} 
  $A = Array.from = function(iterable) {    if (!iterable) return [];    if (!(typeof iterable == 'function' && iterable == '[object NodeList]') &&      iterable.toArray) {      return iterable.toArray();    } else {      var results = [];      for (var i = 0, length = iterable.length; i < length; i++)        results.push(iterable[i]);      return results;    }  }
4053	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/4053/99db091466168b09f46c79ff71f0e07c7fd4a8db/prototype.js/clean/lib/prototype.js