diff --git a/checks/SkyCheckState.cs b/checks/SkyCheckState.cs
index 7a27d83..ba7a0b9 100644
--- a/checks/SkyCheckState.cs
+++ b/checks/SkyCheckState.cs
@@ -17,11 +17,14 @@ namespace ln.skyscanner.checks
 {
     public enum CheckState { OK, WARN, CRITICAL, FAIL, ERROR }
 
-    public struct CheckStateChange
+    public class CheckStateChange
     {
         public CheckState NewState;
         public DateTime Timestamp;
 
+        private CheckStateChange()
+        {
+        }
         public CheckStateChange(CheckState checkState)
         {
             NewState = checkState;
diff --git a/services/PerformanceValueService.cs b/services/PerformanceValueService.cs
index 9e38471..59717f8 100644
--- a/services/PerformanceValueService.cs
+++ b/services/PerformanceValueService.cs
@@ -108,11 +108,11 @@ namespace ln.skyscanner.services
                 PerformanceValueService = performanceValueService;
             }
 
-            public PerfValue[] GetPerfData(string[] perfPath,int timeWindow = 3600)
+            public PerfValue[] GetPerfData(string[] perfPath,int timeWindow,int timeSkip)
             {
                 PerfFile perfFile = PerformanceValueService.GetPerfFile(perfPath);
                 perfFile.EnsureOpen();
-                PerfValue[] perfData = perfFile.QueryTime(timeWindow, 0);
+                PerfValue[] perfData = perfFile.QueryTime(timeWindow, timeSkip);
                 return perfData;
             }
         }
diff --git a/skyscanner.sln b/skyscanner.sln
index aaf981f..4a0ea33 100644
--- a/skyscanner.sln
+++ b/skyscanner.sln
@@ -21,6 +21,8 @@ Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ln.application", "..\ln.app
 EndProject
 Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "ln.json", "..\ln.json\ln.json.csproj", "{D9342117-3249-4D8B-87C9-51A50676B158}"
 EndProject
+Project("{FAE04EC0-301F-11D3-BF4B-00C04F79EFBC}") = "odb.tool", "..\odb.tool\odb.tool.csproj", "{24C9C372-DCA6-420D-ACD3-5C89C6935D6A}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|x86 = Debug|x86
@@ -67,5 +69,9 @@ Global
 		{D9342117-3249-4D8B-87C9-51A50676B158}.Debug|x86.Build.0 = Debug|Any CPU
 		{D9342117-3249-4D8B-87C9-51A50676B158}.Release|x86.ActiveCfg = Release|Any CPU
 		{D9342117-3249-4D8B-87C9-51A50676B158}.Release|x86.Build.0 = Release|Any CPU
+		{24C9C372-DCA6-420D-ACD3-5C89C6935D6A}.Debug|x86.ActiveCfg = Debug|x86
+		{24C9C372-DCA6-420D-ACD3-5C89C6935D6A}.Debug|x86.Build.0 = Debug|x86
+		{24C9C372-DCA6-420D-ACD3-5C89C6935D6A}.Release|x86.ActiveCfg = Release|x86
+		{24C9C372-DCA6-420D-ACD3-5C89C6935D6A}.Release|x86.Build.0 = Release|x86
 	EndGlobalSection
 EndGlobal
diff --git a/www/css/style.css b/www/css/style.css
index b5607be..1f1bd39 100644
--- a/www/css/style.css
+++ b/www/css/style.css
@@ -481,4 +481,12 @@ span#nWARN, span#nCRITICAL, span#nOK {
     text-decoration: underline;
 }
 
+input.ln-slider {
+    display: block;
+    width: 100%;
+}
+div.ln-slider {
+    width: 360px;
+    text-align: center;
+}
 
diff --git a/www/vue/ln.skyscanner.js b/www/vue/ln.skyscanner.js
index caa87d4..8455e27 100644
--- a/www/vue/ln.skyscanner.js
+++ b/www/vue/ln.skyscanner.js
@@ -28,6 +28,9 @@
 
             this.currentNodes = [];
 
+            this.currentAction = "";
+            this.currentState = "";
+
             this.issues = {
                 OK: 0,
                 WARN: 0,
@@ -50,6 +53,14 @@
             return initializers;
         }
 
+        action(msg){
+            this.currentAction = msg;
+        }
+
+        state(msg){
+            this.currentState = msg;
+        }
+
         wsUpdate(state)
         {
             try
@@ -80,11 +91,12 @@
 
         updateIssues(){
             var self = this;
-            console.log("Update issue list");
 
-            LN().rpc("CheckService","GetIssueList",[],function(r,e){
+            this.action("updating issue list...");
+
+            LN().rpc("CheckService","GetIssueList",[],(r,e) => {
                 if (e){
-                    alert("Error fetching current issue list!\n" + JSON.stringify(e));
+                    self.state("Error fetching current issue list!\n" + JSON.stringify(e));
                 } else {
                     self.currentIssues = r;
 
@@ -103,6 +115,7 @@
                     self.lastIssueUpdate = moment().format();
                 }
                 self.currentTimeout = setTimeout(function(){ self.updateIssues(); }, 10000);
+                this.action("");
             });
         }
 
