anchor.diff:            <!-- main navigation -->
             <ul id="nav">
               <li>
  -              <!-- removed menu as hosted on heroku -->
  +              <!--<a href="/iau/mpc.html"><span>OBSERVERS</span></a>-->
  +              <!--
  +              <ul>
  +                <li><a href="/iau/MPEph/MPEph.html">Ephemeris Service</a></li>
  +                <li><a href="/mpec/RecentMPECs.html">MPECs</a></li>
  +                <li><a href="/iau/NEO/toconfirm_tabular.html">NEO Confirmation</a></li>
  +                <li><a href="/iau/Ephemerides/EphemOrbEls.html" class="nested">Orbital Elements</a>
  +                  <ul>
  +                    <li><a href="/iau/MPCORB.html">MPCORB</a></li>
  +                    <li><a href="/iau/ECS/MPCAT/MPCAT.html">MPCAT</a></li>
  +                    <li><a href="/iau/ECS/MPCUPDATE/MPCUPDATE.html">MPCUPDATE</a></li>
  +                    <li><a href="/iau/Ephemerides/SoftwareEls.html">Orbital Elements for Software</a></li>
  +                  </ul>                
  +                </li>
  +                <li><a href="/iau/services/MPCServices.html">Publications Overview</a></li>
  +                <li><a href="/iau/ECS/MPCArchive/MPCArchive_TBL.html">Publications Archive</a></li>              
  +                <li><a href="/iau/NEO/TheNEOPage.html" class="nested">NEO Services</a>
  +                  <ul>
  +                    <li><a href="/iau/NEO/toconfirm_tabular.html">Confirmation</a></li>
  +                    <li><a href="/iau/NEO/PossNEO.html">Ratings</a></li>
  +                    <li><a href="/cgi-bin/neaobs.cgi">Observation Planning Aid</a></li>
  +                    <li><a href="/cgi-bin/checkneo.cgi">NEOChecker</a></li>
  +                    <li><a href="/cgi-bin/checkneocmt.cgi">NEOCMTChecker</a></li>
  +                    <li><a href="/NEOCPblog/">NEOCP Blog</a></li>
  +                    <li><a href="/neocp_obs">NEOCP Recent Observations</a></li>
  +                  </ul>
  +                </li>
  +                <li><a href="/iau/services/WebCSAccess.html" class="nested">Other Observer Services</a>
  +                  <ul>
  +                    <li><a href="/iau/NatSats/NaturalSatellites.html">Natural Satellite Ephemerides</a></li>
  +                    <li><a href="/iau/MPEph/NewObjEphems.html">New Object Ephemerides</a></li>
  +                    <li><a href="/cgi-bin/checkmp.cgi">MPChecker</a></li>
  +                    <li><a href="/cgi-bin/checkcmt.cgi">CMTChecker</a></li>
  +                    <li><a href="/iau/SpaceJunk/SpaceJunk.html">Distant Artificial Satellites</a></li>
  +                    <li><a href="/iau/lists/Customize.html">Observing List Customizer</a></li>
  +                  </ul>
  +                </li>
  +                <li><a href="/db_search">Orbits/Observations Database</a></li>
  +                <li><a href='/light_curve2/light_curve.php'>Light Curve Database</a></li>
  +                <li><a href="/iau/ECS/MPCAT-OBS/MPCAT-OBS.html">MPCAT-OBS</a></li>
  +                <li><a href="/iau/SkyCoverage.html">Sky Coverage</a></li>
  +                <li><a href="/iau/MPC_Documentation.html" class="nested">Documentation</a>
  +                  <ul>
  +                    <li><a href="/iau/info/TechInfo.html">MPC Submission Info</a></li>
  +                    <li><a href="/iau/info/Astrometry.html">Astrometry Guide</a></li>
  +                    <li><a href="/iau/WhatsNew.html">What's New</a></li>
  +                  </ul>                
  +                </li>
  +                <li><a href="/iau/lists/Lists.html" class="nested">Lists and Plots</a>
  +                  <ul>
  +                    <li><a href="/iau/lists/MPLists.html">Minor Planets</a></li>
  +                    <li><a href="/iau/lists/CometLists.html">Comets</a></li>
  +                    <li><a href="/iau/Animations/Animations.html">Animations</a></li>
  +                  </ul>                
  +                </li>
  +                <li><a href="/iau/MPCStatus.html">MPC Status</a></li>
  +                <li><a href="/mpc/summary">Summary of Latest Data</a></li>
  +
  +              </ul>
  +          -->
               </li>
              
               <li> 
  
positive.code: 
                    <% if @asteroid.taxonomy_class.present? %>
                        <div class="form-group">
                        <label class="col-md-6 control-label ae-form-label"><div href="#" class="label label-info" data-toggle="popover" data-placement="above" title="Spectral Class" data-content="This tells astronomers what the asteroid's surface is made of"><span class="fa fa-info-circle fa-lg"></span></div> Spectral Class</label>
                          <div class="col-md-6">
                            <p class="form-control-static ae-form-data"><%= @asteroid.taxonomy_class %></p>
                          </div>
  
negative.code:   <script id="twitter-wjs" src="../../../mpc/js/widgets.js"></script>
    <script type="text/javascript" async="" src="../../../mpc/js/plusone.js"></script>
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  <!-- END MPC -->
  