add: BrowserPageInfo(this.target.ownerDocument); 
context:     viewFrameInfo : function () {      // XXX not implemented    },
meta: 5872	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/5872/57bec1e171d05773348df6d3e88fbf2716ecf9d6/nsContextMenu.js/buggy/suite/common/nsContextMenu.js