BELOW IS THE CODE THAT I USED IN MY PROJECT
File: success.phtml
path: app/design/frontend/default/mytheme/template/checkout
<?php
$order1 = Mage::getModel('sales/order')->load(Mage::getSingleton('checkout/session')->getLastOrderId());
$subtotal = $order1->getSubtotal();
$order_id = $order1->getId(); //the id of the order
//$order->getIncrementId();//the increment id of the order
$gtotal = $order1->getGrandTotal();//grand total of the order
//echo "<pre />";
//print_r($order->getBillingAddress()->getData());
$address = $order1->getBillingAddress()->getData();
$city = $address['city'];
$state = $address['region'];
$country = $address['country_id'];
?>
<script type="text/javascript">
var _gaq = _gaq || [];
_gaq.push(['_setAccount', 'UA-17916440-1']);
_gaq.push(['_trackPageview']);
_gaq.push(['_addTrans',
'<?php echo $order_id; ?>', // order ID - required
'steigerhoutstunter.nl', // affiliation or store name
'<?php echo $gtotal;?>', // total - required
'0', // tax
'0', // shipping
'<?php echo $city;?>', // city
'<?php echo $state;?>', // state or province
'<?php echo $country;?>' // country
]);
<?php
$order_items = $order1->getAllItems();
$itemcount=count($order_items);
$name=array();
$unitPrice=array();
$sku=array();
$ids=array();
$qty=array();
foreach ($order_items as $key => $item)
{?>
_gaq.push(['_addItem',
'<?php echo $order_id; ?>', // order ID - required
'<?php echo $item->getSku(); ?>', // SKU/code - required
'<?php echo $item->getName(); ?>', // product name
'category name', // category or variation
'<?php echo $item->getPrice(); ?>', // unit price - required
'<?php echo $item->getQtyToInvoice(); ?>' // quantity - required
]);
<?php
}
?>
_gaq.push(['_trackTrans']); //submits transaction to the Analytics servers
(function() {
var ga = document.createElement('script'); ga.type = 'text/javascript'; ga.async = true;
ga.src = ('https:' == document.location.protocol ? 'https://ssl' : 'http://www') + '.google-analytics.com/ga.js';
var s = document.getElementsByTagName('script')[0]; s.parentNode.insertBefore(ga, s);
})();
</script>