this.options = arguments[1] || {}; 
this.options = arguments[1] || { }; 
  initialize: function(tracks){    this.tracks  = [];    this.options = arguments[1] || {};    this.addTracks(tracks);  },
4999	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4999/0c67d2a1c175fa312f232b827bd1c26b95eac0e1/effects.js/buggy/wp-includes/js/scriptaculous/effects.js