Iam running Zen Cart 1.3.8a, with stock by attributes does anybody know if i can do the stock level for each quantity with easy populate v1.2.5.4

So i can input each quanity for each size such as 3 pairs left of size 3, 3 pairs of size 4 ETC please look at my website so u have a rough idea what iam talking about http://shulab.co.uk/index.php?main_p...&products_id=3

If anybody can help it will be grately apprecialed.