How to add icons in native menu with text

Hello Guys

                 Can Anybody guides me how to add icon in nativemenu system tray.Actually i am making a simple application in adobe air and use minimizing the application into system  tray.On Right  click on the icon present in system tray it open naitive menu with open and exit option.

i just want to add an icon with each menuItem.Please guide how can i do it.please give me some example for it.i am using this

                                 http://www.swamicharan.com/blog/air/minimizing-an-air-app-to-systemtray/

link for dock and undock my application.And also tell me how to enhace the width of that naitive menu .please help me out.

Thanks  And Regards

     Vineet Osho.