Create opencart modul or vqmod for website Conversion code

Create opencart modul or vqmod modul for website Conversion code, to include the below code in [login to view URL] when customer place and ordre. It must not be possible to reload the page, there by be able to send the code again. <img src="[login to view URL]" width=1 height=1> order_no must be replaced with the unique order number that the shop generates. sales be replaced with the order total incl. VAT (exclusive. freight / charges and without thousands separator). Lot number is set to x and the number to 1, as this code need only be activated once per. order. It would be cool if the following values (programid, type, ordrenummer, omprsalg) could be change within the admin interface.