 'string' }
      ];
      var columns = [
        { text: 'Currency', datafield: 'currency', width: 'auto',
          align: 'center', cellsalign: 'center',
          cellsrenderer: defaultLinkFormatter },
{#        { text: 'Usage Type', datafield: 'usage_type', width: 'auto',#}
{#          align: 'center', cellsalign: 'center' },#}
        { text: 'Count', datafield: 'count', width: 'auto',
          align: 'center', cellsalign: 'center' }
      ];
      draw_grid(".jqxgrid", datafields, columns, true);
 