anchor.diff:            <br />
               <% if(alarms[i].getServiceType() != null && !"".equals(alarms[i].getServiceType().getName())) { %>
                 <% Filter serviceFilter = new ServiceFilter(alarms[i].getServiceType().getId()); %>
  -              <% if( alarms[i].getNodeId() != 0 && alarms[i].getIpAddr() != null ) { %>
  +              <% if( alarms[i].getNodeId() != null && alarms[i].getIpAddr() != null ) { %>
                   <c:url var="serviceLink" value="element/service.jsp">
                     <c:param name="node" value="<%=String.valueOf(alarms[i].getNodeId())%>"/>
                     <c:param name="intf" value="<%=InetAddressUtils.str(alarms[i].getIpAddr())%>"/>
  
positive.code:             </nobr>
            <br />
                <% if ( parms.ackType == AcknowledgeType.ACKNOWLEDGED ) { %>
  			<nobr><%=alarm.getAckUser()%></nobr>          
              <nobr>
                <a href="<%=this.makeLink( parms, new AcknowledgedByFilter(alarms[i].getAckUser()), true)%>"  class="filterLink" title="Only show alarms ack by this user">${addPositiveFilter}</a>            
                <a href="<%=this.makeLink( parms, new NegativeAcknowledgedByFilter(alarms[i].getAckUser()), true)%>" class="filterLink" title="Only show alarms ack by other users">${addNegativeFilter}</a>
  
negative.code: 		<br />
              <% if(alarms[i].getIpAddr() != null ) { %>
                <% Filter intfFilter = new InterfaceFilter(alarms[i].getIpAddr()); %>
                <% if( alarms[i].getNodeId() != null ) { %>
                  <c:url var="interfaceLink" value="element/interface.jsp">
                    <c:param name="node" value="<%=String.valueOf(alarms[i].getNodeId())%>"/>
                    <c:param name="intf" value="<%=InetAddressUtils.str(alarms[i].getIpAddr())%>"/>
  