide("jffsFreeSpace_WARN",!1),showhide("jffsFreeSpace_NOTE",!0))),1===databaseResetDone&&(currentNoCharts=0,$("#Time_Format").val(GetCookie("Time_Format","number")),redrawAllCharts(),databaseResetDone+=1),setTimeout(getStatsTitleFile,4e3)}})}function get_lastx_file(){$.ajax({url:"/ext/ntpmerlin/lastx.htm",dataType:"text",error:function(t){setTimeout(get_lastx_file,1e3)},success:function(t){ParseLastXData(t)}})}function ParseLastXData(t){var e=t.split("\n");e=e.filter(Boolean),arraysortlistlines=[];for(var a=0;a<e.length;a++)try{var i=e[a].split(","),n=new Object;n.Time=moment.unix(i[0].trim()).format("YYYY-MM-DD HH:mm:ss"),n.Offset=i[1].trim(),n.Drift=i[2].trim(),arraysortlistlines.push(n)}catch{}SortTable(sortname+" "+sortdir.replace("desc","↑").replace("asc","↓").trim())}function SortTable(sorttext){sortname=sorttext.replace("↑","").replace("↓","").trim();var sorttype="number",sortfield=sortname;switch(sortname){case"Time":sorttype="date";break}"string"==sorttype?-1==sorttext.indexOf("↓")&&-1==sorttext.indexOf("↑")||-1!=sorttext.indexOf("↓")?(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => (a."+sortfield+" > b."+sortfield+") ? 1 : ((b."+sortfield+" > a."+sortfield+") ? -1 : 0));"),sortdir="asc"):(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => (a."+sortfield+" < b."+sortfield+") ? 1 : ((b."+sortfield+" < a."+sortfield+") ? -1 : 0));"),sortdir="desc"):"number"==sorttype?-1==sorttext.indexOf("↓")&&-1==sorttext.indexOf("↑")?(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => parseFloat(a."+sortfield+'.replace("m","000")) - parseFloat(b.'+sortfield+'.replace("m","000")));'),sortdir="asc"):-1!=sorttext.indexOf("↓")?(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => parseFloat(a."+sortfield+'.replace("m","000")) - parseFloat(b.'+sortfield+'.replace("m","000"))); '),sortdir="asc"):(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => parseFloat(b."+sortfield+'.replace("m","000")) - parseFloat(a.'+sortfield+'.replace("m","000")));'),sortdir="desc"):"date"==sorttype&&(-1==sorttext.indexOf("↓")&&-1==sorttext.indexOf("↑")||-1!=sorttext.indexOf("↓")?(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => new Date(a."+sortfield+") - new Date(b."+sortfield+"));"),sortdir="asc"):(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => new Date(b."+sortfield+") - new Date(a."+sortfield+"));"),sortdir="desc")),$("#sortTableContainer").empty(),$("#sortTableContainer").append(BuildLastXTable()),$(".sortable").each((function(t,e){e.innerHTML.replace(/ \(.*\)/,"").replace(" ","")==sortname&&(e.innerHTML="asc"==sortdir?e.innerHTML+" ↑":e.innerHTML+" ↓")}))}function BuildLastXTableNoData(){return"<tr>",'<td colspan="3" class="nodata">',"Data loading...","</td>","</tr>","</table>",'<table width="100%" border="1" align="center" cellpadding="4" cellspacing="0" bordercolor="#6b8fa3" class="sortTable"><tr><td colspan="3" class="nodata">Data loading...</td></tr></table>'}function BuildLastXTable(){var t='<table width="100%" border="1" align="center" cellpadding="4" cellspacing="0" bordercolor="#6b8fa3" class="sortTable">';t+='<col style="width:150px;">',t+='<col style="width:280px;">',t+='<col style="width:280px;">',t+='<thead class="sortTableHeader">',t+="<tr>",t+='<th class="sortable" onclick="SortTable(this.innerHTML.replace(/ \\(.