This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
It is not possible to connect to another domain using Ajax with all browsers because of the smae domain secuirty policy. Hence why you are probably getting "Access Denied" errors. The easiest solution is making a proxy on your server.