jQuery UI Accordion : Changing the Default Active Header

EDITABLE CODE:
<!DOCTYPE html> 
<html> 
	<head>
    <title>jQuery UI Accordion : Changing the Default</title> 
	<meta name="viewport" content="width=device-width, initial-scale=1">
	<link rel="stylesheet" href="http://code.jquery.com/ui/1.11.3/themes/hot-sneaks/jquery-ui.css" />
	<script src="http://code.jquery.com/jquery-2.1.3.js"></script>
	<script src="http://code.jquery.com/ui/1.11.2/jquery-ui.js"></script>
       <script>
        $(document).ready(function() {
         $("#demoAccordion").accordion({
           active: 1
        });
        });
    </script>   
</head> 
<body>
<div id="demoAccordion">
	  <h2><a href="#">Coach</a></h2>
      <img src="coach.png"/>

	  <h2><a href="#">Bike</a></h2>
	   <img src="bike.png"/>

	  <h2><a href="#">Truck</a></h2>
	   <img src="truck.png"/>
  </div>

</body>
</html>

LiveDemo: jQuery UI Accordion : Changing the Default Active Header.

<--Tutorialspark.com

Note:To open none of the accordion as default, set the value of active to false