//Here i'm setting the buttons that move between frames.
//When i add iTextBoxes.gotoAndStop(activeFrame); it errors.
//I want the textbox movieclip frames to switch sync to the main frames.

function controlNext(event:MouseEvent):void
 {
    if (activeFrame <= numFrames)
    {
        iControler.iPlayPause.gotoAndStop(1);
        activeFrame ++;
        gotoAndStop(activeFrame);
        iTextBoxes.gotoAndStop(activeFrame);
        isPaused = false;
        playAll();
    }
}

function controlBack(event:MouseEvent):void
{
    if (activeFrame >= 2)
    {
        iControler.iPlayPause.gotoAndStop(1);
        activeFrame --;
        gotoAndStop(activeFrame);
        iTextBoxes.gotoAndStop(activeFrame);
        isPaused = false;
        playAll();
    }
}

//This is the code i have on frame 1 of the iTextBoxes movieclip

stop();
var currentLetter:Number = 0;
var writingInterval:Number;

function setText(currentMessage:String, textBox:TextField):void
{
    writingInterval = setInterval(autoWrite, 100);
}

function autoWrite():void
{
    if (currentLetter <= currentMessage.length)
    {
        textBox.text = currentMessage.substr(0, currentLetter) + "█";
        currentLetter ++;
    }
    else
    {
        clearInterval(writingInterval);
        gotoAndStop(nextFrame);
    }
}