Trap

AJAX request is exactly an HTTP request (XMLHTTPRequest). Cookies get sent back and forth in the AJAX request-response headers in order to maintain the state of user session across multiple HTTP requests. HTTP is an inherently stateless protocol and hence cookies are used to maintain the state of user's session across multiple HTTP requests. Instead of removing cookies host all your static components(like images) in a Cookie-free Domain. The following url might might give you some info in this,