¿WHO OPEN CART IN POPUP FROM CUSTOM LINK?

[WEBYA]

Hello friends!
I like open cart in popup like image "example 1" from the link of the image "Example 2".

/ components / com_virtuemart / controllers / cart.php

$ this-> json-> msg. = '<a class="showcart floatright" href="'. JRoute::_("index.php?option=com_virtuemart&view=cart").'">'. JText :: _ ('COM_VIRTUEMART_CART_SHOW_MODAL'). '</ a>';

but I can't do this. :S
any ideas?

IMAGE EXAMPLE 1


IMAGE EXAMPLE 2