Index: lams_central/src/java/org/lamsfoundation/lams/workspace/web/WorkspaceAction.java
===================================================================
diff -u -r9a93d1dcb0661fc6f83bba59b76e00682f39b55e -rc45643e40397b163286a74ff53095a58ca631be4
--- lams_central/src/java/org/lamsfoundation/lams/workspace/web/WorkspaceAction.java	(.../WorkspaceAction.java)	(revision 9a93d1dcb0661fc6f83bba59b76e00682f39b55e)
+++ lams_central/src/java/org/lamsfoundation/lams/workspace/web/WorkspaceAction.java	(.../WorkspaceAction.java)	(revision c45643e40397b163286a74ff53095a58ca631be4)
@@ -202,9 +202,9 @@
         
         // LDEV-2833 IE9 won't refresh designs in lesson wizard
         // so we purposely need to tell the browser not to cache this
-        response.addHeader("Pragma", "no-cache");
-        response.addHeader("Cache-Control", "no-cache");
-        response.addDateHeader("Expires", System.currentTimeMillis() - (1000L * 60L * 60L * 24L * 365L));
+	response.addHeader("Pragma", "no-cache");
+	response.addHeader("Cache-Control", "no-cache");
+	response.addDateHeader("Expires", System.currentTimeMillis() - LamsDispatchAction.HEADER_EXPIRES_VALUE);
 
 		String methodKey = "getFolderContents";
 		try {
Index: lams_common/src/java/org/lamsfoundation/lams/web/action/LamsDispatchAction.java
===================================================================
diff -u -racc8d2acf5b6b0002e0c8129947040a779ab4077 -rc45643e40397b163286a74ff53095a58ca631be4
--- lams_common/src/java/org/lamsfoundation/lams/web/action/LamsDispatchAction.java	(.../LamsDispatchAction.java)	(revision acc8d2acf5b6b0002e0c8129947040a779ab4077)
+++ lams_common/src/java/org/lamsfoundation/lams/web/action/LamsDispatchAction.java	(.../LamsDispatchAction.java)	(revision c45643e40397b163286a74ff53095a58ca631be4)
@@ -45,6 +45,7 @@
     public static final String CONTENT_TYPE_TEXT_PLAIN = "text/plain";
     public static final String CONTENT_TYPE_TEXT_HTML = "text/html";
     public static final String CONTENT_TYPE_TEXT_XML = "text/xml";
+    public static final long HEADER_EXPIRES_VALUE = 1000L * 60L * 60L * 24L * 365L;
 
     protected static TokenProcessor token = TokenProcessor.getInstance();
     protected static Logger log = Logger.getLogger(LamsDispatchAction.class);
Index: lams_learning/src/java/org/lamsfoundation/lams/learning/web/action/LearnerAction.java
===================================================================
diff -u -r509ff3210f0ba8d0418e81d99935bc1b2b12b4e9 -rc45643e40397b163286a74ff53095a58ca631be4
--- lams_learning/src/java/org/lamsfoundation/lams/learning/web/action/LearnerAction.java	(.../LearnerAction.java)	(revision 509ff3210f0ba8d0418e81d99935bc1b2b12b4e9)
+++ lams_learning/src/java/org/lamsfoundation/lams/learning/web/action/LearnerAction.java	(.../LearnerAction.java)	(revision c45643e40397b163286a74ff53095a58ca631be4)
@@ -409,7 +409,7 @@
     // LDEV-2835
 	response.addHeader("Pragma", "no-cache");
     response.addHeader("Cache-Control", "no-cache");
-    response.addDateHeader("Expires", System.currentTimeMillis() - (1000L * 60L * 60L * 24L * 365L));
+    response.addDateHeader("Expires", System.currentTimeMillis() - LamsDispatchAction.HEADER_EXPIRES_VALUE);
 
     response.getWriter().print(wddxPacket);