--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/WQSimpleArrayPanel.java	Sun Nov 18 01:19:07 2012 +0100
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/WQSimpleArrayPanel.java	Mon Nov 19 00:07:53 2012 +0100
@@ -1,12 +1,9 @@
 package de.intevation.flys.client.client.ui;
 
-import java.util.ArrayList;
-import java.util.LinkedHashMap;
-import java.util.List;
-
 import com.google.gwt.core.client.GWT;
 import com.google.gwt.i18n.client.NumberFormat;
 import com.google.gwt.user.client.rpc.AsyncCallback;
+
 import com.smartgwt.client.widgets.Canvas;
 import com.smartgwt.client.widgets.Label;
 import com.smartgwt.client.widgets.form.DynamicForm;
@@ -42,6 +39,10 @@
 import de.intevation.flys.client.shared.model.WQInfoObject;
 import de.intevation.flys.client.shared.model.WQInfoRecord;
 
+import java.util.ArrayList;
+import java.util.LinkedHashMap;
+import java.util.List;
+
 
 /**
  * An UIProvider for inserting a mode for W or Q and an array of values for each
@@ -53,6 +54,8 @@
 extends      AbstractUIProvider
 implements   BlurHandler
 {
+    private static final long serialVersionUID = 3223369196267895010L;
+
     public static final String FIELD_MODE   = "field_mode";
     public static final String FIELD_VALUES = "field_values";
 
@@ -103,7 +106,6 @@
         DoubleArrayData    valuesData = findValuesData(dataList);
 
         DataItem[] modeItems   = modeData.getItems();
-        DataItem[] valuesItems = valuesData.getItems();
 
         HLayout layout         = new HLayout();
         VLayout valueContainer = new VLayout();
@@ -224,16 +226,17 @@
 
     protected void fetchWQData() {
         ArtifactDescription desc = artifact.getArtifactDescription();
-        DataList[]          data = desc.getOldData();
 
         final String river    = desc.getRiver();
         final String refGauge = desc.getReferenceGauge();
 
         gaugeService.getGaugeInfo(river, refGauge, new AsyncCallback<List<Gauge>>() {
+            @Override
             public void onFailure(Throwable throwable) {
                 GWT.log("ERROR WHILE FETCHING GAUGES!");
             }
 
+            @Override
             public void onSuccess(List<Gauge> gauges) {
                 Gauge g = gauges.get(0);
                 updateWQData(river, g.getLower(), g.getUpper());
@@ -250,10 +253,12 @@
 
         wqInfoService.getWQInfo(locale, river, lower, upper,
             new AsyncCallback<WQInfoObject[]>() {
+                @Override
                 public void onFailure(Throwable caught) {
                     GWT.log("Could not recieve wq informations.");
                 }
 
+                @Override
                 public void onSuccess(WQInfoObject[] wqi) {
                     int num = wqi != null ? wqi.length :0;
                     GWT.log("Recieved " + num + " wq informations.");
@@ -314,8 +319,6 @@
 
 
     protected DoubleArrayData findValuesData(DataList dataList) {
-        DoubleArrayData data = null;
-
         for (int i = 0, n = dataList.size(); i < n; i++) {
             Data tmp = dataList.get(i);
 
@@ -329,8 +332,6 @@
 
 
     protected IntegerOptionsData findOptionsData(DataList dataList) {
-        IntegerOptionsData data = null;
-
         for (int i = 0, n = dataList.size(); i < n; i++) {
             Data tmp = dataList.get(i);