rem: var ox = x + this.getParent().getX(); 
add: var ox = x + this._parent._x; 
context:     setX: function(x) {        if (this._parent instanceof tw_GridBox) {            var ox = x + this.getParent().getX();            arguments.callee.$.call(this, ox);            this._x = x;        } else {            arguments.callee.$.call(this, x);        }    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/GridBox.js/buggy/src/thinwire/render/web/resources/GridBox.js