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: 9100	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/9100/2d4247a14ff4ce25ad80cbc65b787dfde7ddb16e/prototype.js/buggy/typo3/contrib/prototype/prototype.js