title: jqGrid, setting bg color on column cells when  column header is clicked
body: <p>I am using jgGrid 3.8. I have an issue. I want to color the background of cells, when the column header is clicked. I mean, ascending or descending datas bg colors must be different color of other column's cells. How can I do that? </p>
  
  <p>Thank you very much.</p>