Index: lams_tool_larsrc/web/pages/learning/addfile.jsp
===================================================================
RCS file: /usr/local/cvsroot/lams_tool_larsrc/web/pages/learning/addfile.jsp,v
diff -u -r1.17.2.4 -r1.17.2.5
--- lams_tool_larsrc/web/pages/learning/addfile.jsp	2 Dec 2016 22:06:21 -0000	1.17.2.4
+++ lams_tool_larsrc/web/pages/learning/addfile.jsp	16 Feb 2017 00:43:03 -0000	1.17.2.5
@@ -55,7 +55,7 @@
 	 		<html:button property="goback" onclick="javascript:cancel()" styleClass="btn btn-sm btn-default" styleId="cancelButton">
 				<fmt:message key="button.cancel" />
 			</html:button>&nbsp;
-			<html:submit styleClass="btn btn-sm btn-default" styleId="submitButton">
+			<html:submit styleClass="btn btn-sm btn-default btn-disable-on-submit" styleId="submitButton">
 			 	<fmt:message key="button.add" />
 			</html:submit>
 		</div>