rem: return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) }); 
add: this.tracks.map(function(track){ var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options'); var elements = [$(ids) || $$(ids)].flatten(); return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) }); }).flatten(), 
context:         return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });
meta: 8434	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8434/6873fc8026e87544ee93e0d9551ae57083313cff/effects.js/clean/vendor/rails/actionpack/lib/action_view/helpers/javascripts/effects.js