delete this.nestedScriptStack[scriptTag]; delete this.eventLevelScriptTag[scriptTag]; 
    onScriptDestroyed: function(script)    {        if(!fbs) return;        var scriptTag = script.tag;        if (scriptTag in this.scriptInfoByTag)        {            var scriptInfo = this.scriptInfoByTag[scriptTag];            var url = scriptInfo.url;            if (url in this.scriptInfoArrayByURL)            {                if (fbs.DBG_CREATION) ddd("onScriptDestroyed tag:"+scriptTag+" url:"+url+"\n");                        				/*@explore*/                remove(this.scriptInfoArrayByURL[url], scriptInfo);            }            else                if (fbs.DBG_CREATION) ddd("onScriptDestroyed tag:"+scriptTag+" no scriptInfo; fileName:"+script.fileName+"\n");      /*@explore*/            delete this.scriptInfoByTag[scriptTag];        }        delete this.nestedScriptStack[scriptTag];        delete this.eventLevelScriptTag[scriptTag];        dispatch(scriptListeners,"onScriptDestroyed",[script]);    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/c5f013dccda5f25ec6c3894c73898353bae36759/firebug-service.js/clean/extension/components/firebug-service.js