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Google Checkout disabled – Not available with these items

Posted by Ashley on Feb 28, 2009 • (9)

I was recently asked for help on a Google Checkout problem where the Google Checkout Button on the Magento cart page was disabled with a message saying: “Not available with these items“.

I had a look at the Magento store in question and found a few clues to go on but a
Google search on the subject proved to be of little help unfortunately. The button looks like the one shown in the screenshot below:

The disabled Google Checkout button on the Magento cart/checkout screen. It looks like the normal one only greyed out.

The underlying URL for the button is:

 <img src="https://checkout.google.com/buttons/checkout.gif?merchant_id=5677186919&amp;w=180&amp;h=46&amp;style=white&amp;variant=disabled&amp;loc=en_US" alt="Fast checkout through Google" />

The big clue was the parameter on the Google Checkout button image URL on the problem store. It had variant=disabled which is generated server side, and so had to be coming from somewhere within Magento. A big fat grep over the code uncovered a variant=' string fragment in Link.php.