Text Field Problem

I am loading text dynamically (that works), but it won’t use the autoSize at all. Below is my code.


target_mc.innerbox.txtFront.htmlText = titleName[g];
            target_mc.innerbox.txtFront.autoSize = "center";
            target_mc.innerbox.textbacking._x = target_mc.innerbox.txtFront._x;
            target_mc.innerbox.textbacking._y = target_mc.innerbox.txtFront._y;
            target_mc.innerbox.textbacking._width = target_mc.innerbox.txtFront.textWidth;
            target_mc.innerbox.textbacking._height = target_mc.innerbox.txtFront.textHeight;


Any ideas?