<xsl:for-each select="1 to 12">
<xsl:variable name="p" select="."/>
<xsl:value-of select="if ($cg[(_at_)month=$p]) then
$cg[(_at_)month=$p]/@cost else 0"/>
<xsl:if
test="position()!=last()">,</xsl:if>
</xsl:for-each>
I had no idea you could loop that way with XSL.
You can make it even tighter if you like:
<xsl:value-of
select="for $p in 1 to 12 return ($cg[(_at_)month=$p]/@cost, 0)[1]"
separator=","/>
Michael Kay
http://www.saxonica.com/
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