help me with button code

[bibione]

i'm a member of google checkout , i sign up with button code then they gave me a code

 

<form action="https://checkout.google.com/cws/v2/Merchant/mygooglemerchant/checkout" id="BB_BuyButtonForm" method="post" name="BB_BuyButtonForm">

<input name="cart" type="hidden" value="PD94bWwgdmVyc2lvbj0iMS4wIiBlbmNvZGluZz0iVVRGLTgiPz4NCjxjaGVja291dC1zaG9wcGl

uZy1jYXJ0IHhtbG5zPSJodHRwOi8vY2hlY2tvdXQuZ29vZ2xlLmNvbS9zY2hlbWEvMiI+DQogIDxzaG9w

cGluZy1jYXJ0Pg0KICAgIDxpdGVtcz4NCiAgICAgIDxpdGVtPg0KICAgICAgICA8cXVhbnRpdHk+MTwvc

XVhbnRpdHk+DQogICAgICAgIDx1bml0LXByaWNlIGN1cnJlbmN5PSJVU0QiPjQ0LjA8L3VuaXQtcHJpY2

U+DQogICAgICAgIDxpdGVtLW5hbWU+V2ViQ2FtLUxpdmU8L2l0ZW0tbmFtZT4NCiAgICAgICAgPGl0ZW0

tZGVzY3JpcHRpb24+SW4gcGhhcmV0cmEgaXBzdW0gY29uZGltZW50dW0gZWxpdC4gU3VzcGVuZGlzc2Ug

bWF0dGlzIHR1cnBpcyBlZ2V0IG9kaW8uIENsYXNzIGFwdGVudCB0YWNpdGk8L2l0ZW0tZGVzY3JpcHRpb

24+DQogICAgICA8L2l0ZW0+DQogICAgPC9pdGVtcz4NCiAgPC9zaG9wcGluZy1jYXJ0Pg0KICA8Y2hlY2

tvdXQtZmxvdy1zdXBwb3J0Pg0KICAgIDxtZXJjaGFudC1jaGVja291dC1mbG93LXN1cHBvcnQgLz4NCiA

gPC9jaGVja291dC1mbG93LXN1cHBvcnQ+DQo8L2NoZWNrb3V0LXNob3BwaW5nLWNhcnQ+DQoNCg=="/>

<input name="signature" type="hidden" value="zBiOhRlQOaQlRoSU7wMWil209hg="/>

<input alt="" src="https://checkout.google.com/buttons/buy.gif?merchant_id=mygooglemerchant&w=117&h=48&style=white&variant=text&loc=en_US" type="image"/>

</form>

 

and they told me

 

Now add the button code to your website.

Click anywhere in the box to highlight the entire HTML code snippet. Copy and then paste the code on your website in an appropriate location for your product(s).

 

i don't know how do i replace Add to Cart button with this google checkout button .

 

somebody helps me please