rem: if(returnValue) return returnValue; else return true; 
add: if(returnValue != undefined) return returnValue; else return true; 
context: 	event: function(eventName) {		if(this.options[eventName]) {			var returnValue = this.options[eventName](); // Executing callback			this.options[eventName] = null; // Removing callback after execution			if(returnValue) return returnValue;			else return true;		}		return true;	}
meta: 2672	/local1/tlutelli/issta_data/temp/all_js/javascript/2007_temp/2007/2672/42454c7b7f5a71091006a99bf178e4931141d108/modalbox.js/buggy/modalbox.js