XSLT - help

Hello,

     I am trying to write XSLT code. But I struck in coding. Please
can any help me.

My Souce XML:
<?xml version="1.0" encoding="UTF-8"?>
<dataroot xmlns:od="urn:schemas-microsoft-com:officedata"
generated="2005-10-20T18:45:32">
      <TT_Reference_Tree>
              <childidx>1</childidx>
              <imageidx>6</imageidx>
              <levelidx>l_0000000001</levelidx>
              <parentidx>root</parentidx>
              <treedata>OPERATION &amp; MAINTENANCE EXCHANGE</treedata>
              <itemtype>1</itemtype>
              <shortname/>
      </TT_Reference_Tree>
      <TT_Reference_Tree>
              <childidx>1</childidx>
              <imageidx>6</imageidx>
              <levelidx>l_0000000002</levelidx>
              <parentidx>l_0000000001</parentidx>
              <treedata>OPERATION/ADMINISTRATION FUNCTIONS EXCH.</treedata>
              <itemtype>1</itemtype>
              <shortname/>
      </TT_Reference_Tree>
      <TT_Reference_Tree>
              <childidx>1</childidx>
              <imageidx>6</imageidx>
              <levelidx>l_0000000003</levelidx>
              <parentidx>l_0000000002</parentidx>
              <treedata>CONNECTION ADMINISTRATION</treedata>
              <itemtype>1</itemtype>
              <shortname/>
      </TT_Reference_Tree>
      <TT_Reference_Tree>
              <childidx>1</childidx>
              <imageidx>6</imageidx>
              <levelidx>l_0000000004</levelidx>
              <parentidx>l_0000000003</parentidx>
              <treedata>CENTRALIZED BACKUP AND RESTORE MAINT.</treedata>
              <itemtype>1</itemtype>
              <shortname/>
      </TT_Reference_Tree>
      <TT_Reference_Tree>
              <childidx>-1</childidx>
              <imageidx>2</imageidx>
              <levelidx>l_0000000005</levelidx>
              <parentidx>l_0000000004</parentidx>
              <treedata>Save CBR APS on MP</treedata>
              <itemtype>0</itemtype>
              <shortname>SAVECBRAPSMP</shortname>
      </TT_Reference_Tree>
      <TT_Reference_Tree>
              <childidx>-1</childidx>
              <imageidx>2</imageidx>
              <levelidx>l_0000000006</levelidx>
              <parentidx>l_0000000004</parentidx>
              <treedata>Execute CBR Begin</treedata>
              <itemtype>0</itemtype>
              <shortname>EXECCBRBEG</shortname>
      </TT_Reference_Tree>
      <TT_Reference_Tree>
              <childidx>-1</childidx>
              <imageidx>2</imageidx>
              <levelidx>l_0000000007</levelidx>
              <parentidx>l_0000000004</parentidx>
              <treedata>Execute CBR End</treedata>
              <itemtype>0</itemtype>
              <shortname>EXECCBRE</shortname>
      </TT_Reference_Tree>
</dataroot>

My Desctination XML:

<?xml version="1.0" encoding="UTF-16"?>
<Tasktree xmlns:fo="http://www.w3.org/1999/XSL/Format">
<Folder name="OPERATION &amp; MAINTENANCE EXCHANGE">
      <Folder name="OPERATION/ADMINISTRATION FUNCTIONS EXCH">
              <Folder name="CONNECTION ADMINISTRATION">
                      <Folder name="CENTRALIZED BACKUP AND RESTORE MAINT">
                              <Task>SAVECBRAPSMP</Task>
                              <Task>EXECCBRBEG</Task>
                              <Task>EXECCBRE</Task>
                      </Folder>
              </Folder>
      </Folder>
</Folder>
</Tasktree>


  If childidx is 1, then it is folder, otherwise it is task.
Thanks and Regards,
Chandu