rem: if (object && object.constructor == Hash) return object; 
add: if (object instanceof Hash) return object; 
context: function $H(object) {  if (object && object.constructor == Hash) return object;  return new Hash(object);};
meta: 8886	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8886/c1f8a57fb495053291d684e68f518dd14dfa0a6f/prototype.js/clean/js_test/prototype.js