I am facing a back button problem. The button doesn't work and don't response. After click there is no activity.

Dear Maulana,
Thank you so much.....
Its working.....god bless you. my friend

After host the Application to the wamp server. When i first open the website i found step 1. everything was fine but when i go to step 2. Then what will be the database name and password. Please let me know. I am new to php mysql.
Waiting for your reply.
Thanks and regards,
Pervez ahmed