add: this._x = x; 
context:     setX: function(x) {        this._box.style.left = x + "px";    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/e9431945aad1bb6c8abb837f7717e01ca24ecd9f/Component.js/buggy/src/thinwire/render/web/resources/Component.js