function fl_ClickToHide(event: MouseEvent): void {
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.IntelligenceW.visible = false;
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.AgilityW.visible = false;
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.StrengthW.visible = true;
}

button_7.addEventListener(MouseEvent.CLICK, fl_ClickToHide_2);

function fl_ClickToHide_2(event: MouseEvent): void {
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.StrengthW.visible = false;
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.IntelligenceW.visible = false;
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.AgilityW.visible = true;
}

button_8.addEventListener(MouseEvent.CLICK, fl_ClickToHide_3);

function fl_ClickToHide_3(event: MouseEvent): void {
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.StrengthW.visible = false;
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.AgilityW.visible = false;
    Idle_mc.Idle_hw_mc.CrystalW_mc.Attribute_mc.IntelligenceW.visible = true;
}

package
{
    import flash.events.Event;
    import flash.events.EventDispatcher;

    public class AppData
    {
        static public const D:Object = new Object;
        static public const E:Event = new Event(Event.CHANGE);
        static public const I:EventDispatcher = new EventDispatcher;

        static public function has(key:String):Boolean
        {
            return D.hasOwnProperty(key);
        }

        static public function read(key:String):*
        {
            return D[key];
        }

        static public function write(key:String, value:*):void
        {
            if (value === null)
            {
                delete D[key];
            }
            else
            {
                D[key] = value;
            }

            I.dispatchEvent(E);
        }
    }
}

import AppData;
import flash.events.Event;

// The last argument is important, because timeline objects are
// auto-removed if their parent's timeline instructs so, thus
// you won't be able to locate them and unsubscribe, which,
// in turn, means they will hang in the memory forever.
// Still, if you subscribe them with useWeakReference
// set to true, they will be removed normally
// and unsubscribed automatically.
AppData.I.addEventListener(Event.CHANGE, onChange, false, 0, true);

// Call once in order to forcibly sync the object with the data.
onChange(null);

function onChange(e:Event):void
{
    if (AppData.has("red.alpha"))
    {
        alpha = AppData.read("red.alpha");
    }
    else
    {
        alpha = 1;
    }
}

import AppData;

AppData.write("red.alpha", 0.3);