if the length (hours-minutes-seconds) and 0 displays the link

this code does not work

code to add
Code: Select all
<xsl:choose>
<xsl:when test="length='0'">
<xsl:text> | </xsl:text>
<a href="http://___.com/">go url</a>
</xsl:when>
</xsl:choose
Code: Select all
<tr>
<td class="record_pane_table_fieldname" nowrap=""><xsl:value-of select="/data/fld/video/length/@name"/></td>
<td class="record_pane_table_fieldvalue">
<xsl:if test="length/@hours>0">
<xsl:value-of select="length/@hours"/><xsl:text> ore </xsl:text>
</xsl:if>
<xsl:value-of select="length/@minutes"/><xsl:text> minuti </xsl:text>
<xsl:if test="length/@seconds>0">
<xsl:value-of select="length/@seconds"/><xsl:text> secondi </xsl:text>
</xsl:if>
</td>
</tr>