*\\)/,\'\'))">Time</th>',t+='<th class="sortable" onclick="SortTable(this.innerHTML.replace(/ \\(.*\\)/,\'\'))">Offset (ms)</th>',t+='<th class="sortable" onclick="SortTable(this.innerHTML.replace(/ \\(.*\\)/,\'\'))">Drift (ppm)</th>',t+="</tr>",t+="</thead>",t+='<tbody class="sortTableContent">';for(var e=0;e<arraysortlistlines.length;e++)t+='<tr class="sortRow">',t+="<td>"+arraysortlistlines[e].Time+"</td>",t+="<td>"+arraysortlistlines[e].Offset+"</td>",t+="<td>"+arraysortlistlines[e].Drift+"</td>",t+="</tr>";return t+="</tbody>",t+="</table>"}function changeChart(t){value=1*t.value,name=t.id.substring(0,t.id.indexOf("_")),SetCookie(t.id,value),"Offset"==name?Draw_Chart("Offset",metriclist[0],measureunitlist[0],bordercolourlist[0],backgroundcolourlist[0]):"Drift"==name&&Draw_Chart("Drift",metriclist[1],measureunitlist[1],bordercolourlist[1],backgroundcolourlist[1])}function changeAllCharts(t){value=1*t.value,name=t.id.substring(0,t.id.indexOf("_")),SetCookie(t.id,value);for(var e=0;e<metriclist.length;e++)Draw_Chart(metriclist[e],metriclist[e],measureunitlist[e],bordercolourlist[e],backgroundcolourlist[e])}
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window.localStorage.getItem(t)},set:function(t,e,a){window.localStorage.setItem(t,String(e))},unset:function(t){window.localStorage.removeItem(t)}}),$.fn.serializeObject=function(){var t=custom_settings,e=this.serializeArray();return $.each(e,(function(){void 0!==t[this.name]&&-1!=this.name.indexOf("ntpmerlin")&&-1==this.name.indexOf("version")?(t[this.name].push||(t[this.name]=[t[this.name]]),t[this.name].push(this.value||"")):-1!=this.name.indexOf("ntpmerlin")&&-1==this.name.indexOf("version")&&(t[this.name]=this.value||"")})),t};const theDaysToKeepMIN=15,theDaysToKeepDEF=30,theDaysToKeepMAX=365,theDaysToKeepTXT=`(between ${theDaysToKeepMIN} and ${theDaysToKeepMAX}, default: ${theDaysToKeepDEF})`,theLastXResultsMIN=5,theLastXResultsDEF=10,theLastXResultsMAX=100,theLastXResultsTXT=`(between ${theLastXResultsMIN} and ${theLastXResultsMAX}, default: ${theLastXResultsDEF})`;function validateAll(){var t=!1;return validateNumberSetting(document.form.ntpmerlin_lastxresults,theLastXResultsMAX,theLastXResultsMIN)||(t=!0),validateNumberSetting(document.form.ntpmerlin_daystokeep,theDaysToKeepMAX,theDaysToKeepMIN)||(t=!0),!t||(alert("**ERROR**\nValidation for some fields failed.\nPlease correct invalid values and try again."),!1)}function getChartPeriod(t){var e="daily";return 0==t?e="daily":1==t?e="weekly":2==t&&(e="monthly"),e}function getChartInterval(t){var e="raw";return 0==t?e="raw":1==t?e="hour":2==t&&(e="day"),e}function changePeriod(t){value=1*t.value,name=t.id.substring(0,t.id.indexOf("_")),2==value?$('select[id="'+name+'_Period"] option:contains(24)').text("Today"):$('select[id="'+name+'_Period"] option:contains("Today")').text("Last 24 hours")}function ResetZoom(){for(var t=0;t<metriclist.length;t++){var e=window["LineChart_"+metriclist[t]];null!=e&&e.resetZoom()}}function ToggleDragZoom(t){var e=!0,a=!1,i="";-1!=t.value.indexOf("On")?