By default scrolling frames do not reset when inside of MSOs and the state is changed.

To reset them each time, attach the following as a .js file: 

$('.mso > .state').on('newState',function(e){
  if(!e) return;
    $('.scroll-vert').each(function(index,elem) { elem.scrollTop = 0; });
  $('.scroll-horiz').each(function(index,elem) { elem.scrollLeft = 0; });
}) });

If this becomes a highly used customization, I'll make it a default feature of in5.

How to attach resources