iterator(value, index++); 
try { iterator(value, index++); } catch (e) { if (e != $continue) throw e; } 
  each: function(iterator) {    var index = 0;    try {      this._each(function(value) {        iterator(value, index++);      });    } catch (e) {      if (e != $break) throw e;    }    return this;  },
4053	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4053/99db091466168b09f46c79ff71f0e07c7fd4a8db/prototype.js/clean/lib/prototype.js