  background-color: #ffe;
        width:*; height:*; 
        border: 1px solid silver;
      }
      
    </style>  
    <script type="text/tiscript">
      
      // our Canvas behavior
      class Canvas: Behavior
      {
        function attached() 
        {
          var funcSrc = "(function(gfx){ " + this.parent.select("pre.code").text + "})";
          this.paintContent = eval( funcSrc );
        }
      }
    
    
    </script>
  </head>
  <body>
    <h1><a href="http://developer.mozilla.org/en/do