anchor.diff:      </tr>
   </table>
   <p>&nbsp;</p>
  -<% } %>    
  +<% } %>
  +<hr />
  +<div id="footer">
  +$Id$<br/>
  +&copy; 2012 Computer Engineering and Networks Laboratory, ETH Zurich<br/>
  +Vizzly is free open-source software: <a href="https://code.google.com/p/vizzly">https://code.google.com/p/vizzly</a><br/>
  +</div>   
   </body>
   </html>
positive.code: <%@ page import="ch.ethz.vizzly.VizzlyStateContainer,ch.ethz.vizzly.cache.*,ch.ethz.vizzly.datatype.*,java.util.*,java.text.SimpleDateFormat,java.text.DecimalFormat" %>
  <html><head>
  <title>Vizzly Cache Status</title>
  <style type="text/css">
  h3 { font-family: Verdana, Helvetica, sans-serif; font-size:14px; }
  p, td { font-family: Verdana, Helvetica, sans-serif; font-size:12px; }
  a { color:#ffffff; }
  </style>
  </head>
  <body bgcolor="#FFFFFF">
  <%
  
  VizzlyStateContainer vizzlyState = 
          (VizzlyStateContainer)application.getAttribute(VizzlyStateContainer.SERVLET_ATTRIB_KEY);
  CacheManager cacheManager = vizzlyState.getCacheManager();
  
  // Process signal removal requests
  if(request.getParameter("remove") != null) {
      for(VizzlySignal s : cacheManager.getSignals(0)) {
          if(s.getUniqueIdentifier().equals(request.getParameter("remove"))) {
              cacheManager.scheduleSignalForRemoval(s);
          }   
  
negative.code: 
  for(int i = 0; i < cacheManager.getNumberOfCaches(); i++) {
  %>
  <h3><%=cacheManager.getCacheDescription(i)%> Cache Contents</h3>
  <table style="border: 1px solid #000000;">
  <tr style="background-color: #000000; color: #ffffff; font-weight: bold">
      <td><a class="white" href="?s=NAME">SIGNAL NAME</a></td>
      <td><a class="white" href="?s=WINDOW_LENGTH">WIN LEN.</a></td>
      <td><a class="white" href="?s=NUM_ELEMENTS"># ROWS</a></td>
      <td><a class="white" href="?s=HAS_LOCATION_DATA">LOC</a></td>
      <td width="160"><a class="white" href="?s=LAST_PACKET_TIMESTAMP">LAST TIMESTAMP</a></td>
      <td width="160"><a class="white" href="?s=LAST_UPDATE">LAST UPDATE</a></td>
      <td><a class="white" href="?s=HITS">HITS</a></td>
      <td>DEL</td>
  </tr>
  <%
  