Tweening text field after loaded !

Hi guys,
I have a crucial doubt regarding using Tween class in actionscript to tween a text filed, as well created by actionscript.
The problem is: I need to load my text field first through Load Vars and after that I wished to tween it, making it fade in !
Does anybody know something about that, because I already tried to script my tween function inside my onData of loadVars, but did not work !

Guys, Help me !

You can put the textField into a mc
and at the frame of the main timeline use LoadVars.loaded method
also you put your tween function on the frame of the main timekine
in your LoadVars.loaded method where you use your tween function to tween you mc