Wordpress Checkout Page with Simple Button

Hi, I have a checkout page with three button 1: Paypal 2:moneybookers 3:credit card Now i want the payment process to be complete in simple steps means when paypal button pressed it will redirect to paypal site along with the payment info and similar with moneybookers and credit card. When customer pays i should receive an email regarding the person invoice and paymnt confirmation and when payment is made the customer should also receive an email that his product will be unlocked soon and we will mail him/her when its ready...... the page on which the thing will be done is [login to view URL] I need it to be done soon as there a iframe and simple checkout Api's involved i want an expert person on this only not beginers so dont just bid if u dont have idea or u will end up getting bad feedback.... Low budget sorry.