Google Chrome automatically blocks pop-ups from showing up automatically. You can choose whether you want to see pop-up notifications:
1) Click the wrench menu.
2) Select "Options".
3) Click the "Under the Hood" tab.
4) If you want to see pop-ups, select the "Notify me when a pop-up is blocked" checkbox.
5) Click Close.
If you allow pop-up notifications, an alert will come up at the bottom right-hand corner of the browser window whenever there are pop-ups for the page you're on. It'll show you the number of pop-ups that have been blocked. Click the alert to expand any of the pop-ups.
To proceed to payment, please disable your pop-up blocker. For instructions, see below: