function updateNumUploadFiles()
{
  var num_items = document.getElementById( "num_items" );
  var last = document.getElementById("last_added");

  last.value  = (last.value - 1) + 2;
  num_items.value  = (num_items.value - 1) + 2;
}



function deleteFileRow(row_id)
{
  var uploaded_files = document.getElementById("uploaded_files");
  var item = document.getElementById( row_id );

  rows = uploaded_files.getElementsByTagName("tr");

  try
  {
    for(i=0; i < rows.length; i++)
    {
      if (rows[i].id == row_id)
      {
        uploaded_files.removeChild( rows[i] );
      }
    }
  }
  catch (err)
  {
//    txt="This will be fixed soon\n\n";
//    txt+="Click OK to continue.\n\n";
//    alert(txt);
  }

  var num_items = document.getElementById("num_items");
  num_items.value  = num_items.value - 1;
}