irangame

Hi there, I'm a amateur PHP programmer :D I'm programming a site with PHP/Mysql. I am use Cookies for checking authenticate users (login to my site). I installed WAMP Server in my computer. I test this site in my computer and it worked properly.but when i upload my site to internet(my host) it doesn't work correctly!!! My site : http://www.iau-ebox.com/test             http://www.iau-ebox.com/test/ebox.php  --> Authentication required         User Name : irangame@gmail.com         Password : xbox You can download source code from : http://www.iau-ebox.com/PHP.rar ;) Thanks, --Mojtaba--