все,спасибо, сделал:

Код:
trace("Current Bottle = " + this._parent.bottleScroller.bottlesHolder["bottle"+indexOfSelectedProduct]);
trace("Previous Bottle = " + this._parent.bottleScroller.bottlesHolder["bottle"+(indexOfSelectedProduct-1)]);
output:
Current Bottle = _level0.botnavig.mc.bottleScroller.bottlesHolder.bottle1
Previous Bottle = _level0.botnavig.mc.bottleScroller.bottlesHolder.bottle0