this.options = arguments[1] || {}; 
this.options = arguments[1] || { }; 
  initialize: function(tracks){    this.tracks  = [];    this.options = arguments[1] || {};    this.addTracks(tracks);  },
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/0097375444aef03d8cdcdbe6705c1ea088b9b188/effects.js/clean/wp-includes/js/scriptaculous/effects.js