	this.watched.push( {
					element: element,
					placeholder: new CKEDITOR.dom.element( 'div' ),
					isFixed: false,
					preventFunc: preventFunc
				} );
			},

			checkAll: function() {
				for ( var i = 0; i < this.watched.length; i++ ) {
					this.check( this.watched[ i ] );
				}
			},

			check: function( element ) {
				var isFixed = element.isFixed;
				var shouldBeFixed = this.shouldBeFixed( element );

				// Nothing to be done.
				if ( isFixed === shouldBeFixed ) {
					re