anchor.diff:  <%@ page import="org.json.JSONArray" %>
  +<%@ page import="uk.ac.ebi.gxa.dao.AtlasDAO" %>
   <%@ page import="uk.ac.ebi.gxa.web.Atlas" %>
   <%@ page import="uk.ac.ebi.microarray.atlas.model.Experiment" %>
  +<%@ page import="java.util.Collections" %>
  +<%@ page import="java.util.Comparator" %>
   <%@ page import="java.util.List" %>
  -<%@ page import="uk.ac.ebi.gxa.dao.AtlasDAO" %>
   <%--
     Admin page for the atlas.  Use this page to load new experiments or to build indexes or netcdfs, or to perform
     analyses, of experiments in the database.
  
positive.code:     </table>
  </div>
  
  <div id="recompute">
      <h2>Existing Experiments</h2>
  
  
negative.code: 
      // use DAO to fetch list of experiments
      List<Experiment> experiments = atlasDAO.getAllExperiments();
  
      // sort this list based on alphabetic comparison of accessions
      Collections.sort(experiments, new Comparator<Experiment>() {
  
          public int compare(Experiment experiment1, Experiment experiment2) {
              return experiment1.getAccession().compareTo(experiment2.getAccession());
          }
      });
  
      JSONArray json = new JSONArray();
  %>
  <html>
  