function initDeliverySelect()
{
	if ($('deliverySelect')) {	
		updateDeliveryElements();
		
		if ($('deliverySelect').addEventListener) {
			$('deliverySelect').addEventListener("click", updateDeliveryElements, false);
		} else {
			$('deliverySelect').onclick = updateDeliveryElements;
		}
	}
}

function updateDeliveryElements()
{	
	var deliverySelect = $('deliverySelect').checked;

	$('deladdress').disabled = $('delcity').disabled = $('delcounty').disabled = $('delpostcode').disabled = (!deliverySelect ? 'disabled' : '');
	$('deladdress').className = $('delcity').className = $('delcounty').className = $('delpostcode').className = (!deliverySelect ? 'disabled' : '');
	
	var elements = $('deliveryAddress').getElementsByTagName('div');
	
	for (var i = 0; i < elements.length; i++) {
		elements[i].style.display = (deliverySelect ? 'block' : 'none');
	}

 	if (!deliverySelect) {
		$('deladdress').value = '';
		$('delcity').value = '';
		$('delcounty').value = '';
		$('delpostcode').value = '';
	}
}

addLoadEvent(initDeliverySelect);