--- a/flys-client/src/main/java/de/intevation/flys/client/client/ui/ThemePanel.java	Tue Dec 06 09:08:48 2011 +0000
+++ b/flys-client/src/main/java/de/intevation/flys/client/client/ui/ThemePanel.java	Thu Dec 08 06:51:20 2011 +0000
@@ -7,6 +7,7 @@
 import com.google.gwt.user.client.rpc.AsyncCallback;
 
 import com.smartgwt.client.util.SC;
+import com.smartgwt.client.util.BooleanCallback;
 import com.smartgwt.client.widgets.Canvas;
 import com.smartgwt.client.widgets.grid.ListGrid;
 import com.smartgwt.client.widgets.grid.ListGridRecord;
@@ -397,15 +398,21 @@
 
         remove.addClickHandler(new ClickHandler() {
             public void onClick(MenuItemClickEvent evt) {
-                for (ListGridRecord record: records) {
-                    FacetRecord facet = (FacetRecord) record;
+                SC.ask(MSG.askThemeRemove(), new BooleanCallback() {
+                    @Override
+                    public void execute(Boolean value) {
+                        if (value) {
+                            for (ListGridRecord record: records) {
+                                FacetRecord facet = (FacetRecord) record;
+                                Theme theme = facet.getTheme();
+                                theme.setVisible(0);
+                                theme.setActive(0);
 
-                    Theme theme = facet.getTheme();
-                    theme.setVisible(0);
-                    theme.setActive(0);
-                }
-
-                updateCollection();
+                                updateCollection();
+                            }
+                        }
+                    }
+                });
             }
         });