& XSLT i have used str:replace in my xsl file
this my XSL file

<?xml version="1.0" encoding="UTF-8"?> 
<xsl:stylesheet version="1.0" xmlns:xsl="
http://www.w3.org/1999/XSL/Transform" xmlns:idmef="http://iana.org/idmef"
xmlns:str="http://exslt.org/strings"
                extension-element-prefixes="str"> 
<xsl:import href="replace.xsl" /> 
<xsl:variable name="color"
select="idmef:IDMEF-Message/idmef:Alert/idmef:Analyzer/idmef:Node/idmef:name"/> 
<xsl:variable name="color1" select="'a'" /> 
<xsl:variable name="color2" select="'e'" /> 
<xsl:template match="/" > 
<xsl:call-template name="str:replace"> 
   <xsl:with-param name="string" select="color"/> 
   <xsl:with-param name="search" select="$color1" /> 
   <xsl:with-param name="replace" select="$color2"/> 
</xsl:call-template> 
<xsl:value-of select="color" /> 
</xsl:template> 
</xsl:stylesheet> 


This is my replace.xsl
this file i hv taken from EXSLT


<?xml version="1.0"?> 
<xsl:stylesheet version="1.0"
                xmlns:xsl="http://www.w3.org/1999/XSL/Transform"
                xmlns:str="http://exslt.org/strings"
                xmlns:exsl="http://exslt.org/common"
                extension-element-prefixes="str exsl"> 


<xsl:template name="str:replace"> 
        <xsl:param name="string" select="''" /> 
   <xsl:param name="search" select="/.." /> 
   <xsl:param name="replace" select="/.." /> 
   <xsl:choose> 
      <xsl:when test="not($string)" /> 
      <xsl:when test="not($search)"> 
        <xsl:value-of select="$string" /> 


      </xsl:when> 
      <xsl:when test="function-available('exsl:node-set')"> 
         <!-- this converts the search and replace arguments to node sets
              if they are one of the other XPath types --> 
         <xsl:variable name="search-nodes-rtf"> 
           <xsl:copy-of select="$search" /> 
         </xsl:variable> 
  <xsl:variable name="replace-nodes-rtf"> 
           <xsl:copy-of select="$replace" /> 
         </xsl:variable> 


         <xsl:variable name="replacements-rtf"> 
            <xsl:for-each select="exsl:node-set($search-nodes-rtf)/node()"> 
               <xsl:variable name="pos" select="position()" /> 
               <replace search="{.}"> 
                  <xsl:copy-of
select="exsl:node-set($replace-nodes-rtf)/node()[$pos]" /> 
               </replace> 
            </xsl:for-each> 
         </xsl:variable> 
         <xsl:variable name="sorted-replacements-rtf"> 


            <xsl:for-each select="exsl:node-set($replacements-rtf)/replace"> 
               <xsl:sort select="string-length(@search)" data-type="number"
order="descending" />                <xsl:copy-of select="." />
            </xsl:for-each> 
         </xsl:variable> 
         <xsl:call-template name="str:_replace"> 
            <xsl:with-param name="string" select="$string" /> 
            <xsl:with-param name="replacements"
select="exsl:node-set($sorted-replacements-rtf)/replace" /> 
 </xsl:call-template> 


      </xsl:when> 
      <xsl:otherwise> 
         <xsl:message terminate="yes"> 
            ERROR: template implementation of str:replace relies on
exsl:node-set().
         </xsl:message> 
      </xsl:otherwise> 
   </xsl:choose> 
</xsl:template> 


<xsl:template name="str:_replace"> 
  <xsl:param name="string" select="''" /> 


  <xsl:param name="replacements" select="/.." /> 
  <xsl:choose> 
    <xsl:when test="not($string)" /> 
    <xsl:when test="not($replacements)"> 
      <xsl:value-of select="$string" /> 
    </xsl:when> 
    <xsl:otherwise> 
      <xsl:variable name="replacement" select="$replacements[1]" /> 
      <xsl:variable name="search" select="$replacement/@search" /> 


      <xsl:choose> 
  <xsl:when test="not(string($search))"> 
          <xsl:value-of select="substring($string, 1, 1)" /> 
          <xsl:copy-of select="$replacement/node()" /> 
          <xsl:call-template name="str:_replace"> 
            <xsl:with-param name="string" select="substring($string, 2)" /> 
            <xsl:with-param name="replacements" select="$replacements" /> 
          </xsl:call-template> 
        </xsl:when> 


        <xsl:when test="contains($string, $search)"> 
          <xsl:call-template name="str:_replace"> 
            <xsl:with-param name="string" select="substring-before($string,
$search)" /> 
            <xsl:with-param name="replacements"
select="$replacements[position() >  1]" />
          </xsl:call-template> 
          <xsl:copy-of select="$replacement/node()" /> 
          <xsl:call-template name="str:_replace"> 
            <xsl:with-param name="string" select="substring-after($string,
$search)" /> 
            <xsl:with-param name="replacements" select="$replacements" /> 


          </xsl:call-template> 
        </xsl:when> 
        <xsl:otherwise> 
 <xsl:call-template name="str:_replace"> 
            <xsl:with-param name="string" select="$string" /> 
            <xsl:with-param name="replacements"
select="$replacements[position() >  1]" />
          </xsl:call-template> 
        </xsl:otherwise> 
      </xsl:choose> 


    </xsl:otherwise> 
  </xsl:choose> 
</xsl:template> 


</xsl:stylesheet> 



This my XML File


<?xml version="1.0" encoding="UTF-8"?> 
<?xml-stylesheet type="text/xsl" href="cd-price.xsl"?> 
<idmef:IDMEF-Message  version="1.0" xmlns:idmef="http://iana.org/idmef"> 
<idmef:Alert messageid="abc123456789"> 
<idmef:Analyzer analyzerid="bcfs"> 
<idmef:Node category="dns"> 
<idmef:name> bhushan</idmef:name>
</idmef:Node> 
</idmef:Analyzer> 
</idmef:Alert> 
</idmef:IDMEF-Message> 


when i run conversion code i am not getting converted
string it shows on following

<?xml version="1.0"?> 

Plz tell wat mistake that i have made in above XSL file ..

- bhushan. E . Sonawane