anchor.diff:                    <label for="postcode_box">Enter a UK postcode <input id="postcode_box" name="postcode_box" type="text" placeholder="e.g. SW1A 2AA"></label>
                     <input type="submit" value="Get started →">
   
  -	               
  +
   	                  <p class="finding_location hidden">Locating you&hellip;
   	                    <input type="hidden" name="lon" value=""><input type="hidden" name="lat" value=""></p>
  -	                
  +
   	                <p id="forget-location">
   	                  <a href="#">Forget my location</a>
   	                </p>
  
positive.code: 
      </div>
  
      <script type="text/javascript">
        var _gaq = _gaq || [];
        _gaq.push(['_setAccount', 'UA-26179049-1']);
        _gaq.push(['_setDomainName', 'alphagov.co.uk']);
        _gaq.push(['_setAllowLinker', true]);
        _gaq.push(['_trackPageview']);
  
        (function() {
          var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
          ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
          var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
        })();
      </script>
  
  </body>
  </html>
  
negative.code: <footer class="group" id="footer">
  	<div class="inner group" role="contentinfo">
  		<div class="subsection copyright">
      	<p>&copy; 2011 Crown Copyright</p>
      	<p id="reuse-license">
        Much of the information on this website is available for reuse under the <a href="http://www.nationalarchives.gov.uk/doc/open-government-licence/" rel="licence">Open Government Licence</a>
      	</p>
  