    package com.bluefire.flexDemo.events
    {
        import com.adobe.cairngorm.control.CairngormEvent;
        import com.bluefire.flexDemo.control.DemoFrontController;

        public class MenuBtnClickEvent extends CairngormEvent
        {
            public var whichButton:String;

            function MenuBtnClickEvent(whichBtn:String)
            {
                whichButton = whichBtn;
                super(DemoFrontController.EVENT_MENU_BTN_CLICK);
            }
        }
    }