for (var i = 0; i < this.length; i++) 
for (var i = 0, length = this.length; i < length; i++) 
  indexOf: function(object) {    for (var i = 0; i < this.length; i++)      if (this[i] == object) return i;    return -1;  },
6462	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6462/328e05b227c420e11178ba4eb2eb0e10862b193f/prototype.js/buggy/wp-includes/js/scriptaculous/prototype.js