function test_q_a(the_id, id_type) {
 var q = document.getElementById('q_' + the_id + '_' + id_type);
 var a = document.getElementById('a_' + the_id + '_' + id_type);
 var e = document.getElementById('e_' + the_id + '_' + id_type);
 if (isBlank(q.value) || ! int_in_range(q, 1, 999)) {alert('Error in Quantity'); return false}
 if (isBlank(a.alue) || ! isNumeric(a.value)) {alert('Error in Price'); return false}
 return true
}