var flagclock = 0;
var flagstop = 0;
var stoptime = 0;
var splitcounter = 0;
var currenttime;
var splitdate = '';
var clock;
	
function startstop()
{
	var startstop = document.getElementById('startstopbutton');
	var startdate = new Date();
	var starttime = startdate.getTime();
	if(flagclock==0)
	{
		startstop.value = 'Stop';
		flagclock = 1;
		counter(starttime);
	}
	else
	{
		startstop.value = 'Start';
		flagclock = 0;
		flagstop = 1;
		splitdate = '';
	}
}
	
function counter(starttime)
{
	clock = document.getElementById('clock');
	currenttime = new Date();
	var timediff = currenttime.getTime() - starttime;
	if(flagstop == 1)
	{
		timediff = timediff + stoptime
	}
	if(flagclock == 1)
	{
		clock.value = formattime(timediff,'');
		refresh = setTimeout('counter(' + starttime + ');',10);
	}
	else
	{
		window.clearTimeout(refresh);
		stoptime = timediff;
	}
}
	
function formattime(rawtime,roundtype)
{
	if(roundtype == 'round')
	{
		var ds = Math.round(rawtime/100) + '';
	}
	else
	{
		var ds = Math.floor(rawtime/100) + '';		
	}
	var sec = Math.floor(rawtime/1000);
	var min = Math.floor(rawtime/60000);
	ds = ds.charAt(ds.length - 1);
	if(min >= 60)
	{
		startstop();
	}
	sec = sec - 60 * min + '';
	if(sec.charAt(sec.length - 2) != '')
	{
		sec = sec.charAt(sec.length - 2) + sec.charAt(sec.length - 1);
	}
	else
	{
		sec = 0 + sec.charAt(sec.length - 1);
	}	
	min = min + '';
	if(min.charAt(min.length - 2) != '')
	{
		min = min.charAt(min.length - 2)+min.charAt(min.length - 1);
	}
	else
	{
		min = 0 + min.charAt(min.length - 1);
	}
	return min + ':' + sec + ':' + ds;
}
	
function resetclock()
{
	flagstop = 0;
	stoptime = 0;
	splitdate = '';
	window.clearTimeout(refresh);
	splitcounter = 0;
	if(flagclock == 1)
	{
		var resetdate = new Date();
		var resettime = resetdate.getTime();
		counter(resettime);
	}
	else
	{
		clock.value = "00:00:0";
	}
}