// Library for timing things in JavaScript

function Timer() {
	// member properties
	this.startTime = new Date();
	this.endTime = new Date();
	
	// member methods
	
	// reset the start time to now
	this.start = function () { this.startTime = new Date(); }
	
	// reset the end time to now
	this.stop = function () { this.endTime = new Date(); }
	
	// get the difference in milliseconds between start and stop
	this.getTime = function () { return (this.endTime.getTime() - this.startTime.getTime()) / 1000; }
	
	// get the current elapsed time from start to now, this sets the endTime
	this.getElapsed = function () { this.endTime = new Date(); return this.getTime(); }
}