title: Check if infowindow is opened Google Maps v3
body: <p>Please, I need a help.</p>
  
  <p>I want to check if my infowindow is opened.</p>
  
  <p>For example:</p>
  
  <pre><code>if (infowindow.isOpened)
  {
     doSomething()
  }
  </code></pre>
  
  <p>or</p>
  
  <pre><code>if (infowindow.close)
  {
     doAnotherthing();
  }
  </code></pre>
  
  <p>I dont have any idea, how to do this</p>