function euro_calc()
{
	var new_skk;
	var calc_skk = document.getElementById('calc_skk');
	var calc_eur = document.getElementById('calc_eur');
	var old_skk = calc_skk.value.replace(',','.');
	
	if (old_skk.indexOf('.') != -1)
	{
		var decimal = old_skk.split('.');
		
		if (decimal[1].length > 2)
		{
			decimal[1] = decimal[1].slice(0,2);
			new_skk = parseFloat(decimal[0] + '.' + decimal[1]);
			
			calc_skk.value = new_skk;
		}
		else
		{
			new_skk = old_skk;	
		}
	}
	else
	{
		new_skk = old_skk;
	}
	
	var euro_price = roundNumber(new_skk / 30.126, 2);
	
	calc_eur.value = euro_price;
}

function euro_calc_rev()
{
	var new_eur;
	var calc_skk = document.getElementById('calc_skk');
	var calc_eur = document.getElementById('calc_eur');
	var old_eur = calc_eur.value.replace(',','.');
	
	if (old_eur.indexOf('.') != -1 )
	{
		var decimal = old_eur.split('.');
		
		if ( decimal[1].length > 2)
		{
			decimal[1] = decimal[1].slice(0, 2);
			new_eur = parseFloat(decimal[0] + '.' + decimal[1]);
			
			calc_eur.value = new_eur;
		}
		else
		{
			new_eur = old_eur;
		}
	}
	else
	{
		new_eur = old_eur;
	}
	
	var skk_price = roundNumber(new_eur * 30.126, 2);
	
	calc_skk.value = skk_price;
}

function roundNumber(num, dec)
{
	var result = Math.round(num * Math.pow(10, dec)) / Math.pow(10, dec);
	return result;
}