'Source', '-', 'Bold', 'Italic', 'Underline', 'Strike','-','Link', '-', 'MyButton' ] ]
				});

			// Listen for the "pluginsLoaded" event, so we are sure that the
			// "dialog" plugin has been loaded and we are able to do our
			// customizations.
			editor.on( 'pluginsLoaded', function( ev )
				{
					// If our custom dialog has not been registered, do that now.
					if ( !CKEDITOR.dialog.exists( 'myDialog' ) )
					{
						// We need to do the following trick to find out the dialog
						// definition 