after every 5 news, show the subscribe/supporter banner

news/archive-template.en.xhtml

@@ -31,4 +31,7 @@
 
     <include-news/>
   </body>
+
+  <banner1><module id="banner-subscribe" /></banner1>
+  <banner2><module id="banner-become-supporter" /></banner2>
 </html>

news/default.xsl

@@ -103,6 +103,20 @@
       ]">
       <xsl:sort select="@date" order="descending"/>
 
+      <!-- Before every 5 news, show a banner, depending on even or odd number of position in loop -->
+      <xsl:if test="position() mod 5 = 0">
+        <xsl:choose>
+          <!-- even number -->
+          <xsl:when test="position() mod 2 = 0">
+            <xsl:apply-templates select="/buildinfo/document/banner1/node()" />
+          </xsl:when>
+          <!-- odd number -->
+          <xsl:otherwise>
+            <xsl:apply-templates select="/buildinfo/document/banner2/node()" />
+          </xsl:otherwise>
+        </xsl:choose>
+      </xsl:if>
+
       <!-- Display the news items -->
       <xsl:apply-templates select="."/>
 

news/news.en.xhtml

@@ -34,4 +34,7 @@
       <a class="learn-more" href="2020/index.html"/>
     </p>
   </body>
+
+  <banner1><module id="banner-subscribe" /></banner1>
+  <banner2><module id="banner-become-supporter" /></banner2>
 </html>