add: } 
context: function tovr_open (){    if (this.isContainerOpen)        return;    if ("onPreOpen" in this)        this.onPreOpen();        this.isContainerOpen = true;    var delta = 0;    for (var i = 0; i < this.childData.length; ++i)    {        if (!this.childData[i].isHidden)            delta += this.childData[i].visualFootprint;    }    this.resort(true);    this.visualFootprint += delta;    if ("parentRecord" in this)        this.parentRecord.onVisualFootprintChanged(this.calculateVisualRow() + 1,                                                   delta);}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/89326cbcdc6feb4eef3ffc00bb488c9640e8dd81/tree-utils.js/buggy/extensions/venkman/resources/content/tree-utils.js