{ &(grid_id);_grouping = selection; jQuery("#&(grid_id);").jqGrid('groupingGroupBy', selection); } jQuery(window).trigger('resize'); } }); function calculate_subtotal(val, name, record) { var sum = parseFloat(val||0) + parseFloat((record[name]||0)); return sum || ''; } </script> <?php $grid->render($data['rows']); ?> <script type="text/javascript"> var grid = $("#&(grid_id);"), date_columns = <?php echo json_encode($date_columns); ?> , date_tooltips = <?php echo json_encode($date_tooltips); ?> , totals = {}, day_total; $.each(date_columns, function(index, name) {