         throw new ArguementTypeError('frame');
            
            if (frame == -1 || frame == 0 || frame > target.totalFrames)
                return false;
            
            target.addFrameScript(frame - 1, notify);
            
            return true;
        }
        
        /**
            Removes a frame from triggering/calling a function when reached.
            
            @param target: The MovieClip that contains the <code>frame</code>.
            @param frame: The frame to remo