diff --git a/client/src/org/compiere/grid/GridSynchronizer.java b/client/src/org/compiere/grid/GridSynchronizer.java
index 2a8eaa0d08..aeedfd8196 100644
--- a/client/src/org/compiere/grid/GridSynchronizer.java
+++ b/client/src/org/compiere/grid/GridSynchronizer.java
@@ -1,3 +1,16 @@
+/******************************************************************************
+ * Product: Adempiere ERP & CRM Smart Business Solution                       *
+ * Copyright (C) 2007 Adempiere, Inc. All Rights Reserved.                    *
+ * This program is free software; you can redistribute it and/or modify it    *
+ * under the terms version 2 of the GNU General Public License as published   *
+ * by the Free Software Foundation. This program is distributed in the hope   *
+ * that it will be useful, but WITHOUT ANY WARRANTY; without even the implied *
+ * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.           *
+ * See the GNU General Public License for more details.                       *
+ * You should have received a copy of the GNU General Public License along    *
+ * with this program; if not, write to the Free Software Foundation, Inc.,    *
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.                     *
+ *****************************************************************************/
 package org.compiere.grid;
 
 import java.beans.PropertyChangeEvent;
@@ -18,6 +31,11 @@ public class GridSynchronizer implements PropertyChangeListener, StateChangeList
 	private GridController parent;
 	private GridController child;
 
+	/**
+	 * 
+	 * @param parent
+	 * @param child
+	 */
 	public GridSynchronizer(GridController parent, GridController child) {
 		this.parent = parent;
 		this.child = child;
@@ -26,6 +44,9 @@ public class GridSynchronizer implements PropertyChangeListener, StateChangeList
 		parent.getMTab().addStateChangeListener(this);
 	}
 
+	/**
+	 * @param evt
+	 */
 	public void propertyChange(PropertyChangeEvent evt) {
 		if (evt.getPropertyName().equals(GridTab.PROPERTY)) {
 			if (child.isCurrent()) {
@@ -37,6 +58,9 @@ public class GridSynchronizer implements PropertyChangeListener, StateChangeList
 		}
 	}
 
+	/**
+	 * @param event
+	 */
 	public void stateChange(StateChangeEvent event) {
 		if (child.isCurrent()) {
 			child.getMTab().dataRefresh();