add: if (!("isContainerOpen" in this)) this.isContainerOpen = false; 
context: function tovr_rkids (){    if (!this.childData)        this.childData = new Array();}
meta: 9421	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/9421/e711edc14f9f9f43c8fc7d007226dcc5ca78ab65/outliner-utils.js/buggy/extensions/venkman/resources/content/outliner-utils.js