When I click onto.... Server--->Statistics I get this error....

PeriodicalExecuter.prototype.registerCallback = function() { this.intervalID = setInterval(this.onTimerEvent.bind(this), this.frequency * 1000); } PeriodicalExecuter.prototype.stop = function() { clearInterval(this.intervalID); } DWREngine.setErrorHandler(handleError); window.onerror = handleError; function handleError() { // swallow errors: probably caused by the server being down } var peStats = new PeriodicalExecuter(statsUpdater, 30); var currentTimePeriod = 'last24hours'; function statsUpdater() { try { Stats.getUpdatedStats(currentTimePeriod, updateStats); } catch(err) { // swallow errors } } function changeTimePeriod(period) { if (currentTimePeriod != period) { $(currentTimePeriod).className = ''; $(period).className = 'timeControl'; currentTimePeriod = period; createCookie("openfire-dashboard-timeperiod",currentTimePeriod,1000); Stats.getUpdatedStats(currentTimePeriod, updateStats); } } function updateStats(stats) { for (var stat in stats) { updateTable(stat, stats[stat]); if (stat == 'conversations' || stat == 'packet_count' || stat == 'sessions') { updateGraph('sparklines-' + stat, 'stat=' + stat + '&sparkline=true'); } else { updateGraph('sparklines-' + stat, 'stat=' + stat + '&sparkline=true&color=dark'); } } } function updateTable(id, data) { $(id + '.low').innerHTML = data.low; $(id + '.high').innerHTML = data.high; if ($(id + '.count') != undefined) { $(id + '.count').innerHTML = data.count; } } function updateGraph(graphid, graphkey) { var d = new Date(); var t = d.getTime() $(graphid).src = 'graph?' + graphkey + '&t=' + t + "&timeperiod=" + currentTimePeriod + "&format=png"; statParam = graphkey.split('&'); statName = statParam[0].split('='); if (isSnapshotDetailVisible && currentSnapshot == statName[1]) { viewElement = $('snapshot-detail-image'); viewElement.src = 'graph?stat=' + statName[1] + '&t=' + t + '&timeperiod=' + currentTimePeriod + '&width=700&height=250&format=png' } } var lastConversationID = 0; var getConversationsDelay = 10000; var insertConversationsDelay = 2000; var peGetConversations; var peInsertConversations; var conversations = new Array(); function startupConversations() { conversationUpdater(); peGetConversations = new PeriodicalExecuter(conversationUpdater, getConversationsDelay/1000); } function conversationUpdater() { Stats.getNLatestConversations(6, lastConversationID, updateConversations); } function updateConversations(data) { // list of map objects with users, lastactivity, messages keys if (data.length > 0) { for (var i=0; i 0 && Math.round(getConversationsDelay/(data.length)) > 2000) { insertConversationsDelay = Math.round(10000/(data.length)); } else { insertConversationsDelay = 2000; } if (peInsertConversations) { peInsertConversations.stop(); } peInsertConversations = new PeriodicalExecuter(insertConversation, insertConversationsDelay/1000); } function insertConversation() { if (conversations.length > 0) { if ($('conversations-scroller-none') != undefined) { Element.hide('conversations-scroller-none'); Element.show('conversations-scroller'); } var conversation = conversations.shift(); convTableID = 'conversations-scroller'; var tbody = $(convTableID); var rows = tbody.getElementsByTagName("div"); for (var i = rows.length-1; i > 0; i--) { rows+.innerHTML = rows[i-1].innerHTML; } newRow = document.createElement("div"); newRow.setAttribute("class", "conversation"); newRow.setAttribute('conversationid', conversation.conversationid); users = conversation.users; userString = ''; for (i=0; i "; } newRowHTML = '' + '' + '' + '' + '' + '' + '' + '' + '|!http://ftmw2k3web01:9090/plugins/monitoring/images/blank.gif!|' +              & nbsp; userString +              & nbsp; '|' +              & nbsp; conversation.lastactivity +              & nbsp; '||' + conversation.messages + '|

'; newRow.innerHTML = newRowHTML; if (!isIE()) { rows[0].style.display = 'none'; rows[0].innerHTML = newRow.innerHTML; new Effect.Appear(rows[0]); } else { rows[0].innerHTML = newRow.innerHTML; } } } function isIE() { return navigator.appName.indexOf('Microsoft') != -1; } var isSnapshotDetailVisible = false; var currentSnapshot = ''; function displaySnapshotDetail(snapshot) { if (!isSnapshotDetailVisible) { $('snapshot-detail-image').src = 'graph?stat=' + s