diff --git a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
index 18e8d48e5..19775c007 100644
--- a/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
+++ b/navalplanner-webapp/src/main/java/org/navalplanner/web/planner/allocation/AdvancedAllocationController.java
@@ -31,8 +31,8 @@ import java.util.HashMap;
 import java.util.List;
 import java.util.ListIterator;
 import java.util.Map;
-import java.util.WeakHashMap;
 import java.util.Map.Entry;
+import java.util.WeakHashMap;
 import java.util.concurrent.Callable;
 
 import org.apache.commons.lang.StringUtils;
@@ -48,9 +48,9 @@ import org.navalplanner.business.planner.entities.CalculatedValue;
 import org.navalplanner.business.planner.entities.GenericResourceAllocation;
 import org.navalplanner.business.planner.entities.ResourceAllocation;
 import org.navalplanner.business.planner.entities.SpecificResourceAllocation;
+import org.navalplanner.business.planner.entities.StretchesFunction.Type;
 import org.navalplanner.business.planner.entities.Task;
 import org.navalplanner.business.planner.entities.TaskElement;
-import org.navalplanner.business.planner.entities.StretchesFunction.Type;
 import org.navalplanner.business.resources.entities.Criterion;
 import org.navalplanner.web.common.IMessagesForUser;
 import org.navalplanner.web.common.Level;
@@ -63,8 +63,8 @@ import org.zkoss.ganttz.timetracker.PairOfLists;
 import org.zkoss.ganttz.timetracker.TimeTrackedTable;
 import org.zkoss.ganttz.timetracker.TimeTrackedTableWithLeftPane;
 import org.zkoss.ganttz.timetracker.TimeTracker;
-import org.zkoss.ganttz.timetracker.TimeTrackerComponentWithoutColumns;
 import org.zkoss.ganttz.timetracker.TimeTracker.IDetailItemFilter;
+import org.zkoss.ganttz.timetracker.TimeTrackerComponentWithoutColumns;
 import org.zkoss.ganttz.timetracker.zoom.DetailItem;
 import org.zkoss.ganttz.timetracker.zoom.IZoomLevelChangedListener;
 import org.zkoss.ganttz.timetracker.zoom.ZoomLevel;
@@ -76,7 +76,6 @@ import org.zkoss.zk.ui.event.EventListener;
 import org.zkoss.zk.ui.event.Events;
 import org.zkoss.zk.ui.util.Clients;
 import org.zkoss.zk.ui.util.GenericForwardComposer;
-import org.zkoss.zkex.zul.LayoutRegion;
 import org.zkoss.zul.Button;
 import org.zkoss.zul.Combobox;
 import org.zkoss.zul.Comboitem;
@@ -85,6 +84,7 @@ import org.zkoss.zul.Grid;
 import org.zkoss.zul.Hbox;
 import org.zkoss.zul.Intbox;
 import org.zkoss.zul.Label;
+import org.zkoss.zul.LayoutRegion;
 import org.zkoss.zul.ListModel;
 import org.zkoss.zul.Listbox;
 import org.zkoss.zul.Listcell;