function prefill_billing(stateselect) {

	theForm = document.checkoutform;
	
	if (document.getElementById('also_bill_to').checked) {

		theForm.billing_first_name.value = theForm.first_name.value;
		theForm.billing_last_name.value = theForm.last_name.value;
		theForm.billing_company_name.value = theForm.company_name.value;
		theForm.billing_address_1.value = theForm.address_1.value;
		theForm.billing_address_2.value = theForm.address_2.value;
		theForm.billing_city.value = theForm.city.value;

		if (stateselect == 1) {
			theForm.billing_state_id.selectedIndex = theForm.user_state_id.selectedIndex;
		} else {
			theForm.billing_state_province.value = theForm.state_province.value;
		}

		theForm.billing_postal_code.value = theForm.postal_code.value;
		theForm.billing_country_id.selectedIndex = theForm.user_country_id.selectedIndex;
		theForm.billing_phone.value = theForm.phone.value;
		theForm.billing_alt_phone.value = theForm.alt_phone.value;
		theForm.billing_fax.value = theForm.fax.value;

	} else {

		theForm.billing_first_name.value = '';

		theForm.billing_first_name.value = '';
		theForm.billing_last_name.value = '';
		theForm.billing_company_name.value = '';
		theForm.billing_address_1.value = '';
		theForm.billing_address_2.value = '';
		theForm.billing_city.value = '';

		if (stateselect == 1) {
			theForm.billing_state_id.selectedIndex = 0;
		} else {
			theForm.billing_state_province.value = '';
		}

		theForm.billing_postal_code.value = '';
		theForm.billing_country_id.selectedIndex = 0;
		theForm.billing_phone.value = '';
		theForm.billing_alt_phone.value = '';
		theForm.billing_fax.value = '';

	}

}

function prefill_shipping(stateselect) {

	theForm = document.checkoutform;
	
	if (document.getElementById('also_ship_to').checked) {

		theForm.shipping_first_name.value = theForm.first_name.value;
		theForm.shipping_last_name.value = theForm.last_name.value;
		theForm.shipping_company_name.value = theForm.company_name.value;
		theForm.shipping_address_1.value = theForm.address_1.value;
		theForm.shipping_address_2.value = theForm.address_2.value;
		theForm.shipping_city.value = theForm.city.value;

		if (stateselect == 1) {
			theForm.shipping_state_id.selectedIndex = theForm.user_state_id.selectedIndex;
		} else {
			theForm.shipping_state_province.value = theForm.state_province.value;
		}

		theForm.shipping_postal_code.value = theForm.postal_code.value;
		theForm.shipping_country_id.selectedIndex = theForm.user_country_id.selectedIndex;
		theForm.shipping_phone.value = theForm.phone.value;
		theForm.shipping_alt_phone.value = theForm.alt_phone.value;
		theForm.shipping_fax.value = theForm.fax.value;

	} else {

		theForm.shipping_first_name.value = '';

		theForm.shipping_first_name.value = '';
		theForm.shipping_last_name.value = '';
		theForm.shipping_company_name.value = '';
		theForm.shipping_address_1.value = '';
		theForm.shipping_address_2.value = '';
		theForm.shipping_city.value = '';

		if (stateselect == 1) {
			theForm.shipping_state_id.selectedIndex = 0;
		} else {
			theForm.shipping_state_province.value = '';
		}

		theForm.shipping_postal_code.value = '';
		theForm.shipping_country_id.selectedIndex = 0;
		theForm.shipping_phone.value = '';
		theForm.shipping_alt_phone.value = '';
		theForm.shipping_fax.value = '';

	}

}

function uncheck_also_bill_to() {
	document.getElementById('also_bill_to').checked = false;
}

function uncheck_also_ship_to() {
	document.getElementById('also_ship_to').checked = false;
}