function arvuta(id, hind, kogus)
{
	var oldvalue = parseInt(document.getElementById('a'+id).innerHTML);
	var newvalue = hind*kogus;
	document.getElementById('a'+id).innerHTML = newvalue + ' kr';
	kokku(oldvalue, newvalue);
	
	arvuta1(oldvalue);
}

function arvuta1(ol)
{
	var oldvalue = parseInt(document.getElementById('b1').innerHTML);
	oldvalue += parseInt(document.getElementById('b2').innerHTML);

	if(parseInt(document.getElementById('a9').innerHTML))
	{
		sum = 0;
		for(i = 1; i < 11; i++) sum += parseInt(document.getElementById('a'+i).innerHTML);
		var newvalue = Math.ceil(sum*0.05);
		var newvalue2 = Math.ceil(sum*0.1);

		document.getElementById('b1').innerHTML = newvalue + ' kr';
		document.getElementById('b2').innerHTML = newvalue2 + ' kr';
		kokku(oldvalue, newvalue+newvalue2);
	}
	else
	{
		document.getElementById('b1').innerHTML = '0 kr';
		document.getElementById('b2').innerHTML = '0 kr';
		kokku(oldvalue, 0);
	}

}

function kokku(oldvalue, newvalue)
{
	current = parseInt(document.getElementById('kokku').innerHTML);
	current -= oldvalue;
	current += newvalue;
	document.getElementById('kokku').innerHTML = current;
}