Vertical Text Alignment for Dynamic Text Field Flash Action script 2

This is a simple Hack for flash Dynamic Text Field  With AS2 Where  Vertical Text Align is not supported.
Instated of setting Text Vertically  align we can position Text Field vertically Center by Y axis Position  .

Steps : Add Follwing code in on layer action

//To get Empty text field height 
blank_height  = TextField_instance._height;


//Setting Text to text field 
TextField_instance.text = "This text is vertically align";

//Adding autosize to text field  
TextField_instance.autoSize = "center";


//for Vertical Alignment
TextField_instance._y = TextField_instance._y + (blank_height  -TextField_instance._height) / 2;

Thanks,
Cheers....  :)