--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java	Fri Sep 28 08:52:53 2012 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/GaugePanel.java	Fri Sep 28 08:57:48 2012 +0000
@@ -13,6 +13,7 @@
 import com.smartgwt.client.widgets.layout.SectionStackSection;
 import com.smartgwt.client.widgets.layout.VLayout;
 
+import de.intevation.flys.client.client.FLYS;
 import de.intevation.flys.client.client.FLYSConstants;
 import de.intevation.flys.client.client.services.GaugeOverviewInfoService;
 import de.intevation.flys.client.client.services.GaugeOverviewInfoServiceAsync;
@@ -37,19 +38,24 @@
     /** The message class that provides i18n strings.*/
     protected FLYSConstants MSG = GWT.create(FLYSConstants.class);
 
+    private FLYS flys;
+
     protected GaugeOverviewInfoServiceAsync gaugeOverviewInfoService =
         GWT.create(GaugeOverviewInfoService.class);
 
-    protected GaugeTree gaugetree = new GaugeTree();
+    protected GaugeTree gaugetree;
 
     protected RiverInfoPanel riverinfopanel;
 
     /**
      * Creates a new VLayout with a SectionStackSection
      * The GaugePanel's SectionStackSection is hidden by default.
+     *
+     * @param flys The FLYS object
      * @param sectionStack The section stack section to place the VLayout in.
      */
-    public GaugePanel(SectionStackSection sectionStack) {
+    public GaugePanel(FLYS flys, SectionStackSection sectionStack) {
+        gaugetree = new GaugeTree(flys);
         setOverflow(Overflow.HIDDEN);
         sectionStack.setHidden(true);
         sectionStack.setItems(this);