Without sample input XML and output text, it is difficult to figure out what 
you are trying to do, but it looks like you are just trying to do this:
<xsl:for-each select="/root[@Complete='true' and 
@Supplier=$supplier_param]/mynode">
'mycode
</xsl:for each>


dan


"Ghena" <lastminutesud@g...> wrote in message 
news:1161595565.058050.94810@i......
>I need to build a parameter depending on a xsl:param
>
> <xsl:param name="supplier_param" />
>
> <xsl:variable name="test">
> <xsl:choose>
> <xsl:when test="$supplier_param">
> Complete='true' and Supplier='<xsl:value-of select="$supplier_param"
> />'
> </xsl:when>
> <xsl:otherwise>
> Complete='true'
> </xsl:otherwise>
> </xsl:choose>
> </xsl:variable>
>
>
> <--then i pass the string as a parameter -->
>
>
> <xsl:for-each select="/root[$test]/mynode">
> 'mycode
> </xsl:for each>
>
> but the for-each filter is not applyed.
>
> I tryed also with:
>
> <xsl:for-each select="/root[string($test)]/mynode">
> 'mycode
> </xsl:for each>
>
> with the same results.
>