How can I use my Wal-mart employee discount on Sam's club online purchase?

Hi everyone, I working on Wal-mart, but I am gonna buy a Desktop from Sam's club http://www.samsclub.com/shopping/navigate.do?dest=5&item=425213&pCatg=5816 This computer only available online, so is it any way i can use my employee discount on Sam's club online?
Thank you so much for yall time