<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
    <title>moon-shine</title>
    
	<link rel="stylesheet" href="moonshine.css" type="text/css" media="screen">
	<link rel="stylesheet" href="moonglow.css" type="text/css" media="screen">
  </head>
  <body>
    
	<!-- The stage where the content will be drawn -->
	<div id="stage"> </div>
	
	<!-- Panel for Code generation and Preview -->
	<div id="panel" class="small-text">
		<a id="btnCode" href="javascript:void(0)" class="button blue uppercase">Nodes</a>
	</div>
	
	<div id="code-preview" class="small-text code-text">
		
	</div>
	
	<!-- include js files -->
	<script src="jquery-1.7.2.min.js"></script>
    	<script src="models.js"></script>
	<script src="codegen.js"></script>
	<script src="data.js"></script>
    <script src="moonshine.js"></script>
  </body>
</html>

<!DOCTYPE html>
<html>
  <head>
    <meta http-equiv="Content-type" content="text/html; charset=utf-8">
    <title>moon-shine</title>
    
	<link rel="stylesheet" href="moonshine.css" type="text/css" media="screen">
	<link rel="stylesheet" href="moonglow.css" type="text/css" media="screen">
  </head>
  <body>
    
	<!-- The stage where the content will be drawn -->
	<div id="stage"> </div>
	
	<!-- Panel for Code generation and Preview -->
	<div id="panel" class="small-text">
		<a id="btnCode" href="javascript:void(0)" class="button blue uppercase">Nodes</a>
		<a id="btnAddNode" href="javascript:void(0)" class="button blue uppercase">+</a>
	</div>
	
	<div id="code-preview" class="small-text code-text">
		
	</div>
	
	<!-- include js files -->
	<script src="jquery-1.7.2.min.js"></script>
    	<script src="models.js"></script>
	<script src="codegen.js"></script>
	<script src="data.js"></script>
    <script src="moonshine.js"></script>
  </body>
</html>

Add Add node button in panel.
Add Add node button in panel.

The button will be displayed if CONFIG.enableAddNodeButton is enabled