The first part allows you to first drag an element into a sortable div, which is working fine. I then want to have that div become sortable as well so I can drag new elements (p
seems you've uncovered a bug in sortable... a potential workaround is to recreate the '.part-holder' sortable whenever it's re-ordered...
$('.part-holder', ui.item).sortable('destroy');
put that right above
... $('.part-holder', ui.item).sortable({ ...
it's a hack, but hey it works... :)