diff --git a/doc/RUNNING_TESTS.md b/doc/RUNNING_TESTS.md
index fe8e0011a7b9..c15e61629c44 100644
--- a/doc/RUNNING_TESTS.md
+++ b/doc/RUNNING_TESTS.md
@@ -33,6 +33,17 @@ cucumber features:
     # Example: cuken Adding an issue link
     cuken() { bundle exec rake "cucumber:all[-n '$*']"; }
 
+To activate selenium as test driver to test javascript on web pages, you can add
+@javascript above the scenario like the following example shows:
+
+    @javascript
+    Scenario: Testing something with Javascript
+      When I ...
+
+You can always start a debugger using the step "And I start debugging".
+If you need Firebug and Firepath while debugging a scenario, just replace
+@javascript with @firebug.
+
 
 ## RSpec
 
diff --git a/features/support/firebug-1.11.4.xpi b/features/support/firebug-1.11.4.xpi
new file mode 100644
index 000000000000..8237ddbe2146
Binary files /dev/null and b/features/support/firebug-1.11.4.xpi differ
diff --git a/features/support/firepath-0.9.7-fx.xpi b/features/support/firepath-0.9.7-fx.xpi
new file mode 100755
index 000000000000..6fe2182b8125
Binary files /dev/null and b/features/support/firepath-0.9.7-fx.xpi differ
diff --git a/features/support/selenium_with_firebug.rb b/features/support/selenium_with_firebug.rb
new file mode 100644
index 000000000000..68ca93c7b9b5
--- /dev/null
+++ b/features/support/selenium_with_firebug.rb
@@ -0,0 +1,28 @@
+Capybara.register_driver :selenium_with_firebug do |app|
+  Capybara::Selenium::Driver
+  profile = Selenium::WebDriver::Firefox::Profile.new
+  profile.add_extension(File.expand_path("../firebug-1.11.4.xpi", __FILE__))
+  profile.add_extension(File.expand_path("../firepath-0.9.7-fx.xpi", __FILE__))
+
+  # Prevent "Welcome!" tab
+  profile["extensions.firebug.currentVersion"] = "999"
+
+  # Enable for all sites.
+  profile["extensions.firebug.allPagesActivation"] = "on"
+
+  # Enable all features.
+  ['console', 'net', 'script'].each do |feature|
+    profile["extensions.firebug.#{feature}.enableSites"] = true
+  end
+
+  profile['intl.accept_languages'] = 'en,en-us'
+
+  Capybara::Selenium::Driver.new(app,
+                                 :browser => :firefox,
+                                 :profile => profile)
+end
+
+Before '@firebug' do
+  Capybara.current_driver = :selenium_with_firebug
+end
+