> Why? If it's to chain multiple transformations, it's not needed. 
> Your browser would permit you to get the result of a transformation in
> the form of a DOM tree (for example) and to pass this tree as the
> source tree of the next transformation.
> 
> You can be intrested by Google AJAXSLT:

I'll see that


> It's a FAQ. Look for "identity transformation" (for example in the
> archive of XSL-List or in the FAQ maintained by Dave Pawson).

I have added the identity transormation code to my file but it didn't work. 
<xsl:template match="node()|@*">

    <>xsl:copy>

      <xsl:apply-templates select="node()|@*"/>

    </xsl:copy>

  </xsl:template>