onClipEvent (load)
{
    oldY = 1;
    Y = 1;
    vY = 0;
    newY = 0;
    contentHeight = _parent.scrolledMC._height;
    scrollSpeed = _parent.speed_content;
    scrollStep = _parent.step_content;
    viewHeight = _parent.line._height;
    buttonSize = _parent.dragMC._height;
    buttonY = buttonMC._y;
    scrollHeight = _parent.scrolledMC._height;
    scrollContent = _parent.scrolledMC._y;
    newY = _parent.scrolledMC._height;
    var mouseListener = new Object();
    mouseListener.onMouseWheel = function (delta)
    {
        if (buttonMC._y >= 0 && buttonMC._y <= scrollHeight - buttonSize + 1)
        {
            buttonMC._y = buttonMC._y - delta * _parent.mouse_speed;
        } // end if
    };
    Mouse.addListener(mouseListener);
    hiScroll = _parent.line._height - _parent.dragMC._height;
    step = (scrollHeight - buttonSize - hiScroll) / hiScroll;
    y = _parent.scrolledMC._y;
    scrollContent = _parent.scrolledMC;
    viewWidth = scrollContent._width;
    mask = scrollContent._parent.createEmptyMovieClip
   ("mask", scrollContent._parent.getNextHighestDepth());
    with (mask)
    {
        beginFill(255, 50);
        lineStyle(0, 16711935, 100);
        moveTo(scrollContent._x + 350, scrollContent._y );
        lineTo(scrollContent._x - viewWidth, scrollContent._y );
        lineTo(scrollContent._x - viewWidth, scrollContent._y + viewHeight + 5);
        lineTo(scrollContent._x + 350, scrollContent._y + viewHeight + 5);
        endFill();
    } // End of with
    scrollContent.setMask(mask);
}
onClipEvent (enterFrame)
{
    if (_parent.drag_but)
    {
        if (buttonMC._y >= 0)
        {
            buttonMC._y = buttonMC._y - scrollStep;
        } // end if
    } // end if
    if (_parent.down_but)
    {
        if (buttonMC._y <= scrollHeight + buttonSize)
        {
            buttonMC._y = buttonMC._y + scrollStep;
        } // end if
    } // end if
    if (buttonMC._y <= 0)
    {
        buttonMC._y = 0;
    } // end if
    if (buttonMC._y >= viewHeight - buttonSize)
    {
        buttonMC._y = viewHeight - buttonSize;
    } // end if
    level = buttonMC._y - buttonY;
    lev = int(y - level * step);
    newY = oldY + (lev - oldY) / scrollSpeed;
    _parent.scrolledMC._y = newY;
    oldY = newY;
}