public function setOrder($order = array())
{
$_orders = array();
foreach ($order as $number => $sort) {
$_orders[] .= '[ ' . $number . ', "' . $sort . '" ]';
}
$_build = '[' . implode(', ', $_orders) . ']';
$this->callbacks['aaSorting'] = $_build;
return $this;
}