$(document).ready(function() {
  // call the tablesorter plugin
  $("table").tablesorter({
    // sort on the first column and third column, order asc
    sortList: [[0,0],[2,0]]
  });
});

$(document).ready(function() {
  $("table").tablesorter({
    // pass the headers argument and assing a object
    headers: {
      // assign the secound column (we start counting zero)
      1: {
        // disable it by setting the property sorter to false
        sorter: false
      },
        // assign the third column (we start counting zero)
      2: {
        // disable it by setting the property sorter to false
        sorter: false
      }
    }
  });
});

$(document).ready(function() {
  $("table").tablesorter();
  $("#trigger-link").click(function() {
    // set sorting column and direction, this will sort on the first and third column the column index starts at zero
    var sorting = [[0,0],[2,0]];
    // sort on the first column
    $("table").trigger("sorton",[sorting]);
    // return false to stop default link action
    return false;
  });
});

$(document).ready(function() {
  // call the tablesorter plugin
  $("table").tablesorter({
    // set forced sort on the fourth column and i decending order.
    sortForce: [[0,0]]
  });
});

$(document).ready(function() {
  // call the tablesorter plugin
  $("table").tablesorter({
    // change the multi sort key from the default shift to alt button
    sortMultiSortKey: 'altKey'
  });
});

$(document).ready(function() {
  // call the tablesorter plugin
  $("table").tablesorter();
});