fbs.registerTopLevelScript(script, url, "enumerated"); 
fbs.registerTopLevelScript(script, url, "enumerated"); 
    hookScripts: function()    {		if (fbs.DBG_STEP) ddd("set scriptHook\n");                                                                     /*@explore*/        jsd.scriptHook = {            onScriptCreated: hook(this.onScriptCreated),            onScriptDestroyed: hook(this.onScriptDestroyed)        };        this.scriptInfoArrayByURL = {};          jsd.enumerateScripts({enumerateScript: function(script)        {			var url = script.fileName;			if ( !isSystemURL(url) )				fbs.registerTopLevelScript(script, url, "enumerated");          }});    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/be05bb1b5ce9dc07f6f4f994ca42945edd646c04/firebug-service.js/buggy/extension/components/firebug-service.js