If you're blocking cookies the session only lasts for a few minutes for security reasons after which you'll be logged off. This cookie basically authenticates you to the server.There is no other way to accomplish this you have to use the cookie of that domain.The information in this cookie is not used in any other way, it's accessible only by this domain and is not shared with anyone.
So if you're getting logged off continuously make sure you're browser or security software is not blocking the cookie from this site.
For your problem I suggest you delete your cookies and temporary files and then go to
www.teamxray.com and now start once again and try I think it may work.