plekit/tablesort/URL

   1 http://www.frequency-decoder.com/2006/09/16/unobtrusive-table-sort-script-revisited
   2 http://www.frequency-decoder.com/2007/10/19/client-side-table-pagination-script
   3 frequency-decoder also has a search widget but it's per-column;
   4 so our own search/pagesize widgets was rewritten by Thierry Parmentelat (INRIA)