<form action="https://bitpay.com/checkout" method="post" >
<input type="hidden" name="action" value="checkout" />
<input type="hidden" name="posData" value="" />
<input type="hidden" name="data" value="GFVZ2fCwtMY7ZLo7321K6AMXVxrd74ZbkVETV2b1vpfg3tZ+i61ZRy3rsUvBB188fOZhMpYlkJkxZPxLvXOipnbp7s2gICz2lnA//cap9Bs=" />
<input type="image" src="https://bitpay.com/img/button-large.png" border="0" name="submit" alt="BitPay, the easy way to pay with bitcoins." >
</form>