diff --git a/zkwebui/WEB-INF/src/org/adempiere/webui/component/WListItemRenderer.java b/zkwebui/WEB-INF/src/org/adempiere/webui/component/WListItemRenderer.java
index d1eabaa193..2466fedcfd 100644
--- a/zkwebui/WEB-INF/src/org/adempiere/webui/component/WListItemRenderer.java
+++ b/zkwebui/WEB-INF/src/org/adempiere/webui/component/WListItemRenderer.java
@@ -66,6 +66,10 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 	/** Array of {@link ListHeader}s for the list head. */
     private ArrayList<ListHeader> m_headers = new ArrayList<ListHeader>();
 
+    private Listbox listBox;
+
+	private EventListener cellListener;
+	
 	/**
 	 * Default constructor.
 	 *
@@ -148,10 +152,20 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 			throw new IllegalArgumentException("A model element was not a list");
 		}
 
+		if (listBox == null || listBox != item.getListbox()) 
+		{
+			listBox = item.getListbox();
+		}
+		if (cellListener == null)
+		{
+			cellListener = new CellListener();
+		}
+		
 		for (Object field : (List<?>)data)
 		{
 			listcell = getCellComponent(table, field, rowIndex, colIndex);
 			listcell.setParent(item);
+			listcell.addEventListener(Events.ON_DOUBLE_CLICK, cellListener);
 			colIndex++;
 		}
 
@@ -768,6 +782,19 @@ public class WListItemRenderer implements ListitemRenderer, EventListener, Listi
 		}		
 	}
 
+	class CellListener implements EventListener {
+
+		public CellListener() {
+		}
+		
+		public void onEvent(Event event) throws Exception {
+			if (listBox != null && Events.ON_DOUBLE_CLICK.equals(event.getName())) {
+				Event evt = new Event(Events.ON_DOUBLE_CLICK, listBox);
+				Events.sendEvent(listBox, evt);
+			}
+		}
+		
+	}
 }
 
 
diff --git a/zkwebui/WEB-INF/src/org/adempiere/webui/panel/InfoPanel.java b/zkwebui/WEB-INF/src/org/adempiere/webui/panel/InfoPanel.java
index 5a929c00e5..8fa89f34b1 100644
--- a/zkwebui/WEB-INF/src/org/adempiere/webui/panel/InfoPanel.java
+++ b/zkwebui/WEB-INF/src/org/adempiere/webui/panel/InfoPanel.java
@@ -23,6 +23,7 @@ import java.sql.ResultSet;
 import java.sql.SQLException;
 import java.sql.Timestamp;
 import java.util.ArrayList;
+import java.util.Iterator;
 import java.util.List;
 import java.util.Vector;
 import java.util.logging.Level;
@@ -64,6 +65,10 @@ import org.zkoss.zul.event.ZulEvents;
 public abstract class InfoPanel extends Window implements EventListener, WTableModelListener
 {
 	
+	/**
+	 * default serial version id
+	 */
+	private static final long serialVersionUID = 1L;
 	private final static int PAGE_SIZE = 100;
 	
     public static InfoPanel create (int WindowNo,
@@ -264,7 +269,8 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 		confirmPanel.getButton(ConfirmPanel.A_ZOOM).setVisible(hasZoom());
 		//
 		
-        this.setSizable(true);        
+        this.setSizable(true);      
+        this.setMaximizable(true);
         
         this.addEventListener(Events.ON_OK, this);
 	}  //  init
@@ -404,7 +410,7 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
 				for (int col = 0; col < p_layout.length; col++)
 				{
 					Object value = null;
-					Class c = p_layout[col].getColClass();
+					Class<?> c = p_layout[col].getColClass();
 					int colIndex = col + colOffset;
 					if (c == IDColumn.class)
 					{
@@ -506,10 +512,20 @@ public abstract class InfoPanel extends Window implements EventListener, WTableM
         setStatusLine(Integer.toString(no) + " " + Msg.getMsg(Env.getCtx(), "SearchRows_EnterQuery"), false);
         setStatusDB(Integer.toString(no));
                 
+        addDoubleClickListener();
         //workaround for scrollbar position problem
         contentPanel.renderAll();
     }
     
+    private void addDoubleClickListener() {
+		Iterator<?> i = contentPanel.getListenerIterator(Events.ON_DOUBLE_CLICK);
+		while (i.hasNext()) {
+			if (i.next() == this)
+				return;
+		}
+		contentPanel.addEventListener(Events.ON_DOUBLE_CLICK, this);
+	}
+    
     protected void insertPagingComponent() {
 		contentPanel.getParent().insertBefore(paging, contentPanel.getNextSibling());
 	}