Ok its been along time since ive been here

so ive forgot what goes where sorry about that... ive just uploaded 370... i keep getting this error
mysql_connect() [<a href='function.mysql-connect'>function.mysql-connect</a>]: Access denied for user 'Dirty'@'localhost' (using password: YES)
/home/dirty/public_html/forums/includes/class_core.php on line 311
what am i doing wrong? can someone please help me out here sorry for being a pain