Checkout Button has been disappeared in my new products!

[Hamid777]

Hello

There is a strange problem. I am adding new products and Checkout Button has been disappeared in this new products details page, but in older products details i have buttons without problem.
every thing is ok and i didn't change anything.
anybody know why?

Thanks

[jenkinhill]

http://forum.virtuemart.net/index.php?topic=128401.0

[Hamid777]

virtuemart 2 / Joomla! 2.5.14 / php 5.3.3

[Hamid777]

 i corrected addtocart.php and problem solved.

[jenkinhill]

Had you been hacking files or had your old site been hacked by someone else?  See http://forum.virtuemart.net/index.php?topic=118683.0