Add cart with and without modal

[temerario]

Excuse for my english.

I have an installation with

joomla 2.5.18
VM 2.0.26d

It's all ok but where simple modify of content in joomla o add of image in vm not work.

The add to cart with modal not work. I try to disable the modal and ....nothing.

After i try to change template with the standard template and ... nothing.

I thing not is the template problem but VM.

Can you help me?

best regard