Repeatable and sortable TinyMCE fields for WP Alchemy class

wpalchemy-tinymce-template.php

<?php while($mb->have_fields_and_multi('GROUP-NAME')): ?>
<?php $mb->the_group_open(); ?>

		<p class="update-warning">Remember, you must save the page for the sort order to take effect.</p>
		
		<?php $metabox->the_field('CONTENT-FIELD'); ?>
		<label for="<?php $metabox->the_name(); ?>">FIELD LABEL</label>
		<div class="customEditor">
			<textarea rows="10" cols="50" name="<?php $mb->the_name(); ?>" id="<?php $mb->the_name(); ?>"><?php $mb->the_value(); ?></textarea>
		</div>

		<a href="#" class="dodelete button">Remove</a>
		
<?php $mb->the_group_close(); ?>
<?php endwhile; ?>

wpalchemy-tinymce.js

/*global tinyMCE */
jQuery(document).ready(function($) {
	/**
	* Meta: TinyMCE
	*/
	function RunTinyMCE() {
		var i = 1;
		$('div.active .customEditor textarea').each(function(e) {
			var id = $(this).attr('id');
			if (!id) {
				id = 'customEditor-' + i++;
				$(this).attr('id', id);
			} //Apply TinyMCE to everyone except the one to copy
			if(!$(this).parents('div.wpa_group').hasClass('tocopy'))
				tinyMCE.execCommand('mceAddControl', false, id);
		});
	}

	RunTinyMCE(); //run onload
	$.wpalchemy.bind('wpa_copy', function(the_clone) { //run when copy is made
		RunTinyMCE();
	});


	/**
	* Meta: Fields Sorting
	*/
	var textareaID;
	$('.wpa_loop').sortable({
		cancel: ':input,button,.customEditor', // exclude TinyMCE area from the sort handle
		axis: 'y',
		opacity: 0.5,
		tolerance: 'pointer',
		change: function() { // show update-required notice when sort is made
			$(this).find('.update-warning').show();
		},
		start: function(event, ui) { // turn TinyMCE off while sorting (if not, it won't work when resorted)
			textareaID = $(ui.item).find('.customEditor textarea').attr('id');
			tinyMCE.execCommand('mceRemoveControl', false, textareaID);
		},
		stop: function(event, ui) { // re-initialize TinyMCE when sort is completed
			tinyMCE.execCommand('mceAddControl', false, textareaID);
		}
	});
});