fbs.unhookTopLevel(); 
    disableDebugger: function()    {        if (!enabledDebugger)            return;        timer.init({observe: function()        {            enabledDebugger = false;            jsd.pause();            fbs.unhookScripts();            fbs.unhookTopLevel();        }}, 1000, TYPE_ONE_SHOT);        waitingForTimer = true;    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/63269d81837b12a4bb23c18badf53bd6f1e85801/firebug-service.js/clean/extension/components/firebug-service.js