paypal problam

Hi ,

i hv confusion for pay-pal installation at my site.... i want to add pay-pal encryption code in my site but the problem is i could not pass any flag of my own to pay pal site ... the form is as below

<form action=" https://www.paypal.com/cgi-bin/webscr" method="post">

<input type="hidden" name="cmd" value="_s-xclick">
<input type="image" src=" https://www.paypal.com/en_US/i/btn/x-click-but24.gif" border="0" name="submit" alt="Make payments with PayPal - it's fast, free and secure!">
<img alt="" border="0" src=" https://www.paypal.com/en_US/i/scr/pixel.gif" width="1" height="1"> 

<input type="hidden" name="encrypted" value="-----BEGIN PKCS7-----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-----END PKCS7----- 

">

</form>

Code (markup):

which i got from the pay-pal site ....

now my confusion is that if i could not pass any of my flag then how could i come to know which user has subscribed at my site ,,.,,

please help me if any body has the solution ...

 

I don't think you can do that with an encrypted button. Check here