<!-- everything has to be repeated twice because on 2016-02-01 GitHub pages migrated to jekyll 3; see bug https://github.com/jekyll/jekyll/issues/4439 -->

{% if page.common-ext-js %}
  {% for js in page.common-ext-js %}
	<script src="{{ js }}"></script>
  {% endfor %}
{% endif %}
{% if layout.common-ext-js %}
  {% for js in layout.common-ext-js %}
	<script src="{{ js }}"></script>
  {% endfor %}
{% endif %}

{% if page.ext-js %}
  {% for js in page.ext-js %}
	<script src="{{ js }}"></script>
  {% endfor %}
{% endif %}
{% if layout.ext-js %}
  {% for js in layout.ext-js %}
	<script src="{{ js }}"></script>
  {% endfor %}
{% endif %}

{% if page.js %}
  {% for js in page.js %}
	<script src="{{ js | prepend: site.baseurl | replace: '//', '/' }}"></script>
  {% endfor %}
{% endif %}
{% if layout.js %}
  {% for js in layout.js %}
	<script src="{{ js | prepend: site.baseurl | replace: '//', '/' }}"></script>
  {% endfor %}
{% endif %}

{% if layout.common-js %}
  {% for js in layout.common-js %}
    <!-- doing something a bit funky here because I want to be careful not to include JQuery twice! -->
    {% if js contains 'jquery' %}
      <script>
      	if (typeof jQuery == 'undefined') {
      	  document.write('<script src="{{ js | prepend: site.baseurl | replace: "//", "/" }}"></scr' + 'ipt>');
      	}
      </script>
    {% else %}
	<script src="{{ js | prepend: site.baseurl | replace: '//', '/' }}"></script>
    {% endif %}
  {% endfor %}
{% endif %}
{% if page.common-js %}
  {% for js in page.common-js %}
    <!-- doing something a bit funky here because I want to be careful not to include JQuery twice! -->
    {% if js contains 'jquery' %}
      <script>
      	if (typeof jQuery == 'undefined') {
      	  document.write('<script src="{{ js | prepend: site.baseurl | replace: "//", "/" }}"></scr' + 'ipt>');
      	}
      </script>
    {% else %}
	<script src="{{ js | prepend: site.baseurl | replace: '//', '/' }}"></script>
    {% endif %}
  {% endfor %}
{% endif %}

{% include google_analytics.html %}