function download(root,fid)
{
  var frm = document.getElementById('download')
  var fileid = document.getElementById('fileid');
  if (!frm)
  {
    frm = document.createElement('form');
    frm.style.display = 'none';
    fileid = document.createElement('input');
    fileid.id = 'fileid';
    fileid.name = 'fileid';
    frm.appendChild(fileid);
    document.body.appendChild(frm);
  }
  fileid.value = fid;
  frm.method = 'post';
  frm.action = root + 'download/fileDownloadCheck.asp'
  frm.submit();
}