259   position: null,  property in Effect.Base
330   update: function(position) {  argument
333   finish: function(position) {  argument
369   update: function(position) {  argument
400   update: function(position) {  argument
461   update: function(position) {  argument
467   finish: function(position) {  argument
514   update: function(position) {  argument
543   update: function(position) {  argument
584     position: element.getStyle('position'),  property in Effect.Puff.oldStyle
1002   update: function(position) {  argument