void main()
{
    object oBox = OBJECT_SELF;
    object oItem = GetFirstItemInInventory();
    object oKey;
    string sItem;
    string sOwner = GetLocalString(oBox, "OWNER");
    string sResRef;
    int iNumKey = GetLocalInt(oBox, "OWNER_KEY");
    int iStackSize;
    int n;



    if(sOwner != "")
    {
        SetLocalInt(oBox, "JUST_OPEN", 1);

        if(!GetIsObjectValid(oItem))
        {
            if(!GetCampaignInt("PW_"+sOwner+"_CASSA", "HAS_KEY") && iNumKey > 0)
            {
                oKey = CreateObject(OBJECT_TYPE_ITEM, "pw_chest_key", GetLocation(oBox), FALSE, sOwner+"_key");

                for (iNumKey ; iNumKey >0 ; iNumKey--)
                    CopyItem(oKey, oBox);

                DestroyObject(oKey);
                SetCampaignInt("PW_"+sOwner+"_CASSA", "HAS_KEY", 1);
            }

            for(n = GetCampaignInt("PW_"+sOwner+"_CASSA", "ITEM_NUM"); n>0; n--)
                RetrieveCampaignObject("PW_"+sOwner+"_CASSA", "ITEM"+IntToString(n), GetLocation(oBox), oBox);
        }
    }
}