Invoices

Taken From http://forum.opencart.com/index.php/topic,387.0.html

Question One

How would I get the invoices to be sent to admin and client in version 0.7.7 running php5

This code below mas taken from the page (post 9) above but is made for php4

Question Two

How can I reset the invoice numbers so that they go 1,2,3 ect