docs: function( label, value, index ) {
  				var option = new CKEDITOR.dom.element( 'option', this.getDialog().getParentEditor().document ),
  					selectElement = this.getInputElement().$;
  				option.$.text = label;
  				option.$.value = ( value === undefined || value === null ) ? label : value;
  				if ( index === undefined || index === null ) {
  					if ( CKEDITOR.env.ie )
  						selectElement.add( option.$ );
  					else
  						selectElement.add( option.$, null );
  				} else
  					selectElement.add( option.$, index );
  				return this;
  			}