
					placeholder.setStyle( 'margin-bottom', element.element.getComputedStyle( 'margin-bottom' ) );
					placeholder.setStyle( 'display', element.element.getComputedStyle( 'display' ) );
					placeholder.insertAfter( element.element );

					this.staticContainer.append( element.element );

					this.active.push( element );
				}

				element.isFixed = !element.isFixed;
			},

			shouldBeFixed: function( element ) {
				if ( element.preventFunc && element.preventFunc() ) {
					return false;
	