@@ -153,7 +166,9 @@
         loadNode(nodeID,cb,refreshIntervall){
             var self = this;
 
-            LN().rpc("entities","GetNode",[nodeID,],function(r,e){
+            this.action("loading node " + nodeID);
+
+            LN().rpc("entities","GetNode",[nodeID,],(r,e) => {
                 if (refreshIntervall && self.currentTimeout)
                     clearTimeout(self.currentTimeout);
 
@@ -164,6 +179,8 @@
                     setTimeout(()=>{
                         self.loadNode(nodeID,cb,refreshIntervall);
                     }, refreshIntervall);
+                
+                this.action("");
             });    
         }
 
@@ -172,8 +189,8 @@
             return ("" + t).replace( /[\.\/]/g, "_");
         }
 
-        loadPerformanceGraph(perfPath,interval,cb){
-            LN().rpc("perfValues","GetPerfData",[perfPath,interval],(perfData,e)=>{
+        loadPerformanceGraph(perfPath,interval,shift,cb){
+            LN().rpc("perfValues","GetPerfData",[perfPath,interval,shift],(perfData,e)=>{
                 if (e){
                     console.log(e);
                 } else {
diff --git a/www/vue/ln.skyscanner.node.html b/www/vue/ln.skyscanner.node.html
index f0d3c11..e27c9f3 100644
--- a/www/vue/ln.skyscanner.node.html
+++ b/www/vue/ln.skyscanner.node.html
@@ -63,7 +63,27 @@
                     <textarea>{{ JSON.stringify( node ) }}</textarea>
                 </div>
             </div>
-            <div class="flex column grow" id="graphs"></div> 
+            <div class="flex column grow" id="graphs">
+                <div class="controls">
+                    <div class="center">
+                            Intervall
+                            <ln-slider
+                            v-model="graphInterval"
+                            v-bind:values="viewIntervals"
+                            @change="loadGraphs(node,this.graphInterval,this.graphShift);"
+                            ></ln-slider>
+                    </div>
+                    <div class="center">
+                            Verschiebung
+                            <ln-slider
+                            v-bind:max="48 * graphInterval"
+                            v-bind:step="graphInterval * 0.25"
+                            v-model="graphShift"
+                            @change="loadGraphs(node,this.graphInterval,this.graphShift);"
+                            ></ln-slider>
+                    </div>
+                </div>
+            </div> 
         </div>
     </div>
 </div>
diff --git a/www/vue/ln.skyscanner.node.js b/www/vue/ln.skyscanner.node.js
index f9b8ae1..b5fccfd 100644
--- a/www/vue/ln.skyscanner.node.js
+++ b/www/vue/ln.skyscanner.node.js
@@ -1,4 +1,111 @@
-SkyScanner.getInitializers().push(
+Vue.component('ln-slider',{
+    model: {
+        prop: 'value',
+        event: 'change',
+    },
+    props: {
+        value: {
+            type: Number,
+            default: 1,
+        },
+        min: {
+            type: Number,
+            default: 0,
+        },
+        max: {
+            type: Number,
+            default: 100,
+        },
+        step: {
+            type: Number,
+            default: 1,
+        },
+        islogarithmic: {
+            type: Boolean,
+            default: false,
+        },
+        values: {
+            type: Array,
+        }
+    },
+    data: function(){
+        let d = {
+        };
+
+        if (this.values){
+            this.min = 0;
+            this.max = this.values.length - 1;
+            this.step = 1;
+        } else if (this.islogarithmic){
+            /* ToDo: Implement */
+        } else {
+
+        }
+        
+//        console.log(`min=${this.min} max=${this.max} step=${this.step} value=${this.value}`);
+
+        return d;
+    },
+    computed: {
+        displayValue: function(){
+            if (this.values)
+            {
+                let sv = this.sliderValue;
+                let element = this.values[this.sliderValue];
+                return element[1] || element;
+            } 
+            return this.mapFromRange(this.value);
+        },
+        sliderValue: {
+            get: function(){ return this.mapToRange(this.value); },
+            set: function(v){ this.value = this.mapFromRange(v); this.$emit('change', this.value); },
+        }
+    },
+    methods: {
+        mapToRange: function(v){
+            if (this.values)
+            {
+                for (let idx=0;idx<this.values.length;idx++)
+                {
+                    let element = this.values[idx];
+                    if (v == (element[0] || element))
+                    {
+                        return idx;
+                    }
+                }
+                return 0;
+            }
+            return this.islogarithmic ? null : v;
+        },
+        mapFromRange: function(v){
+            if (this.values)
+            {
+                let element = this.values[v];
+                let rv = element[0] || element;
+                return rv;
+            } 
+            return this.islogarithmic ? null : v;
+        },
+        fireChange: function(){
+            this.$emit('change',this.value);
+        }
+    },
+    template: `
+<div class='ln-slider'>
+    <input
+        class="ln-slider"
+        type="range"
+        v-bind:min="min"
+        v-bind:max="max"
+        v-bind:step="step"
+        v-model="sliderValue"
+        @change="fireChange"
+        >{{ displayValue }}
+</div>`,
+
+});
+
+SkyScanner.getInitializers().push(
     new Promise((resolve, reject) => {
         LN().load("/vue/ln.skyscanner.node.html").
             then((template) => {
@@ -7,14 +114,38 @@
                         path: "/vue/nodes/:nodeID",
                         component: {
                             template: template,
-                            data: function () { return { node: null }; },
+                            data: function () { 
+                                return {
+                                    node: null,
+                                    graphInterval: 600,
+                                    graphShift: 0,
+                                    viewIntervals: [
+                                        [   600,'10 Minuten'],
+                                        [  3600,'1 Stunde'],
+                                        [  7200,'2 Stunden'],
+                                        [ 14400,'4 Stunden'],
+                                        [ 28800,'8 Stunden'],
+                                        [ 57600,'16 Stunden'],
+                                        [ 86400,'1 Tag'],
+                                        [ 86400 * 2,'2 Tage'],
+                                        [ 86400 * 4,'4 Tage'],
+                                        [ 86400 * 7,'1 Woche'],
+                                        [ 86400 * 14,'2 Wochen'],
+                                        [ 86400 * 28,'4 Wochen'],
+                                        [ 86400 * 7 * 8,'8 Wochen'],
+                                        [ 86400 * 7 * 16,'16 Wochen'],
+                                        [ 86400 * 7 * 32,'32 Wochen'],
+                                        [ 86400 * 7 * 64,'64 Wochen'],
+                                    ],
+                                }; 
+                            },
                             beforeRouteEnter: function (to, from, next) {
                                 next((vm) => {
                                     skyscanner.loadNode(to.params.nodeID, (node) => {
                                         vm.node = node;
                                         vm.$nextTick(() => {
                                             skyscanner.buildGraphs(node);
-                                            loadGraphs(node);
+                                            loadGraphs(node,vm.graphInterval,vm.graphShift);
                                         });
                                     }, 10000);
                                 });
@@ -137,14 +268,13 @@ function toSI(value, perfUnit) {
     return `${nValue}${prefix}`;
 }
 
