|-------------------|
   |  NAME  |   GENDER |
   |        |    AGE   |
   |-------------------|
   |  Anne  |    F     |
   |        |    14    |
   |-------------------|
   |  Gina  |    F     |
   |        |    13    |
   |-------------------|
   |  Mike  |    M     |
   |        |    12    |
   |-------------------|

|-------------------|
   |  NAME  |   GENDER |
   |        |    AGE   |
   |-------------------|
   |  Mike  |    M     |
   |        |    12    |
   |-------------------|
   |  Gina  |    F     |
   |        |    13    |
   |-------------------|
   |  Anne  |    F     |
   |        |    14    |
   |-------------------|

table.tablesorter thead tr th, table.tablesorter tfoot tr th {
           background-color: #e6EEEE;
           border: 1px solid #FFF;
           font-size: 8pt;
           padding: 4px;
    }
    table.tablesorter thead tr .header {
        background-image: url(bg.gif);
        background-repeat: no-repeat;
            background-position: center right;
        cursor: pointer;
    }