To simulate SORT inside a xsl:choose condition

Hi all ,

I know that the rule to sort  should be immediately after <xsl:for-each >
I am in  a situation where i have to read the  criteria to sort  from some some node in the beginning of  XML 
and based on which i need to make a decision to sortBY corresponding node somewhere down the line....


But  as you know  the following way doesnt work ...

<xsl:for-each select="somenode">
    <xsl:choose>
       <xsl;when test="$prevnode = 'criteriavalue' ">
             <xsl:sort  order="ascending"  select="node_to_be_sorted"/>
      </xsl:when>
    </xsl:choose>

</xsl:for-each>

Note: dont worry about syntax check on this ...

Is there a way to sneak around and get this Sorting to work based on some criteria ...Or any other work arounds, suggestions?

thanx in advance 
- kumar  



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