Login e senha

[urubu]

Oi pessoal, sou muito noob em base de dados. Já passei 2 dias tentando novas formulas e não consigo instalar um sistema de login e senha. Espero qie alguém me ajude.

[urubu]

galera da esse erro aqui:

Warning: mysql_connect() [function.mysql-connect]: Unknown MySQL server host 'mysql.novaloteca.com' (1) in /home/novalote/public_html/admin/admin/configuracao/conexao.php on line 14

Warning: mysql_select_db() [function.mysql-select-db]: Access denied for user 'nobody'@'localhost' (using password: NO) in /home/novalote/public_html/admin/admin/configuracao/conexao.php on line 15

Warning: mysql_select_db() [function.mysql-select-db]: A link to the server could not be established in /home/novalote/public_html/admin/admin/configuracao/conexao.php on line 15

Warning: mysql_query() [function.mysql-query]: Access denied for user 'nobody'@'localhost' (using password: NO) in /home/novalote/public_html/admin/admin/logar.php on line 7

Warning: mysql_query() [function.mysql-query]: A link to the server could not be established in /home/novalote/public_html/admin/admin/logar.php on line 7

Warning: mysql_num_rows(): supplied argument is not a valid MySQL result resource in /home/novalote/public_html/admin/admin/logar.php on line 8