```ruby
module SemiStatic
  module EntriesHelper
    STYLE_CLASSES = ['normal', ' feint',  'flat',  'collapse', 'flat collapse', 'hard', 'highlight', 'wobble', 'dotted']

    def youtube_video(id)
      "<div class='yt_video'> <iframe width='640' height='360' src='//www.youtube.com/embed/#{id}?controls=0&amp;showinfo=0' allowfullscreen></iframe></div>".html_safe
    end
  end
end
```

Stop related videos display at end of embedded YouTube
user
```ruby
module SemiStatic
  module EntriesHelper
    STYLE_CLASSES = ['normal', ' feint',  'flat',  'collapse', 'flat collapse', 'hard', 'highlight', 'wobble', 'dotted']

    def youtube_video(id)
      "<div class='yt_video'> <iframe width='640' height='360' src='//www.youtube.com/embed/#{id}?rel=0&amp;controls=0&amp;showinfo=0' allowfullscreen></iframe></div>".html_safe
    end
  end
end
```
assistant