rem: _fullIndex: function(titem) { 
add: _fullIndex: function(titem) { if (titem == null) return ""; 
context:     _fullIndex: function(titem) {            if (titem === this._rootItem) return "rootItem";                var index = this._getIndex(titem);        var value = index;                while (titem.parentNode !== this._treeTop) {            titem = titem.parentNode.parentNode;            index = this._getIndex(titem);            value = index + "." + value;        }                return value;    },
meta: 5515	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5515/cfa7cacc22cf44240d4fdac2a16ac0b70fe21708/Tree.js/buggy/src/thinwire/render/web/resources/Tree.js