(e=!1,a=!0,DragZoom=!1,ChartPan=!0,i="Drag Zoom 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checkUpdate(){showhide("btnChkUpdate",!1),document.formScriptActions.action_script.value="start_ntpmerlincheckupdate",document.formScriptActions.submit(),document.getElementById("imgChkUpdate").style.display="",setTimeout(update_status,2e3)}function doUpdate(){document.form.action_script.value="start_ntpmerlindoupdate",document.form.action_wait.value=10,showLoading(),document.form.submit()}function update_ntpstats(){$.ajax({url:"/ext/ntpmerlin/detect_ntpmerlin.js",dataType:"script",error:function(t){setTimeout(update_ntpstats,1e3)},success:function(){"InProgress"==ntpstatus?setTimeout(update_ntpstats,1e3):"GenerateCSV"==ntpstatus?(document.getElementById("ntpupdate_text").innerHTML="Retrieving data for charts...",setTimeout(update_ntpstats,1e3)):"Done"==ntpstatus&&(document.getElementById("ntpupdate_text").innerHTML="Refreshing charts...",postNTPUpdate())}})}function 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getStatsTitleFile(){$.ajax({url:"/ext/ntpmerlin/ntpstatstext.js",dataType:"script",error:function(t){setTimeout(getStatsTitleFile,2e3)},success:function(){SetNTPDStatsTitle(),document.getElementById("databaseSize_text").textContent="Database Size: "+sqlDatabaseFileSize,null===jffsAvailableSpaceLow.match(/^WARNING[0-9]/)?(showhide("jffsFreeSpace_LOW",!1),showhide("jffsFreeSpace_NOTE",!1),showhide("jffsFreeSpace_WARN",!1),document.getElementById("jffsFreeSpace_text").textContent="JFFS Available: "+jffsAvailableSpaceStr):(document.getElementById("jffsFreeSpace_text").textContent="JFFS Available: 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arraysortlistlines.sort((a,b) => parseFloat(a."+sortfield+'.replace("m","000")) - parseFloat(b.'+sortfield+'.replace("m","000"))); '),sortdir="asc"):(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => parseFloat(b."+sortfield+'.replace("m","000")) - parseFloat(a.'+sortfield+'.replace("m","000")));'),sortdir="desc"):"date"==sorttype&&(-1==sorttext.indexOf("↓")&&-1==sorttext.indexOf("↑")||-1!=sorttext.indexOf("↓")?(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => new Date(a."+sortfield+") - new Date(b."+sortfield+"));"),sortdir="asc"):(eval("arraysortlistlines = arraysortlistlines.sort((a,b) => new Date(b."+sortfield+") - new Date(a."+sortfield+"));"),sortdir="desc")),$("#sortTableContainer").empty(),$("#sortTableContainer").append(BuildLastXTable()),$(".sortable").each((function(t,e){e.innerHTML.replace(/ \(.*\)/,"").replace(" ","")==sortname&&(e.innerHTML="asc"==sortdir?e.innerHTML+" ↑":e.innerHTML+" ↓")}))}function BuildLastXTableNoData(){return"<tr>",'<td colspan="3" class="nodata">',"Data loading...","</td>","</tr>","</table>",'<table width="100%" border="1" align="center" cellpadding="4" cellspacing="0" bordercolor="#6b8fa3" class="sortTable"><tr><td colspan="3" class="nodata">Data loading...</td></tr></table>'}function BuildLastXTable(){var t='<table width="100%" border="1" align="center" cellpadding="4" cellspacing="0" bordercolor="#6b8fa3" class="sortTable">';t+='<col style="width:150px;">',t+='<col style="width:280px;">',t+='<col style="width:280px;">',t+='<thead class="sortTableHeader">',t+="<tr>",t+='<th class="sortable" onclick="SortTable(this.innerHTML.replace(/ \\(.*\\)/,\'\'))">Time</th>',t+='<th class="sortable" onclick="SortTable(this.innerHTML.replace(/ \\(.*\\)/,\'\'))">Offset (ms)</th>',t+='<th class="sortable" onclick="SortTable(this.innerHTML.replace(/ \\(.