rem: var parent = parent.getParent(); 
add: var parent = parent._parent; 
context:     getBaseWindow: function() {        var parent = this;                do {                    var parent = parent.getParent();        } while (parent != null && !(parent instanceof tw_Dialog) && !(parent instanceof tw_Frame));                return parent;    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/d532c0ea03ef1c91856bba5408f049541b39c2ba/Component.js/buggy/src/thinwire/render/web/resources/Component.js