var textline:String = ‘Just play. Have fun.’;
var textlineLength:uint = textline.length;
view_txt.text = textline;
view_txt.addEventListener(Event.ENTER_FRAME, typeWriter);
function typeWriter(evt:Event):void {
        if (textlineLength > -1) {
                textlineLength–;
                evt.currentTarget.text = textline.substring(0, textlineLength);
        } else {
                evt.currentTarget.removeEventListener(Event.ENTER_FRAME, typeWriter);
        }
}