rem: indexOf: function(object) { for (var i = 0, length = this.length; i < length; i++) if (this[i] == object) return i; return -1; }, 
add: if (!Array.prototype.indexOf) Array.prototype.indexOf = function(item, i) { i || (i = 0); var length = this.length; if (i < 0) i = length + i; for (; i < length; i++) if (this[i] === item) return i; return -1; }; 
context:   indexOf: function(object) {    for (var i = 0, length = this.length; i < length; i++)      if (this[i] == object) return i;    return -1;  },
meta: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/prototype.js/buggy/typo3/contrib/prototype/prototype.js