radiobuttonlist change event with javascript

I have 2 RadioButtonList
rdBtnPersonel_Status and rdBtnPersonel_FoodStatus
 
i wrote :

<asp:RadioButtonListrunat="server"ID="rdBtnPersonel_Status"RepeatDirection="Horizontal"Width="100%"DataSourceID="ObjDsPersonelStatuses"onclick="javascript:radioButtonListOnClick('<%#((RadiobuttonList)Container.FindControl("rdBtnPersonel_Status")).ClientID%>');">

 

i want when i click rdBtnPersonel_Status , if the valu eual A the rdBtnPersonel_FoodStatus be disabled. (with javascript)
 
can any body help me?