rem: effect.element.undoPositionend(); 
add: effect.element.undoPositioned(); 
context:         afterFinishInternal: function(effect) {          effect.element.hide();          effect.element.undoClipping();          effect.element.undoPositionend();          effect.element.setStyle({opacity: oldOpacity});        }
meta: 4319	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/4319/77c8e3a0fd32e736575edce503b2e9f891193f9e/effects.js/buggy/actionpack/lib/action_view/helpers/javascripts/effects.js