Impossible to change the add to cart label in products grid view

[cedricassamoua]

Hi everybody,
Sorry for my bad english but i have a problem with translation in virtuemart 2.3.6. I use language override in language manager but nothing in the grid view in my home page, the label buton still 'add to cart' instead of 'Ajouter au panier'
When i click on product detail, everything is correctly translated in french except the home grid view products.
i use the sj papa template of smartaddons. The link is http://demo.smartaddons.com/templates/joomla25/sj-papa/
Thanks for your help.