add: if (!handlers.hasOwnProperty(i)) continue; 
context: function handleEvent(event) {    var returnValue = true;    // grab the event object (IE uses a global event object)    event = event || fixEvent(window.event);    // get a reference to the hash table of event handlers    var handlers = this.events[event.type];    // execute each event handler    for (var i in handlers) {        this.$$handleEvent = handlers[i];        if (this.$$handleEvent(event) === false) {            returnValue = false;        }    }    return returnValue;};
meta: 2254	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2254/86045fe98676ce35b8c0bf852eaff3439f99be75/events.js/clean/lib/scripts/events.js