Go up to the parent variable?

on the main time like I’ve declared variable:

ActionScript Code:
[LEFT]newsTab.[COLOR=#000080]id[/COLOR] = i;

[/LEFT]

…all is well

Then I’ve got a MC on the main timeline called “worldmap”

I tried the following:

ActionScript Code:
[LEFT]parent.[COLOR=#000080]newsTab[/COLOR].[COLOR=#000080]id[/COLOR] = i;

[/LEFT]

But it is undefined

1119: Access of possibly undefined property newsTab through a reference with static type flash.display:DisplayObjectContainer.

why?

Thanks
Ian