// Update profile sidebar order
$('.psort-list').sortable({
    items: '.list_item',
    opacity: 0.6,
    cursor: 'move',
    axis: 'y',
    update: function() {
        var order = $(this).sortable('serialize') + '&action=psort_update_order';
        $.post(ajaxurl, order, function(response) {
            // possibly add a notification
        });
    }

});