var elements = [$(track.ids) || $$(track.ids)].flatten(); return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) }); 
var ids = track.get('ids'), effect = track.get('effect'), options = track.get('options'); var elements = [$(ids) || $$(ids)].flatten(); return elements.map(function(e){ return new effect(e, Object.extend({ sync:true }, options)) }); 
  play: function(){    return new Effect.Parallel(      this.tracks.map(function(track){        var elements = [$(track.ids) || $$(track.ids)].flatten();        return elements.map(function(e){ return new track.effect(e, Object.extend({ sync:true }, track.options)) });      }).flatten(),      this.options    );  }
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/0c67d2a1c175fa312f232b827bd1c26b95eac0e1/effects.js/buggy/wp-includes/js/scriptaculous/effects.js