jQuery Grid Plugin - jqGrid

Hay JQ Grid exports. Thank you for this excellent component. This makes most of the life easy.

I have started working on one application where I used JQGrid.

Actually I am migtating a desktop application to wen based.

I am sending in a hidden colunm with the style class name and the same name coded in the jsp also.

<style type="text/css">
.newrow { font-weight: bolder; }
.oldrow { font-weight: normal; color: black;  }
.remindernewrow { font-weight: bolder; color: maroon; }
.reminderoldrow { font-weight: normal; color: maroon; }
</style>

in a row model

jQuery("#atrisk").jqGrid(

                  .....

                colModel : [ {

                            .....

                          {
                                name : 'ROWSTYLE',
                                index : 'ROWSTYLE',
                                hidden:true
                            }

                        ..............

                      rowattr: function (rd) {
                               return {"class": rd.ROWSTYLE};
                            },

 But the problem is color to font is chnaging but bold is not applying is there any issue with the code or any workaround?

Thank you in advance

Anand