Need help uploading php script

I bought a auto-surfing script for my website and uploaded the files to the server. The website isnt working (url = http://earninglagoon.info )
Can anyone help me fix it please? (I am a noob at php/mysql)

 

seems like a configuration problem with Mysql..

have u chnged all the things in the config.php file? change the mysql database name, user, password etc..

 

man u have entered database information wrongly.To correct all errors edit config.php file

 

<?php
//===========Your Sites Main Settings===========//

//Purchase confirmation and site contact email address (this is never shown to members!):
$private_sys_email = 'admin@earninglagoon.info';

//Database host (localhost is your own domain):
$db_host = 'localhost';

//Database username:
$db_user = 'dbuername';

//Database password:
$db_pwd = 'dbpass';

//Database name:
$db_name = 'dbname';
//Main header root loaction:
$m_header = $_SERVER['DOCUMENT_ROOT'] . '/header.php';

//Main footer root loaction:
$m_footer = $_SERVER['DOCUMENT_ROOT'] . '/footer.php';

//Members header root loaction:
$mem_header = $_SERVER['DOCUMENT_ROOT'] . '/header.php';

//Members footer root loaction:
$mem_footer = $_SERVER['DOCUMENT_ROOT'] . '/footer.php';

//Site URL:
$self_url = 'http://earninglagoon.info';

//Site name for security checks:
$self_name = 'http://earninglagoon.info/';

//Default site to show when no valid user sites:
$default_site = 'http://earninglagoon.info/myadds.html';

//Site Title:
$title = 'Earning Lagoon';

//Name the Upgrade Credits (Do not include the " s " - Program will do this for you - i.e. Upgrade Credit or Upgrade Unit etc...):
$upgrade_title = 'Upgrade Unit';

//Site URL to Index.php - Leave out http:// and do not add a / at the end of the url:
$siteurl = 'www.earninglagoon.info/index.php';

 

I edited some of the stuff but I dont know how to do the database. I am using direct admin to control panal. Can you guys give me instructions on how to do this please, i have no idea.