convert to using small version of the image

build/xslt/news.xsl

@@ -3,16 +3,41 @@
 <xsl:stylesheet version="1.0"
                 xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                 xmlns:dt="http://xsltsl.org/date-time"
+                xmlns:str="http://xsltsl.org/string"
                 exclude-result-prefixes="dt">
 
   <xsl:import href="../../tools/xsltsl/date-time.xsl"/>
+  <xsl:import href="../../tools/xsltsl/string.xsl"/>
 
 
   <!-- ==================================================================== -->
   <!-- News image with or without link                                      -->
   <!-- ==================================================================== -->
 
+  <!-- Define the URL of the image -->
   <xsl:template name="news-image">
+    <xsl:param name="shrink" />
+    <xsl:variable name="img-src">
+      <xsl:choose>
+        <xsl:when test="$shrink = 'yes'">
+          <xsl:call-template name="str:subst">
+            <xsl:with-param name="text">
+              <xsl:call-template name="str:subst">
+                <xsl:with-param name="text" select="image/@url" />
+                <xsl:with-param name="replace" select="'/big/'" />
+                <xsl:with-param name="with" select="'/small/'" />
+              </xsl:call-template>
+            </xsl:with-param>
+            <xsl:with-param name="replace" select="'/medium/'" />
+            <xsl:with-param name="with" select="'/small/'" />
+          </xsl:call-template>
+        </xsl:when>
+        <xsl:otherwise>
+          <xsl:value-of select="image/@url"/>
+        </xsl:otherwise>
+      </xsl:choose>
+    </xsl:variable>
+
     <xsl:choose>
       <!-- XML file provides a link (default for news items) -->
       <xsl:when test="link != ''">
@@ -22,7 +47,7 @@
           </xsl:attribute>
           <xsl:element name="img">
             <xsl:attribute name="src">
-              <xsl:value-of select="image/@url"/>
+              <xsl:value-of select="$img-src"/>
             </xsl:attribute>
             <xsl:attribute name="alt">
               <xsl:value-of select="image/@alt"/>
@@ -37,7 +62,7 @@
       <xsl:otherwise>
         <xsl:element name="img">
           <xsl:attribute name="src">
-            <xsl:value-of select="image/@url"/>
+            <xsl:value-of select="$img-src"/>
           </xsl:attribute>
           <xsl:attribute name="alt">
             <xsl:value-of select="image/@alt"/>