what is the format so I can put a hidden variable in a XSL sheet?

<?xml version="1.0" encoding="UTF-8"?><!-- DWXMLSource="https://www.eway.com.au/gateway/xmltest/testpage.asp" -->
<xsl:stylesheet version="1.0" xmlns:xsl="http://www.w3.org/1999/XSL/Transform">
  <xsl:output method="html" encoding="UTF-8"/>
  <xsl:template match="ewayResponse"><style type="text/css">
<xsl:comment>
#ewayCCresults {
	text-align: center;
}
</xsl:comment>
  </style>
  
 
   <form action="http://127.0.0.1:1533/import" method="post" id="ewayCCresults">
      <input type="hidden" name="importmap" value="ewayCCresults">
     <table width="898" border="0" align="center" cellpadding="0">
       <tr>
        <td width="224">Transaction Status:</td>
         <td width="660">
           <xsl:if test="ewayTrxnStatus=&apos;True&apos;">
             <label>
                 <input name="txtewayTrxnStatus" class="texboxresultspos" type="text" id="txtewayTrxnStatus" value="Approved" />
               </label>
           </xsl:if>
           <xsl:if test="ewayTrxnStatus=&apos;False&apos;">
             <label>
                 <input name="txtewayTrxnStatus" type="text" class="texboxresultsneg" id="txtewayTrxnStatus" value="Declined" />
               </label>
           </xsl:if></td>
         </tr>
      <tr>
        <td>Transaction Number:</td>
        <td><input type="text" class="texboxresults" size="50" readonly="readonly" id="box"><xsl:attribute name="value"><xsl:value-of select="ewayTrxnNumber"/></xsl:attribute></input></td>
      </tr>
      <tr>
        <td>Transaction Reference:</td>
        <td><input type="text" class="texboxresults" size="50" readonly="readonly" id="box"><xsl:attribute name="value"><xsl:value-of select="ewayTrxnReference"/></xsl:attribute></input></td>
      </tr>
      <tr>
        <td>Authorisation Code:</td>
        <td><input type="text" class="texboxresults" size="50" readonly="readonly" id="box"><xsl:attribute name="value"><xsl:value-of select="ewayAuthCode"/></xsl:attribute></input></td>
      </tr>
      <tr>
        <td>Money Paid (in cents):</td>
        <td><input type="text" class="texboxresults" size="50" readonly="readonly" id="box"><xsl:attribute name="value"><xsl:value-of select="ewayReturnAmount"/></xsl:attribute></input></td>
      </tr>
      <tr>
        <td>Transaction Error/Details:</td>
        <td><input type="text" size="110" class="texboxresults" readonly="readonly" id="box"><xsl:attribute name="value"><xsl:value-of select="ewayTrxnError"/></xsl:attribute></input></td>
      </tr>
      <tr>
        <td>Customer Invoice Reference:</td>
        <td><input type="text" size="110" class="texboxresults" readonly="readonly" id="box"><xsl:attribute name="value"><xsl:value-of select="ewayTrxnOption1"/></xsl:attribute></input></td>
      </tr>
    </table>
     <label>
        <input type="submit" name="submit" id="submit" value="Submit to Collect" />
      </label>
 
   </form>
      
    
     
   
	
  </xsl:template>
</xsl:stylesheet>

                                  

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