version="1.0"

                xmlns="http://www.w3.org/TR/xhtml1/transitional"

                exclude-result-prefixes="#default">

 <xsl:template name="version-greater-or-equal">

  <xsl:param name="ver1"></xsl:param>

  <xsl:param name="ver2"></xsl:param>

  <xsl:variable name="vp1">

    <xsl:choose>

      <xsl:when test="contains($ver1, '.')">

        <xsl:value-of select="substring-before($ver1, '.')"/>

      </xsl:when>

      <xsl:otherwise>

        <xsl:value-of select="$ver1"/>

      </xsl:otherwise>

    </xsl:choose>

  </xsl:variable>

  <xsl:variable name="vp2">

    <xsl:choose>

      <xsl:when test="contains($ver2, '.')">

        <xsl:value-of select="substring-before($ver2, '.')"/>

      </xsl:when>

      <xsl:otherwise>

        <xsl:value-of select="$ver2"/>

      </xsl:otherwise>

    </xsl:choose>

  </xsl:variable>

  <xsl:choose>

    <xsl:when test="$vp1 > $vp2">

      1

    </xsl:when>

    <xsl:when test="$vp1 < $vp2">

      0

    </xsl:when>

    <xsl:when test="$vp1 = $vp2">

      <xsl:choose>

        <xsl:when test="contains($ver1, '.') and contains($ver2, '.')">

          <xsl:call-template name="version-greater-or-equal">

            <xsl:with-param name="ver1" select="substring-after($ver1, '.')"/>

            <xsl:with-param name="ver2" select="substring-after($ver2, '.')"/>

          </xsl:call-template>

	</xsl:when>

        <xsl:when test="contains($ver2, '.')">

	   0

	</xsl:when>

	<xsl:otherwise>

	   1

	</xsl:otherwise>

      </xsl:choose>

    </xsl:when>

  </xsl:choose>

</xsl:template>

</xsl:stylesheet>