rem: var aWindow = iterator.getNext(); if (aWindow.getHelpFileURI() == helpFileURI) { topWindow = aWindow; 
add: currentWindow = iterator.getNext(); if (currentWindow.getHelpFileURI() == helpFileURI) { topWindow = currentWindow; 
context: function locateHelpWindow(helpFileURI) {  const windowManager = Components.classes['@mozilla.org/appshell/window-mediator;1']                                  .getService(Components.interfaces.nsIWindowMediator);  var iterator = windowManager.getEnumerator("mozilla:help");  var topWindow = null;  // Loop through the help windows looking for one with the  // current Help URI loaded.  while (iterator.hasMoreElements()) {    var aWindow = iterator.getNext();    if (aWindow.getHelpFileURI() == helpFileURI) {      topWindow = aWindow;      break;      }    }  return topWindow;}
meta: 8395	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/8395/75beaf0caddfcae9bf94ab73f21242ad897d0758/contextHelp.js/clean/extensions/help/resources/content/contextHelp.js