Octopress multilanguage header

gistfile1.html

{% if site.lang == "ru" %}
  {% capture link1 %}{{ site.baseurl_root }}/en{{ page.url}}{% endcapture %}
  <a href="{{ link1 }}" >{% t global.english %}</a>
{% else if site.lang == "en" %}
  {% capture link2 %}{{ site.baseurl_root }}{{ page.url  }}{% endcapture %}
  <a href="{{ link2 }}" >{% t global.russian %}</a>
{% endif %}