*\\)/,\'\'))">Drift (ppm)</th>',t+="</tr>",t+="</thead>",t+='<tbody class="sortTableContent">';for(var e=0;e<arraysortlistlines.length;e++)t+='<tr class="sortRow">',t+="<td>"+arraysortlistlines[e].Time+"</td>",t+="<td>"+arraysortlistlines[e].Offset+"</td>",t+="<td>"+arraysortlistlines[e].Drift+"</td>",t+="</tr>";return t+="</tbody>",t+="</table>"}function changeChart(t){value=1*t.value,name=t.id.substring(0,t.id.indexOf("_")),SetCookie(t.id,value),"Offset"==name?Draw_Chart("Offset",metriclist[0],measureunitlist[0],bordercolourlist[0],backgroundcolourlist[0]):"Drift"==name&&Draw_Chart("Drift",metriclist[1],measureunitlist[1],bordercolourlist[1],backgroundcolourlist[1])}function changeAllCharts(t){value=1*t.value,name=t.id.substring(0,t.id.indexOf("_")),SetCookie(t.id,value);for(var e=0;e<metriclist.length;e++)Draw_Chart(metriclist[e],metriclist[e],measureunitlist[e],bordercolourlist[e],backgroundcolourlist[e])}
 
 </script>
 </head>
diff --git a/ntpdstats_www.js b/ntpdstats_www.js
index 5cd8278..0f4c97e 100644
--- a/ntpdstats_www.js
+++ b/ntpdstats_www.js
@@ -1,3 +1,6 @@
+/**----------------------------**/
+/** Last Modified: 2026-Jun-24 **/
+/**----------------------------**/
 
 var arraysortlistlines = [];
 var sortname = 'Time';
@@ -443,6 +446,35 @@ function getTimeFormat(value,format)
 	return timeformat;
 }
 
+/**----------------------------------------------------------------**
+ ** Compatibility layer for the latest AsusWRT6 routers, such as
+ ** the GT-BE19000AI, where the previous global 'cookie' helper 
+ ** functions defined in the 'state.js' file are now removed in 
+ ** favour of using the "window.localStorage" property.
+ **----------------------------------------------------------------**/
+if (typeof window.cookie === "undefined" ||
+    typeof window.cookie.get !== "function" ||
+    typeof window.cookie.set !== "function")
+{
+    window.cookie = {
+        get: function (key) {
+            return window.localStorage.getItem(key);
+        },
+
+        /** In the previous 'cookie' function a 3rd argument was given for 'days' **/
+        /** Here, we ignore the value because there is no expiration date anymore **/
+        set: function (key, value, days) {
+            window.localStorage.setItem(key, String(value));
+        },
+
+        unset: function (key) {
+            window.localStorage.removeItem(key);
+        }
+    };
+
+    console.log("Installed localStorage compatibility for cookie API.");
+}
+
 function GetCookie(cookiename,returntype){
 	var s;
 	if((s = cookie.get('ntp_'+cookiename)) != null){
diff --git a/ntpmerlin.sh b/ntpmerlin.sh
index ccccb4a..b4dc06f 100644
--- a/ntpmerlin.sh
+++ b/ntpmerlin.sh
@@ -14,7 +14,7 @@
 ##     Forked from https://github.com/jackyaz/ntpMerlin     ##
 ##                                                          ##
 ##############################################################
-# Last Modified: 2026-Apr-15
+# Last Modified: 2026-Jun-24
 #-------------------------------------------------------------
 
 ###############       Shellcheck directives      #############
@@ -37,7 +37,7 @@
 readonly SCRIPT_NAME="ntpMerlin"
 readonly SCRIPT_NAME_LOWER="$(echo "$SCRIPT_NAME" | tr 'A-Z' 'a-z' | sed 's/d//')"
 readonly SCRIPT_VERSION="v3.4.16"
-readonly SCRIPT_VERSTAG="26041500"
+readonly SCRIPT_VERSTAG="26062400"
 SCRIPT_BRANCH="develop"
 SCRIPT_REPO="https://raw.githubusercontent.com/AMTM-OSR/$SCRIPT_NAME/$SCRIPT_BRANCH"
 readonly SCRIPT_DIR="/jffs/addons/$SCRIPT_NAME_LOWER.d"