Confusion in Paypal

[eluser]nandish[/eluser]
Hi guys

<form action="https://www.paypal.com/cgi-bin/webscr" method="post" name="pay_pal">
<input type="hidden" name="cmd" value="_xclick">
<input type="hidden" name="business" value="[email protected]">
<input type="hidden" name="item_name" value="Donation">
<input type="hidden" name="item_number" value="1">
<input type="hidden" name="amount" value="9.00">
<input type="hidden" name="no_shipping" value="0">
<input type="hidden" name="no_note" value="1">
<input type="hidden" name="currency_code" value="USD">
<input type="hidden" name="lc" value="AU">
<input type="hidden" name="bn" value="PP-BuyNowBF">
<input type="hidden" name="return" value="http://vipadvantage.com">
<input type="image" src="http://www.paypal.com/en_US/i/btn/x-click-but01.gif" name="submit" alt="Make payments with PayPal - it's fast, free and secure!">
</form>


1)Submit the paypal form

2)it goes to paypal site

3)customer complete his process

4)redirect to mywebsite


can any one please explain complete flow of paypal integration(steps)

Thanks in advance