<script>
	var x = new Date();
	var day = x.getDay();
	var end_day;
	var y = 0;
function start()
{
	var end_day = day + 7;
	if(end_day > 7)
		{
		var end_day = end_day - 7;
		}
	if(end_day == 0){ var end = "Monday"; }
	if(end_day == 1){ var end = "Teusday"; }
	if(end_day == 2){ var end = "Wednesday"; }
	if(end_day == 3){ var end = "Thursday"; }
	if(end_day == 4){ var end = "Friday"; }
	if(end_day == 5){ var end = "Saturday"; }
	if(end_day == 6){ var end = "Sunday"; }
	count();
	document.getElementById('end').innerHTML = end;
}

function count()
{
	if(end_day == day)
		{
		document.getElementById('count').innerHTML = "After 7 day, the count got to " + y;
		}else{
		Object = document.getElementById('count');
		y = y + 10;
		Object.innerHTML = y;
			setTimeout("count()", 1000);
		}
}
</script>
<a onClick="start()">Begin Count</a><br />
<br />
<br />
<div id="count"></div>
<br />
It will end on <div id="end"></div>