try { 
try { 
    unwatchWindow: function(context, win)    {        try {                    if (!Firebug.disableNetMonitor)                this.detachSpy(context, win);        } catch (ex) {            // Get exceptions here sometimes, so let's just ignore them            // since the window is going away anyhow            ERROR(ex);        }    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/e1d42ad3fad63b72826a4e2ed0726866484c9ac3/spy.js/buggy/extension/content/firebug/spy.js