Instant Cart (AJAX Cart) was designed to make Magento shopping quick and easy with Web 2.0 feature which eliminates page reloads when customer adds products to cart or removes them.
3. Enables/disables
the extension
A number of seconds,
during which the pop-
up will be shown
The setting allows displaying a
block of products in the instant
pop-up. You can show Related
Products, Cross-sells or Up-sells