anchor.diff:  		}
   		setConnected(false);
   	}
  +	
   	function echo() {
   		if (ws != null) {
   			var message = document.getElementById('message').value;
  
positive.code: 			alert('WebSocket connection not established, please connect.');
  		}
  	}
  	function log(message) {
  		var console = document.getElementById('console');
  		var p = document.createElement('p');
  		p.style.wordWrap = 'break-word';
  		p.appendChild(document.createTextNode(message));
  		console.appendChild(p);
  		while (console.childNodes.length > 25) {
  			console.removeChild(console.firstChild);
  		}
  		console.scrollTop = console.scrollHeight;
  	}
  	</script>
  </body>
  </html>
negative.code: <meta http-equiv="X-UA-Compatible" content="IE=edge">
  <meta name="viewport" content="width=device-width, initial-scale=1">
  <title>Index</title>
  <link rel="stylesheet" href="//cdn.bootcss.com/bootstrap/3.3.5/css/bootstrap.min.css">
  <link rel="stylesheet" href="//cdn.bootcss.com/bootstrap/3.3.5/css/bootstrap-theme.min.css">
  <link rel="stylesheet" href="/css/style.css">
  </head>
  <style type="text/css">
  
  #connect-container div {
  	padding: 5px;
  }
  #console {
  	border: 1px solid #CCCCCC;
  