How to give Dynamic Hyperlinks...

hai..

i want to give dynamic  hyperlinks to a column of data in table,
so that based on the data in the column it must link to the respective  file
in respective folder.

my xmlfile

<myroot>

         <vemf_result_details>
                          <requirement_section>1231</requirement_section>
                      <test_name>MyTest/Run1</test_name>
                         <test_result>pass</test_result>
                 <tester_name>Tom</tester_name>
                 <comments>sucessfull completion  </comments>
               </vemf_result_details>
        <vemf_result_details>
                         <requirement_section>1231</requirement_section>

                         <test_name>PerTest/Run2</test_name>
                         <test_result>pass</test_result>
                 <tester_name>Tom</tester_name>
                
                         <comments>sucessfull completion  </comments>
               </vemf_result_details>
        <vemf_result_details>
                          <requirement_section>1233</requirement_section>

                          <test_name>Test/Run2</test_name>
                         <test_result>pass</test_result>
                 <tester_name>Tom</tester_name>
                 <comments>sucessfull completion  </comments>
            </vemf_result_details>
                
        <vemf_result_details>
                   ----------
                ------
                        ----------------
        </vemf_result_details>
        
              <vemf_result_details>
                ----------
                ------
                        ----------------
         </vemf_result_details>

                ----------
                ------
                        ----------------


</myroot>


  the data in  "<test_name> MyTest/Run1</test_name>"
here    MyTest  represents folder name  and Run1 represents a Run1.XML file
inside that folder. so i want to have a hyperlink to the file. 

how to give a dynamic  hyperlink in the xsl file. 

 <table border="2" width="100%" bordercolorlight="#FFCCFF"
bordercolordark="#81FCF9"
                style="font-size:9pt;font-family:Verdana;color:blue;">      
         
                 <tr>         
                        <th align="center">Requirement Session</th>
                        <th align="center">Test Name</th>
                        <th align="center">Test Result</th>
                        <th align="center"> Tester Name</th>
                        <th align="center">Comments</th>
              </tr>
 <!-- looping through each individual test Result values  each cycle is  one
record generation  in report --> 
                    <xsl:for-each
select="verification_matrix/vemf_result_details">
                <tr>                    
                               <td  align="center"><xsl:value-of
select="requirement_section"/> </td>
                              <td  align="center"> <xsl:variable
name="home">
                              <xsl:value-of
select="concat(test_name,'.xml')"/>
                               </xsl:variable>
                                                 <A
HREF="home"><xsl:value-of select="test_name"/></A>
                                     </td>
                        <td align="center"><xsl:value-of
select="test_result"/></td>
                                     <td align="center"> <xsl:value-of
select="tester_name"/></td>                              
                        <td align="center"> <xsl:value-of
select="comments"/></td>
                </tr>
       </xsl:for-each>  
   </table>


I may be missing one of the fundamentals here 

please help...
Thanks in advance
KrishnaKishore
   

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