/******************************************************************
     * with selenium webdriverJs
     * installs firebug 
     * and make http://saadtazi.com the url that is opened on new tabs
    /******************************************************************/
    var webdriver = require('selenium-webdriver');

    // create profile
    var FirefoxProfile = require('firefox-profile');
    var myProfile = new FirefoxProfile();

    // you can add an extension by specifying the path to the xpi file 
    // or to the unzipped extension directory
    myProfile.addExtension('test/extensions/firebug-1.12.4-fx.xpi', function() {
        
        var capabilities = webdriver.Capabilities.firefox();

        // you can set firefox preferences BEFORE calling encoded()
        myProfile.setPreference('browser.newtab.url', 'http://saadtazi.com');
        
        // attach your newly created profile
        
        myProfile.encoded(function(encodedProfile) {
            capabilities.set('firefox_profile', encodedProfile);

            
            // start the browser
            var wd = new webdriver.Builder().
                      withCapabilities(capabilities).
                      build();
            
            // woot!
            wd.get('http://en.wikipedia.org');
        });
    });

    /**************************************************
    /* with admc/wd
    /* installs firebug, and make it active by default
    /**************************************************/

    var FirefoxProfile = require('firefox-profile'),
        wd = require('wd');

    // set some userPrefs if needed
    // Note: make sure you call encoded() after setting some userPrefs
    var fp = new FirefoxProfile();
    // activate and open firebug by default for all sites
    fp.setPreference('extensions.firebug.allPagesActivation', 'on');
    // activate the console panel
    fp.setPreference('extensions.firebug.console.enableSites', true);
    // show the console panel
    fp.setPreference('extensions.firebug.defaultPanelName', 'console');
    // done with prefs?
    fp.updatePreferences();

    // you can install multiple extensions at the same time
    fp.addExtensions(['./test/extensions/firebug-1.12.4-fx.xpi'], function() {
        fp.encoded(function(zippedProfile) {
            browser = wd.promiseChainRemote();
            browser.init({
              browserName:'firefox',
              // set firefox_profile capabilities HERE!!!!
              firefox_profile: zippedProfile
            }).
            // woOot!!
            get('http://en.wikipedia.org');
        });
});