i cant even get to the cart display page.
you posted a link to this page:
http://www.oldtheatreposters.co.uk/c.php
if i click the first add to cart button on that page, it gives the errors
Warning: Missing argument 10 for addtocart() in /srv/disk4/89822/www/oldtheatreposters.co.uk/WA_eCart/OldTheatrePosters_PHP.php on line 28
Warning: Missing argument 11 for addtocart() in /srv/disk4/89822/www/oldtheatreposters.co.uk/WA_eCart/OldTheatrePosters_PHP.php on line 28
Warning: Missing argument 12 for addtocart() in /srv/disk4/89822/www/oldtheatreposters.co.uk/WA_eCart/OldTheatrePosters_PHP.php on line 28
Warning: Missing argument 13 for addtocart() in /srv/disk4/89822/www/oldtheatreposters.co.uk/WA_eCart/OldTheatrePosters_PHP.php on line 28
Warning: Missing argument 14 for addtocart() in /srv/disk4/89822/www/oldtheatreposters.co.uk/WA_eCart/OldTheatrePosters_PHP.php on line 28
Warning: Cannot modify header information - headers already sent by (output started at /srv/disk4/89822/www/oldtheatreposters.co.uk/WA_eCart/OldTheatrePosters_PHP.php:28) in /srv/disk4/89822/www/oldtheatreposters.co.uk/c.php on line 856
this happens if the add to cart buttons where created for a cart that was defined with different rows like I said previously.