rem: for (var property in this.object) keys.push(property); 
add: for (var property in this.obj) keys.push(property); 
context: 	keys: function(){		var keys = [];		for (var property in this.object) keys.push(property);		return keys;	},
meta: 8516	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/8516/91c94c57e656870f49ffd11ba4153c75022f94b8/Hash.js/buggy/Plugins/Hash.js