diff --git a/org.adempiere.base/src/org/compiere/model/MSysConfig.java b/org.adempiere.base/src/org/compiere/model/MSysConfig.java
index 5238ad3e63..e64b48096e 100644
--- a/org.adempiere.base/src/org/compiere/model/MSysConfig.java
+++ b/org.adempiere.base/src/org/compiere/model/MSysConfig.java
@@ -39,10 +39,10 @@ import org.compiere.util.DisplayType;
  */
 public class MSysConfig extends X_AD_SysConfig
 {
-    /**
+	/**
 	 * 
 	 */
-	private static final long serialVersionUID = -4917976995339273240L;
+	private static final long serialVersionUID = 2617379167881737860L;
 
 	public static final String ADDRESS_VALIDATION = "ADDRESS_VALIDATION";
     public static final String ALERT_SEND_ATTACHMENT_AS_XLS = "ALERT_SEND_ATTACHMENT_AS_XLS";
@@ -59,6 +59,7 @@ public class MSysConfig extends X_AD_SysConfig
     public static final String APPLICATION_MAIN_VERSION = "APPLICATION_MAIN_VERSION";
     public static final String APPLICATION_MAIN_VERSION_SHOWN = "APPLICATION_MAIN_VERSION_SHOWN";
     public static final String APPLICATION_OS_INFO_SHOWN = "APPLICATION_OS_INFO_SHOWN";
+	public static final String APPLICATION_URL = "APPLICATION_URL";
     public static final String ATTACH_EMBEDDED_2PACK = "ATTACH_EMBEDDED_2PACK";
     public static final String AUTOMATIC_PACKIN_FOLDERS = "AUTOMATIC_PACKIN_FOLDERS";
     public static final String AUTOMATIC_PACKIN_INITIAL_DELAY = "AUTOMATIC_PACKIN_INITIAL_DELAY";
@@ -138,6 +139,7 @@ public class MSysConfig extends X_AD_SysConfig
     public static final String SYSTEM_IN_MAINTENANCE_MODE = "SYSTEM_IN_MAINTENANCE_MODE";
     public static final String SYSTEM_INSERT_CHANGELOG = "SYSTEM_INSERT_CHANGELOG";
     public static final String SYSTEM_NATIVE_SEQUENCE = "SYSTEM_NATIVE_SEQUENCE";
+	public static final String TOP_MARGIN_PIXELS_FOR_HEADER = "TOP_MARGIN_PIXELS_FOR_HEADER";
     public static final String TRACE_ALL_TRX_CONNECTION_GET = "TRACE_ALL_TRX_CONNECTION_GET";
     public static final String TWOPACK_COMMIT_DDL = "2PACK_COMMIT_DDL";
     public static final String TWOPACK_HANDLE_TRANSLATIONS = "2PACK_HANDLE_TRANSLATIONS";
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java
index 60ddef96de..71c8e80c0e 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/adwindow/ADTabpanel.java
@@ -302,7 +302,7 @@ DataStatusListener, IADTabpanel, IdSpace, IFieldEditorContainer
 				ClientInfo browserInfo = SessionManager.getAppDesktop().getClientInfo();
 				int browserHeight = browserInfo.desktopHeight;
 				int prefHeight = Integer.valueOf(height.replace("px", ""));
-				int topmarginpx = MSysConfig.getIntValue("TOP_MARGIN_PIXELS_FOR_HEADER", 222);
+				int topmarginpx = MSysConfig.getIntValue(MSysConfig.TOP_MARGIN_PIXELS_FOR_HEADER, 222);
 				int maxHeight = browserHeight - topmarginpx;
 				if (prefHeight <= maxHeight) {
 					height = Integer.toString(prefHeight) + "px";