add to chart problem

when i add to chart the message appears not, not for the products in home page and not by articles

you can see it by the pictures

ScreenHunter_02 Jun. 27 11.25.jpg

also from homepage is not possible to add to chart..

the website is the following www.linguaggiodellestoffe.it

Hi

I've seen this problem already. It's something at virtuemart since same problem appear with default joomla template. You can report it to VM support. I know that switching to fancybox in VM configuration can fix it.