return (this.has(key)) ? this[key] : null; 
return (this.hasOwnProperty(key)) ? this[key] : null; 
	get: function(key){		return (this.has(key)) ? this[key] : null;	},
6991	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/6991/7f57639a9463cd4e2577f39af7503ce7d0e73459/Hash.js/clean/Source/Native/Hash.js