Use an attribute value template
Code:
<option value="{docvalue}">
<xsl:value-of select="title"/>
</option>
or create an attribute
Code:
<option>
<xsl:attribute name="value">
<xsl:value-of select="docvalue"/>
</xsl:attribute>
<xsl:value-of select="title"/>
</option>
--
Martin Honnen
Microsoft MVP - XML