anchor.diff:          </div>
   
           <div id="about">
  -          <h3><a href="rails/info/properties" onclick="about(); return false">About your application&rsquo;s environment</a></h3>
  +          <h3><a href="/rails/info/properties" onclick="about(); return false">About your application&rsquo;s environment</a></h3>
             <div id="about-content" style="display: none"></div>
           </div>
   
  
positive.code: 
          if (info.innerHTML === '') {
            xhr = new XMLHttpRequest();
            xhr.open("GET", "rails/info/properties", false);
            xhr.setRequestHeader("X-Requested-With", "XMLHttpRequest");
            xhr.send("");
            info.innerHTML = xhr.responseText;
  
negative.code: 
  
        #header {
          background-image: url("/assets/rails.png");
          background-repeat: no-repeat;
          background-position: top left;
          height: 64px;
  