Affiliate Link Cloaking Script Required

i need someone who can code javascript, ajax or any script available which can Cloak my affiliate links? I need to cloak/hide my affiliate link in address bar. For example: This is affiliate link for Optin Monster without cloaking it: [login to view URL]… This is affiliate link for Optin Monster after cloaking it: [login to view URL] Both links go to the same place, and both links will track affiliate cookies correctly. Website is made with Bigcommerce. Let me know if someone have any solution