} 
}; 
    function isButton(event, code) {      return event.which ? (event.which === code + 1) : (event.button === code);    }
5582	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/5582/d114e76e979a994b44a52ec23fb50499e84dcbfb/event.js/buggy/src/event.js