<form method="POST" action="https://secure.quantumgateway.com/cgi/xml.php">
<input name="xml" type="hidden" value="<QGWRequest>
<Details>
<gwLogin>your gwid</gwLogin>
<RestrictKey>the RestrictKey</RestrictKey>
<ResponseType>Response</ResponseType>
<post_back_url>your url</post_back_url>
</Details>
<TransactionRequest>
<trans_method>CC</trans_method>
<ccnum>5454545454545454</ccnum>
<ccmo>12</ccmo>
<ccyr>2010</ccyr>
<amount>10.00</amount>
<BADDR1>1212 15th St NW</BADDR1>
<BZIP1>99999</BZIP1>
</TransactionRequest>
</QGWRequest> ">
<input name="submit" type=submit value="Checkout">
</form>