Не могу разобраться как....

   <!-- Шаблон для групп товара -->
   <xsl:template match="group">
      
      <xsl:variable name="parent_id" select="@parent"/>
      
      <div style="margin-bottom: 15px;">
         <a href="{/shop/path}{fullpath}" style="font-weight: bold">
            <xsl:value-of disable-output-escaping="yes" select="name"/>
      </a>&#xA0;<span style="color: #aaaaaa">(<xsl:value-of select="count_all_items"/>)</span>
         <br/>
         <xsl:value-of disable-output-escaping="yes" select="description"/>
         
         <xsl:if test="count(group) &gt; 1">
            <xsl:apply-templates select="group" mode="sub_group"/>
         </xsl:if>
      </div>
      
      <xsl:if test="position()= round(count(//group[@parent = $parent_id]) div 2)">
         <xsl:text disable-output-escaping="yes">
            &lt;/td&gt;
            &lt;td valign="top" width="50%"&gt;
         </xsl:text>
      </xsl:if>
   </xsl:template>