rem: const ss = Components.interfaces.nsIShellService; var shell = Components.classes["@mozilla.org/browser/shell-service;1"].getService(Components.interfaces.nsIShellService); shell.openPreferredApplication(ss.APPLICATION_NEWS); 
add: var shell = window.getShellService(); if (shell) shell.openPreferredApplication(Components.interfaces.nsIShellService.APPLICATION_NEWS); 
context:   readNews: function ()  {    const ss = Components.interfaces.nsIShellService;    var shell = Components.classes["@mozilla.org/browser/shell-service;1"].getService(Components.interfaces.nsIShellService);    shell.openPreferredApplication(ss.APPLICATION_NEWS);  },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/56b2b34f2b6ab28fc4a8ba91baf3be478a9cc983/browser.js/clean/browser/base/content/browser.js