 property in their definition.
			This setting's advantage is that you don't have to modify toolbar configuration
			when adding/removing plugins which register their own buttons.
		</p>

		<p>To add a CKEditor instance with custom toolbar groups setting, insert the following JavaScript call to your code:</p>

		<pre class="samples">
CKEDITOR.replace( <em>'textarea_id'</em>, {
	<strong>toolbarGroups:</strong> [
		{ name: 'document',	   groups: [ 'mode', 'document' ] },			// Displays document group