<!DOCTYPE html> 
<html>
  <head>
    <title>ARIA 1.0 Test Case 671</title>
    <meta http-equiv="Content-Type" content="text/html; charset=utf-8">
  </head>
  <body>
    <h1>ARIA 1.0 Test Case 671</h1>
    
    <ul role="listbox">
      <li role="option" aria-selected="false" id="ID_OPTION" tabindex="0">Option 1</li> 
      <li role="option">Option 2</li> 
    </ul>

    <h2>Description</h2>
    <p>For an element with role role "option" which is a child of an element with 
      role "listbox", and the value of the "aria-selected" attribute is NOT equal 
      to "true" or the attribute is undefined.</p>
    
    
    <script type="text/javascript">  
      
     function setFocus() {
       var test_node = document.getElementById('ID_OPTION');  
       test_node.focus();
     }
     
     window.addEventListener('load', setFocus);
    </script>
  </body>
  
</html>