anchor.diff:    <div id='wrapper'>
       <div id='header'>
         <h1>You have encountered a crabgrass error!</h1>
  -      <input type="submit" value="Show Details" id="details" />
  +      <div id='links'>
  +        <a href="/me/dashboard">Go Back</a> | <a href="#" id="details">Show Details</a> 
  +      </div>
       </div>
       <div id='content'>
         <%= @contents %>
  
positive.code:       padding: 10px;
        font-size: 11px;
      }
      a { color: #fff; }
      a:visited { color: #999; }
      a:hover { color: #fff; background-color:#000; }
  
    </style>
  
  
negative.code:       if (!document.getElementById) {
            return;
        }
        var linksDiv = document.getElementById('links');
        var detailsToggle = document.getElementById('details');
        var contentDiv = document.getElementById('content');
        linksDiv.style.display = "block";
        contentDiv.style.display = "none";
        addEvent(detailsToggle, 'click', toggleDetails, false);
      }
  