    onHalt: function(frame)    {        var callback = this.haltCallback;        delete this.haltCallback;                if (callback)            callback(frame);                return RETURN_CONTINUE;    },
2454	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2454/8237a6359bebacf3e34f1134ef713c687c8e3edb/debugger.js/buggy/extension/content/firebug/debugger.js