diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/AdempiereWebUI.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/AdempiereWebUI.java
index 39e4ed5b03..a8bf29deeb 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/AdempiereWebUI.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/AdempiereWebUI.java
@@ -247,7 +247,7 @@ public class AdempiereWebUI extends Window implements EventListener<Event>, IWeb
 
 		keyListener = new Keylistener();
 		keyListener.setPage(this.getPage());
-		keyListener.setCtrlKeys("@a@c@d@e@f@h@n@o@p@r@s@t@z@x@#left@#right@#up@#down@#home@#end#enter^u@u");
+		keyListener.setCtrlKeys("@a@c@d@e@f@h@n@o@p@r@s@t@z@x@#left@#right@#up@#down@#home@#end#enter^u@u@#pgdn@#pgup");
 		keyListener.setAutoBlur(false);
 		
 		//create new desktop
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Tabbox.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Tabbox.java
index 7ff4277a9f..81d82dcc9d 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Tabbox.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/component/Tabbox.java
@@ -17,6 +17,8 @@
 
 package org.adempiere.webui.component;
 
+import org.zkoss.zk.ui.Page;
+import org.zkoss.zk.ui.event.Events;
 import org.zkoss.zul.Tab;
 import org.zkoss.zul.Tabpanels;
 
@@ -66,4 +68,16 @@ public class Tabbox extends org.zkoss.zul.Tabbox
 		this.isSupportTabDragDrop = isSupportTabDragDrop;
 	}
 
+	@Override
+	public void onPageAttached(Page newpage, Page oldpage) {
+		super.onPageAttached(newpage, oldpage);
+		Events.sendEvent("onPageAttached", this, null);
+		
+	}
+	
+	@Override
+	public void onPageDetached(Page page) {
+		super.onPageDetached(page);
+		Events.sendEvent("onPageDetached", this, null);
+	}
 }
diff --git a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/part/WindowContainer.java b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/part/WindowContainer.java
index a6090de566..01bb179aba 100644
--- a/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/part/WindowContainer.java
+++ b/org.adempiere.ui.zk/WEB-INF/src/org/adempiere/webui/part/WindowContainer.java
@@ -33,6 +33,7 @@ import org.zkoss.zk.ui.Component;
 import org.zkoss.zk.ui.event.Event;
 import org.zkoss.zk.ui.event.EventListener;
 import org.zkoss.zk.ui.event.Events;
+import org.zkoss.zk.ui.event.KeyEvent;
 import org.zkoss.zk.ui.event.SwipeEvent;
 import org.zkoss.zul.Menuitem;
 
@@ -41,7 +42,7 @@ import org.zkoss.zul.Menuitem;
  * @author Low Heng Sin
  *
  */
-public class WindowContainer extends AbstractUIPart 
+public class WindowContainer extends AbstractUIPart implements EventListener<Event>
 {
 	private static final String ON_DEFER_SET_SELECTED_TAB = "onDeferSetSelectedTab";
 
@@ -73,6 +74,8 @@ public class WindowContainer extends AbstractUIPart
     protected Component doCreatePart(Component parent)
     {
         tabbox = new Tabbox();
+        tabbox.addEventListener("onPageAttached", this);
+        tabbox.addEventListener("onPageDetached", this);
         tabbox.setSupportTabDragDrop(true);
         tabbox.setSclass("desktop-tabbox");
         tabbox.setId("desktop_tabbox");
@@ -433,4 +436,30 @@ public class WindowContainer extends AbstractUIPart
 	public Tabbox getComponent() {
 		return tabbox;
 	}
+
+	@Override
+	public void onEvent(Event event) throws Exception {
+		
+		if (event.getTarget() == tabbox && "onPageDetached".equals(event.getName())) {
+			try {
+				SessionManager.getSessionApplication().getKeylistener().removeEventListener(Events.ON_CTRL_KEY, this);
+			} catch (Exception e) {}
+		}else if (event.getTarget() == tabbox && "onPageAttached".equals(event.getName())) {
+			try {
+				SessionManager.getSessionApplication().getKeylistener().addEventListener(Events.ON_CTRL_KEY, this);
+			} catch (Exception e) {}
+		}else if (Events.ON_CTRL_KEY.equals(event.getName())) {
+			KeyEvent keyEvent = (KeyEvent) event;
+			if (keyEvent.isAltKey() && keyEvent.getKeyCode() == KeyEvent.PAGE_UP
+					&& tabbox.getSelectedTab() != null && tabbox.getSelectedTab().getNextSibling() != null) {
+				tabbox.setSelectedTab((org.zkoss.zul.Tab)tabbox.getSelectedTab().getNextSibling());
+				keyEvent.stopPropagation();
+			}else if (keyEvent.isAltKey() && keyEvent.getKeyCode() == KeyEvent.PAGE_DOWN
+					&& tabbox.getSelectedTab() != null && tabbox.getSelectedTab().getPreviousSibling() != null) {
+				tabbox.setSelectedTab((org.zkoss.zul.Tab)tabbox.getSelectedTab().getPreviousSibling());
+				keyEvent.stopPropagation();
+			}
+		}
+		
+	}
 }