function shipping( shippingCharge, amtLessShipping )
{	
	var als = parseFloat(amtLessShipping);
	var ship = parseFloat(shippingCharge);
	
	var calc = als + ship;
	
	//if ( calc.substr( -1, 1 ) != '0' ) calc += '0';

	//if ( calc.substr( calc.length - 1, 1 ) != '0' ) calc = parseFloat(calc) + '0';

	document.getElementById('amount').value = calc;
	
	if ( shippingCharge == 0 )
	{
		document.getElementById('totalCost').innerHTML = calc + ' <i><font color=red>please select shipping method</font></i> ';
		document.BuyForm.Submit.disabled = true;
	}
	else
	{
		document.getElementById('totalCost').innerHTML = als + ' + ' + '£' + ship + ' shipping = £' + calc;
		document.BuyForm.Submit.disabled = false;
	}
}