title: Javascript "member not found"
body: <p>I have a web page that has some links to pdf files that open in a new scrren.  If I click one of the links the new page opens fine.  If I click on another link while that page is open it replaces the page with the new page which is fine, however it throws a JS erre saying  "member not found"</p>
  
  <p>HTML:</p>
  
  <pre><code>helpMenu.add( new AnchorMenuItem("User Guide", "javascript:openHelpWindow('../html/help/user_guide.html');") );
  helpMenu.add( new AnchorMenuItem("FAQ", "javascript:openHelpWindow('../html/help/faq.html');") );
  helpMenu.add( new AnchorMenuItem("Features", "javascript:openHelpWindow('../html/help/features.html');") );
  helpMenu.add( new AnchorMenuItem("Overview", "javascript:openHelpWindow('../doc/Overview.pdf');") );
  helpMenu.add( new AnchorMenuItem("Actual Info Guide", "javascript:openHelpWindow('../doc/ActualInfoGuide.pdf');") );
  </code></pre>
  
  <p>JS</p>
  
  <pre><code>/**
  * Function to open the pop-up windows that the radio button
   * or select box options will be chosen from.
   */
  function openHelpWindow(url)
  {
      var w;
      if (isBrowserNetscape)
      {
          // Netscape
          w = window.open(url, "MSSTHelp", "resizable=yes, scrollbars=yes, menubar=no, location=no, toolbar=no, height=700, width=900, screenX=100, screenY=100");
      }
      else
      {
          // IE
          w = window.open(url, "MSSTHelp", "resizable=yes, scrollbars=yes, menubar=no, location=no, toolbar=no, height=700, width=900, left=100, top=100");
      }
      w.focus();
  }
  </code></pre>
  
  <p>The error is at <code>w.focus();</code></p>