Instance name from variable

1

i want to use a variable(text) to refrence a movieclips instance name

[SIZE=1]function InventoryShow(event:Event):void
{
[/SIZE][COLOR=Navy][SIZE=1]    var SC:URLVariables = new URLVariables(event.target.data);
    for (var s in SC)
    {
        if (s != "<script language" && s != "bat****")
        {
            trace(s +" = "+ SC[s]);
            if (s == "backpack1")
            {[/SIZE]
[/COLOR][COLOR=Navy][SIZE=3][COLOR=DarkRed] //Inventory.backpack1.text = SC[s]; **<--- This works**
 Inventory.s.text = SC[s]; // **<--- This Doesn't works**[/COLOR][/SIZE]
       [SIZE=1]     }
        }
    }[/SIZE]
}[/COLOR]