First line of the HTML code it said target="_top". I changed the word "top" with MargieH's suggestion "blank". So the result is now target="_blank" and it works now. (see my HTML code from Paypal below). Hope this works for you too. <form action="https://www.paypal.com/cgi-bin/webscr" method="post" target="_blank"> <input type="hidden" name="cmd" value="_s-xclick"> <input type="hidden" name="hosted_button_id" value="KK8A79PG8VLAS"> <table> <tr><td><input type="hidden" name="on0" value="Course Fees (Select One)">Course Fees (Select One)</td></tr><tr><td><select name="os0"> <option value="One Person">One Person $150.00 USD</option> <option value="Two People">Two People $250.00 USD</option> <option value="Repeat One Person">Repeat One Person $80.00 USD</option> <option value="Repeat Two People">Repeat Two People $130.00 USD</option> <option value="One Person, Tuition Assistance">One Person, Tuition Assistance $75.00 USD</option> <option value="Two Person, Tuition Assistance">Two Person, Tuition Assistance $120.00 USD</option> <option value="One Person Additional">One Person Additional $100.00 USD</option> </select> </td></tr> </table> <input type="hidden" name="currency_code" value="USD"> <input type="image" src="https://www.paypalobjects.com/en_US/i/btn/btn_paynowCC_LG.gif" border="0" name="submit" alt="PayPal - The safer, easier way to pay online!"> <img alt="" border="0" src="https://www.paypalobjects.com/en_US/i/scr/pixel.gif" width="1" height="1"> </form>
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