public static function load_notes($columns = null, $filter = null, $sortby = null, $sortdir = null, $limit = null, $start = null)
{
global $DB;
$result = $DB->make_select('Notes', $columns, $filter, $sortby, $sortdir, $limit, $start);
$dbo_array = array();
while ($data = $DB->row($result)) {
$dbo = new note();
$dbo->load($data);
$dbo_array[] = $dbo;
}
return $dbo_array;
}