[solved] pop up image on listing product view

I would have the same behaviour for the images like when I'm in the product view and make a click on the little image.
I'm using the product listing menu setup with DIV and with "type of item layout"=image and description
I mean to see the original image size when I click on the thumbnail in product listing view instead of the current thumbnail.
Could be possible ? In which way ? thanks and sorry for these very basic questions.

You can edit the view "product / listing_img_desc" and change :

echo $this->image->display(@$this->row->file_path,false,$this->escape($this->row->file_name), '' , '' , $this->image->main_thumbnail_x,  $this->image->main_thumbnail_y);

echo $this->image->display(@$this->row->file_path,true,$this->escape($this->row->file_name), '' , '' , $this->image->main_thumbnail_x,  $this->image->main_thumbnail_y);

it works like I expect , very good.
Many thanks