anchor.diff:          </div>
         </footer>
   
  +
  +<script type="text/javascript">
  +      (function() {
  +        var po = document.createElement('script'); po.type = 'text/javascript'; po.async = true;
  +        po.src = 'https://apis.google.com/js/plusone.js';
  +        var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(po, s);
  +      })();
  +    </script>
  +
  +    <script type="text/javascript">
  +      //<![CDATA[
  +      var _tag=new WebTrends();
  +      _tag.dcsGetId();
  +      //]]>
  +    </script>
  +
  +    <script type="text/javascript">
  +      //<![CDATA[
  +      _tag.dcsCustom=function(){
  +      // Add custom parameters here.
  +      //_tag.DCSext.param_name=param_value;
  +      }
  +      _tag.dcsCollect();
  +      //]]>
  +    </script>
  +
  +    <noscript>
  +      <div>
  +        <img alt="DCSIMG" id="DCSIMG" width="1" height="1" src="//logs1.smithsonian.museum/dcsa7yzrmbdzpxzrosrn4tyep_5i1d/njs.gif?dcsuri=/nojavascript&amp;WT.js=No&amp;WT.tv=9.4.0&amp;dcssip=www.minorplanetcenter.net">
  +      </div>
  +    </noscript>
  +
   </body>
   </html>
   
  
positive.code:           <!-- main navigation -->
            <ul id="nav">
              <li>
                <!-- removed menu as hosted on heroku -->
              </li>
             
              <li> 
  
negative.code:         
              <div class="form-holder">
               <!-- 
                <form class="search-form" method="get" action="http://www.google.com/search">
                  <fieldset>
              
                    <input type="hidden" name="sitesearch" value="minorplanetcenter.net">
                    <input type="text" onfocus="if(this.value==this.defaultValue)this.value='';" onblur="if(this.value=='')this.value=this.defaultValue;" id="search" name="q" value="Search MPC">
               
                  </fieldset>
                </form>
                     -->
              </div>
            
  
  