Форматирование чисел на XSL

<xsl: decimal-format name="mydec" decimal-separator=" " grouping-separator="." />
.....

<td width="65%"  align="right">Ориентировочная стоимость постройки дома:</td>
<xsl:variable name="qwer55" select="item_propertys/item_property[@xml_name = 'qwer5']/value"/>
<td><strong><xsl:value-of disable-output-escaping="yes" select="format-number('$qwer55', '## ### ##0', 'mydec')"/> руб.</strong></td>

<xsl:decimal-format name="mydec" decimal-separator=" " grouping-separator="." nan="0.00" />

<xsl:decimal-format name="mydec" decimal-separator=',' grouping-separator=' ' />
...
<td width="65%" align="right">Ориентировочная стоимость постройки дома:</td>
<xsl:variable name="qwep" select="item_propertys/item_property[@xml_name = 'qwer5']/value"/>
<td><strong><xsl:value-of select="format-number($qwep, '### ###', 'mydec')"/> руб.</strong></td>

         <td style="text-align: right;">

<!-- Вывод цен в другой валюте -->
<xsl:variable name="price" select="price_discount"/>

<!-- Цена модификации -->
            <xsl:choose>
               <xsl:when test="price_discount != 0">
                  <b><xsl:value-of select="format-number($price, '### ##0,00', 'my')"/>&#xA0;
                     <!-- Валюта товара -->
                     <xsl:value-of disable-output-escaping="yes" select="currency"/></b>
               </xsl:when>
               <xsl:otherwise>договорная</xsl:otherwise>
            </xsl:choose>
         </td>

<xsl:decimal-format name="my" decimal-separator="," grouping-separator=" "/>

<xsl:variable name="price"><xsl:value-of disable-output-escaping="yes" select="format-number(price, '### ##0,00', 'my')"/></xsl:variable>
<xsl:value-of select="substring-before($price, ',')"/>руб. <span><xsl:value-of select="substring-after($price, ',')"/> коп.</span>

<li class="plan-price"><xsl:variable name="price"><xsl:value-of disable-output-escaping="yes" select="format-number(price, '### ##0', 'my')"/></xsl:variable>
                        <span><xsl:value-of select="substring-before($price, ' ')"/></span><span><xsl:value-of select="substring-after($price, ' ')"/></span><p><xsl:value-of select="currency"/></p></li>