for (var key in this){ if (this.hasOwnProperty(key)) keys.push(key); } 
Hash.each(this, function(value, key){ keys.push(key); }); 
	getKeys: function(){		var keys = [];		for (var key in this){			if (this.hasOwnProperty(key)) keys.push(key);		}		return keys;	},
5733	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5733/7d911a6123ecbc59c2a46974db6ed449d9ad0986/Hash.js/clean/Source/Native/Hash.js