anchor.diff:    </script>
   
   </body>
  -
   </html>
  
positive.code: <html>
  
  <head>
    <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
    <meta name="author" content="Tim Lossen" />
  	<meta name="description" content="realtime charts of amazon ec2 spot prices" />
  	<meta name="keywords" content="amazon, aws, ec2, spot price, pricing, charts, visualization, cloud computing" />
  	<meta name="robots" content="all">
    <title><%= @which %> &mdash; cloud exchange</title>
    <link rel="stylesheet" href="/css/reset.css" />
    <link rel="stylesheet" href="/css/text.css" />
    <link rel="stylesheet" href="/css/960.css" />
    <style>
      a { text-decoration: none; }
      a:hover { text-decoration: underline; }
  
negative.code: <body>  
    <div class="container_12">
  
      <div class="grid_12">
        <h1>cloud exchange</h1>     
        <!--# block name="empty" --><!--# endblock -->
        <h2><%= @which %> &mdash; $<!--# include virtual="/data/<%= @which %>.txt" stub="empty" --></h2>
      </div>
  
      <div class="clear"></div>
  
    	<div class="grid_8">
        <script type="text/javascript" src="/amstock/swfobject.js"></script>
  