Invoincing in HikaShop - Joomla

Avg Bid (USD)
Project Budget (USD)
$250 - $750

Project Description:
I am using a free version of HIKASHOP e-commerce component with Joomla 1.5. I need someone to code a script to generate customer invoice automatically when the paymet is confirmed. The invoice must be sent only by email Admin user ust have access to the invoice history.
HIKASHOP Already has an invoicing feature but the invoices are not sent to the customer after paying for orders. The joomla site is in spanish so if you don't understand spanish be prepared to use some online translator to achive it. I answer questions only form monday to friday between

Skills required:
Joomla, PHP, Software Architecture
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