Can't connect to localhost as rfimex_lsf1117

MySQL Error: Access denied for user 'rfimex_lsf1117'@'localhost' (using password: YES)
Warning: mysql_select_db() [function.mysql-select-db]: Access denied for user 'rfimex'@'localhost' (using password: NO) in /home/rfimex/public_html/html/member/lib/lib_db_mysql.php3 on line 57

Warning: mysql_select_db() [function.mysql-select-db]: A link to the server could not be established in /home/rfimex/public_html/html/member/lib/lib_db_mysql.php3 on line 57

Can't select database rfimex_jewelermart

MySQL Error: Access denied for user 'rfimex'@'localhost' (using password: NO)