WP-ecommerce variations pagination issue

I am using wp-ecommerce on my website… and have variations displayed like product page… which is a custom taxanomy… i am having an issue with pagination on product variations page… the pagination on the wpsc_product_page is working fine but when i go on variations page and click on pagination number 2 it redirects to the product details page having permalink “2”… how can i set the perfect link for the paginations to go on next pages… any help??? ASAP