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diff --git a/accessibility/workben/org/openoffice/accessibility/misc/AccessibleEventMulticaster.java b/accessibility/workben/org/openoffice/accessibility/misc/AccessibleEventMulticaster.java
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+++ b/accessibility/workben/org/openoffice/accessibility/misc/AccessibleEventMulticaster.java
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+/*************************************************************************
+ *
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * Copyright 2000, 2010 Oracle and/or its affiliates.
+ *
+ * OpenOffice.org - a multi-platform office productivity suite
+ *
+ * This file is part of OpenOffice.org.
+ *
+ * OpenOffice.org is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License version 3
+ * only, as published by the Free Software Foundation.
+ *
+ * OpenOffice.org 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 Lesser General Public License version 3 for more details
+ * (a copy is included in the LICENSE file that accompanied this code).
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * version 3 along with OpenOffice.org.  If not, see
+ * <http://www.openoffice.org/license.html>
+ * for a copy of the LGPLv3 License.
+ *
+ ************************************************************************/
+
+package org.openoffice.accessibility.misc;
+
+import com.sun.star.lang.EventObject;
+
+import com.sun.star.accessibility.AccessibleEventObject;
+import com.sun.star.accessibility.XAccessibleEventBroadcaster;
+import com.sun.star.accessibility.XAccessibleEventListener;
+
+/**
+ *
+ */
+public class AccessibleEventMulticaster implements XAccessibleEventListener {
+
+    private final XAccessibleEventListener a;
+    private final XAccessibleEventListener b;
+
+    /** Creates a new instance of AccessibleEventMulticaster */
+    protected AccessibleEventMulticaster(XAccessibleEventListener a,
+                                         XAccessibleEventListener b) {
+        this.a = a;
+        this.b = b;
+    }
+
+    protected XAccessibleEventListener remove(XAccessibleEventListener l) {
+        if (l == a)
+            return b;
+        if (l == b)
+            return a;
+        XAccessibleEventListener a2 = remove(a, l);
+        XAccessibleEventListener b2 = remove(b, l);
+        if (a2 == a && b2 == b) {
+            return this; // not found
+        }
+        return add(a2, b2);
+    }
+
+    public void notifyEvent(AccessibleEventObject accessibleEventObject) {
+        a.notifyEvent(accessibleEventObject);
+        b.notifyEvent(accessibleEventObject);
+    }
+
+    public void disposing(EventObject eventObject) {
+        a.disposing(eventObject);
+        b.disposing(eventObject);
+    }
+
+    public static XAccessibleEventListener add(XAccessibleEventListener a, XAccessibleEventListener b) {
+        if (a == null)
+            return b;
+        if (b == null)
+            return a;
+        return new AccessibleEventMulticaster(a,b);
+    }
+
+    public static XAccessibleEventListener remove(XAccessibleEventListener l, XAccessibleEventListener oldl) {
+        if (l == oldl || l == null) {
+            return null;
+        } else if (l instanceof AccessibleEventMulticaster) {
+            return ((AccessibleEventMulticaster) l).remove(oldl);
+        } else {
+            return l;
+        }
+    }
+
+}