Index: lams_tool_larsrc/web/pages/learning/addfile.jsp
===================================================================
diff -u -r0effae5377cf7d628757b74da04bd26e0ba60a59 -r7ed5fbd3fe8ae436e1a4376f59cd23392a6f389f
--- lams_tool_larsrc/web/pages/learning/addfile.jsp	(.../addfile.jsp)	(revision 0effae5377cf7d628757b74da04bd26e0ba60a59)
+++ lams_tool_larsrc/web/pages/learning/addfile.jsp	(.../addfile.jsp)	(revision 7ed5fbd3fe8ae436e1a4376f59cd23392a6f389f)
@@ -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>