_("Due Date") => array('name'=>'due_date', 'type'=>'date', 'ord'=>'asc'),
_("Closed") => array('fun'=>'is_closed'),
_("Balance") => array('type'=>'amount', 'insert'=>true, 'fun'=>'sum_dimension'),
_("Due Date") => array('name'=>'due_date', 'type'=>'date', 'ord'=>'asc'),
_("Closed") => array('fun'=>'is_closed'),
_("Balance") => array('type'=>'amount', 'insert'=>true, 'fun'=>'sum_dimension'),