--- opennms-webapp/src/main/webapp/includes/eventlist.jsp	2010-06-03 04:36:18.000000000 +0200
+++ opennms-webapp/src/main/webapp/includes/eventlist.jsp	2010-06-09 00:56:39.371540828 +0200
@@ -202,7 +202,7 @@
        <td class="standard" colspan="2">
          <%
          String acknowledgeEvent = System.getProperty("opennms.eventlist.acknowledge");
-         if( !(request.isUserInRole( Authentication.READONLY_ROLE )) && "true".equals(acknowledgeEvent)) { %>
+         if( !(request.isUserInRole( Authentication.READONLY_ROLE ))) { %>
            <nobr>
              <input type="button" value="Acknowledge" onclick="submitAck()">
              <input TYPE="reset" />

--- opennms-webapp/src/main/webapp/WEB-INF/jsp/event/list.jsp	2010-06-08 03:19:55.000000000 +0200
+++ opennms-webapp/src/main/webapp/WEB-INF/jsp/event/list.jsp	2010-06-09 00:44:02.039540912 +0200
@@ -427,7 +427,7 @@
         <p><%=events.length%> events
           <% 
           String acknowledgeEvents = System.getProperty("opennms.eventlist.acknowledge");
-          if( !(req.isUserInRole( Authentication.READONLY_ROLE )) && "true".equals(acknowledgeEvents)) { %>
+          if( !(req.isUserInRole( Authentication.READONLY_ROLE ))) { %>
             <% if( parms.ackType == AcknowledgeType.UNACKNOWLEDGED ) { %>
               <input type="button" value="Acknowledge Events" onClick="submitForm('<%= AcknowledgeType.UNACKNOWLEDGED.getShortName() %>')"/>
               <input TYPE="button" VALUE="Select All" onClick="checkAllCheckboxes()"/>