title: ExtJs4 + IE9 = Object doesn't support property or method 'createContextualFragment'
body: <p>I'm working with ExtJs on IE9.. and i almost always get this error..</p>
  
  <blockquote>
    <p>Microsoft JScript runtime error: </p>
    
    <p>Object doesn't support property or
    method 'createContextualFragment'</p>
  </blockquote>
  
  <p><strong>What dose it means? What 'createContextualFragment' is needed for? And how to fix this?</strong></p>