rem: if (!(key in this.object)) this.length++; this.object[key] = value; 
add: if (!(key in this.obj)) this.length++; this.obj[key] = value; 
context: 	set: function(key, value){		if (!(key in this.object)) this.length++;		this.object[key] = value;		return this;	},
meta: 7826	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/7826/91c94c57e656870f49ffd11ba4153c75022f94b8/Hash.js/buggy/Plugins/Hash.js