Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/qaApplicationContext.xml
===================================================================
diff -u -ra4b21fc560d5ed7df551c48f3afeab20e136b499 -rab1fbeffaf558570ec5d2b3e379e26cecbd9a618
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/qaApplicationContext.xml	(.../qaApplicationContext.xml)	(revision a4b21fc560d5ed7df551c48f3afeab20e136b499)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/qaApplicationContext.xml	(.../qaApplicationContext.xml)	(revision ab1fbeffaf558570ec5d2b3e379e26cecbd9a618)
@@ -79,6 +79,7 @@
 					<property name="toolService"><ref bean="lamsToolService"/></property>
 					<property name="repositoryService"><ref bean="repositoryService"/></property>
 					<property name="learnerService"><ref bean="learnerService"/></property>			
+					<property name="auditService"><ref bean="auditService"/></property>
 					<property name="qaToolContentHandler"><ref bean="qaToolContentHandler"/></property>								
 				</bean>
 			</property>
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/IQaService.java
===================================================================
diff -u -r65166da92a6f0f4ff73acb92b95672e237b25742 -rab1fbeffaf558570ec5d2b3e379e26cecbd9a618
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/IQaService.java	(.../IQaService.java)	(revision 65166da92a6f0f4ff73acb92b95672e237b25742)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/IQaService.java	(.../IQaService.java)	(revision ab1fbeffaf558570ec5d2b3e379e26cecbd9a618)
@@ -37,6 +37,7 @@
 import org.lamsfoundation.lams.tool.qa.QaUploadedFile;
 import org.lamsfoundation.lams.tool.qa.QaUsrResp;
 import org.lamsfoundation.lams.usermanagement.User;
+import org.lamsfoundation.lams.util.audit.IAuditService;
 
 
 
@@ -242,5 +243,9 @@
     public void cleanUploadedFilesMetaData() throws QaApplicationException;
     
     public List retrieveQaQueContentsByToolContentId(long toolContentId);
+    
+    /** Get the LAMS audit service. Needed as the web layer controls the staff updating of an answer,
+     * so the log entry must be made by the web layer. */
+    public IAuditService getAuditService();
 }
 
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java
===================================================================
diff -u -r65166da92a6f0f4ff73acb92b95672e237b25742 -rab1fbeffaf558570ec5d2b3e379e26cecbd9a618
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java	(.../QaServicePOJO.java)	(revision 65166da92a6f0f4ff73acb92b95672e237b25742)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/service/QaServicePOJO.java	(.../QaServicePOJO.java)	(revision ab1fbeffaf558570ec5d2b3e379e26cecbd9a618)
@@ -65,9 +65,11 @@
 import org.lamsfoundation.lams.tool.qa.dao.IQaSessionDAO;
 import org.lamsfoundation.lams.tool.qa.dao.IQaUploadedFileDAO;
 import org.lamsfoundation.lams.tool.qa.dao.IQaUsrRespDAO;
+import org.lamsfoundation.lams.tool.qa.util.QAConstants;
 import org.lamsfoundation.lams.tool.service.ILamsToolService;
 import org.lamsfoundation.lams.usermanagement.User;
 import org.lamsfoundation.lams.usermanagement.service.IUserManagementService;
+import org.lamsfoundation.lams.util.audit.IAuditService;
 import org.springframework.dao.DataAccessException;
 
 
@@ -114,6 +116,7 @@
     private IUserManagementService userManagementService;
     private ILamsToolService toolService;
     private ILearnerService learnerService;
+	private IAuditService auditService;
 
     public void configureContentRepository() throws QaApplicationException {
     	logger.debug("retrieved repService: " + repositoryService);
@@ -642,6 +645,9 @@
 	{
     	try
         {
+    		auditService.logChange(QAConstants.TOOL_SIGNATURE,
+    				resp.getQaQueUser().getQueUsrId(),resp.getQaQueUser().getUsername(),
+    				resp.getAnswer(), null);
     		qaUsrRespDAO.removeUserResponse(resp);
         }
         catch(DataAccessException e)
@@ -1839,4 +1845,16 @@
 	public void setQaToolContentHandler(IToolContentHandler qaToolContentHandler) {
 		this.qaToolContentHandler = qaToolContentHandler;
 	}
+
+
+	public IAuditService getAuditService() {
+		return auditService;
+	}
+
+
+	public void setAuditService(IAuditService auditService) {
+		this.auditService = auditService;
+	}
+	
+	
 }
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/util/QAConstants.java
===================================================================
diff -u
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/util/QAConstants.java	(revision 0)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/util/QAConstants.java	(revision ab1fbeffaf558570ec5d2b3e379e26cecbd9a618)
@@ -0,0 +1,31 @@
+/****************************************************************
+ * Copyright (C) 2005 LAMS Foundation (http://lamsfoundation.org)
+ * =============================================================
+ * License Information: http://lamsfoundation.org/licensing/lams/2.0/
+ * 
+ * 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.
+ * 
+ * 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
+ * 
+ * http://www.gnu.org/licenses/gpl.txt
+ * ****************************************************************
+ */
+/* $Id$ */
+
+package org.lamsfoundation.lams.tool.qa.util;
+
+public class QAConstants {
+
+    public static final String TOOL_SIGNATURE = "laqa11";
+
+}
Index: lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/web/QaMonitoringAction.java
===================================================================
diff -u -r65166da92a6f0f4ff73acb92b95672e237b25742 -rab1fbeffaf558570ec5d2b3e379e26cecbd9a618
--- lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/web/QaMonitoringAction.java	(.../QaMonitoringAction.java)	(revision 65166da92a6f0f4ff73acb92b95672e237b25742)
+++ lams_tool_laqa/src/java/org/lamsfoundation/lams/tool/qa/web/QaMonitoringAction.java	(.../QaMonitoringAction.java)	(revision ab1fbeffaf558570ec5d2b3e379e26cecbd9a618)
@@ -105,6 +105,7 @@
 import org.lamsfoundation.lams.tool.qa.QaUtils;
 import org.lamsfoundation.lams.tool.qa.service.IQaService;
 import org.lamsfoundation.lams.tool.qa.service.QaServiceProxy;
+import org.lamsfoundation.lams.tool.qa.util.QAConstants;
 import org.lamsfoundation.lams.web.action.LamsDispatchAction;
 import org.lamsfoundation.lams.web.util.AttributeNames;
 
@@ -581,6 +582,13 @@
 	    logger.debug("updatedResponse: " + updatedResponse);
 	    QaUsrResp qaUsrResp= qaService.retrieveQaUsrResp(new Long(responseId).longValue());
 	    logger.debug("qaUsrResp: " + qaUsrResp);
+	    
+	    // write out the audit log entry. If you move this after the update of the response,
+	    // then make sure you update the audit call to use a copy of the original answer
+	    qaService.getAuditService().logChange(QAConstants.TOOL_SIGNATURE,
+	    		qaUsrResp.getQaQueUser().getQueUsrId(),qaUsrResp.getQaQueUser().getUsername(),
+	    		qaUsrResp.getAnswer(), updatedResponse);
+
 	    qaUsrResp.setAnswer(updatedResponse);
 	    qaService.updateQaUsrResp(qaUsrResp);
 	    logger.debug("response updated.");