Warning: mysql_connect() [function.mysql-connect]: Headers and client library minor version mismatch. Headers:50537 Library:50638 in /home/startweb/public_html/class/db.php on line 24

Warning: mysql_connect() [function.mysql-connect]: Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2) in /home/startweb/public_html/class/db.php on line 24
Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)