How about a small looping MC with the following script:
Set Variable: "x" = x + 1
Set Variable: "/:text" = Substring (/reText, 1, x)
If (x = Length (/reText))
Stop
End If
Where "preText" is a variable that you set at the start of the movie to contain the text that will eventually be displayed in the Text Field. And "text" is the variable that you assigned to the Text Field that will ultimately display the text.
[This message has been edited by scottris (edited 15 March 2000).]