Paypal button does not open in new tab when target set to _blank

When the Paypal button is clicked, I want it to open the Paypal checkout in a new tab. The code I have for the button is as follows:

<input type="submit" class="buy" name="submit" value="BUY NOW" target="_blank" />

The class formats the button through CSS. I added a target of _blank to either open in a new window or tab, depending on the user's settings. However, when I test the page in IE8 and Firefox 3.0, the Paypal checkout loads in the same tab. It only opens in a new tab in Opera.

I remember that target attribute set to _blank use to work well in older versions of the extension.

My page is encoded in XHTML 1.0 Strict.

Can you please tell me what I need to do to get the checkout to open in a new tab/window.

Thanks

you cannot use traget="_blank" on the submit button, you have to use it on the form tag:
<form name="form1" method="post" action="somepage.php" target="_blank"">

Thanks! It works like a charm! ;-)

Oops, Jason, you added an extra quotemark : target="_blank"">

Anyway, this does not work on my form.
<Form Method="Post" Action="https://ssl.hostingplatform.com/homelink.ca/cgi-bin/Rentform.pl" target="_blank">

Instead, I had to add the target to the initial referring link:
<a href="https://ssl.hostingplatform.com/homelink.ca/Rentform.htm" target="_blank">

RESULT : New window in MSIE8, new tab in Firefox3.5