khosb/themes/default/blocks/checkout/ajax.js

var http=getHTTPObject();
var last_checkout_id = '{$checkout.fields.id}';

function changeCheckoutOption(option,type,invoice_id,account_id) {
	var doRedirect=false;
	var noConfirm=false;

	if(type=='invoice' || type=='multi')
		var url ='?_page=invoice:checkoutoption&option='+option+'&_escape=1&invoice_id='+invoice_id;
	else
		var url ='?_page=checkout:checkoutoption&option='+option+'&_escape=1';

	if(account_id)
		url += '&admin=1&account_id='+account_id;

	http.open('GET',url,true);
	http.onreadystatechange = function() {
		if (http.readyState == 4) {
			try {document.getElementById('checkout_options_show').style.display='block';} catch(e) {}
			try {document.getElementById('checkout_confirm_div').innerHTML = http.responseText} catch(e) {}
			try {document.getElementById('checkout_confirm_div').style.display='block';} catch(e) {}
			try {document.getElementById('checkout_options').style.display='none';} catch(e) {}
			try {doRedirect=document.getElementById('doredirect').value} catch(e) {doRedirect=false;}
			try {noConfirm=document.getElementById('noconf').value} catch(e) {noConfirm=false;}

			if(doRedirect=='true') if(noConfirm) {checkoutNow(0);} else {verifyCheckout();}
		}
	}
	http.send(null);
}

function getCheckoutOption() {
	return getElementById("checkout_option").value;
}

function checkoutNow(type) {
	try {document.getElementById('submit_checkout_form').disabled=true;} catch(e) {}
	try {document.getElementById('checkout_form').submit();} catch(e) {alert('Unable to submit checkout form for processing');}
}

function verifyCheckout() {
	if (confirm(confirmCheckoutMsg)) {
		checkoutNow(0);
	} else {
		document.getElementById('checkout_confirm_div').style.display='none';
		document.getElementById('checkout_options_show').style.display='none';
		document.getElementById('checkout_options').style.display='block';
	}
}

function enter_new_card() {
	try {document.getElementById('new_card').value=1;} catch(e) {}
	document.getElementById('onfile').style.display='none';
	document.getElementById('newcard').style.display='block';
}

function editSavedCard(admin) {
	try{var id=document.getElementById('account_billing_id').value;}catch(e){var id=false;}
	if(id) {
		if(admin) {
			var url = '?_page=account_billing:view&id='+id;
		} else {
			var url = '?_page=account_billing:user_view&id='+id;
		}
		document.location=url;
	}
}