$rack_id = tep_db_prepare_input($_POST['rack_id']);
$rack_no = tep_db_prepare_input($_POST['rack_no']);
$new_rows = tep_db_prepare_input($_POST['newrows']);
$rack = $class_bins->retrieveRackDetail($rack_id);
$bins_new = $class_bins->extendRack($rack_id, $new_rows);
$result = array();
$result['rack_id'] = $rack_id;
$result['rack_no'] = $rack_no;
$result['ext_status'] = is_array($bins_new) && count($bins_new) > 0 ? '1' : '0';
ajaxReturn($result);
exit;
} elseif ($_POST['me_action'] == 'LOADRACKSCONTAINER') {
$sg_data = '';
$total_racks = 0;
$racks = $class_bins->retrieveRacks($segment_id);
echo utf8_encode($class_bins->drawRackContainer($racks));
exit;
} elseif ($_POST['me_action'] == 'LOADRACKSUMMARY') {
$racks = $class_bins->retrieveRacks($segment_id);
$bins = $class_bins->retrieveBins($segment_id, '', true);
echo utf8_encode($class_bins->drawRackSummary($racks, $bins));
exit;
} elseif ($_POST['me_action'] == 'LOADRACKCONTENT') {
$rack_id = tep_db_prepare_input($_POST['rack_id']);
$rack = $class_bins->retrieveRackDetail($rack_id);
$bins = $class_bins->retrieveBins($rack['segment_id'], $rack_id, true);
echo utf8_encode($class_bins->drawRackContent($rack, $bins));
exit;
} elseif ($_POST['me_action'] == 'CREATERACK') {
$r_data = '';
$rack_flag = tep_db_prepare_input($_POST['rack_flag']);
