				var shouldBeFixed = this.shouldBeFixed( element );

				// Nothing to be done.
				if ( isFixed === shouldBeFixed ) {
					return;
				}

				var placeholder = element.placeholder;

				if ( isFixed ) {
					// Unfixing.

					element.element.insertBefore( placeholder );
					placeholder.remove();

					element.element.removeStyle( 'margin' );

					this.active.splice( CKEDITOR.tools.indexOf( this.active, element ), 1 );

				} else {
					// Fixing.
					placeholder.setStyle( 'width', element.element.g