var Stopwatch;if(!Stopwatch){Stopwatch={}}function Stopwatch(displayTime){this.runtime=0;this.timer=null;this.displayTime=displayTime}Stopwatch.INCREMENT=200;Stopwatch.prototype.doDisplay=function(){if(!this.laptime){this.displayTime(this.runtime)}else{this.displayTime(this.laptime)}};Stopwatch.prototype.startStop=function(){if(!this.timer){var instance=this;this.runtime=0;this.timer=window.setInterval(function(){instance.runtime+=Stopwatch.INCREMENT;instance.doDisplay()},Stopwatch.INCREMENT)}else{window.clearInterval(this.timer);this.timer=null;this.doDisplay()}};Stopwatch.prototype.startStopSAVE=function(){if(!this.timer){var instance=this;this.timer=window.setInterval(function(){instance.runtime+=Stopwatch.INCREMENT;instance.doDisplay()},Stopwatch.INCREMENT)}else{window.clearInterval(this.timer);this.timer=null;this.doDisplay()}};Stopwatch.prototype.resetLap=function(){if(!this.laptime){if(this.timer){this.laptime=this.runtime}else{this.runtime=0}}else{delete this.laptime}this.doDisplay()};