Paypal "continue shopping" button

Hi,

I built a site that contains xml dynamic gallery with buttons for each image to purchase with paypal.

Everything is great, However I would like to add a “continue shopping” button upon the paypal page that opens up… - that button should take the paypal page backwards and bring the site forward.

When I asked for Paypal support how to do that they reply:
[FONT=Times New Roman][SIZE=3]

[FONT=Times New Roman][SIZE=3]Thank you for contacting PayPal Merchant Technical Support.

Are you using PayPal’s Shopping Cart?

If so then make sure to add target=“paypal” to the beginning <form> tag of all of your ‘Add to Cart’ buttons.

For example:

<form target=" paypal" action=“[U][COLOR=#800080] https://www.paypal.com/cgi-bin/webscr [/COLOR][/U]” method=“post”>

The way it is designed when the customer clicks on the ‘Continue Shopping’ button it will not close shopping cart page but just puts it in the back ground.
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Well, I think I’m using paypal card (???)

And I am sending the parameter target=“paypal” like this:
myData.send(“https://www.paypal.com/cgi-bin/webscr”, myData, “POST”);
or this
myData.send(“https://www.paypal.com/cgi-bin/webscr”, “paypal”, “POST”);

And it doesn’t work (I mean the button won’t show up)…

Can anyone assist please??

Thanks in advance,

Eyal.[/SIZE][/FONT]