-function loadGraphs(node) {
+function loadGraphs(node,viewInterval,graphShift) {
     for (group in node._graphs) {
         if (!node._graphs.hasOwnProperty(group)) continue;
 
         let dataSets = [];
         let yScales = [];
 
-        let perfValueDict = {};
 
         for (perfUnit in node._graphs[group]) {
             if (!node._graphs[group].hasOwnProperty(perfUnit)) continue;
@@ -183,6 +313,7 @@ function loadGraphs(node) {
                 dataSets.push({
                     perfName: perfName,
                     perfUnit: perfUnit,
+                    perfValue: perfValue,
                     label: perfName + (perfUnit ? " [" + perfUnit + "]" : ""),
                     data: [],
                     borderColor: color,
@@ -191,28 +322,32 @@ function loadGraphs(node) {
                     yAxisID: perfUnit,
                 });
 
-                perfValueDict[perfName] = perfValue;
             }
         }
 
         let chart = getOrCreateChart(`chart-${group}`, yScales, dataSets);
         chart.options.title.text = `${group}`;
 
-        chart.data.datasets.forEach((dataSet) => {
-            console.log("dataSet: " + dataSet.perfName);
-            loadChartLine(chart, dataSet, perfValueDict[dataSet.perfName]);
-        });
+        loadChartLines(chart, viewInterval,graphShift);
 
         chart.update();
     }
 }
 
-function loadChartLine(chart, dataSet, perfValue) {
-    console.log("loadChartLine()");
+function loadChartLines(chart, viewInterval, graphShift){
+    if (!viewInterval)
+        return;
 
-    skyscanner.loadPerformanceGraph(perfValue.PerfPath, 3600, (perfData) => {
-        console.log("loadPerformaceGraph(): callback");
+    chart.data.datasets.forEach((dataSet) => {
+        loadChartLine(chart, dataSet, dataSet.perfValue, viewInterval, graphShift);
+    });
+}
 
+function loadChartLine(chart, dataSet, perfValue, viewInterval, graphShift) {
+    if (!viewInterval)
+        return;
+
+    skyscanner.loadPerformanceGraph(perfValue.PerfPath, viewInterval, graphShift, (perfData) => {
         let chartColor = perfValue.CheckState == "CRITICAL" ? '#C00000' : (perfValue.CheckState == "WARN") ? '#C0C000' : '#008000';
         let perfName = perfValue.PerfName;
 
diff --git a/www/vue/vue.html b/www/vue/vue.html
index 0801378..67abcda 100644
--- a/www/vue/vue.html
+++ b/www/vue/vue.html
@@ -57,6 +57,8 @@
 
         <div id="footer" class="flex row">
             <div id="ServerString" class="silver" style="">{{ serverString }}</div>
+            <div id="CurrentActionLabel">{{ currentAction }}</div>
+            <div id="CurrentStateLabel">{{ currentState }}</div>
             <div class="grow"></div>
             <div id="ServerTime" class="" style="margin-right: 12px;">{{ serverTime }}</div>
         </div>