diff --git a/source/java/org/alfresco/web/action/evaluator/UploadNewVersionEvaluator.java b/source/java/org/alfresco/web/action/evaluator/UploadNewVersionEvaluator.java
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+++ b/source/java/org/alfresco/web/action/evaluator/UploadNewVersionEvaluator.java
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+/*
+ * Copyright (C) 2005-2007 Alfresco Software Limited.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * as published by the Free Software Foundation; either version 2
+ * of the License, or (at your option) any later version.
+
+ * 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+ * As a special exception to the terms and conditions of version 2.0 of 
+ * the GPL, you may redistribute this Program in connection with Free/Libre 
+ * and Open Source Software ("FLOSS") applications as described in Alfresco's 
+ * FLOSS exception.  You should have recieved a copy of the text describing 
+ * the FLOSS exception, and it is also available here: 
+ * http://www.alfresco.com/legal/licensing"
+ */
+package org.alfresco.web.action.evaluator;
+
+import javax.faces.context.FacesContext;
+
+import org.alfresco.model.ContentModel;
+import org.alfresco.service.cmr.dictionary.DictionaryService;
+import org.alfresco.web.bean.repository.Node;
+import org.alfresco.web.bean.repository.Repository;
+
+/**
+ * UI Action Evaluator - Upload new version
+ * 
+ */
+public class UploadNewVersionEvaluator extends BaseActionEvaluator
+{
+   /**
+    * @see org.alfresco.web.action.ActionEvaluator#evaluate(org.alfresco.web.bean.repository.Node)
+    */
+   public boolean evaluate(Node node)
+   {
+      DictionaryService dd = Repository.getServiceRegistry(
+            FacesContext.getCurrentInstance()).getDictionaryService();
+      
+      return dd.isSubClass(node.getType(), ContentModel.TYPE_CONTENT) && node.isWorkingCopyOwner();
+   }
+}