rem: new Effect.Opacity(element,options); 
add: return new Effect.Opacity(element,options); 
context: Effect.Fade = function(element) {  options = Object.extend({  from: 1.0,  to:   0.0,  afterFinish: function(effect)     { Element.hide(effect.element);      effect.setOpacity(1); }   }, arguments[1] || {});  new Effect.Opacity(element,options);}
meta: 3158	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/3158/3f913f897829fb026ef98df2d57f8da94ee5339d/effects.js/buggy/public/javascripts/effects.js