add: BrowserPageInfo(this.target.ownerDocument); 
context:     viewFrameInfo : function () {      // XXX not implemented    },
meta: 10234	/local1/tlutelli/issta_data/temp/all_js/javascript/2006_temp/2006/10234/a6f550ce32879b801f345814c59293053a120a9e/nsContextMenu.js/buggy/xpfe/communicator/resources/content/nsContextMenu.js