title: Paypal notify_url not working
body: <p>I'm implementing paypal gateway in cakephp.I'm using following simple form. in Currently, it will accept the payment, and the payment gets processed ok,it just shows the standard PayPal 'Thank You' screen - there's no button to go back to my site, and it doesn't do it automatically.What I'd like to happen is for it to accept the payment, and then return to my site to say 'thank you' there;thanks</p>
  
  <pre><code>        &lt;form action="https://www.sandbox.paypal.com/cgi-bin/webscr" method="post"&gt;
                  &lt;input type="hidden" name="notify_url" value="http://www.xxx.com/presult" /&gt;
                  &lt;input type="hidden" value="me@me.com" name="business"&gt;
                  &lt;input type="hidden" value="USD" name="currency_code"&gt;
                  &lt;input type="hidden" value="US" name="lc"&gt;
                  &lt;input type="hidden" value="test item" name="item_name"&gt;
                  &lt;input type="hidden" value="20.00" name="amount"&gt;
                  &lt;input type="hidden" value="1" name="test"&gt;
                  &lt;input type="hidden" value="http://xxx.com/posts/presult" name="return"&gt;
                  &lt;input type="hidden" value="paynow" name="type"&gt;
                  &lt;input type="hidden" value="_xclick" name="cmd"&gt;
                  &lt;input type="submit" value="Send" name="send"&gt;
              &lt;/form&gt;
  </code></pre>