rem: ids:     $H(track).keys().first(), 
add: ids:     track.keys().first(), 
context:   addTracks: function(tracks){    tracks.each(function(track){      var data = $H(track).values().first();      this.tracks.push($H({        ids:     $H(track).keys().first(),        effect:  Effect.Morph,        options: { style: data }      }));    }.bind(this));    return this;  },
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