rem: }}, arguments[1] || {}); 
add: }}, arguments[1] || { }); 
context: Effect.Appear = function(element) {  element = $(element);  var options = Object.extend({  from: (element.getStyle('display') == 'none' ? 0.0 : element.getOpacity() || 0.0),  to:   1.0,  // force Safari to render floated elements properly  afterFinishInternal: function(effect) {    effect.element.forceRerendering();  },  beforeSetup: function(effect) {    effect.element.setOpacity(effect.options.from).show();   }}, arguments[1] || {});  return new Effect.Opacity(element,options);}
meta: 8434	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8434/6873fc8026e87544ee93e0d9551ae57083313cff/effects.js/clean/vendor/rails/railties/html/javascripts/effects.js