hello sir.....i am doing one web application project in which i have one module called user management and into usermanagement two submodules are there user category and user........both having their own add,edit and delete..........i have to give permission(priveledge) that submodule user does not have any permission to do any thing on submodule usercategory.....submodule user can do only his add,edit and delete...if user want to do add,edit or delete usercategory one alert messsage will come as "You are not authorised"..... and same as for usercategory......how can i do it...plz hwlp me...its very urgent.......???????? waiting for your response.............